Merge tag 'v3.20-next-arm64' of https://github.com/mbgg/linux-mediatek into next/arm64
Merge "ARM: mediatek: arm64 changes for v3.20" from Matthias Brugger:
Add support for mt8173 SoC from Mediatek.
- add DT bindings documentation
- add dts files for SoC and evaluation board
- add to Kconfig and defconfig
* tag 'v3.20-next-arm64' of https://github.com/mbgg/linux-mediatek:
arm64: mediatek: Add MT8173 SoC Kconfig and defconfig
arm64: dts: Add mediatek MT8173 SoC and evaluation board dts and Makefile
Document: DT: Add bindings for mediatek MT8173 SoC Platform
Signed-off-by: Olof Johansson <olof@lixom.net>
diff --git a/Documentation/devicetree/bindings/arm/mediatek.txt b/Documentation/devicetree/bindings/arm/mediatek.txt
index 3be4013..dd7550a 100644
--- a/Documentation/devicetree/bindings/arm/mediatek.txt
+++ b/Documentation/devicetree/bindings/arm/mediatek.txt
@@ -9,6 +9,7 @@
"mediatek,mt6592"
"mediatek,mt8127"
"mediatek,mt8135"
+ "mediatek,mt8173"
Supported boards:
@@ -25,3 +26,6 @@
- MTK mt8135 tablet EVB:
Required root node properties:
- compatible = "mediatek,mt8135-evbp1", "mediatek,mt8135";
+- MTK mt8173 tablet EVB:
+ Required root node properties:
+ - compatible = "mediatek,mt8173-evb", "mediatek,mt8173";
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,sysirq.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,sysirq.txt
index d680b07..8794f8d 100644
--- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,sysirq.txt
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,sysirq.txt
@@ -5,6 +5,7 @@
Required properties:
- compatible: should be one of:
+ "mediatek,mt8173-sysirq"
"mediatek,mt8135-sysirq"
"mediatek,mt8127-sysirq"
"mediatek,mt6589-sysirq"
diff --git a/Documentation/devicetree/bindings/serial/mtk-uart.txt b/Documentation/devicetree/bindings/serial/mtk-uart.txt
index 48358a3..0e41b6e 100644
--- a/Documentation/devicetree/bindings/serial/mtk-uart.txt
+++ b/Documentation/devicetree/bindings/serial/mtk-uart.txt
@@ -2,9 +2,11 @@
Required properties:
- compatible should contain:
+ * "mediatek,mt8173-uart" for MT8173 compatible UARTS
* "mediatek,mt6589-uart" for MT6589 compatible UARTS
* "mediatek,mt6582-uart" for MT6582 compatible UARTS
- * "mediatek,mt6577-uart" for all compatible UARTS (MT6589, MT6582, MT6577)
+ * "mediatek,mt6577-uart" for all compatible UARTS (MT8173, MT6589, MT6582,
+ MT6577)
- reg: The base address of the UART register bank.
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 9c6b93c..0d0c01c 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -165,6 +165,12 @@
help
This enables support for Samsung Exynos7 SoC family
+config ARCH_MEDIATEK
+ bool "Mediatek MT65xx & MT81xx ARMv8 SoC"
+ select ARM_GIC
+ help
+ Support for Mediatek MT65xx & MT81xx ARMv8 SoCs
+
config ARCH_SEATTLE
bool "AMD Seattle SoC Family"
help
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 68633e2..538c0c6 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -4,6 +4,7 @@
dts-dirs += cavium
dts-dirs += exynos
dts-dirs += freescale
+dts-dirs += mediatek
always := $(dtb-y)
subdir-y := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
new file mode 100644
index 0000000..3ce2462
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -0,0 +1,5 @@
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-evb.dtb
+
+always := $(dtb-y)
+subdir-y := $(dts-dirs)
+clean-files := *.dtb
diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
new file mode 100644
index 0000000..43d5401
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: Eddie Huang <eddie.huang@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+/dts-v1/;
+#include "mt8173.dtsi"
+
+/ {
+ model = "mediatek,mt8173-evb";
+
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart1;
+ serial2 = &uart2;
+ serial3 = &uart3;
+ };
+
+ memory@40000000 {
+ device_type = "memory";
+ reg = <0 0x40000000 0 0x80000000>;
+ };
+
+ chosen { };
+};
+
+&uart0 {
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
new file mode 100644
index 0000000..8554ec3
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -0,0 +1,168 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: Eddie Huang <eddie.huang@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+ compatible = "mediatek,mt8173";
+ interrupt-parent = <&sysirq>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&cpu0>;
+ };
+ core1 {
+ cpu = <&cpu1>;
+ };
+ };
+
+ cluster1 {
+ core0 {
+ cpu = <&cpu2>;
+ };
+ core1 {
+ cpu = <&cpu3>;
+ };
+ };
+ };
+
+ cpu0: cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ reg = <0x000>;
+ };
+
+ cpu1: cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ reg = <0x001>;
+ enable-method = "psci";
+ };
+
+ cpu2: cpu@100 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a57";
+ reg = <0x100>;
+ enable-method = "psci";
+ };
+
+ cpu3: cpu@101 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a57";
+ reg = <0x101>;
+ enable-method = "psci";
+ };
+ };
+
+ psci {
+ compatible = "arm,psci";
+ method = "smc";
+ cpu_suspend = <0x84000001>;
+ cpu_off = <0x84000002>;
+ cpu_on = <0x84000003>;
+ };
+
+ uart_clk: dummy26m {
+ compatible = "fixed-clock";
+ clock-frequency = <26000000>;
+ #clock-cells = <0>;
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_PPI 13
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+ };
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ compatible = "simple-bus";
+ ranges;
+
+ sysirq: intpol-controller@10200620 {
+ compatible = "mediatek,mt8173-sysirq",
+ "mediatek,mt6577-sysirq";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ interrupt-parent = <&gic>;
+ reg = <0 0x10200620 0 0x20>;
+ };
+
+ gic: interrupt-controller@10220000 {
+ compatible = "arm,gic-400";
+ #interrupt-cells = <3>;
+ interrupt-parent = <&gic>;
+ interrupt-controller;
+ reg = <0 0x10221000 0 0x1000>,
+ <0 0x10222000 0 0x2000>,
+ <0 0x10224000 0 0x2000>,
+ <0 0x10226000 0 0x2000>;
+ interrupts = <GIC_PPI 9
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+ };
+
+ uart0: serial@11002000 {
+ compatible = "mediatek,mt8173-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11002000 0 0x400>;
+ interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&uart_clk>;
+ status = "disabled";
+ };
+
+ uart1: serial@11003000 {
+ compatible = "mediatek,mt8173-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11003000 0 0x400>;
+ interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&uart_clk>;
+ status = "disabled";
+ };
+
+ uart2: serial@11004000 {
+ compatible = "mediatek,mt8173-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11004000 0 0x400>;
+ interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&uart_clk>;
+ status = "disabled";
+ };
+
+ uart3: serial@11005000 {
+ compatible = "mediatek,mt8173-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11005000 0 0x400>;
+ interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&uart_clk>;
+ status = "disabled";
+ };
+ };
+
+};
+
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 24c2334..d6a53e8 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -32,6 +32,7 @@
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
CONFIG_ARCH_FSL_LS2085A=y
+CONFIG_ARCH_MEDIATEK=y
CONFIG_ARCH_THUNDER=y
CONFIG_ARCH_VEXPRESS=y
CONFIG_ARCH_XGENE=y
@@ -87,6 +88,7 @@
CONFIG_LEGACY_PTY_COUNT=16
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_MT6577=y
CONFIG_SERIAL_AMBA_PL011=y
CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
CONFIG_SERIAL_OF_PLATFORM=y
