Merge branch 'next/dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc
* 'next/dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (21 commits)
arm/dt: tegra devicetree support
arm/versatile: Add device tree support
dt/irq: add irq_domain_generate_simple() helper
irq: add irq_domain translation infrastructure
dmaengine: imx-sdma: add device tree probe support
dmaengine: imx-sdma: sdma_get_firmware does not need to copy fw_name
dmaengine: imx-sdma: use platform_device_id to identify sdma version
mmc: sdhci-esdhc-imx: add device tree probe support
mmc: sdhci-pltfm: dt device does not pass parent to sdhci_alloc_host
mmc: sdhci-esdhc-imx: get rid of the uses of cpu_is_mx()
mmc: sdhci-esdhc-imx: do not reference platform data after probe
mmc: sdhci-esdhc-imx: extend card_detect and write_protect support for mx5
net/fec: add device tree probe support
net: ibm_newemac: convert it to use of_get_phy_mode
dt/net: add helper function of_get_phy_mode
net/fec: gasket needs to be enabled for some i.mx
serial/imx: add device tree probe support
serial/imx: get rid of the uses of cpu_is_mx1()
arm/dt: Add dtb make rule
arm/dt: Add skeleton dtsi file
...
diff --git a/Documentation/devicetree/bindings/arm/arm-boards b/Documentation/devicetree/bindings/arm/arm-boards
new file mode 100644
index 0000000..91f2614
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/arm-boards
@@ -0,0 +1,20 @@
+ARM Versatile Application and Platform Baseboards
+-------------------------------------------------
+ARM's development hardware platform with connectors for customizable
+core tiles. The hardware configuration of the Versatile boards is
+highly customizable.
+
+Required properties (in root node):
+ compatible = "arm,versatile-ab"; /* Application baseboard */
+ compatible = "arm,versatile-pb"; /* Platform baseboard */
+
+Interrupt controllers:
+- VIC required properties:
+ compatible = "arm,versatile-vic";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+
+- SIC required properties:
+ compatible = "arm,versatile-sic";
+ interrupt-controller;
+ #interrupt-cells = <1>;
diff --git a/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
new file mode 100644
index 0000000..d1e3f44
--- /dev/null
+++ b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
@@ -0,0 +1,17 @@
+* Freescale Smart Direct Memory Access (SDMA) Controller for i.MX
+
+Required properties:
+- compatible : Should be "fsl,<chip>-sdma"
+- reg : Should contain SDMA registers location and length
+- interrupts : Should contain SDMA interrupt
+- fsl,sdma-ram-script-name : Should contain the full path of SDMA RAM
+ scripts firmware
+
+Examples:
+
+sdma@83fb0000 {
+ compatible = "fsl,imx51-sdma", "fsl,imx35-sdma";
+ reg = <0x83fb0000 0x4000>;
+ interrupts = <6>;
+ fsl,sdma-ram-script-name = "sdma-imx51.bin";
+};
diff --git a/Documentation/devicetree/bindings/i2c/arm-versatile.txt b/Documentation/devicetree/bindings/i2c/arm-versatile.txt
new file mode 100644
index 0000000..361d31c
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/arm-versatile.txt
@@ -0,0 +1,10 @@
+i2c Controller on ARM Versatile platform:
+
+Required properties:
+- compatible : Must be "arm,versatile-i2c";
+- reg
+- #address-cells = <1>;
+- #size-cells = <0>;
+
+Optional properties:
+- Child nodes conforming to i2c bus binding
diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt
new file mode 100644
index 0000000..ab22fe6
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt
@@ -0,0 +1,34 @@
+* Freescale Enhanced Secure Digital Host Controller (eSDHC) for i.MX
+
+The Enhanced Secure Digital Host Controller on Freescale i.MX family
+provides an interface for MMC, SD, and SDIO types of memory cards.
+
+Required properties:
+- compatible : Should be "fsl,<chip>-esdhc"
+- reg : Should contain eSDHC registers location and length
+- interrupts : Should contain eSDHC interrupt
+
+Optional properties:
+- fsl,card-wired : Indicate the card is wired to host permanently
+- fsl,cd-internal : Indicate to use controller internal card detection
+- fsl,wp-internal : Indicate to use controller internal write protection
+- cd-gpios : Specify GPIOs for card detection
+- wp-gpios : Specify GPIOs for write protection
+
+Examples:
+
+esdhc@70004000 {
+ compatible = "fsl,imx51-esdhc";
+ reg = <0x70004000 0x4000>;
+ interrupts = <1>;
+ fsl,cd-internal;
+ fsl,wp-internal;
+};
+
+esdhc@70008000 {
+ compatible = "fsl,imx51-esdhc";
+ reg = <0x70008000 0x4000>;
+ interrupts = <2>;
+ cd-gpios = <&gpio0 6 0>; /* GPIO1_6 */
+ wp-gpios = <&gpio0 5 0>; /* GPIO1_5 */
+};
diff --git a/Documentation/devicetree/bindings/mtd/arm-versatile.txt b/Documentation/devicetree/bindings/mtd/arm-versatile.txt
new file mode 100644
index 0000000..476845d
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/arm-versatile.txt
@@ -0,0 +1,8 @@
+Flash device on ARM Versatile board
+
+Required properties:
+- compatible : must be "arm,versatile-flash";
+- bank-width : width in bytes of flash interface.
+
+Optional properties:
+- Subnode partition map from mtd flash binding
diff --git a/Documentation/devicetree/bindings/net/fsl-fec.txt b/Documentation/devicetree/bindings/net/fsl-fec.txt
new file mode 100644
index 0000000..de43951
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/fsl-fec.txt
@@ -0,0 +1,24 @@
+* Freescale Fast Ethernet Controller (FEC)
+
+Required properties:
+- compatible : Should be "fsl,<soc>-fec"
+- reg : Address and length of the register set for the device
+- interrupts : Should contain fec interrupt
+- phy-mode : String, operation mode of the PHY interface.
+ Supported values are: "mii", "gmii", "sgmii", "tbi", "rmii",
+ "rgmii", "rgmii-id", "rgmii-rxid", "rgmii-txid", "rtbi", "smii".
+- phy-reset-gpios : Should specify the gpio for phy reset
+
+Optional properties:
+- local-mac-address : 6 bytes, mac address
+
+Example:
+
+fec@83fec000 {
+ compatible = "fsl,imx51-fec", "fsl,imx27-fec";
+ reg = <0x83fec000 0x4000>;
+ interrupts = <87>;
+ phy-mode = "mii";
+ phy-reset-gpios = <&gpio1 14 0>; /* GPIO2_14 */
+ local-mac-address = [00 04 9F 01 1B B9];
+};
diff --git a/Documentation/devicetree/bindings/net/smsc-lan91c111.txt b/Documentation/devicetree/bindings/net/smsc-lan91c111.txt
new file mode 100644
index 0000000..953049b
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/smsc-lan91c111.txt
@@ -0,0 +1,10 @@
+SMSC LAN91c111 Ethernet mac
+
+Required properties:
+- compatible = "smsc,lan91c111";
+- reg : physical address and size of registers
+- interrupts : interrupt connection
+
+Optional properties:
+- phy-device : phandle to Ethernet phy
+- local-mac-address : Ethernet mac address to use
diff --git a/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt b/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt
new file mode 100644
index 0000000..a9c0406
--- /dev/null
+++ b/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt
@@ -0,0 +1,19 @@
+* Freescale i.MX Universal Asynchronous Receiver/Transmitter (UART)
+
+Required properties:
+- compatible : Should be "fsl,<soc>-uart"
+- reg : Address and length of the register set for the device
+- interrupts : Should contain uart interrupt
+
+Optional properties:
+- fsl,uart-has-rtscts : Indicate the uart has rts and cts
+- fsl,irda-mode : Indicate the uart supports irda mode
+
+Example:
+
+uart@73fbc000 {
+ compatible = "fsl,imx51-uart", "fsl,imx21-uart";
+ reg = <0x73fbc000 0x4000>;
+ interrupts = <31>;
+ fsl,uart-has-rtscts;
+};
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 09ebf0b..2c71a8f 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1716,6 +1716,7 @@
bool "Flattened Device Tree support"
select OF
select OF_EARLY_FLATTREE
+ select IRQ_DOMAIN
help
Include support for flattened device tree machine descriptions.
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 3a4a04b..70c424e 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -282,6 +282,12 @@
zinstall uinstall install: vmlinux
$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
+%.dtb:
+ $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
+
+dtbs:
+ $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
+
# We use MRPROPER_FILES and CLEAN_FILES now
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
@@ -298,6 +304,7 @@
echo ' uImage - U-Boot wrapped zImage'
echo ' bootpImage - Combined zImage and initial RAM disk'
echo ' (supply initrd image via make variable INITRD=<path>)'
+ echo ' dtbs - Build device tree blobs for enabled boards'
echo ' install - Install uncompressed kernel'
echo ' zinstall - Install compressed kernel'
echo ' uinstall - Install U-Boot wrapped compressed kernel'
diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile
index 9128fdd..a1edfd5 100644
--- a/arch/arm/boot/Makefile
+++ b/arch/arm/boot/Makefile
@@ -59,6 +59,12 @@
endif
+# Rule to build device tree blobs
+$(obj)/%.dtb: $(src)/dts/%.dts
+ $(call cmd,dtc)
+
+$(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y))
+
quiet_cmd_uimage = UIMAGE $@
cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \
-C none -a $(LOADADDR) -e $(STARTADDR) \
diff --git a/arch/arm/boot/dts/skeleton.dtsi b/arch/arm/boot/dts/skeleton.dtsi
new file mode 100644
index 0000000..b41d241
--- /dev/null
+++ b/arch/arm/boot/dts/skeleton.dtsi
@@ -0,0 +1,13 @@
+/*
+ * Skeleton device tree; the bare minimum needed to boot; just include and
+ * add a compatible value. The bootloader will typically populate the memory
+ * node.
+ */
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ chosen { };
+ aliases { };
+ memory { device_type = "memory"; reg = <0 0>; };
+};
diff --git a/arch/arm/boot/dts/tegra-harmony.dts b/arch/arm/boot/dts/tegra-harmony.dts
new file mode 100644
index 0000000..4c05334
--- /dev/null
+++ b/arch/arm/boot/dts/tegra-harmony.dts
@@ -0,0 +1,70 @@
+/dts-v1/;
+
+/memreserve/ 0x1c000000 0x04000000;
+/include/ "tegra20.dtsi"
+
+/ {
+ model = "NVIDIA Tegra2 Harmony evaluation board";
+ compatible = "nvidia,harmony", "nvidia,tegra20";
+
+ chosen {
+ bootargs = "vmalloc=192M video=tegrafb console=ttyS0,115200n8 root=/dev/mmcblk0p2 rw rootwait";
+ };
+
+ memory@0 {
+ reg = < 0x00000000 0x40000000 >;
+ };
+
+ i2c@7000c000 {
+ clock-frequency = <400000>;
+
+ codec: wm8903@1a {
+ compatible = "wlf,wm8903";
+ reg = <0x1a>;
+ interrupts = < 347 >;
+
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ /* 0x8000 = Not configured */
+ gpio-cfg = < 0x8000 0x8000 0 0x8000 0x8000 >;
+ };
+ };
+
+ i2c@7000c400 {
+ clock-frequency = <400000>;
+ };
+
+ i2c@7000c500 {
+ clock-frequency = <400000>;
+ };
+
+ i2c@7000d000 {
+ clock-frequency = <400000>;
+ };
+
+ sound {
+ compatible = "nvidia,harmony-sound", "nvidia,tegra-wm8903";
+
+ spkr-en-gpios = <&codec 2 0>;
+ hp-det-gpios = <&gpio 178 0>;
+ int-mic-en-gpios = <&gpio 184 0>;
+ ext-mic-en-gpios = <&gpio 185 0>;
+ };
+
+ serial@70006300 {
+ clock-frequency = < 216000000 >;
+ };
+
+ sdhci@c8000200 {
+ gpios = <&gpio 69 0>, /* cd, gpio PI5 */
+ <&gpio 57 0>, /* wp, gpio PH1 */
+ <&gpio 155 0>; /* power, gpio PT3 */
+ };
+
+ sdhci@c8000600 {
+ gpios = <&gpio 58 0>, /* cd, gpio PH2 */
+ <&gpio 59 0>, /* wp, gpio PH3 */
+ <&gpio 70 0>; /* power, gpio PI6 */
+ };
+};
diff --git a/arch/arm/boot/dts/tegra-seaboard.dts b/arch/arm/boot/dts/tegra-seaboard.dts
new file mode 100644
index 0000000..1940cae
--- /dev/null
+++ b/arch/arm/boot/dts/tegra-seaboard.dts
@@ -0,0 +1,28 @@
+/dts-v1/;
+
+/memreserve/ 0x1c000000 0x04000000;
+/include/ "tegra20.dtsi"
+
+/ {
+ model = "NVIDIA Seaboard";
+ compatible = "nvidia,seaboard", "nvidia,tegra20";
+
+ chosen {
+ bootargs = "vmalloc=192M video=tegrafb console=ttyS0,115200n8 root=/dev/mmcblk1p3 rw rootwait";
+ };
+
+ memory {
+ device_type = "memory";
+ reg = < 0x00000000 0x40000000 >;
+ };
+
+ serial@70006300 {
+ clock-frequency = < 216000000 >;
+ };
+
+ sdhci@c8000400 {
+ gpios = <&gpio 69 0>, /* cd, gpio PI5 */
+ <&gpio 57 0>, /* wp, gpio PH1 */
+ <&gpio 70 0>; /* power, gpio PI6 */
+ };
+};
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
new file mode 100644
index 0000000..5727595
--- /dev/null
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -0,0 +1,139 @@
+/include/ "skeleton.dtsi"
+
+/ {
+ compatible = "nvidia,tegra20";
+ interrupt-parent = <&intc>;
+
+ intc: interrupt-controller@50041000 {
+ compatible = "nvidia,tegra20-gic";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ reg = < 0x50041000 0x1000 >,
+ < 0x50040100 0x0100 >;
+ };
+
+ i2c@7000c000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "nvidia,tegra20-i2c";
+ reg = <0x7000C000 0x100>;
+ interrupts = < 70 >;
+ };
+
+ i2c@7000c400 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "nvidia,tegra20-i2c";
+ reg = <0x7000C400 0x100>;
+ interrupts = < 116 >;
+ };
+
+ i2c@7000c500 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "nvidia,tegra20-i2c";
+ reg = <0x7000C500 0x100>;
+ interrupts = < 124 >;
+ };
+
+ i2c@7000d000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "nvidia,tegra20-i2c";
+ reg = <0x7000D000 0x200>;
+ interrupts = < 85 >;
+ };
+
+ i2s@70002800 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "nvidia,tegra20-i2s";
+ reg = <0x70002800 0x200>;
+ interrupts = < 45 >;
+ dma-channel = < 2 >;
+ };
+
+ i2s@70002a00 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "nvidia,tegra20-i2s";
+ reg = <0x70002a00 0x200>;
+ interrupts = < 35 >;
+ dma-channel = < 1 >;
+ };
+
+ das@70000c00 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "nvidia,tegra20-das";
+ reg = <0x70000c00 0x80>;
+ };
+
+ gpio: gpio@6000d000 {
+ compatible = "nvidia,tegra20-gpio";
+ reg = < 0x6000d000 0x1000 >;
+ interrupts = < 64 65 66 67 87 119 121 >;
+ #gpio-cells = <2>;
+ gpio-controller;
+ };
+
+ serial@70006000 {
+ compatible = "nvidia,tegra20-uart";
+ reg = <0x70006000 0x40>;
+ reg-shift = <2>;
+ interrupts = < 68 >;
+ };
+
+ serial@70006040 {
+ compatible = "nvidia,tegra20-uart";
+ reg = <0x70006040 0x40>;
+ reg-shift = <2>;
+ interrupts = < 69 >;
+ };
+
+ serial@70006200 {
+ compatible = "nvidia,tegra20-uart";
+ reg = <0x70006200 0x100>;
+ reg-shift = <2>;
+ interrupts = < 78 >;
+ };
+
+ serial@70006300 {
+ compatible = "nvidia,tegra20-uart";
+ reg = <0x70006300 0x100>;
+ reg-shift = <2>;
+ interrupts = < 122 >;
+ };
+
+ serial@70006400 {
+ compatible = "nvidia,tegra20-uart";
+ reg = <0x70006400 0x100>;
+ reg-shift = <2>;
+ interrupts = < 123 >;
+ };
+
+ sdhci@c8000000 {
+ compatible = "nvidia,tegra20-sdhci";
+ reg = <0xc8000000 0x200>;
+ interrupts = < 46 >;
+ };
+
+ sdhci@c8000200 {
+ compatible = "nvidia,tegra20-sdhci";
+ reg = <0xc8000200 0x200>;
+ interrupts = < 47 >;
+ };
+
+ sdhci@c8000400 {
+ compatible = "nvidia,tegra20-sdhci";
+ reg = <0xc8000400 0x200>;
+ interrupts = < 51 >;
+ };
+
+ sdhci@c8000600 {
+ compatible = "nvidia,tegra20-sdhci";
+ reg = <0xc8000600 0x200>;
+ interrupts = < 63 >;
+ };
+};
+
diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts
new file mode 100644
index 0000000..0b32925
--- /dev/null
+++ b/arch/arm/boot/dts/versatile-ab.dts
@@ -0,0 +1,192 @@
+/dts-v1/;
+/include/ "skeleton.dtsi"
+
+/ {
+ model = "ARM Versatile AB";
+ compatible = "arm,versatile-ab";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ interrupt-parent = <&vic>;
+
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart1;
+ serial2 = &uart2;
+ i2c0 = &i2c0;
+ };
+
+ memory {
+ reg = <0x0 0x08000000>;
+ };
+
+ flash@34000000 {
+ compatible = "arm,versatile-flash";
+ reg = <0x34000000 0x4000000>;
+ bank-width = <4>;
+ };
+
+ i2c0: i2c@10002000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "arm,versatile-i2c";
+ reg = <0x10002000 0x1000>;
+
+ rtc@68 {
+ compatible = "dallas,ds1338";
+ reg = <0x68>;
+ };
+ };
+
+ net@10010000 {
+ compatible = "smsc,lan91c111";
+ reg = <0x10010000 0x10000>;
+ interrupts = <25>;
+ };
+
+ lcd@10008000 {
+ compatible = "arm,versatile-lcd";
+ reg = <0x10008000 0x1000>;
+ };
+
+ amba {
+ compatible = "arm,amba-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ vic: intc@10140000 {
+ compatible = "arm,versatile-vic";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ reg = <0x10140000 0x1000>;
+ };
+
+ sic: intc@10003000 {
+ compatible = "arm,versatile-sic";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ reg = <0x10003000 0x1000>;
+ interrupt-parent = <&vic>;
+ interrupts = <31>; /* Cascaded to vic */
+ };
+
+ dma@10130000 {
+ compatible = "arm,pl081", "arm,primecell";
+ reg = <0x10130000 0x1000>;
+ interrupts = <17>;
+ };
+
+ uart0: uart@101f1000 {
+ compatible = "arm,pl011", "arm,primecell";
+ reg = <0x101f1000 0x1000>;
+ interrupts = <12>;
+ };
+
+ uart1: uart@101f2000 {
+ compatible = "arm,pl011", "arm,primecell";
+ reg = <0x101f2000 0x1000>;
+ interrupts = <13>;
+ };
+
+ uart2: uart@101f3000 {
+ compatible = "arm,pl011", "arm,primecell";
+ reg = <0x101f3000 0x1000>;
+ interrupts = <14>;
+ };
+
+ smc@10100000 {
+ compatible = "arm,primecell";
+ reg = <0x10100000 0x1000>;
+ };
+
+ mpmc@10110000 {
+ compatible = "arm,primecell";
+ reg = <0x10110000 0x1000>;
+ };
+
+ display@10120000 {
+ compatible = "arm,pl110", "arm,primecell";
+ reg = <0x10120000 0x1000>;
+ interrupts = <16>;
+ };
+
+ sctl@101e0000 {
+ compatible = "arm,primecell";
+ reg = <0x101e0000 0x1000>;
+ };
+
+ watchdog@101e1000 {
+ compatible = "arm,primecell";
+ reg = <0x101e1000 0x1000>;
+ interrupts = <0>;
+ };
+
+ gpio0: gpio@101e4000 {
+ compatible = "arm,pl061", "arm,primecell";
+ reg = <0x101e4000 0x1000>;
+ gpio-controller;
+ interrupts = <6>;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ gpio1: gpio@101e5000 {
+ compatible = "arm,pl061", "arm,primecell";
+ reg = <0x101e5000 0x1000>;
+ interrupts = <7>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ rtc@101e8000 {
+ compatible = "arm,pl030", "arm,primecell";
+ reg = <0x101e8000 0x1000>;
+ interrupts = <10>;
+ };
+
+ sci@101f0000 {
+ compatible = "arm,primecell";
+ reg = <0x101f0000 0x1000>;
+ interrupts = <15>;
+ };
+
+ ssp@101f4000 {
+ compatible = "arm,pl022", "arm,primecell";
+ reg = <0x101f4000 0x1000>;
+ interrupts = <11>;
+ };
+
+ fpga {
+ compatible = "arm,versatile-fpga", "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x10000000 0x10000>;
+
+ aaci@4000 {
+ compatible = "arm,primecell";
+ reg = <0x4000 0x1000>;
+ interrupts = <24>;
+ };
+ mmc@5000 {
+ compatible = "arm,primecell";
+ reg = < 0x5000 0x1000>;
+ interrupts = <22>;
+ };
+ kmi@6000 {
+ compatible = "arm,pl050", "arm,primecell";
+ reg = <0x6000 0x1000>;
+ interrupt-parent = <&sic>;
+ interrupts = <3>;
+ };
+ kmi@7000 {
+ compatible = "arm,pl050", "arm,primecell";
+ reg = <0x7000 0x1000>;
+ interrupt-parent = <&sic>;
+ interrupts = <4>;
+ };
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/versatile-pb.dts b/arch/arm/boot/dts/versatile-pb.dts
new file mode 100644
index 0000000..8a614e3
--- /dev/null
+++ b/arch/arm/boot/dts/versatile-pb.dts
@@ -0,0 +1,48 @@
+/include/ "versatile-ab.dts"
+
+/ {
+ model = "ARM Versatile PB";
+ compatible = "arm,versatile-pb";
+
+ amba {
+ gpio2: gpio@101e6000 {
+ compatible = "arm,pl061", "arm,primecell";
+ reg = <0x101e6000 0x1000>;
+ interrupts = <8>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ gpio3: gpio@101e7000 {
+ compatible = "arm,pl061", "arm,primecell";
+ reg = <0x101e7000 0x1000>;
+ interrupts = <9>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ fpga {
+ uart@9000 {
+ compatible = "arm,pl011", "arm,primecell";
+ reg = <0x9000 0x1000>;
+ interrupt-parent = <&sic>;
+ interrupts = <6>;
+ };
+ sci@a000 {
+ compatible = "arm,primecell";
+ reg = <0xa000 0x1000>;
+ interrupt-parent = <&sic>;
+ interrupts = <5>;
+ };
+ mmc@b000 {
+ compatible = "arm,primecell";
+ reg = <0xb000 0x1000>;
+ interrupts = <23>;
+ };
+ };
+ };
+};
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index 3281fb4..217aa191 100644
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -74,4 +74,11 @@
#define MACHINE_END \
};
+#define DT_MACHINE_START(_name, _namestr) \
+static const struct machine_desc __mach_desc_##_name \
+ __used \
+ __attribute__((__section__(".arch.info.init"))) = { \
+ .nr = ~0, \
+ .name = _namestr,
+
#endif
diff --git a/arch/arm/include/asm/prom.h b/arch/arm/include/asm/prom.h
index 11b8708..6f65ca8 100644
--- a/arch/arm/include/asm/prom.h
+++ b/arch/arm/include/asm/prom.h
@@ -16,11 +16,6 @@
#include <asm/setup.h>
#include <asm/irq.h>
-static inline void irq_dispose_mapping(unsigned int virq)
-{
- return;
-}
-
extern struct machine_desc *setup_machine_fdt(unsigned int dt_phys);
extern void arm_dt_memblock_reserve(void);
diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index 0cdd7b4..1a33e9d 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -132,17 +132,3 @@
return mdesc_best;
}
-
-/**
- * irq_create_of_mapping - Hook to resolve OF irq specifier into a Linux irq#
- *
- * Currently the mapping mechanism is trivial; simple flat hwirq numbers are
- * mapped 1:1 onto Linux irq numbers. Cascaded irq controllers are not
- * supported.
- */
-unsigned int irq_create_of_mapping(struct device_node *controller,
- const u32 *intspec, unsigned int intsize)
-{
- return intspec[0];
-}
-EXPORT_SYMBOL_GPL(irq_create_of_mapping);
diff --git a/arch/arm/mach-imx/clock-imx1.c b/arch/arm/mach-imx/clock-imx1.c
index dcc4172..4aabeb2 100644
--- a/arch/arm/mach-imx/clock-imx1.c
+++ b/arch/arm/mach-imx/clock-imx1.c
@@ -587,9 +587,9 @@
_REGISTER_CLOCK(NULL, "mma", mma_clk)
_REGISTER_CLOCK("imx_udc.0", NULL, usbd_clk)
_REGISTER_CLOCK(NULL, "gpt", gpt_clk)
- _REGISTER_CLOCK("imx-uart.0", NULL, uart_clk)
- _REGISTER_CLOCK("imx-uart.1", NULL, uart_clk)
- _REGISTER_CLOCK("imx-uart.2", NULL, uart_clk)
+ _REGISTER_CLOCK("imx1-uart.0", NULL, uart_clk)
+ _REGISTER_CLOCK("imx1-uart.1", NULL, uart_clk)
+ _REGISTER_CLOCK("imx1-uart.2", NULL, uart_clk)
_REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk)
_REGISTER_CLOCK("imx1-cspi.0", NULL, spi_clk)
_REGISTER_CLOCK("imx1-cspi.1", NULL, spi_clk)
diff --git a/arch/arm/mach-imx/clock-imx21.c b/arch/arm/mach-imx/clock-imx21.c
index bf30a8c..ee15d8c 100644
--- a/arch/arm/mach-imx/clock-imx21.c
+++ b/arch/arm/mach-imx/clock-imx21.c
@@ -1162,10 +1162,10 @@
_REGISTER_CLOCK(NULL, "perclk3", per_clk[2])
_REGISTER_CLOCK(NULL, "perclk4", per_clk[3])
_REGISTER_CLOCK(NULL, "clko", clko_clk)
- _REGISTER_CLOCK("imx-uart.0", NULL, uart_clk[0])
- _REGISTER_CLOCK("imx-uart.1", NULL, uart_clk[1])
- _REGISTER_CLOCK("imx-uart.2", NULL, uart_clk[2])
- _REGISTER_CLOCK("imx-uart.3", NULL, uart_clk[3])
+ _REGISTER_CLOCK("imx21-uart.0", NULL, uart_clk[0])
+ _REGISTER_CLOCK("imx21-uart.1", NULL, uart_clk[1])
+ _REGISTER_CLOCK("imx21-uart.2", NULL, uart_clk[2])
+ _REGISTER_CLOCK("imx21-uart.3", NULL, uart_clk[3])
_REGISTER_CLOCK(NULL, "gpt1", gpt_clk[0])
_REGISTER_CLOCK(NULL, "gpt1", gpt_clk[1])
_REGISTER_CLOCK(NULL, "gpt1", gpt_clk[2])
diff --git a/arch/arm/mach-imx/clock-imx25.c b/arch/arm/mach-imx/clock-imx25.c
index af1c580..0fc7ba5 100644
--- a/arch/arm/mach-imx/clock-imx25.c
+++ b/arch/arm/mach-imx/clock-imx25.c
@@ -272,11 +272,12 @@
},
static struct clk_lookup lookups[] = {
- _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
- _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
- _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
- _REGISTER_CLOCK("imx-uart.3", NULL, uart4_clk)
- _REGISTER_CLOCK("imx-uart.4", NULL, uart5_clk)
+ /* i.mx25 has the i.mx21 type uart */
+ _REGISTER_CLOCK("imx21-uart.0", NULL, uart1_clk)
+ _REGISTER_CLOCK("imx21-uart.1", NULL, uart2_clk)
+ _REGISTER_CLOCK("imx21-uart.2", NULL, uart3_clk)
+ _REGISTER_CLOCK("imx21-uart.3", NULL, uart4_clk)
+ _REGISTER_CLOCK("imx21-uart.4", NULL, uart5_clk)
_REGISTER_CLOCK("mxc-ehci.0", "usb", usbotg_clk)
_REGISTER_CLOCK("mxc-ehci.1", "usb", usbotg_clk)
_REGISTER_CLOCK("mxc-ehci.2", "usb", usbotg_clk)
@@ -295,19 +296,20 @@
_REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk)
_REGISTER_CLOCK("imx-i2c.1", NULL, i2c_clk)
_REGISTER_CLOCK("imx-i2c.2", NULL, i2c_clk)
- _REGISTER_CLOCK("fec.0", NULL, fec_clk)
+ _REGISTER_CLOCK("imx25-fec.0", NULL, fec_clk)
_REGISTER_CLOCK("imxdi_rtc.0", NULL, dryice_clk)
_REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk)
_REGISTER_CLOCK("imx2-wdt.0", NULL, wdt_clk)
_REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk)
_REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx25.0", NULL, esdhc1_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx25.1", NULL, esdhc2_clk)
_REGISTER_CLOCK("mx2-camera.0", NULL, csi_clk)
_REGISTER_CLOCK(NULL, "audmux", audmux_clk)
_REGISTER_CLOCK("flexcan.0", NULL, can1_clk)
_REGISTER_CLOCK("flexcan.1", NULL, can2_clk)
- _REGISTER_CLOCK("imx-sdma", NULL, sdma_clk)
+ /* i.mx25 has the i.mx35 type sdma */
+ _REGISTER_CLOCK("imx35-sdma", NULL, sdma_clk)
};
int __init mx25_clocks_init(void)
diff --git a/arch/arm/mach-imx/clock-imx27.c b/arch/arm/mach-imx/clock-imx27.c
index 583f251..6912b82 100644
--- a/arch/arm/mach-imx/clock-imx27.c
+++ b/arch/arm/mach-imx/clock-imx27.c
@@ -624,12 +624,13 @@
},
static struct clk_lookup lookups[] = {
- _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
- _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
- _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
- _REGISTER_CLOCK("imx-uart.3", NULL, uart4_clk)
- _REGISTER_CLOCK("imx-uart.4", NULL, uart5_clk)
- _REGISTER_CLOCK("imx-uart.5", NULL, uart6_clk)
+ /* i.mx27 has the i.mx21 type uart */
+ _REGISTER_CLOCK("imx21-uart.0", NULL, uart1_clk)
+ _REGISTER_CLOCK("imx21-uart.1", NULL, uart2_clk)
+ _REGISTER_CLOCK("imx21-uart.2", NULL, uart3_clk)
+ _REGISTER_CLOCK("imx21-uart.3", NULL, uart4_clk)
+ _REGISTER_CLOCK("imx21-uart.4", NULL, uart5_clk)
+ _REGISTER_CLOCK("imx21-uart.5", NULL, uart6_clk)
_REGISTER_CLOCK(NULL, "gpt1", gpt1_clk)
_REGISTER_CLOCK(NULL, "gpt2", gpt2_clk)
_REGISTER_CLOCK(NULL, "gpt3", gpt3_clk)
@@ -662,7 +663,7 @@
_REGISTER_CLOCK(NULL, "brom", brom_clk)
_REGISTER_CLOCK(NULL, "emma", emma_clk)
_REGISTER_CLOCK(NULL, "slcdc", slcdc_clk)
- _REGISTER_CLOCK("fec.0", NULL, fec_clk)
+ _REGISTER_CLOCK("imx27-fec.0", NULL, fec_clk)
_REGISTER_CLOCK(NULL, "emi", emi_clk)
_REGISTER_CLOCK(NULL, "sahara2", sahara2_clk)
_REGISTER_CLOCK(NULL, "ata", ata_clk)
diff --git a/arch/arm/mach-imx/clock-imx31.c b/arch/arm/mach-imx/clock-imx31.c
index 25f343f..d973770 100644
--- a/arch/arm/mach-imx/clock-imx31.c
+++ b/arch/arm/mach-imx/clock-imx31.c
@@ -547,11 +547,12 @@
_REGISTER_CLOCK("fsl-usb2-udc", "usb", usb_clk1)
_REGISTER_CLOCK("fsl-usb2-udc", "usb_ahb", usb_clk2)
_REGISTER_CLOCK("mx3-camera.0", NULL, csi_clk)
- _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
- _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
- _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
- _REGISTER_CLOCK("imx-uart.3", NULL, uart4_clk)
- _REGISTER_CLOCK("imx-uart.4", NULL, uart5_clk)
+ /* i.mx31 has the i.mx21 type uart */
+ _REGISTER_CLOCK("imx21-uart.0", NULL, uart1_clk)
+ _REGISTER_CLOCK("imx21-uart.1", NULL, uart2_clk)
+ _REGISTER_CLOCK("imx21-uart.2", NULL, uart3_clk)
+ _REGISTER_CLOCK("imx21-uart.3", NULL, uart4_clk)
+ _REGISTER_CLOCK("imx21-uart.4", NULL, uart5_clk)
_REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk)
_REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk)
_REGISTER_CLOCK("imx-i2c.2", NULL, i2c3_clk)
@@ -564,7 +565,7 @@
_REGISTER_CLOCK(NULL, "ata", ata_clk)
_REGISTER_CLOCK(NULL, "rtic", rtic_clk)
_REGISTER_CLOCK(NULL, "rng", rng_clk)
- _REGISTER_CLOCK("imx-sdma", NULL, sdma_clk1)
+ _REGISTER_CLOCK("imx31-sdma", NULL, sdma_clk1)
_REGISTER_CLOCK(NULL, "sdma_ipg", sdma_clk2)
_REGISTER_CLOCK(NULL, "mstick", mstick1_clk)
_REGISTER_CLOCK(NULL, "mstick", mstick2_clk)
diff --git a/arch/arm/mach-imx/clock-imx35.c b/arch/arm/mach-imx/clock-imx35.c
index 5a4cc1e..88b62a0 100644
--- a/arch/arm/mach-imx/clock-imx35.c
+++ b/arch/arm/mach-imx/clock-imx35.c
@@ -458,10 +458,11 @@
_REGISTER_CLOCK("imx-epit.0", NULL, epit1_clk)
_REGISTER_CLOCK("imx-epit.1", NULL, epit2_clk)
_REGISTER_CLOCK(NULL, "esai", esai_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.2", NULL, esdhc3_clk)
- _REGISTER_CLOCK("fec.0", NULL, fec_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx35.0", NULL, esdhc1_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx35.1", NULL, esdhc2_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx35.2", NULL, esdhc3_clk)
+ /* i.mx35 has the i.mx27 type fec */
+ _REGISTER_CLOCK("imx27-fec.0", NULL, fec_clk)
_REGISTER_CLOCK(NULL, "gpio", gpio1_clk)
_REGISTER_CLOCK(NULL, "gpio", gpio2_clk)
_REGISTER_CLOCK(NULL, "gpio", gpio3_clk)
@@ -481,14 +482,15 @@
_REGISTER_CLOCK(NULL, "rtc", rtc_clk)
_REGISTER_CLOCK(NULL, "rtic", rtic_clk)
_REGISTER_CLOCK(NULL, "scc", scc_clk)
- _REGISTER_CLOCK("imx-sdma", NULL, sdma_clk)
+ _REGISTER_CLOCK("imx35-sdma", NULL, sdma_clk)
_REGISTER_CLOCK(NULL, "spba", spba_clk)
_REGISTER_CLOCK(NULL, "spdif", spdif_clk)
_REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk)
_REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk)
- _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
- _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
- _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
+ /* i.mx35 has the i.mx21 type uart */
+ _REGISTER_CLOCK("imx21-uart.0", NULL, uart1_clk)
+ _REGISTER_CLOCK("imx21-uart.1", NULL, uart2_clk)
+ _REGISTER_CLOCK("imx21-uart.2", NULL, uart3_clk)
_REGISTER_CLOCK("mxc-ehci.0", "usb", usbotg_clk)
_REGISTER_CLOCK("mxc-ehci.1", "usb", usbotg_clk)
_REGISTER_CLOCK("mxc-ehci.2", "usb", usbotg_clk)
diff --git a/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c b/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c
index 01ebcb3..66e8726 100644
--- a/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c
+++ b/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c
@@ -225,7 +225,8 @@
static struct esdhc_platform_data sd1_pdata = {
.cd_gpio = GPIO_SD1CD,
- .wp_gpio = -EINVAL,
+ .cd_type = ESDHC_CD_GPIO,
+ .wp_type = ESDHC_WP_NONE,
};
/*
diff --git a/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c b/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c
index 558eb52..0f0af02 100644
--- a/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c
+++ b/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c
@@ -236,7 +236,8 @@
static struct esdhc_platform_data sd1_pdata = {
.cd_gpio = GPIO_SD1CD,
- .wp_gpio = -EINVAL,
+ .cd_type = ESDHC_CD_GPIO,
+ .wp_type = ESDHC_WP_NONE,
};
/*
diff --git a/arch/arm/mach-imx/mach-mx25_3ds.c b/arch/arm/mach-imx/mach-mx25_3ds.c
index 01534bb..7f66a91 100644
--- a/arch/arm/mach-imx/mach-mx25_3ds.c
+++ b/arch/arm/mach-imx/mach-mx25_3ds.c
@@ -215,6 +215,8 @@
static const struct esdhc_platform_data mx25pdk_esdhc_pdata __initconst = {
.wp_gpio = SD1_GPIO_WP,
.cd_gpio = SD1_GPIO_CD,
+ .wp_type = ESDHC_WP_GPIO,
+ .cd_type = ESDHC_CD_GPIO,
};
static void __init mx25pdk_init(void)
diff --git a/arch/arm/mach-imx/mach-pcm043.c b/arch/arm/mach-imx/mach-pcm043.c
index 163cc31..660ec3e 100644
--- a/arch/arm/mach-imx/mach-pcm043.c
+++ b/arch/arm/mach-imx/mach-pcm043.c
@@ -349,6 +349,8 @@
static struct esdhc_platform_data sd1_pdata = {
.wp_gpio = SD1_GPIO_WP,
.cd_gpio = SD1_GPIO_CD,
+ .wp_type = ESDHC_WP_GPIO,
+ .cd_type = ESDHC_CD_GPIO,
};
/*
diff --git a/arch/arm/mach-imx/mm-imx25.c b/arch/arm/mach-imx/mm-imx25.c
index 8bf0291..cc4d152 100644
--- a/arch/arm/mach-imx/mm-imx25.c
+++ b/arch/arm/mach-imx/mm-imx25.c
@@ -79,7 +79,6 @@
};
static struct sdma_platform_data imx25_sdma_pdata __initdata = {
- .sdma_version = 2,
.fw_name = "sdma-imx25.bin",
.script_addrs = &imx25_sdma_script,
};
@@ -92,5 +91,6 @@
mxc_register_gpio("imx31-gpio", 2, MX25_GPIO3_BASE_ADDR, SZ_16K, MX25_INT_GPIO3, 0);
mxc_register_gpio("imx31-gpio", 3, MX25_GPIO4_BASE_ADDR, SZ_16K, MX25_INT_GPIO4, 0);
- imx_add_imx_sdma(MX25_SDMA_BASE_ADDR, MX25_INT_SDMA, &imx25_sdma_pdata);
+ /* i.mx25 has the i.mx35 type sdma */
+ imx_add_imx_sdma("imx35-sdma", MX25_SDMA_BASE_ADDR, MX25_INT_SDMA, &imx25_sdma_pdata);
}
diff --git a/arch/arm/mach-imx/mm-imx31.c b/arch/arm/mach-imx/mm-imx31.c
index 61bff38..b7c55e7 100644
--- a/arch/arm/mach-imx/mm-imx31.c
+++ b/arch/arm/mach-imx/mm-imx31.c
@@ -69,7 +69,6 @@
};
static struct sdma_platform_data imx31_sdma_pdata __initdata = {
- .sdma_version = 1,
.fw_name = "sdma-imx31-to2.bin",
.script_addrs = &imx31_to2_sdma_script,
};
@@ -88,5 +87,5 @@
imx31_sdma_pdata.script_addrs = &imx31_to1_sdma_script;
}
- imx_add_imx_sdma(MX31_SDMA_BASE_ADDR, MX31_INT_SDMA, &imx31_sdma_pdata);
+ imx_add_imx_sdma("imx31-sdma", MX31_SDMA_BASE_ADDR, MX31_INT_SDMA, &imx31_sdma_pdata);
}
diff --git a/arch/arm/mach-imx/mm-imx35.c b/arch/arm/mach-imx/mm-imx35.c
index 98769ae..f49bac7 100644
--- a/arch/arm/mach-imx/mm-imx35.c
+++ b/arch/arm/mach-imx/mm-imx35.c
@@ -86,7 +86,6 @@
};
static struct sdma_platform_data imx35_sdma_pdata __initdata = {
- .sdma_version = 2,
.fw_name = "sdma-imx35-to2.bin",
.script_addrs = &imx35_to2_sdma_script,
};
@@ -106,5 +105,5 @@
imx35_sdma_pdata.script_addrs = &imx35_to1_sdma_script;
}
- imx_add_imx_sdma(MX35_SDMA_BASE_ADDR, MX35_INT_SDMA, &imx35_sdma_pdata);
+ imx_add_imx_sdma("imx35-sdma", MX35_SDMA_BASE_ADDR, MX35_INT_SDMA, &imx35_sdma_pdata);
}
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index 15c6000..e400b09 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -41,8 +41,6 @@
#define BABBAGE_POWER_KEY IMX_GPIO_NR(2, 21)
#define BABBAGE_ECSPI1_CS0 IMX_GPIO_NR(4, 24)
#define BABBAGE_ECSPI1_CS1 IMX_GPIO_NR(4, 25)
-#define BABBAGE_SD1_CD IMX_GPIO_NR(1, 0)
-#define BABBAGE_SD1_WP IMX_GPIO_NR(1, 1)
#define BABBAGE_SD2_CD IMX_GPIO_NR(1, 6)
#define BABBAGE_SD2_WP IMX_GPIO_NR(1, 5)
@@ -146,8 +144,9 @@
MX51_PAD_SD1_DATA1__SD1_DATA1,
MX51_PAD_SD1_DATA2__SD1_DATA2,
MX51_PAD_SD1_DATA3__SD1_DATA3,
- MX51_PAD_GPIO1_0__GPIO1_0,
- MX51_PAD_GPIO1_1__GPIO1_1,
+ /* CD/WP from controller */
+ MX51_PAD_GPIO1_0__SD1_CD,
+ MX51_PAD_GPIO1_1__SD1_WP,
/* SD 2 */
MX51_PAD_SD2_CMD__SD2_CMD,
@@ -156,6 +155,7 @@
MX51_PAD_SD2_DATA1__SD2_DATA1,
MX51_PAD_SD2_DATA2__SD2_DATA2,
MX51_PAD_SD2_DATA3__SD2_DATA3,
+ /* CD/WP gpio */
MX51_PAD_GPIO1_6__GPIO1_6,
MX51_PAD_GPIO1_5__GPIO1_5,
@@ -340,13 +340,15 @@
};
static const struct esdhc_platform_data mx51_babbage_sd1_data __initconst = {
- .cd_gpio = BABBAGE_SD1_CD,
- .wp_gpio = BABBAGE_SD1_WP,
+ .cd_type = ESDHC_CD_CONTROLLER,
+ .wp_type = ESDHC_WP_CONTROLLER,
};
static const struct esdhc_platform_data mx51_babbage_sd2_data __initconst = {
.cd_gpio = BABBAGE_SD2_CD,
.wp_gpio = BABBAGE_SD2_WP,
+ .cd_type = ESDHC_CD_GPIO,
+ .wp_type = ESDHC_WP_GPIO,
};
/*
diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c
index 54be525..4e1d51d 100644
--- a/arch/arm/mach-mx5/board-mx53_loco.c
+++ b/arch/arm/mach-mx5/board-mx53_loco.c
@@ -210,11 +210,15 @@
static const struct esdhc_platform_data mx53_loco_sd1_data __initconst = {
.cd_gpio = LOCO_SD1_CD,
+ .cd_type = ESDHC_CD_GPIO,
+ .wp_type = ESDHC_WP_NONE,
};
static const struct esdhc_platform_data mx53_loco_sd3_data __initconst = {
.cd_gpio = LOCO_SD3_CD,
.wp_gpio = LOCO_SD3_WP,
+ .cd_type = ESDHC_CD_GPIO,
+ .wp_type = ESDHC_WP_GPIO,
};
static inline void mx53_loco_fec_reset(void)
diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index 23cd809..7f20308 100644
--- a/arch/arm/mach-mx5/clock-mx51-mx53.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -1422,11 +1422,13 @@
},
static struct clk_lookup mx51_lookups[] = {
- _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
- _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
- _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
+ /* i.mx51 has the i.mx21 type uart */
+ _REGISTER_CLOCK("imx21-uart.0", NULL, uart1_clk)
+ _REGISTER_CLOCK("imx21-uart.1", NULL, uart2_clk)
+ _REGISTER_CLOCK("imx21-uart.2", NULL, uart3_clk)
_REGISTER_CLOCK(NULL, "gpt", gpt_clk)
- _REGISTER_CLOCK("fec.0", NULL, fec_clk)
+ /* i.mx51 has the i.mx27 type fec */
+ _REGISTER_CLOCK("imx27-fec.0", NULL, fec_clk)
_REGISTER_CLOCK("mxc_pwm.0", "pwm", pwm1_clk)
_REGISTER_CLOCK("mxc_pwm.1", "pwm", pwm2_clk)
_REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk)
@@ -1446,7 +1448,8 @@
_REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk)
_REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk)
_REGISTER_CLOCK("imx-ssi.2", NULL, ssi3_clk)
- _REGISTER_CLOCK("imx-sdma", NULL, sdma_clk)
+ /* i.mx51 has the i.mx35 type sdma */
+ _REGISTER_CLOCK("imx35-sdma", NULL, sdma_clk)
_REGISTER_CLOCK(NULL, "ckih", ckih_clk)
_REGISTER_CLOCK(NULL, "ckih2", ckih2_clk)
_REGISTER_CLOCK(NULL, "gpt_32k", gpt_32k_clk)
@@ -1454,10 +1457,10 @@
_REGISTER_CLOCK("imx51-ecspi.1", NULL, ecspi2_clk)
/* i.mx51 has the i.mx35 type cspi */
_REGISTER_CLOCK("imx35-cspi.0", NULL, cspi_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.2", NULL, esdhc3_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.3", NULL, esdhc4_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx51.0", NULL, esdhc1_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx51.1", NULL, esdhc2_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx51.2", NULL, esdhc3_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx51.3", NULL, esdhc4_clk)
_REGISTER_CLOCK(NULL, "cpu_clk", cpu_clk)
_REGISTER_CLOCK(NULL, "iim_clk", iim_clk)
_REGISTER_CLOCK("imx2-wdt.0", NULL, dummy_clk)
@@ -1470,29 +1473,32 @@
};
static struct clk_lookup mx53_lookups[] = {
- _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
- _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
- _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
- _REGISTER_CLOCK("imx-uart.3", NULL, uart4_clk)
- _REGISTER_CLOCK("imx-uart.4", NULL, uart5_clk)
+ /* i.mx53 has the i.mx21 type uart */
+ _REGISTER_CLOCK("imx21-uart.0", NULL, uart1_clk)
+ _REGISTER_CLOCK("imx21-uart.1", NULL, uart2_clk)
+ _REGISTER_CLOCK("imx21-uart.2", NULL, uart3_clk)
+ _REGISTER_CLOCK("imx21-uart.3", NULL, uart4_clk)
+ _REGISTER_CLOCK("imx21-uart.4", NULL, uart5_clk)
_REGISTER_CLOCK(NULL, "gpt", gpt_clk)
- _REGISTER_CLOCK("fec.0", NULL, fec_clk)
+ /* i.mx53 has the i.mx25 type fec */
+ _REGISTER_CLOCK("imx25-fec.0", NULL, fec_clk)
_REGISTER_CLOCK(NULL, "iim_clk", iim_clk)
_REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk)
_REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk)
_REGISTER_CLOCK("imx-i2c.2", NULL, i2c3_mx53_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_mx53_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.2", NULL, esdhc3_mx53_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.3", NULL, esdhc4_mx53_clk)
/* i.mx53 has the i.mx51 type ecspi */
_REGISTER_CLOCK("imx51-ecspi.0", NULL, ecspi1_clk)
_REGISTER_CLOCK("imx51-ecspi.1", NULL, ecspi2_clk)
/* i.mx53 has the i.mx25 type cspi */
_REGISTER_CLOCK("imx35-cspi.0", NULL, cspi_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx53.0", NULL, esdhc1_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx53.1", NULL, esdhc2_mx53_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx53.2", NULL, esdhc3_mx53_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx53.3", NULL, esdhc4_mx53_clk)
_REGISTER_CLOCK("imx2-wdt.0", NULL, dummy_clk)
_REGISTER_CLOCK("imx2-wdt.1", NULL, dummy_clk)
- _REGISTER_CLOCK("imx-sdma", NULL, sdma_clk)
+ /* i.mx53 has the i.mx35 type sdma */
+ _REGISTER_CLOCK("imx35-sdma", NULL, sdma_clk)
_REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk)
_REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk)
_REGISTER_CLOCK("imx-ssi.2", NULL, ssi3_clk)
diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c
index ef8aec9..baea6e5 100644
--- a/arch/arm/mach-mx5/mm.c
+++ b/arch/arm/mach-mx5/mm.c
@@ -115,7 +115,6 @@
};
static struct sdma_platform_data imx51_sdma_pdata __initdata = {
- .sdma_version = 2,
.fw_name = "sdma-imx51.bin",
.script_addrs = &imx51_sdma_script,
};
@@ -135,7 +134,6 @@
};
static struct sdma_platform_data imx53_sdma_pdata __initdata = {
- .sdma_version = 2,
.fw_name = "sdma-imx53.bin",
.script_addrs = &imx53_sdma_script,
};
@@ -148,7 +146,8 @@
mxc_register_gpio("imx31-gpio", 2, MX51_GPIO3_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO3_LOW, MX51_MXC_INT_GPIO3_HIGH);
mxc_register_gpio("imx31-gpio", 3, MX51_GPIO4_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO4_LOW, MX51_MXC_INT_GPIO4_HIGH);
- imx_add_imx_sdma(MX51_SDMA_BASE_ADDR, MX51_INT_SDMA, &imx51_sdma_pdata);
+ /* i.mx51 has the i.mx35 type sdma */
+ imx_add_imx_sdma("imx35-sdma", MX51_SDMA_BASE_ADDR, MX51_INT_SDMA, &imx51_sdma_pdata);
}
void __init imx53_soc_init(void)
@@ -162,5 +161,6 @@
mxc_register_gpio("imx31-gpio", 5, MX53_GPIO6_BASE_ADDR, SZ_16K, MX53_INT_GPIO6_LOW, MX53_INT_GPIO6_HIGH);
mxc_register_gpio("imx31-gpio", 6, MX53_GPIO7_BASE_ADDR, SZ_16K, MX53_INT_GPIO7_LOW, MX53_INT_GPIO7_HIGH);
- imx_add_imx_sdma(MX53_SDMA_BASE_ADDR, MX53_INT_SDMA, &imx53_sdma_pdata);
+ /* i.mx53 has the i.mx35 type sdma */
+ imx_add_imx_sdma("imx35-sdma", MX53_SDMA_BASE_ADDR, MX53_INT_SDMA, &imx53_sdma_pdata);
}
diff --git a/arch/arm/mach-mx5/mx51_efika.c b/arch/arm/mach-mx5/mx51_efika.c
index 56739c2..4435e03 100644
--- a/arch/arm/mach-mx5/mx51_efika.c
+++ b/arch/arm/mach-mx5/mx51_efika.c
@@ -260,8 +260,8 @@
};
static struct regulator_consumer_supply vsd_consumers[] = {
- REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx.0"),
- REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx.1"),
+ REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx51.0"),
+ REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx51.1"),
};
static struct regulator_consumer_supply pwgt1_consumer[] = {
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index fec64f3..d82ebab 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -51,6 +51,12 @@
also be included for some of the derivative boards that
have large similarities with the seaboard design.
+config MACH_TEGRA_DT
+ bool "Generic Tegra board (FDT support)"
+ select USE_OF
+ help
+ Support for generic nVidia Tegra boards using Flattened Device Tree
+
config MACH_TRIMSLICE
bool "TrimSlice board"
select TEGRA_PCI
diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index ed58ef9..f11b910 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -29,5 +29,8 @@
obj-${CONFIG_MACH_SEABOARD} += board-seaboard.o
obj-${CONFIG_MACH_SEABOARD} += board-seaboard-pinmux.o
+obj-${CONFIG_MACH_TEGRA_DT} += board-dt.o
+obj-${CONFIG_MACH_TEGRA_DT} += board-harmony-pinmux.o
+
obj-${CONFIG_MACH_TRIMSLICE} += board-trimslice.o
obj-${CONFIG_MACH_TRIMSLICE} += board-trimslice-pinmux.o
diff --git a/arch/arm/mach-tegra/Makefile.boot b/arch/arm/mach-tegra/Makefile.boot
index db52d61..428ad12 100644
--- a/arch/arm/mach-tegra/Makefile.boot
+++ b/arch/arm/mach-tegra/Makefile.boot
@@ -1,3 +1,6 @@
zreladdr-$(CONFIG_ARCH_TEGRA_2x_SOC) := 0x00008000
params_phys-$(CONFIG_ARCH_TEGRA_2x_SOC) := 0x00000100
initrd_phys-$(CONFIG_ARCH_TEGRA_2x_SOC) := 0x00800000
+
+dtb-$(CONFIG_MACH_HARMONY) += tegra-harmony.dtb
+dtb-$(CONFIG_MACH_SEABOARD) += tegra-seaboard.dtb
diff --git a/arch/arm/mach-tegra/board-dt.c b/arch/arm/mach-tegra/board-dt.c
new file mode 100644
index 0000000..9f47e04
--- /dev/null
+++ b/arch/arm/mach-tegra/board-dt.c
@@ -0,0 +1,119 @@
+/*
+ * nVidia Tegra device tree board support
+ *
+ * Copyright (C) 2010 Secret Lab Technologies, Ltd.
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+#include <linux/clk.h>
+#include <linux/dma-mapping.h>
+#include <linux/irqdomain.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_fdt.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <linux/pda_power.h>
+#include <linux/io.h>
+#include <linux/i2c.h>
+#include <linux/i2c-tegra.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/setup.h>
+
+#include <mach/iomap.h>
+#include <mach/irqs.h>
+
+#include "board.h"
+#include "board-harmony.h"
+#include "clock.h"
+#include "devices.h"
+
+void harmony_pinmux_init(void);
+void seaboard_pinmux_init(void);
+
+
+struct of_dev_auxdata tegra20_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("nvidia,tegra20-sdhci", TEGRA_SDMMC1_BASE, "sdhci-tegra.0", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-sdhci", TEGRA_SDMMC2_BASE, "sdhci-tegra.1", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-sdhci", TEGRA_SDMMC3_BASE, "sdhci-tegra.2", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-sdhci", TEGRA_SDMMC4_BASE, "sdhci-tegra.3", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-i2c", TEGRA_I2C_BASE, "tegra-i2c.0", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-i2c", TEGRA_I2C2_BASE, "tegra-i2c.1", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-i2c", TEGRA_I2C3_BASE, "tegra-i2c.2", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-i2c", TEGRA_DVC_BASE, "tegra-i2c.3", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-i2s", TEGRA_I2S1_BASE, "tegra-i2s.0", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-i2s", TEGRA_I2S1_BASE, "tegra-i2s.1", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-das", TEGRA_APB_MISC_DAS_BASE, "tegra-das", NULL),
+ {}
+};
+
+static __initdata struct tegra_clk_init_table tegra_dt_clk_init_table[] = {
+ /* name parent rate enabled */
+ { "uartd", "pll_p", 216000000, true },
+ { NULL, NULL, 0, 0},
+};
+
+static struct of_device_id tegra_dt_match_table[] __initdata = {
+ { .compatible = "simple-bus", },
+ {}
+};
+
+static struct of_device_id tegra_dt_gic_match[] __initdata = {
+ { .compatible = "nvidia,tegra20-gic", },
+ {}
+};
+
+static void __init tegra_dt_init(void)
+{
+ struct device_node *node;
+
+ node = of_find_matching_node_by_address(NULL, tegra_dt_gic_match,
+ TEGRA_ARM_INT_DIST_BASE);
+ if (node)
+ irq_domain_add_simple(node, INT_GIC_BASE);
+
+ tegra_clk_init_from_table(tegra_dt_clk_init_table);
+
+ if (of_machine_is_compatible("nvidia,harmony"))
+ harmony_pinmux_init();
+ else if (of_machine_is_compatible("nvidia,seaboard"))
+ seaboard_pinmux_init();
+
+ /*
+ * Finished with the static registrations now; fill in the missing
+ * devices
+ */
+ of_platform_populate(NULL, tegra_dt_match_table, tegra20_auxdata_lookup, NULL);
+}
+
+static const char * tegra_dt_board_compat[] = {
+ "nvidia,harmony",
+ "nvidia,seaboard",
+ NULL
+};
+
+DT_MACHINE_START(TEGRA_DT, "nVidia Tegra (Flattened Device Tree)")
+ .map_io = tegra_map_common_io,
+ .init_early = tegra_init_early,
+ .init_irq = tegra_init_irq,
+ .timer = &tegra_timer,
+ .init_machine = tegra_dt_init,
+ .dt_compat = tegra_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-versatile/Kconfig b/arch/arm/mach-versatile/Kconfig
index 9cdec5a..c1f38f6 100644
--- a/arch/arm/mach-versatile/Kconfig
+++ b/arch/arm/mach-versatile/Kconfig
@@ -17,4 +17,12 @@
Include support for the ARM(R) Versatile Application Baseboard
for the ARM926EJ-S.
+config MACH_VERSATILE_DT
+ bool "Support Versatile platform from device tree"
+ select USE_OF
+ select CPU_ARM926T
+ help
+ Include support for the ARM(R) Versatile/PB platform,
+ using the device tree for discovery
+
endmenu
diff --git a/arch/arm/mach-versatile/Makefile b/arch/arm/mach-versatile/Makefile
index 97cf4d8..81fa3fe 100644
--- a/arch/arm/mach-versatile/Makefile
+++ b/arch/arm/mach-versatile/Makefile
@@ -5,4 +5,5 @@
obj-y := core.o
obj-$(CONFIG_ARCH_VERSATILE_PB) += versatile_pb.o
obj-$(CONFIG_MACH_VERSATILE_AB) += versatile_ab.o
+obj-$(CONFIG_MACH_VERSATILE_DT) += versatile_dt.o
obj-$(CONFIG_PCI) += pci.o
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index 0c99cf0..e340a54 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -24,6 +24,9 @@
#include <linux/platform_device.h>
#include <linux/sysdev.h>
#include <linux/interrupt.h>
+#include <linux/irqdomain.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
#include <linux/amba/bus.h>
#include <linux/amba/clcd.h>
#include <linux/amba/pl061.h>
@@ -83,13 +86,26 @@
#define PIC_MASK 0
#endif
+/* Lookup table for finding a DT node that represents the vic instance */
+static const struct of_device_id vic_of_match[] __initconst = {
+ { .compatible = "arm,versatile-vic", },
+ {}
+};
+
+static const struct of_device_id sic_of_match[] __initconst = {
+ { .compatible = "arm,versatile-sic", },
+ {}
+};
+
void __init versatile_init_irq(void)
{
vic_init(VA_VIC_BASE, IRQ_VIC_START, ~0, 0);
+ irq_domain_generate_simple(vic_of_match, VERSATILE_VIC_BASE, IRQ_VIC_START);
writel(~0, VA_SIC_BASE + SIC_IRQ_ENABLE_CLEAR);
fpga_irq_init(IRQ_VICSOURCE31, ~PIC_MASK, &sic_irq);
+ irq_domain_generate_simple(sic_of_match, VERSATILE_SIC_BASE, IRQ_SIC_START);
/*
* Interrupts on secondary controller from 0 to 8 are routed to
@@ -646,6 +662,52 @@
&kmi1_device,
};
+#ifdef CONFIG_OF
+/*
+ * Lookup table for attaching a specific name and platform_data pointer to
+ * devices as they get created by of_platform_populate(). Ideally this table
+ * would not exist, but the current clock implementation depends on some devices
+ * having a specific name.
+ */
+struct of_dev_auxdata versatile_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_MMCI0_BASE, "fpga:05", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_KMI0_BASE, "fpga:06", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_KMI1_BASE, "fpga:07", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART3_BASE, "fpga:09", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_MMCI1_BASE, "fpga:0b", NULL),
+
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_CLCD_BASE, "dev:20", &clcd_plat_data),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART0_BASE, "dev:f1", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART1_BASE, "dev:f2", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART2_BASE, "dev:f3", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_SSP_BASE, "dev:f4", NULL),
+
+#if 0
+ /*
+ * These entries are unnecessary because no clocks referencing
+ * them. I've left them in for now as place holders in case
+ * any of them need to be added back, but they should be
+ * removed before actually committing this patch. --gcl
+ */
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_AACI_BASE, "fpga:04", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_SCI1_BASE, "fpga:0a", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_SMC_BASE, "dev:00", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_MPMC_BASE, "dev:10", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_DMAC_BASE, "dev:30", NULL),
+
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_SCTL_BASE, "dev:e0", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_WATCHDOG_BASE, "dev:e1", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_GPIO0_BASE, "dev:e4", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_GPIO1_BASE, "dev:e5", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_GPIO2_BASE, "dev:e6", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_GPIO3_BASE, "dev:e7", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_RTC_BASE, "dev:e8", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_SCI_BASE, "dev:f0", NULL),
+#endif
+ {}
+};
+#endif
+
#ifdef CONFIG_LEDS
#define VA_LEDS_BASE (__io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_LED_OFFSET)
diff --git a/arch/arm/mach-versatile/core.h b/arch/arm/mach-versatile/core.h
index fd6404e..e014227 100644
--- a/arch/arm/mach-versatile/core.h
+++ b/arch/arm/mach-versatile/core.h
@@ -23,6 +23,7 @@
#define __ASM_ARCH_VERSATILE_H
#include <linux/amba/bus.h>
+#include <linux/of_platform.h>
extern void __init versatile_init(void);
extern void __init versatile_init_early(void);
@@ -30,6 +31,9 @@
extern void __init versatile_map_io(void);
extern struct sys_timer versatile_timer;
extern unsigned int mmc_status(struct device *dev);
+#ifdef CONFIG_OF
+extern struct of_dev_auxdata versatile_auxdata_lookup[];
+#endif
#define AMBA_DEVICE(name,busid,base,plat) \
static struct amba_device name##_device = { \
diff --git a/arch/arm/mach-versatile/versatile_dt.c b/arch/arm/mach-versatile/versatile_dt.c
new file mode 100644
index 0000000..54e037c
--- /dev/null
+++ b/arch/arm/mach-versatile/versatile_dt.c
@@ -0,0 +1,51 @@
+/*
+ * Versatile board support using the device tree
+ *
+ * Copyright (C) 2010 Secret Lab Technologies Ltd.
+ * Copyright (C) 2009 Jeremy Kerr <jeremy.kerr@canonical.com>
+ * Copyright (C) 2004 ARM Limited
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/init.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include "core.h"
+
+static void __init versatile_dt_init(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table,
+ versatile_auxdata_lookup, NULL);
+}
+
+static const char *versatile_dt_match[] __initconst = {
+ "arm,versatile-ab",
+ "arm,versatile-pb",
+ NULL,
+};
+
+DT_MACHINE_START(VERSATILE_PB, "ARM-Versatile (Device Tree Support)")
+ .map_io = versatile_map_io,
+ .init_early = versatile_init_early,
+ .init_irq = versatile_init_irq,
+ .timer = &versatile_timer,
+ .init_machine = versatile_dt_init,
+ .dt_compat = versatile_dt_match,
+MACHINE_END
diff --git a/arch/arm/plat-mxc/devices/platform-fec.c b/arch/arm/plat-mxc/devices/platform-fec.c
index 4fc6ffc..0bae44e 100644
--- a/arch/arm/plat-mxc/devices/platform-fec.c
+++ b/arch/arm/plat-mxc/devices/platform-fec.c
@@ -11,40 +11,45 @@
#include <mach/hardware.h>
#include <mach/devices-common.h>
-#define imx_fec_data_entry_single(soc) \
+#define imx_fec_data_entry_single(soc, _devid) \
{ \
+ .devid = _devid, \
.iobase = soc ## _FEC_BASE_ADDR, \
.irq = soc ## _INT_FEC, \
}
#ifdef CONFIG_SOC_IMX25
const struct imx_fec_data imx25_fec_data __initconst =
- imx_fec_data_entry_single(MX25);
+ imx_fec_data_entry_single(MX25, "imx25-fec");
#endif /* ifdef CONFIG_SOC_IMX25 */
#ifdef CONFIG_SOC_IMX27
const struct imx_fec_data imx27_fec_data __initconst =
- imx_fec_data_entry_single(MX27);
+ imx_fec_data_entry_single(MX27, "imx27-fec");
#endif /* ifdef CONFIG_SOC_IMX27 */
#ifdef CONFIG_SOC_IMX35
+/* i.mx35 has the i.mx27 type fec */
const struct imx_fec_data imx35_fec_data __initconst =
- imx_fec_data_entry_single(MX35);
+ imx_fec_data_entry_single(MX35, "imx27-fec");
#endif
#ifdef CONFIG_SOC_IMX50
+/* i.mx50 has the i.mx25 type fec */
const struct imx_fec_data imx50_fec_data __initconst =
- imx_fec_data_entry_single(MX50);
+ imx_fec_data_entry_single(MX50, "imx25-fec");
#endif
#ifdef CONFIG_SOC_IMX51
+/* i.mx51 has the i.mx27 type fec */
const struct imx_fec_data imx51_fec_data __initconst =
- imx_fec_data_entry_single(MX51);
+ imx_fec_data_entry_single(MX51, "imx27-fec");
#endif
#ifdef CONFIG_SOC_IMX53
+/* i.mx53 has the i.mx25 type fec */
const struct imx_fec_data imx53_fec_data __initconst =
- imx_fec_data_entry_single(MX53);
+ imx_fec_data_entry_single(MX53, "imx25-fec");
#endif
struct platform_device *__init imx_add_fec(
@@ -63,7 +68,7 @@
},
};
- return imx_add_platform_device_dmamask("fec", 0,
+ return imx_add_platform_device_dmamask(data->devid, 0,
res, ARRAY_SIZE(res),
pdata, sizeof(*pdata), DMA_BIT_MASK(32));
}
diff --git a/arch/arm/plat-mxc/devices/platform-imx-dma.c b/arch/arm/plat-mxc/devices/platform-imx-dma.c
index 2b0fdb2..7fa7e9c 100644
--- a/arch/arm/plat-mxc/devices/platform-imx-dma.c
+++ b/arch/arm/plat-mxc/devices/platform-imx-dma.c
@@ -14,7 +14,7 @@
"imx-dma", -1, NULL, 0, NULL, 0);
}
-struct platform_device __init __maybe_unused *imx_add_imx_sdma(
+struct platform_device __init __maybe_unused *imx_add_imx_sdma(char *name,
resource_size_t iobase, int irq, struct sdma_platform_data *pdata)
{
struct resource res[] = {
@@ -29,6 +29,6 @@
},
};
- return platform_device_register_resndata(&mxc_ahb_bus, "imx-sdma",
+ return platform_device_register_resndata(&mxc_ahb_bus, name,
-1, res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
}
diff --git a/arch/arm/plat-mxc/devices/platform-imx-uart.c b/arch/arm/plat-mxc/devices/platform-imx-uart.c
index cfce8c9..2020d84 100644
--- a/arch/arm/plat-mxc/devices/platform-imx-uart.c
+++ b/arch/arm/plat-mxc/devices/platform-imx-uart.c
@@ -152,7 +152,7 @@
},
};
- return imx_add_platform_device("imx-uart", data->id, res,
+ return imx_add_platform_device("imx1-uart", data->id, res,
ARRAY_SIZE(res), pdata, sizeof(*pdata));
}
@@ -172,6 +172,7 @@
},
};
- return imx_add_platform_device("imx-uart", data->id, res, ARRAY_SIZE(res),
- pdata, sizeof(*pdata));
+ /* i.mx21 type uart runs on all i.mx except i.mx1 */
+ return imx_add_platform_device("imx21-uart", data->id,
+ res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
}
diff --git a/arch/arm/plat-mxc/devices/platform-sdhci-esdhc-imx.c b/arch/arm/plat-mxc/devices/platform-sdhci-esdhc-imx.c
index 6b2940b..5955f5d 100644
--- a/arch/arm/plat-mxc/devices/platform-sdhci-esdhc-imx.c
+++ b/arch/arm/plat-mxc/devices/platform-sdhci-esdhc-imx.c
@@ -10,21 +10,22 @@
#include <mach/devices-common.h>
#include <mach/esdhc.h>
-#define imx_sdhci_esdhc_imx_data_entry_single(soc, _id, hwid) \
+#define imx_sdhci_esdhc_imx_data_entry_single(soc, _devid, _id, hwid) \
{ \
+ .devid = _devid, \
.id = _id, \
.iobase = soc ## _ESDHC ## hwid ## _BASE_ADDR, \
.irq = soc ## _INT_ESDHC ## hwid, \
}
-#define imx_sdhci_esdhc_imx_data_entry(soc, id, hwid) \
- [id] = imx_sdhci_esdhc_imx_data_entry_single(soc, id, hwid)
+#define imx_sdhci_esdhc_imx_data_entry(soc, devid, id, hwid) \
+ [id] = imx_sdhci_esdhc_imx_data_entry_single(soc, devid, id, hwid)
#ifdef CONFIG_SOC_IMX25
const struct imx_sdhci_esdhc_imx_data
imx25_sdhci_esdhc_imx_data[] __initconst = {
#define imx25_sdhci_esdhc_imx_data_entry(_id, _hwid) \
- imx_sdhci_esdhc_imx_data_entry(MX25, _id, _hwid)
+ imx_sdhci_esdhc_imx_data_entry(MX25, "sdhci-esdhc-imx25", _id, _hwid)
imx25_sdhci_esdhc_imx_data_entry(0, 1),
imx25_sdhci_esdhc_imx_data_entry(1, 2),
};
@@ -34,7 +35,7 @@
const struct imx_sdhci_esdhc_imx_data
imx35_sdhci_esdhc_imx_data[] __initconst = {
#define imx35_sdhci_esdhc_imx_data_entry(_id, _hwid) \
- imx_sdhci_esdhc_imx_data_entry(MX35, _id, _hwid)
+ imx_sdhci_esdhc_imx_data_entry(MX35, "sdhci-esdhc-imx35", _id, _hwid)
imx35_sdhci_esdhc_imx_data_entry(0, 1),
imx35_sdhci_esdhc_imx_data_entry(1, 2),
imx35_sdhci_esdhc_imx_data_entry(2, 3),
@@ -45,7 +46,7 @@
const struct imx_sdhci_esdhc_imx_data
imx51_sdhci_esdhc_imx_data[] __initconst = {
#define imx51_sdhci_esdhc_imx_data_entry(_id, _hwid) \
- imx_sdhci_esdhc_imx_data_entry(MX51, _id, _hwid)
+ imx_sdhci_esdhc_imx_data_entry(MX51, "sdhci-esdhc-imx51", _id, _hwid)
imx51_sdhci_esdhc_imx_data_entry(0, 1),
imx51_sdhci_esdhc_imx_data_entry(1, 2),
imx51_sdhci_esdhc_imx_data_entry(2, 3),
@@ -57,7 +58,7 @@
const struct imx_sdhci_esdhc_imx_data
imx53_sdhci_esdhc_imx_data[] __initconst = {
#define imx53_sdhci_esdhc_imx_data_entry(_id, _hwid) \
- imx_sdhci_esdhc_imx_data_entry(MX53, _id, _hwid)
+ imx_sdhci_esdhc_imx_data_entry(MX53, "sdhci-esdhc-imx53", _id, _hwid)
imx53_sdhci_esdhc_imx_data_entry(0, 1),
imx53_sdhci_esdhc_imx_data_entry(1, 2),
imx53_sdhci_esdhc_imx_data_entry(2, 3),
@@ -65,6 +66,11 @@
};
#endif /* ifdef CONFIG_SOC_IMX53 */
+static const struct esdhc_platform_data default_esdhc_pdata __initconst = {
+ .wp_type = ESDHC_WP_NONE,
+ .cd_type = ESDHC_CD_NONE,
+};
+
struct platform_device *__init imx_add_sdhci_esdhc_imx(
const struct imx_sdhci_esdhc_imx_data *data,
const struct esdhc_platform_data *pdata)
@@ -81,6 +87,13 @@
},
};
- return imx_add_platform_device("sdhci-esdhc-imx", data->id, res,
+ /*
+ * If machine does not provide pdata, use the default one
+ * which means no WP/CD support
+ */
+ if (!pdata)
+ pdata = &default_esdhc_pdata;
+
+ return imx_add_platform_device(data->devid, data->id, res,
ARRAY_SIZE(res), pdata, sizeof(*pdata));
}
diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h b/arch/arm/plat-mxc/include/mach/devices-common.h
index bf93820..524538a 100644
--- a/arch/arm/plat-mxc/include/mach/devices-common.h
+++ b/arch/arm/plat-mxc/include/mach/devices-common.h
@@ -30,6 +30,7 @@
#include <linux/fec.h>
struct imx_fec_data {
+ const char *devid;
resource_size_t iobase;
resource_size_t irq;
};
@@ -276,6 +277,7 @@
#include <mach/esdhc.h>
struct imx_sdhci_esdhc_imx_data {
+ const char *devid;
int id;
resource_size_t iobase;
resource_size_t irq;
@@ -297,5 +299,5 @@
const struct spi_imx_master *pdata);
struct platform_device *imx_add_imx_dma(void);
-struct platform_device *imx_add_imx_sdma(
+struct platform_device *imx_add_imx_sdma(char *name,
resource_size_t iobase, int irq, struct sdma_platform_data *pdata);
diff --git a/arch/arm/plat-mxc/include/mach/dma.h b/arch/arm/plat-mxc/include/mach/dma.h
index ef77515..233d0a5 100644
--- a/arch/arm/plat-mxc/include/mach/dma.h
+++ b/arch/arm/plat-mxc/include/mach/dma.h
@@ -60,7 +60,8 @@
static inline int imx_dma_is_general_purpose(struct dma_chan *chan)
{
- return !strcmp(dev_name(chan->device->dev), "imx-sdma") ||
+ return !strcmp(dev_name(chan->device->dev), "imx31-sdma") ||
+ !strcmp(dev_name(chan->device->dev), "imx35-sdma") ||
!strcmp(dev_name(chan->device->dev), "imx-dma");
}
diff --git a/arch/arm/plat-mxc/include/mach/esdhc.h b/arch/arm/plat-mxc/include/mach/esdhc.h
index 86003f4..aaf9748 100644
--- a/arch/arm/plat-mxc/include/mach/esdhc.h
+++ b/arch/arm/plat-mxc/include/mach/esdhc.h
@@ -10,17 +10,34 @@
#ifndef __ASM_ARCH_IMX_ESDHC_H
#define __ASM_ARCH_IMX_ESDHC_H
+enum wp_types {
+ ESDHC_WP_NONE, /* no WP, neither controller nor gpio */
+ ESDHC_WP_CONTROLLER, /* mmc controller internal WP */
+ ESDHC_WP_GPIO, /* external gpio pin for WP */
+};
+
+enum cd_types {
+ ESDHC_CD_NONE, /* no CD, neither controller nor gpio */
+ ESDHC_CD_CONTROLLER, /* mmc controller internal CD */
+ ESDHC_CD_GPIO, /* external gpio pin for CD */
+ ESDHC_CD_PERMANENT, /* no CD, card permanently wired to host */
+};
+
/**
- * struct esdhc_platform_data - optional platform data for esdhc on i.MX
+ * struct esdhc_platform_data - platform data for esdhc on i.MX
*
- * strongly recommended for i.MX25/35, not needed for other variants
+ * ESDHC_WP(CD)_CONTROLLER type is not available on i.MX25/35.
*
- * @wp_gpio: gpio for write_protect (-EINVAL if unused)
- * @cd_gpio: gpio for card_detect interrupt (-EINVAL if unused)
+ * @wp_gpio: gpio for write_protect
+ * @cd_gpio: gpio for card_detect interrupt
+ * @wp_type: type of write_protect method (see wp_types enum above)
+ * @cd_type: type of card_detect method (see cd_types enum above)
*/
struct esdhc_platform_data {
unsigned int wp_gpio;
unsigned int cd_gpio;
+ enum wp_types wp_type;
+ enum cd_types cd_type;
};
#endif /* __ASM_ARCH_IMX_ESDHC_H */
diff --git a/arch/arm/plat-mxc/include/mach/sdma.h b/arch/arm/plat-mxc/include/mach/sdma.h
index f495c87..3a39428 100644
--- a/arch/arm/plat-mxc/include/mach/sdma.h
+++ b/arch/arm/plat-mxc/include/mach/sdma.h
@@ -48,12 +48,10 @@
/**
* struct sdma_platform_data - platform specific data for SDMA engine
*
- * @sdma_version The version of this SDMA engine
* @fw_name The firmware name
* @script_addrs SDMA scripts addresses in SDMA ROM
*/
struct sdma_platform_data {
- int sdma_version;
char *fw_name;
struct sdma_script_start_addrs *script_addrs;
};
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 1ea47db..1eb60de 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -32,6 +32,8 @@
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/dmaengine.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
#include <asm/irq.h>
#include <mach/sdma.h>
@@ -65,8 +67,8 @@
#define SDMA_ONCE_RTB 0x060
#define SDMA_XTRIG_CONF1 0x070
#define SDMA_XTRIG_CONF2 0x074
-#define SDMA_CHNENBL0_V2 0x200
-#define SDMA_CHNENBL0_V1 0x080
+#define SDMA_CHNENBL0_IMX35 0x200
+#define SDMA_CHNENBL0_IMX31 0x080
#define SDMA_CHNPRI_0 0x100
/*
@@ -299,13 +301,18 @@
u32 ram_code_size;
};
+enum sdma_devtype {
+ IMX31_SDMA, /* runs on i.mx31 */
+ IMX35_SDMA, /* runs on i.mx35 and later */
+};
+
struct sdma_engine {
struct device *dev;
struct device_dma_parameters dma_parms;
struct sdma_channel channel[MAX_DMA_CHANNELS];
struct sdma_channel_control *channel_control;
void __iomem *regs;
- unsigned int version;
+ enum sdma_devtype devtype;
unsigned int num_events;
struct sdma_context_data *context;
dma_addr_t context_phys;
@@ -314,6 +321,26 @@
struct sdma_script_start_addrs *script_addrs;
};
+static struct platform_device_id sdma_devtypes[] = {
+ {
+ .name = "imx31-sdma",
+ .driver_data = IMX31_SDMA,
+ }, {
+ .name = "imx35-sdma",
+ .driver_data = IMX35_SDMA,
+ }, {
+ /* sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(platform, sdma_devtypes);
+
+static const struct of_device_id sdma_dt_ids[] = {
+ { .compatible = "fsl,imx31-sdma", .data = &sdma_devtypes[IMX31_SDMA], },
+ { .compatible = "fsl,imx35-sdma", .data = &sdma_devtypes[IMX35_SDMA], },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, sdma_dt_ids);
+
#define SDMA_H_CONFIG_DSPDMA (1 << 12) /* indicates if the DSPDMA is used */
#define SDMA_H_CONFIG_RTD_PINS (1 << 11) /* indicates if Real-Time Debug pins are enabled */
#define SDMA_H_CONFIG_ACR (1 << 4) /* indicates if AHB freq /core freq = 2 or 1 */
@@ -321,8 +348,8 @@
static inline u32 chnenbl_ofs(struct sdma_engine *sdma, unsigned int event)
{
- u32 chnenbl0 = (sdma->version == 2 ? SDMA_CHNENBL0_V2 : SDMA_CHNENBL0_V1);
-
+ u32 chnenbl0 = (sdma->devtype == IMX31_SDMA ? SDMA_CHNENBL0_IMX31 :
+ SDMA_CHNENBL0_IMX35);
return chnenbl0 + event * 4;
}
@@ -1108,22 +1135,14 @@
const char *fw_name)
{
const struct firmware *fw;
- char *fwname;
const struct sdma_firmware_header *header;
int ret;
const struct sdma_script_start_addrs *addr;
unsigned short *ram_code;
- fwname = kasprintf(GFP_KERNEL, "%s", fw_name);
- if (!fwname)
- return -ENOMEM;
-
- ret = request_firmware(&fw, fwname, sdma->dev);
- if (ret) {
- kfree(fwname);
+ ret = request_firmware(&fw, fw_name, sdma->dev);
+ if (ret)
return ret;
- }
- kfree(fwname);
if (fw->size < sizeof(*header))
goto err_firmware;
@@ -1162,15 +1181,16 @@
int i, ret;
dma_addr_t ccb_phys;
- switch (sdma->version) {
- case 1:
+ switch (sdma->devtype) {
+ case IMX31_SDMA:
sdma->num_events = 32;
break;
- case 2:
+ case IMX35_SDMA:
sdma->num_events = 48;
break;
default:
- dev_err(sdma->dev, "Unknown version %d. aborting\n", sdma->version);
+ dev_err(sdma->dev, "Unknown sdma type %d. aborting\n",
+ sdma->devtype);
return -ENODEV;
}
@@ -1239,6 +1259,10 @@
static int __init sdma_probe(struct platform_device *pdev)
{
+ const struct of_device_id *of_id =
+ of_match_device(sdma_dt_ids, &pdev->dev);
+ struct device_node *np = pdev->dev.of_node;
+ const char *fw_name;
int ret;
int irq;
struct resource *iores;
@@ -1254,7 +1278,7 @@
iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
irq = platform_get_irq(pdev, 0);
- if (!iores || irq < 0 || !pdata) {
+ if (!iores || irq < 0) {
ret = -EINVAL;
goto err_irq;
}
@@ -1284,7 +1308,9 @@
if (!sdma->script_addrs)
goto err_alloc;
- sdma->version = pdata->sdma_version;
+ if (of_id)
+ pdev->id_entry = of_id->data;
+ sdma->devtype = pdev->id_entry->driver_data;
dma_cap_set(DMA_SLAVE, sdma->dma_device.cap_mask);
dma_cap_set(DMA_CYCLIC, sdma->dma_device.cap_mask);
@@ -1314,10 +1340,30 @@
if (ret)
goto err_init;
- if (pdata->script_addrs)
+ if (pdata && pdata->script_addrs)
sdma_add_scripts(sdma, pdata->script_addrs);
- sdma_get_firmware(sdma, pdata->fw_name);
+ if (pdata) {
+ sdma_get_firmware(sdma, pdata->fw_name);
+ } else {
+ /*
+ * Because that device tree does not encode ROM script address,
+ * the RAM script in firmware is mandatory for device tree
+ * probe, otherwise it fails.
+ */
+ ret = of_property_read_string(np, "fsl,sdma-ram-script-name",
+ &fw_name);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to get firmware name\n");
+ goto err_init;
+ }
+
+ ret = sdma_get_firmware(sdma, fw_name);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to get firmware\n");
+ goto err_init;
+ }
+ }
sdma->dma_device.dev = &pdev->dev;
@@ -1365,7 +1411,9 @@
static struct platform_driver sdma_driver = {
.driver = {
.name = "imx-sdma",
+ .of_match_table = sdma_dt_ids,
},
+ .id_table = sdma_devtypes,
.remove = __exit_p(sdma_remove),
};
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 710b706..9ebfb4b 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -20,7 +20,9 @@
#include <linux/mmc/host.h>
#include <linux/mmc/mmc.h>
#include <linux/mmc/sdio.h>
-#include <mach/hardware.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_gpio.h>
#include <mach/esdhc.h>
#include "sdhci-pltfm.h"
#include "sdhci-esdhc.h"
@@ -29,7 +31,6 @@
#define SDHCI_VENDOR_SPEC 0xC0
#define SDHCI_VENDOR_SPEC_SDIO_QUIRK 0x00000002
-#define ESDHC_FLAG_GPIO_FOR_CD (1 << 0)
/*
* The CMDTYPE of the CMD register (offset 0xE) should be set to
* "11" when the STOP CMD12 is issued on imx53 to abort one
@@ -43,11 +44,68 @@
*/
#define ESDHC_FLAG_MULTIBLK_NO_INT (1 << 1)
+enum imx_esdhc_type {
+ IMX25_ESDHC,
+ IMX35_ESDHC,
+ IMX51_ESDHC,
+ IMX53_ESDHC,
+};
+
struct pltfm_imx_data {
int flags;
u32 scratchpad;
+ enum imx_esdhc_type devtype;
+ struct esdhc_platform_data boarddata;
};
+static struct platform_device_id imx_esdhc_devtype[] = {
+ {
+ .name = "sdhci-esdhc-imx25",
+ .driver_data = IMX25_ESDHC,
+ }, {
+ .name = "sdhci-esdhc-imx35",
+ .driver_data = IMX35_ESDHC,
+ }, {
+ .name = "sdhci-esdhc-imx51",
+ .driver_data = IMX51_ESDHC,
+ }, {
+ .name = "sdhci-esdhc-imx53",
+ .driver_data = IMX53_ESDHC,
+ }, {
+ /* sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(platform, imx_esdhc_devtype);
+
+static const struct of_device_id imx_esdhc_dt_ids[] = {
+ { .compatible = "fsl,imx25-esdhc", .data = &imx_esdhc_devtype[IMX25_ESDHC], },
+ { .compatible = "fsl,imx35-esdhc", .data = &imx_esdhc_devtype[IMX35_ESDHC], },
+ { .compatible = "fsl,imx51-esdhc", .data = &imx_esdhc_devtype[IMX51_ESDHC], },
+ { .compatible = "fsl,imx53-esdhc", .data = &imx_esdhc_devtype[IMX53_ESDHC], },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, imx_esdhc_dt_ids);
+
+static inline int is_imx25_esdhc(struct pltfm_imx_data *data)
+{
+ return data->devtype == IMX25_ESDHC;
+}
+
+static inline int is_imx35_esdhc(struct pltfm_imx_data *data)
+{
+ return data->devtype == IMX35_ESDHC;
+}
+
+static inline int is_imx51_esdhc(struct pltfm_imx_data *data)
+{
+ return data->devtype == IMX51_ESDHC;
+}
+
+static inline int is_imx53_esdhc(struct pltfm_imx_data *data)
+{
+ return data->devtype == IMX53_ESDHC;
+}
+
static inline void esdhc_clrset_le(struct sdhci_host *host, u32 mask, u32 val, int reg)
{
void __iomem *base = host->ioaddr + (reg & ~0x3);
@@ -60,17 +118,14 @@
{
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct pltfm_imx_data *imx_data = pltfm_host->priv;
+ struct esdhc_platform_data *boarddata = &imx_data->boarddata;
- /* fake CARD_PRESENT flag on mx25/35 */
+ /* fake CARD_PRESENT flag */
u32 val = readl(host->ioaddr + reg);
if (unlikely((reg == SDHCI_PRESENT_STATE)
- && (imx_data->flags & ESDHC_FLAG_GPIO_FOR_CD))) {
- struct esdhc_platform_data *boarddata =
- host->mmc->parent->platform_data;
-
- if (boarddata && gpio_is_valid(boarddata->cd_gpio)
- && gpio_get_value(boarddata->cd_gpio))
+ && gpio_is_valid(boarddata->cd_gpio))) {
+ if (gpio_get_value(boarddata->cd_gpio))
/* no card, if a valid gpio says so... */
val &= ~SDHCI_CARD_PRESENT;
else
@@ -85,12 +140,12 @@
{
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct pltfm_imx_data *imx_data = pltfm_host->priv;
+ struct esdhc_platform_data *boarddata = &imx_data->boarddata;
if (unlikely((reg == SDHCI_INT_ENABLE || reg == SDHCI_SIGNAL_ENABLE)
- && (imx_data->flags & ESDHC_FLAG_GPIO_FOR_CD)))
+ && (boarddata->cd_type == ESDHC_CD_GPIO)))
/*
* these interrupts won't work with a custom card_detect gpio
- * (only applied to mx25/35)
*/
val &= ~(SDHCI_INT_CARD_REMOVE | SDHCI_INT_CARD_INSERT);
@@ -173,6 +228,17 @@
return;
}
esdhc_clrset_le(host, 0xff, val, reg);
+
+ /*
+ * The esdhc has a design violation to SDHC spec which tells
+ * that software reset should not affect card detection circuit.
+ * But esdhc clears its SYSCTL register bits [0..2] during the
+ * software reset. This will stop those clocks that card detection
+ * circuit relies on. To work around it, we turn the clocks on back
+ * to keep card detection circuit functional.
+ */
+ if ((reg == SDHCI_SOFTWARE_RESET) && (val & 1))
+ esdhc_clrset_le(host, 0x7, 0x7, ESDHC_SYSTEM_CONTROL);
}
static unsigned int esdhc_pltfm_get_max_clock(struct sdhci_host *host)
@@ -189,6 +255,26 @@
return clk_get_rate(pltfm_host->clk) / 256 / 16;
}
+static unsigned int esdhc_pltfm_get_ro(struct sdhci_host *host)
+{
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct pltfm_imx_data *imx_data = pltfm_host->priv;
+ struct esdhc_platform_data *boarddata = &imx_data->boarddata;
+
+ switch (boarddata->wp_type) {
+ case ESDHC_WP_GPIO:
+ if (gpio_is_valid(boarddata->wp_gpio))
+ return gpio_get_value(boarddata->wp_gpio);
+ case ESDHC_WP_CONTROLLER:
+ return !(readl(host->ioaddr + SDHCI_PRESENT_STATE) &
+ SDHCI_WRITE_PROTECT);
+ case ESDHC_WP_NONE:
+ break;
+ }
+
+ return -ENOSYS;
+}
+
static struct sdhci_ops sdhci_esdhc_ops = {
.read_l = esdhc_readl_le,
.read_w = esdhc_readw_le,
@@ -198,6 +284,7 @@
.set_clock = esdhc_set_clock,
.get_max_clock = esdhc_pltfm_get_max_clock,
.get_min_clock = esdhc_pltfm_get_min_clock,
+ .get_ro = esdhc_pltfm_get_ro,
};
static struct sdhci_pltfm_data sdhci_esdhc_imx_pdata = {
@@ -207,17 +294,6 @@
.ops = &sdhci_esdhc_ops,
};
-static unsigned int esdhc_pltfm_get_ro(struct sdhci_host *host)
-{
- struct esdhc_platform_data *boarddata =
- host->mmc->parent->platform_data;
-
- if (boarddata && gpio_is_valid(boarddata->wp_gpio))
- return gpio_get_value(boarddata->wp_gpio);
- else
- return -ENOSYS;
-}
-
static irqreturn_t cd_irq(int irq, void *data)
{
struct sdhci_host *sdhost = (struct sdhci_host *)data;
@@ -226,8 +302,48 @@
return IRQ_HANDLED;
};
+#ifdef CONFIG_OF
+static int __devinit
+sdhci_esdhc_imx_probe_dt(struct platform_device *pdev,
+ struct esdhc_platform_data *boarddata)
+{
+ struct device_node *np = pdev->dev.of_node;
+
+ if (!np)
+ return -ENODEV;
+
+ if (of_get_property(np, "fsl,card-wired", NULL))
+ boarddata->cd_type = ESDHC_CD_PERMANENT;
+
+ if (of_get_property(np, "fsl,cd-controller", NULL))
+ boarddata->cd_type = ESDHC_CD_CONTROLLER;
+
+ if (of_get_property(np, "fsl,wp-controller", NULL))
+ boarddata->wp_type = ESDHC_WP_CONTROLLER;
+
+ boarddata->cd_gpio = of_get_named_gpio(np, "cd-gpios", 0);
+ if (gpio_is_valid(boarddata->cd_gpio))
+ boarddata->cd_type = ESDHC_CD_GPIO;
+
+ boarddata->wp_gpio = of_get_named_gpio(np, "wp-gpios", 0);
+ if (gpio_is_valid(boarddata->wp_gpio))
+ boarddata->wp_type = ESDHC_WP_GPIO;
+
+ return 0;
+}
+#else
+static inline int
+sdhci_esdhc_imx_probe_dt(struct platform_device *pdev,
+ struct esdhc_platform_data *boarddata)
+{
+ return -ENODEV;
+}
+#endif
+
static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev)
{
+ const struct of_device_id *of_id =
+ of_match_device(imx_esdhc_dt_ids, &pdev->dev);
struct sdhci_pltfm_host *pltfm_host;
struct sdhci_host *host;
struct esdhc_platform_data *boarddata;
@@ -242,8 +358,14 @@
pltfm_host = sdhci_priv(host);
imx_data = kzalloc(sizeof(struct pltfm_imx_data), GFP_KERNEL);
- if (!imx_data)
- return -ENOMEM;
+ if (!imx_data) {
+ err = -ENOMEM;
+ goto err_imx_data;
+ }
+
+ if (of_id)
+ pdev->id_entry = of_id->data;
+ imx_data->devtype = pdev->id_entry->driver_data;
pltfm_host->priv = imx_data;
clk = clk_get(mmc_dev(host->mmc), NULL);
@@ -255,50 +377,72 @@
clk_enable(clk);
pltfm_host->clk = clk;
- if (!cpu_is_mx25())
+ if (!is_imx25_esdhc(imx_data))
host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
- if (cpu_is_mx25() || cpu_is_mx35()) {
+ if (is_imx25_esdhc(imx_data) || is_imx35_esdhc(imx_data))
/* Fix errata ENGcm07207 present on i.MX25 and i.MX35 */
host->quirks |= SDHCI_QUIRK_NO_MULTIBLOCK;
- /* write_protect can't be routed to controller, use gpio */
- sdhci_esdhc_ops.get_ro = esdhc_pltfm_get_ro;
- }
- if (!(cpu_is_mx25() || cpu_is_mx35() || cpu_is_mx51()))
+ if (is_imx53_esdhc(imx_data))
imx_data->flags |= ESDHC_FLAG_MULTIBLK_NO_INT;
- boarddata = host->mmc->parent->platform_data;
- if (boarddata) {
+ boarddata = &imx_data->boarddata;
+ if (sdhci_esdhc_imx_probe_dt(pdev, boarddata) < 0) {
+ if (!host->mmc->parent->platform_data) {
+ dev_err(mmc_dev(host->mmc), "no board data!\n");
+ err = -EINVAL;
+ goto no_board_data;
+ }
+ imx_data->boarddata = *((struct esdhc_platform_data *)
+ host->mmc->parent->platform_data);
+ }
+
+ /* write_protect */
+ if (boarddata->wp_type == ESDHC_WP_GPIO) {
err = gpio_request_one(boarddata->wp_gpio, GPIOF_IN, "ESDHC_WP");
if (err) {
dev_warn(mmc_dev(host->mmc),
- "no write-protect pin available!\n");
- boarddata->wp_gpio = err;
+ "no write-protect pin available!\n");
+ boarddata->wp_gpio = -EINVAL;
}
+ } else {
+ boarddata->wp_gpio = -EINVAL;
+ }
+ /* card_detect */
+ if (boarddata->cd_type != ESDHC_CD_GPIO)
+ boarddata->cd_gpio = -EINVAL;
+
+ switch (boarddata->cd_type) {
+ case ESDHC_CD_GPIO:
err = gpio_request_one(boarddata->cd_gpio, GPIOF_IN, "ESDHC_CD");
if (err) {
- dev_warn(mmc_dev(host->mmc),
+ dev_err(mmc_dev(host->mmc),
"no card-detect pin available!\n");
goto no_card_detect_pin;
}
- /* i.MX5x has issues to be researched */
- if (!cpu_is_mx25() && !cpu_is_mx35())
- goto not_supported;
-
err = request_irq(gpio_to_irq(boarddata->cd_gpio), cd_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
mmc_hostname(host->mmc), host);
if (err) {
- dev_warn(mmc_dev(host->mmc), "request irq error\n");
+ dev_err(mmc_dev(host->mmc), "request irq error\n");
goto no_card_detect_irq;
}
+ /* fall through */
- imx_data->flags |= ESDHC_FLAG_GPIO_FOR_CD;
- /* Now we have a working card_detect again */
+ case ESDHC_CD_CONTROLLER:
+ /* we have a working card_detect back */
host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION;
+ break;
+
+ case ESDHC_CD_PERMANENT:
+ host->mmc->caps = MMC_CAP_NONREMOVABLE;
+ break;
+
+ case ESDHC_CD_NONE:
+ break;
}
err = sdhci_add_host(host);
@@ -307,16 +451,21 @@
return 0;
- no_card_detect_irq:
- gpio_free(boarddata->cd_gpio);
- no_card_detect_pin:
- boarddata->cd_gpio = err;
- not_supported:
- kfree(imx_data);
- err_add_host:
+err_add_host:
+ if (gpio_is_valid(boarddata->cd_gpio))
+ free_irq(gpio_to_irq(boarddata->cd_gpio), host);
+no_card_detect_irq:
+ if (gpio_is_valid(boarddata->cd_gpio))
+ gpio_free(boarddata->cd_gpio);
+ if (gpio_is_valid(boarddata->wp_gpio))
+ gpio_free(boarddata->wp_gpio);
+no_card_detect_pin:
+no_board_data:
clk_disable(pltfm_host->clk);
clk_put(pltfm_host->clk);
- err_clk_get:
+err_clk_get:
+ kfree(imx_data);
+err_imx_data:
sdhci_pltfm_free(pdev);
return err;
}
@@ -325,20 +474,18 @@
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
- struct esdhc_platform_data *boarddata = host->mmc->parent->platform_data;
struct pltfm_imx_data *imx_data = pltfm_host->priv;
+ struct esdhc_platform_data *boarddata = &imx_data->boarddata;
int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff);
sdhci_remove_host(host, dead);
- if (boarddata && gpio_is_valid(boarddata->wp_gpio))
+ if (gpio_is_valid(boarddata->wp_gpio))
gpio_free(boarddata->wp_gpio);
- if (boarddata && gpio_is_valid(boarddata->cd_gpio)) {
+ if (gpio_is_valid(boarddata->cd_gpio)) {
+ free_irq(gpio_to_irq(boarddata->cd_gpio), host);
gpio_free(boarddata->cd_gpio);
-
- if (!(host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION))
- free_irq(gpio_to_irq(boarddata->cd_gpio), host);
}
clk_disable(pltfm_host->clk);
@@ -354,7 +501,9 @@
.driver = {
.name = "sdhci-esdhc-imx",
.owner = THIS_MODULE,
+ .of_match_table = imx_esdhc_dt_ids,
},
+ .id_table = imx_esdhc_devtype,
.probe = sdhci_esdhc_imx_probe,
.remove = __devexit_p(sdhci_esdhc_imx_remove),
#ifdef CONFIG_PM
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index 71c0ce1..6414efe 100644
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -85,6 +85,7 @@
{
struct sdhci_host *host;
struct sdhci_pltfm_host *pltfm_host;
+ struct device_node *np = pdev->dev.of_node;
struct resource *iomem;
int ret;
@@ -98,7 +99,7 @@
dev_err(&pdev->dev, "Invalid iomem size!\n");
/* Some PCI-based MFD need the parent here */
- if (pdev->dev.parent != &platform_bus)
+ if (pdev->dev.parent != &platform_bus && !np)
host = sdhci_alloc_host(pdev->dev.parent, sizeof(*pltfm_host));
else
host = sdhci_alloc_host(&pdev->dev, sizeof(*pltfm_host));
diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index 5b631fe..e8266cc 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -44,6 +44,10 @@
#include <linux/platform_device.h>
#include <linux/phy.h>
#include <linux/fec.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_gpio.h>
+#include <linux/of_net.h>
#include <asm/cacheflush.h>
@@ -66,17 +70,42 @@
#define FEC_QUIRK_ENET_MAC (1 << 0)
/* Controller needs driver to swap frame */
#define FEC_QUIRK_SWAP_FRAME (1 << 1)
+/* Controller uses gasket */
+#define FEC_QUIRK_USE_GASKET (1 << 2)
static struct platform_device_id fec_devtype[] = {
{
+ /* keep it for coldfire */
.name = DRIVER_NAME,
.driver_data = 0,
}, {
+ .name = "imx25-fec",
+ .driver_data = FEC_QUIRK_USE_GASKET,
+ }, {
+ .name = "imx27-fec",
+ .driver_data = 0,
+ }, {
.name = "imx28-fec",
.driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME,
- },
- { }
+ }, {
+ /* sentinel */
+ }
};
+MODULE_DEVICE_TABLE(platform, fec_devtype);
+
+enum imx_fec_type {
+ IMX25_FEC = 1, /* runs on i.mx25/50/53 */
+ IMX27_FEC, /* runs on i.mx27/35/51 */
+ IMX28_FEC,
+};
+
+static const struct of_device_id fec_dt_ids[] = {
+ { .compatible = "fsl,imx25-fec", .data = &fec_devtype[IMX25_FEC], },
+ { .compatible = "fsl,imx27-fec", .data = &fec_devtype[IMX27_FEC], },
+ { .compatible = "fsl,imx28-fec", .data = &fec_devtype[IMX28_FEC], },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, fec_dt_ids);
static unsigned char macaddr[ETH_ALEN];
module_param_array(macaddr, byte, NULL, 0);
@@ -427,7 +456,7 @@
} else {
#ifdef FEC_MIIGSK_ENR
- if (fep->phy_interface == PHY_INTERFACE_MODE_RMII) {
+ if (id_entry->driver_data & FEC_QUIRK_USE_GASKET) {
/* disable the gasket and wait */
writel(0, fep->hwp + FEC_MIIGSK_ENR);
while (readl(fep->hwp + FEC_MIIGSK_ENR) & 4)
@@ -436,8 +465,11 @@
/*
* configure the gasket:
* RMII, 50 MHz, no loopback, no echo
+ * MII, 25 MHz, no loopback, no echo
*/
- writel(1, fep->hwp + FEC_MIIGSK_CFGR);
+ writel((fep->phy_interface == PHY_INTERFACE_MODE_RMII) ?
+ 1 : 0, fep->hwp + FEC_MIIGSK_CFGR);
+
/* re-enable the gasket */
writel(2, fep->hwp + FEC_MIIGSK_ENR);
@@ -734,8 +766,22 @@
*/
iap = macaddr;
+#ifdef CONFIG_OF
/*
- * 2) from flash or fuse (via platform data)
+ * 2) from device tree data
+ */
+ if (!is_valid_ether_addr(iap)) {
+ struct device_node *np = fep->pdev->dev.of_node;
+ if (np) {
+ const char *mac = of_get_mac_address(np);
+ if (mac)
+ iap = (unsigned char *) mac;
+ }
+ }
+#endif
+
+ /*
+ * 3) from flash or fuse (via platform data)
*/
if (!is_valid_ether_addr(iap)) {
#ifdef CONFIG_M5272
@@ -748,7 +794,7 @@
}
/*
- * 3) FEC mac registers set by bootloader
+ * 4) FEC mac registers set by bootloader
*/
if (!is_valid_ether_addr(iap)) {
*((unsigned long *) &tmpaddr[0]) =
@@ -1354,6 +1400,52 @@
return 0;
}
+#ifdef CONFIG_OF
+static int __devinit fec_get_phy_mode_dt(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+
+ if (np)
+ return of_get_phy_mode(np);
+
+ return -ENODEV;
+}
+
+static int __devinit fec_reset_phy(struct platform_device *pdev)
+{
+ int err, phy_reset;
+ struct device_node *np = pdev->dev.of_node;
+
+ if (!np)
+ return -ENODEV;
+
+ phy_reset = of_get_named_gpio(np, "phy-reset-gpios", 0);
+ err = gpio_request_one(phy_reset, GPIOF_OUT_INIT_LOW, "phy-reset");
+ if (err) {
+ pr_warn("FEC: failed to get gpio phy-reset: %d\n", err);
+ return err;
+ }
+ msleep(1);
+ gpio_set_value(phy_reset, 1);
+
+ return 0;
+}
+#else /* CONFIG_OF */
+static inline int fec_get_phy_mode_dt(struct platform_device *pdev)
+{
+ return -ENODEV;
+}
+
+static inline int fec_reset_phy(struct platform_device *pdev)
+{
+ /*
+ * In case of platform probe, the reset has been done
+ * by machine code.
+ */
+ return 0;
+}
+#endif /* CONFIG_OF */
+
static int __devinit
fec_probe(struct platform_device *pdev)
{
@@ -1362,6 +1454,11 @@
struct net_device *ndev;
int i, irq, ret = 0;
struct resource *r;
+ const struct of_device_id *of_id;
+
+ of_id = of_match_device(fec_dt_ids, &pdev->dev);
+ if (of_id)
+ pdev->id_entry = of_id->data;
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!r)
@@ -1393,9 +1490,18 @@
platform_set_drvdata(pdev, ndev);
- pdata = pdev->dev.platform_data;
- if (pdata)
- fep->phy_interface = pdata->phy;
+ ret = fec_get_phy_mode_dt(pdev);
+ if (ret < 0) {
+ pdata = pdev->dev.platform_data;
+ if (pdata)
+ fep->phy_interface = pdata->phy;
+ else
+ fep->phy_interface = PHY_INTERFACE_MODE_MII;
+ } else {
+ fep->phy_interface = ret;
+ }
+
+ fec_reset_phy(pdev);
/* This device has up to three irqs on some platforms */
for (i = 0; i < 3; i++) {
@@ -1530,6 +1636,7 @@
#ifdef CONFIG_PM
.pm = &fec_pm_ops,
#endif
+ .of_match_table = fec_dt_ids,
},
.id_table = fec_devtype,
.probe = fec_probe,
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 725399e..70cb7d8 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -39,6 +39,7 @@
#include <linux/bitops.h>
#include <linux/workqueue.h>
#include <linux/of.h>
+#include <linux/of_net.h>
#include <linux/slab.h>
#include <asm/processor.h>
@@ -2506,18 +2507,6 @@
{
struct device_node *np = dev->ofdev->dev.of_node;
const void *p;
- unsigned int plen;
- const char *pm, *phy_modes[] = {
- [PHY_MODE_NA] = "",
- [PHY_MODE_MII] = "mii",
- [PHY_MODE_RMII] = "rmii",
- [PHY_MODE_SMII] = "smii",
- [PHY_MODE_RGMII] = "rgmii",
- [PHY_MODE_TBI] = "tbi",
- [PHY_MODE_GMII] = "gmii",
- [PHY_MODE_RTBI] = "rtbi",
- [PHY_MODE_SGMII] = "sgmii",
- };
/* Read config from device-tree */
if (emac_read_uint_prop(np, "mal-device", &dev->mal_ph, 1))
@@ -2566,23 +2555,9 @@
dev->mal_burst_size = 256;
/* PHY mode needs some decoding */
- dev->phy_mode = PHY_MODE_NA;
- pm = of_get_property(np, "phy-mode", &plen);
- if (pm != NULL) {
- int i;
- for (i = 0; i < ARRAY_SIZE(phy_modes); i++)
- if (!strcasecmp(pm, phy_modes[i])) {
- dev->phy_mode = i;
- break;
- }
- }
-
- /* Backward compat with non-final DT */
- if (dev->phy_mode == PHY_MODE_NA && pm != NULL && plen == 4) {
- u32 nmode = *(const u32 *)pm;
- if (nmode > PHY_MODE_NA && nmode <= PHY_MODE_SGMII)
- dev->phy_mode = nmode;
- }
+ dev->phy_mode = of_get_phy_mode(np);
+ if (dev->phy_mode < 0)
+ dev->phy_mode = PHY_MODE_NA;
/* Check EMAC version */
if (of_device_is_compatible(np, "ibm,emac4sync")) {
diff --git a/drivers/net/ibm_newemac/emac.h b/drivers/net/ibm_newemac/emac.h
index 8a61b59..1568278 100644
--- a/drivers/net/ibm_newemac/emac.h
+++ b/drivers/net/ibm_newemac/emac.h
@@ -26,6 +26,7 @@
#define __IBM_NEWEMAC_H
#include <linux/types.h>
+#include <linux/phy.h>
/* EMAC registers Write Access rules */
struct emac_regs {
@@ -106,15 +107,15 @@
/*
* PHY mode settings (EMAC <-> ZMII/RGMII bridge <-> PHY)
*/
-#define PHY_MODE_NA 0
-#define PHY_MODE_MII 1
-#define PHY_MODE_RMII 2
-#define PHY_MODE_SMII 3
-#define PHY_MODE_RGMII 4
-#define PHY_MODE_TBI 5
-#define PHY_MODE_GMII 6
-#define PHY_MODE_RTBI 7
-#define PHY_MODE_SGMII 8
+#define PHY_MODE_NA PHY_INTERFACE_MODE_NA
+#define PHY_MODE_MII PHY_INTERFACE_MODE_MII
+#define PHY_MODE_RMII PHY_INTERFACE_MODE_RMII
+#define PHY_MODE_SMII PHY_INTERFACE_MODE_SMII
+#define PHY_MODE_RGMII PHY_INTERFACE_MODE_RGMII
+#define PHY_MODE_TBI PHY_INTERFACE_MODE_TBI
+#define PHY_MODE_GMII PHY_INTERFACE_MODE_GMII
+#define PHY_MODE_RTBI PHY_INTERFACE_MODE_RTBI
+#define PHY_MODE_SGMII PHY_INTERFACE_MODE_SGMII
/* EMACx_MR0 */
#define EMAC_MR0_RXI 0x80000000
diff --git a/drivers/net/ibm_newemac/phy.c b/drivers/net/ibm_newemac/phy.c
index ac9d964..ab4e596 100644
--- a/drivers/net/ibm_newemac/phy.c
+++ b/drivers/net/ibm_newemac/phy.c
@@ -28,12 +28,15 @@
#include "emac.h"
#include "phy.h"
-static inline int phy_read(struct mii_phy *phy, int reg)
+#define phy_read _phy_read
+#define phy_write _phy_write
+
+static inline int _phy_read(struct mii_phy *phy, int reg)
{
return phy->mdio_read(phy->dev, phy->address, reg);
}
-static inline void phy_write(struct mii_phy *phy, int reg, int val)
+static inline void _phy_write(struct mii_phy *phy, int reg, int val)
{
phy->mdio_write(phy->dev, phy->address, reg, val);
}
diff --git a/drivers/of/of_net.c b/drivers/of/of_net.c
index 86f334a..bb18471 100644
--- a/drivers/of/of_net.c
+++ b/drivers/of/of_net.c
@@ -8,6 +8,51 @@
#include <linux/etherdevice.h>
#include <linux/kernel.h>
#include <linux/of_net.h>
+#include <linux/phy.h>
+
+/**
+ * It maps 'enum phy_interface_t' found in include/linux/phy.h
+ * into the device tree binding of 'phy-mode', so that Ethernet
+ * device driver can get phy interface from device tree.
+ */
+static const char *phy_modes[] = {
+ [PHY_INTERFACE_MODE_NA] = "",
+ [PHY_INTERFACE_MODE_MII] = "mii",
+ [PHY_INTERFACE_MODE_GMII] = "gmii",
+ [PHY_INTERFACE_MODE_SGMII] = "sgmii",
+ [PHY_INTERFACE_MODE_TBI] = "tbi",
+ [PHY_INTERFACE_MODE_RMII] = "rmii",
+ [PHY_INTERFACE_MODE_RGMII] = "rgmii",
+ [PHY_INTERFACE_MODE_RGMII_ID] = "rgmii-id",
+ [PHY_INTERFACE_MODE_RGMII_RXID] = "rgmii-rxid",
+ [PHY_INTERFACE_MODE_RGMII_TXID] = "rgmii-txid",
+ [PHY_INTERFACE_MODE_RTBI] = "rtbi",
+ [PHY_INTERFACE_MODE_SMII] = "smii",
+};
+
+/**
+ * of_get_phy_mode - Get phy mode for given device_node
+ * @np: Pointer to the given device_node
+ *
+ * The function gets phy interface string from property 'phy-mode',
+ * and return its index in phy_modes table, or errno in error case.
+ */
+const int of_get_phy_mode(struct device_node *np)
+{
+ const char *pm;
+ int err, i;
+
+ err = of_property_read_string(np, "phy-mode", &pm);
+ if (err < 0)
+ return err;
+
+ for (i = 0; i < ARRAY_SIZE(phy_modes); i++)
+ if (!strcasecmp(pm, phy_modes[i]))
+ return i;
+
+ return -ENODEV;
+}
+EXPORT_SYMBOL_GPL(of_get_phy_mode);
/**
* Search the device tree for the best MAC address to use. 'mac-address' is
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 22fe801..827db76 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -45,10 +45,11 @@
#include <linux/delay.h>
#include <linux/rational.h>
#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
#include <asm/io.h>
#include <asm/irq.h>
-#include <mach/hardware.h>
#include <mach/imx-uart.h>
/* Register definitions */
@@ -66,8 +67,9 @@
#define UBIR 0xa4 /* BRM Incremental Register */
#define UBMR 0xa8 /* BRM Modulator Register */
#define UBRC 0xac /* Baud Rate Count Register */
-#define MX2_ONEMS 0xb0 /* One Millisecond register */
-#define UTS (cpu_is_mx1() ? 0xd0 : 0xb4) /* UART Test Register */
+#define IMX21_ONEMS 0xb0 /* One Millisecond register */
+#define IMX1_UTS 0xd0 /* UART Test Register on i.mx1 */
+#define IMX21_UTS 0xb4 /* UART Test Register on all other i.mx*/
/* UART Control Register Bit Fields.*/
#define URXD_CHARRDY (1<<15)
@@ -87,7 +89,7 @@
#define UCR1_RTSDEN (1<<5) /* RTS delta interrupt enable */
#define UCR1_SNDBRK (1<<4) /* Send break */
#define UCR1_TDMAEN (1<<3) /* Transmitter ready DMA enable */
-#define MX1_UCR1_UARTCLKEN (1<<2) /* UART clock enabled, mx1 only */
+#define IMX1_UCR1_UARTCLKEN (1<<2) /* UART clock enabled, i.mx1 only */
#define UCR1_DOZE (1<<1) /* Doze */
#define UCR1_UARTEN (1<<0) /* UART enabled */
#define UCR2_ESCI (1<<15) /* Escape seq interrupt enable */
@@ -113,9 +115,7 @@
#define UCR3_RXDSEN (1<<6) /* Receive status interrupt enable */
#define UCR3_AIRINTEN (1<<5) /* Async IR wake interrupt enable */
#define UCR3_AWAKEN (1<<4) /* Async wake interrupt enable */
-#define MX1_UCR3_REF25 (1<<3) /* Ref freq 25 MHz, only on mx1 */
-#define MX1_UCR3_REF30 (1<<2) /* Ref Freq 30 MHz, only on mx1 */
-#define MX2_UCR3_RXDMUXSEL (1<<2) /* RXD Muxed Input Select, on mx2/mx3 */
+#define IMX21_UCR3_RXDMUXSEL (1<<2) /* RXD Muxed Input Select */
#define UCR3_INVT (1<<1) /* Inverted Infrared transmission */
#define UCR3_BPEN (1<<0) /* Preset registers enable */
#define UCR4_CTSTL_SHF 10 /* CTS trigger level shift */
@@ -181,6 +181,18 @@
#define UART_NR 8
+/* i.mx21 type uart runs on all i.mx except i.mx1 */
+enum imx_uart_type {
+ IMX1_UART,
+ IMX21_UART,
+};
+
+/* device type dependent stuff */
+struct imx_uart_data {
+ unsigned uts_reg;
+ enum imx_uart_type devtype;
+};
+
struct imx_port {
struct uart_port port;
struct timer_list timer;
@@ -192,6 +204,7 @@
unsigned int irda_inv_tx:1;
unsigned short trcv_delay; /* transceiver delay */
struct clk *clk;
+ struct imx_uart_data *devdata;
};
#ifdef CONFIG_IRDA
@@ -200,6 +213,52 @@
#define USE_IRDA(sport) (0)
#endif
+static struct imx_uart_data imx_uart_devdata[] = {
+ [IMX1_UART] = {
+ .uts_reg = IMX1_UTS,
+ .devtype = IMX1_UART,
+ },
+ [IMX21_UART] = {
+ .uts_reg = IMX21_UTS,
+ .devtype = IMX21_UART,
+ },
+};
+
+static struct platform_device_id imx_uart_devtype[] = {
+ {
+ .name = "imx1-uart",
+ .driver_data = (kernel_ulong_t) &imx_uart_devdata[IMX1_UART],
+ }, {
+ .name = "imx21-uart",
+ .driver_data = (kernel_ulong_t) &imx_uart_devdata[IMX21_UART],
+ }, {
+ /* sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(platform, imx_uart_devtype);
+
+static struct of_device_id imx_uart_dt_ids[] = {
+ { .compatible = "fsl,imx1-uart", .data = &imx_uart_devdata[IMX1_UART], },
+ { .compatible = "fsl,imx21-uart", .data = &imx_uart_devdata[IMX21_UART], },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, imx_uart_dt_ids);
+
+static inline unsigned uts_reg(struct imx_port *sport)
+{
+ return sport->devdata->uts_reg;
+}
+
+static inline int is_imx1_uart(struct imx_port *sport)
+{
+ return sport->devdata->devtype == IMX1_UART;
+}
+
+static inline int is_imx21_uart(struct imx_port *sport)
+{
+ return sport->devdata->devtype == IMX21_UART;
+}
+
/*
* Handle any change of modem status signal since we were last called.
*/
@@ -326,7 +385,8 @@
struct circ_buf *xmit = &sport->port.state->xmit;
while (!uart_circ_empty(xmit) &&
- !(readl(sport->port.membase + UTS) & UTS_TXFULL)) {
+ !(readl(sport->port.membase + uts_reg(sport))
+ & UTS_TXFULL)) {
/* send xmit->buf[xmit->tail]
* out the port here */
writel(xmit->buf[xmit->tail], sport->port.membase + URTX0);
@@ -373,7 +433,7 @@
writel(temp, sport->port.membase + UCR4);
}
- if (readl(sport->port.membase + UTS) & UTS_TXEMPTY)
+ if (readl(sport->port.membase + uts_reg(sport)) & UTS_TXEMPTY)
imx_transmit_buffer(sport);
}
@@ -689,9 +749,9 @@
}
}
- if (!cpu_is_mx1()) {
+ if (is_imx21_uart(sport)) {
temp = readl(sport->port.membase + UCR3);
- temp |= MX2_UCR3_RXDMUXSEL;
+ temp |= IMX21_UCR3_RXDMUXSEL;
writel(temp, sport->port.membase + UCR3);
}
@@ -923,9 +983,9 @@
writel(num, sport->port.membase + UBIR);
writel(denom, sport->port.membase + UBMR);
- if (!cpu_is_mx1())
+ if (is_imx21_uart(sport))
writel(sport->port.uartclk / div / 1000,
- sport->port.membase + MX2_ONEMS);
+ sport->port.membase + IMX21_ONEMS);
writel(old_ucr1, sport->port.membase + UCR1);
@@ -1041,7 +1101,7 @@
{
struct imx_port *sport = (struct imx_port *)port;
- while (readl(sport->port.membase + UTS) & UTS_TXFULL)
+ while (readl(sport->port.membase + uts_reg(sport)) & UTS_TXFULL)
barrier();
writel(ch, sport->port.membase + URTX0);
@@ -1062,8 +1122,8 @@
ucr1 = old_ucr1 = readl(sport->port.membase + UCR1);
old_ucr2 = readl(sport->port.membase + UCR2);
- if (cpu_is_mx1())
- ucr1 |= MX1_UCR1_UARTCLKEN;
+ if (is_imx1_uart(sport))
+ ucr1 |= IMX1_UCR1_UARTCLKEN;
ucr1 |= UCR1_UARTEN;
ucr1 &= ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN);
@@ -1222,6 +1282,63 @@
return 0;
}
+#ifdef CONFIG_OF
+static int serial_imx_probe_dt(struct imx_port *sport,
+ struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ const struct of_device_id *of_id =
+ of_match_device(imx_uart_dt_ids, &pdev->dev);
+ int ret;
+
+ if (!np)
+ return -ENODEV;
+
+ ret = of_alias_get_id(np, "serial");
+ if (ret < 0) {
+ pr_err("%s: failed to get alias id, errno %d\n",
+ __func__, ret);
+ return -ENODEV;
+ } else {
+ sport->port.line = ret;
+ }
+
+ if (of_get_property(np, "fsl,uart-has-rtscts", NULL))
+ sport->have_rtscts = 1;
+
+ if (of_get_property(np, "fsl,irda-mode", NULL))
+ sport->use_irda = 1;
+
+ sport->devdata = of_id->data;
+
+ return 0;
+}
+#else
+static inline int serial_imx_probe_dt(struct imx_port *sport,
+ struct platform_device *pdev)
+{
+ return -ENODEV;
+}
+#endif
+
+static void serial_imx_probe_pdata(struct imx_port *sport,
+ struct platform_device *pdev)
+{
+ struct imxuart_platform_data *pdata = pdev->dev.platform_data;
+
+ sport->port.line = pdev->id;
+ sport->devdata = (struct imx_uart_data *) pdev->id_entry->driver_data;
+
+ if (!pdata)
+ return;
+
+ if (pdata->flags & IMXUART_HAVE_RTSCTS)
+ sport->have_rtscts = 1;
+
+ if (pdata->flags & IMXUART_IRDA)
+ sport->use_irda = 1;
+}
+
static int serial_imx_probe(struct platform_device *pdev)
{
struct imx_port *sport;
@@ -1234,6 +1351,10 @@
if (!sport)
return -ENOMEM;
+ ret = serial_imx_probe_dt(sport, pdev);
+ if (ret == -ENODEV)
+ serial_imx_probe_pdata(sport, pdev);
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
ret = -ENODEV;
@@ -1258,7 +1379,6 @@
sport->port.fifosize = 32;
sport->port.ops = &imx_pops;
sport->port.flags = UPF_BOOT_AUTOCONF;
- sport->port.line = pdev->id;
init_timer(&sport->timer);
sport->timer.function = imx_timeout;
sport->timer.data = (unsigned long)sport;
@@ -1272,17 +1392,9 @@
sport->port.uartclk = clk_get_rate(sport->clk);
- imx_ports[pdev->id] = sport;
+ imx_ports[sport->port.line] = sport;
pdata = pdev->dev.platform_data;
- if (pdata && (pdata->flags & IMXUART_HAVE_RTSCTS))
- sport->have_rtscts = 1;
-
-#ifdef CONFIG_IRDA
- if (pdata && (pdata->flags & IMXUART_IRDA))
- sport->use_irda = 1;
-#endif
-
if (pdata && pdata->init) {
ret = pdata->init(pdev);
if (ret)
@@ -1340,9 +1452,11 @@
.suspend = serial_imx_suspend,
.resume = serial_imx_resume,
+ .id_table = imx_uart_devtype,
.driver = {
.name = "imx-uart",
.owner = THIS_MODULE,
+ .of_match_table = imx_uart_dt_ids,
},
};
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 5f69504..87a06f3 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -108,14 +108,18 @@
};
struct msi_desc;
+struct irq_domain;
/**
* struct irq_data - per irq and irq chip data passed down to chip functions
* @irq: interrupt number
+ * @hwirq: hardware interrupt number, local to the interrupt domain
* @node: node index useful for balancing
* @state_use_accessors: status information for irq chip functions.
* Use accessor functions to deal with it
* @chip: low level interrupt hardware access
+ * @domain: Interrupt translation domain; responsible for mapping
+ * between hwirq number and linux irq number.
* @handler_data: per-IRQ data for the irq_chip methods
* @chip_data: platform-specific per-chip private data for the chip
* methods, to allow shared chip implementations
@@ -128,9 +132,11 @@
*/
struct irq_data {
unsigned int irq;
+ unsigned long hwirq;
unsigned int node;
unsigned int state_use_accessors;
struct irq_chip *chip;
+ struct irq_domain *domain;
void *handler_data;
void *chip_data;
struct msi_desc *msi_desc;
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
new file mode 100644
index 0000000..e807ad6
--- /dev/null
+++ b/include/linux/irqdomain.h
@@ -0,0 +1,91 @@
+/*
+ * irq_domain - IRQ translation domains
+ *
+ * Translation infrastructure between hw and linux irq numbers. This is
+ * helpful for interrupt controllers to implement mapping between hardware
+ * irq numbers and the Linux irq number space.
+ *
+ * irq_domains also have a hook for translating device tree interrupt
+ * representation into a hardware irq number that can be mapped back to a
+ * Linux irq number without any extra platform support code.
+ *
+ * irq_domain is expected to be embedded in an interrupt controller's private
+ * data structure.
+ */
+#ifndef _LINUX_IRQDOMAIN_H
+#define _LINUX_IRQDOMAIN_H
+
+#include <linux/irq.h>
+#include <linux/mod_devicetable.h>
+
+#ifdef CONFIG_IRQ_DOMAIN
+struct device_node;
+struct irq_domain;
+
+/**
+ * struct irq_domain_ops - Methods for irq_domain objects
+ * @to_irq: (optional) given a local hardware irq number, return the linux
+ * irq number. If to_irq is not implemented, then the irq_domain
+ * will use this translation: irq = (domain->irq_base + hwirq)
+ * @dt_translate: Given a device tree node and interrupt specifier, decode
+ * the hardware irq number and linux irq type value.
+ */
+struct irq_domain_ops {
+ unsigned int (*to_irq)(struct irq_domain *d, unsigned long hwirq);
+
+#ifdef CONFIG_OF
+ int (*dt_translate)(struct irq_domain *d, struct device_node *node,
+ const u32 *intspec, unsigned int intsize,
+ unsigned long *out_hwirq, unsigned int *out_type);
+#endif /* CONFIG_OF */
+};
+
+/**
+ * struct irq_domain - Hardware interrupt number translation object
+ * @list: Element in global irq_domain list.
+ * @irq_base: Start of irq_desc range assigned to the irq_domain. The creator
+ * of the irq_domain is responsible for allocating the array of
+ * irq_desc structures.
+ * @nr_irq: Number of irqs managed by the irq domain
+ * @ops: pointer to irq_domain methods
+ * @priv: private data pointer for use by owner. Not touched by irq_domain
+ * core code.
+ * @of_node: (optional) Pointer to device tree nodes associated with the
+ * irq_domain. Used when decoding device tree interrupt specifiers.
+ */
+struct irq_domain {
+ struct list_head list;
+ unsigned int irq_base;
+ unsigned int nr_irq;
+ const struct irq_domain_ops *ops;
+ void *priv;
+ struct device_node *of_node;
+};
+
+/**
+ * irq_domain_to_irq() - Translate from a hardware irq to a linux irq number
+ *
+ * Returns the linux irq number associated with a hardware irq. By default,
+ * the mapping is irq == domain->irq_base + hwirq, but this mapping can
+ * be overridden if the irq_domain implements a .to_irq() hook.
+ */
+static inline unsigned int irq_domain_to_irq(struct irq_domain *d,
+ unsigned long hwirq)
+{
+ return d->ops->to_irq ? d->ops->to_irq(d, hwirq) : d->irq_base + hwirq;
+}
+
+extern void irq_domain_add(struct irq_domain *domain);
+extern void irq_domain_del(struct irq_domain *domain);
+#endif /* CONFIG_IRQ_DOMAIN */
+
+#if defined(CONFIG_IRQ_DOMAIN) && defined(CONFIG_OF_IRQ)
+extern void irq_domain_add_simple(struct device_node *controller, int irq_base);
+extern void irq_domain_generate_simple(const struct of_device_id *match,
+ u64 phys_base, unsigned int irq_start);
+#else /* CONFIG_IRQ_DOMAIN && CONFIG_OF_IRQ */
+static inline void irq_domain_generate_simple(const struct of_device_id *match,
+ u64 phys_base, unsigned int irq_start) { }
+#endif /* CONFIG_IRQ_DOMAIN && CONFIG_OF_IRQ */
+
+#endif /* _LINUX_IRQDOMAIN_H */
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index e6955f5..cd2e61c 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -63,6 +63,9 @@
extern unsigned int irq_create_of_mapping(struct device_node *controller,
const u32 *intspec,
unsigned int intsize);
+#ifdef CONFIG_IRQ_DOMAIN
+extern void irq_dispose_mapping(unsigned int irq);
+#endif
extern int of_irq_to_resource(struct device_node *dev, int index,
struct resource *r);
extern int of_irq_count(struct device_node *dev);
@@ -70,6 +73,7 @@
struct resource *res, int nr_irqs);
extern struct device_node *of_irq_find_parent(struct device_node *child);
+
#endif /* CONFIG_OF_IRQ */
#endif /* CONFIG_OF */
#endif /* __OF_IRQ_H */
diff --git a/include/linux/of_net.h b/include/linux/of_net.h
index e913081..f474641 100644
--- a/include/linux/of_net.h
+++ b/include/linux/of_net.h
@@ -9,6 +9,7 @@
#ifdef CONFIG_OF_NET
#include <linux/of.h>
+extern const int of_get_phy_mode(struct device_node *np);
extern const void *of_get_mac_address(struct device_node *np);
#endif
diff --git a/include/linux/phy.h b/include/linux/phy.h
index ad51863..54fc413 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -53,6 +53,7 @@
/* Interface Mode definitions */
typedef enum {
+ PHY_INTERFACE_MODE_NA,
PHY_INTERFACE_MODE_MII,
PHY_INTERFACE_MODE_GMII,
PHY_INTERFACE_MODE_SGMII,
@@ -62,7 +63,8 @@
PHY_INTERFACE_MODE_RGMII_ID,
PHY_INTERFACE_MODE_RGMII_RXID,
PHY_INTERFACE_MODE_RGMII_TXID,
- PHY_INTERFACE_MODE_RTBI
+ PHY_INTERFACE_MODE_RTBI,
+ PHY_INTERFACE_MODE_SMII,
} phy_interface_t;
diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig
index d1d051b3..5a38bf4 100644
--- a/kernel/irq/Kconfig
+++ b/kernel/irq/Kconfig
@@ -52,6 +52,10 @@
config GENERIC_IRQ_CHIP
bool
+# Generic irq_domain hw <--> linux irq number translation
+config IRQ_DOMAIN
+ bool
+
# Support forced irq threading
config IRQ_FORCED_THREADING
bool
diff --git a/kernel/irq/Makefile b/kernel/irq/Makefile
index 7329005..fff1738 100644
--- a/kernel/irq/Makefile
+++ b/kernel/irq/Makefile
@@ -2,6 +2,7 @@
obj-y := irqdesc.o handle.o manage.o spurious.o resend.o chip.o dummychip.o devres.o
obj-$(CONFIG_GENERIC_IRQ_CHIP) += generic-chip.o
obj-$(CONFIG_GENERIC_IRQ_PROBE) += autoprobe.o
+obj-$(CONFIG_IRQ_DOMAIN) += irqdomain.o
obj-$(CONFIG_PROC_FS) += proc.o
obj-$(CONFIG_GENERIC_PENDING_IRQ) += migration.o
obj-$(CONFIG_PM_SLEEP) += pm.o
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
new file mode 100644
index 0000000..d5828da
--- /dev/null
+++ b/kernel/irq/irqdomain.c
@@ -0,0 +1,180 @@
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/slab.h>
+
+static LIST_HEAD(irq_domain_list);
+static DEFINE_MUTEX(irq_domain_mutex);
+
+/**
+ * irq_domain_add() - Register an irq_domain
+ * @domain: ptr to initialized irq_domain structure
+ *
+ * Registers an irq_domain structure. The irq_domain must at a minimum be
+ * initialized with an ops structure pointer, and either a ->to_irq hook or
+ * a valid irq_base value. Everything else is optional.
+ */
+void irq_domain_add(struct irq_domain *domain)
+{
+ struct irq_data *d;
+ int hwirq;
+
+ /*
+ * This assumes that the irq_domain owner has already allocated
+ * the irq_descs. This block will be removed when support for dynamic
+ * allocation of irq_descs is added to irq_domain.
+ */
+ for (hwirq = 0; hwirq < domain->nr_irq; hwirq++) {
+ d = irq_get_irq_data(irq_domain_to_irq(domain, hwirq));
+ if (d || d->domain) {
+ /* things are broken; just report, don't clean up */
+ WARN(1, "error: irq_desc already assigned to a domain");
+ return;
+ }
+ d->domain = domain;
+ d->hwirq = hwirq;
+ }
+
+ mutex_lock(&irq_domain_mutex);
+ list_add(&domain->list, &irq_domain_list);
+ mutex_unlock(&irq_domain_mutex);
+}
+
+/**
+ * irq_domain_del() - Unregister an irq_domain
+ * @domain: ptr to registered irq_domain.
+ */
+void irq_domain_del(struct irq_domain *domain)
+{
+ struct irq_data *d;
+ int hwirq;
+
+ mutex_lock(&irq_domain_mutex);
+ list_del(&domain->list);
+ mutex_unlock(&irq_domain_mutex);
+
+ /* Clear the irq_domain assignments */
+ for (hwirq = 0; hwirq < domain->nr_irq; hwirq++) {
+ d = irq_get_irq_data(irq_domain_to_irq(domain, hwirq));
+ d->domain = NULL;
+ }
+}
+
+#if defined(CONFIG_OF_IRQ)
+/**
+ * irq_create_of_mapping() - Map a linux irq number from a DT interrupt spec
+ *
+ * Used by the device tree interrupt mapping code to translate a device tree
+ * interrupt specifier to a valid linux irq number. Returns either a valid
+ * linux IRQ number or 0.
+ *
+ * When the caller no longer need the irq number returned by this function it
+ * should arrange to call irq_dispose_mapping().
+ */
+unsigned int irq_create_of_mapping(struct device_node *controller,
+ const u32 *intspec, unsigned int intsize)
+{
+ struct irq_domain *domain;
+ unsigned long hwirq;
+ unsigned int irq, type;
+ int rc = -EINVAL;
+
+ /* Find a domain which can translate the irq spec */
+ mutex_lock(&irq_domain_mutex);
+ list_for_each_entry(domain, &irq_domain_list, list) {
+ if (!domain->ops->dt_translate)
+ continue;
+ rc = domain->ops->dt_translate(domain, controller,
+ intspec, intsize, &hwirq, &type);
+ if (rc == 0)
+ break;
+ }
+ mutex_unlock(&irq_domain_mutex);
+
+ if (rc != 0)
+ return 0;
+
+ irq = irq_domain_to_irq(domain, hwirq);
+ if (type != IRQ_TYPE_NONE)
+ irq_set_irq_type(irq, type);
+ pr_debug("%s: mapped hwirq=%i to irq=%i, flags=%x\n",
+ controller->full_name, (int)hwirq, irq, type);
+ return irq;
+}
+EXPORT_SYMBOL_GPL(irq_create_of_mapping);
+
+/**
+ * irq_dispose_mapping() - Discard a mapping created by irq_create_of_mapping()
+ * @irq: linux irq number to be discarded
+ *
+ * Calling this function indicates the caller no longer needs a reference to
+ * the linux irq number returned by a prior call to irq_create_of_mapping().
+ */
+void irq_dispose_mapping(unsigned int irq)
+{
+ /*
+ * nothing yet; will be filled when support for dynamic allocation of
+ * irq_descs is added to irq_domain
+ */
+}
+EXPORT_SYMBOL_GPL(irq_dispose_mapping);
+
+int irq_domain_simple_dt_translate(struct irq_domain *d,
+ struct device_node *controller,
+ const u32 *intspec, unsigned int intsize,
+ unsigned long *out_hwirq, unsigned int *out_type)
+{
+ if (d->of_node != controller)
+ return -EINVAL;
+ if (intsize < 1)
+ return -EINVAL;
+
+ *out_hwirq = intspec[0];
+ *out_type = IRQ_TYPE_NONE;
+ if (intsize > 1)
+ *out_type = intspec[1] & IRQ_TYPE_SENSE_MASK;
+ return 0;
+}
+
+struct irq_domain_ops irq_domain_simple_ops = {
+ .dt_translate = irq_domain_simple_dt_translate,
+};
+EXPORT_SYMBOL_GPL(irq_domain_simple_ops);
+
+/**
+ * irq_domain_create_simple() - Set up a 'simple' translation range
+ */
+void irq_domain_add_simple(struct device_node *controller, int irq_base)
+{
+ struct irq_domain *domain;
+
+ domain = kzalloc(sizeof(*domain), GFP_KERNEL);
+ if (!domain) {
+ WARN_ON(1);
+ return;
+ }
+
+ domain->irq_base = irq_base;
+ domain->of_node = of_node_get(controller);
+ domain->ops = &irq_domain_simple_ops;
+ irq_domain_add(domain);
+}
+EXPORT_SYMBOL_GPL(irq_domain_add_simple);
+
+void irq_domain_generate_simple(const struct of_device_id *match,
+ u64 phys_base, unsigned int irq_start)
+{
+ struct device_node *node;
+ pr_info("looking for phys_base=%llx, irq_start=%i\n",
+ (unsigned long long) phys_base, (int) irq_start);
+ node = of_find_matching_node_by_address(NULL, match, phys_base);
+ if (node)
+ irq_domain_add_simple(node, irq_start);
+ else
+ pr_info("no node found\n");
+}
+EXPORT_SYMBOL_GPL(irq_domain_generate_simple);
+#endif /* CONFIG_OF_IRQ */
