| /* |
| * Copyright (C) 2013 Broadcom Corporation |
| * Copyright 2013 Linaro Limited |
| * |
| * 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 version 2. |
| * |
| * This program is distributed "as is" WITHOUT ANY WARRANTY of any |
| * kind, whether express or implied; without even the implied warranty |
| * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include "clk-kona.h" |
| #include "dt-bindings/clock/bcm281xx.h" |
| |
| #define BCM281XX_CCU_COMMON(_name, _ccuname) \ |
| KONA_CCU_COMMON(BCM281XX, _name, _ccuname) |
| |
| /* Root CCU */ |
| |
| static struct peri_clk_data frac_1m_data = { |
| .gate = HW_SW_GATE(0x214, 16, 0, 1), |
| .trig = TRIGGER(0x0e04, 0), |
| .div = FRAC_DIVIDER(0x0e00, 0, 22, 16), |
| .clocks = CLOCKS("ref_crystal"), |
| }; |
| |
| static struct ccu_data root_ccu_data = { |
| BCM281XX_CCU_COMMON(root, ROOT), |
| .kona_clks = { |
| [BCM281XX_ROOT_CCU_FRAC_1M] = |
| KONA_CLK(root, frac_1m, peri), |
| [BCM281XX_ROOT_CCU_CLOCK_COUNT] = LAST_KONA_CLK, |
| }, |
| }; |
| |
| /* AON CCU */ |
| |
| static struct peri_clk_data hub_timer_data = { |
| .gate = HW_SW_GATE(0x0414, 16, 0, 1), |
| .clocks = CLOCKS("bbl_32k", |
| "frac_1m", |
| "dft_19_5m"), |
| .sel = SELECTOR(0x0a10, 0, 2), |
| .trig = TRIGGER(0x0a40, 4), |
| }; |
| |
| static struct peri_clk_data pmu_bsc_data = { |
| .gate = HW_SW_GATE(0x0418, 16, 0, 1), |
| .clocks = CLOCKS("ref_crystal", |
| "pmu_bsc_var", |
| "bbl_32k"), |
| .sel = SELECTOR(0x0a04, 0, 2), |
| .div = DIVIDER(0x0a04, 3, 4), |
| .trig = TRIGGER(0x0a40, 0), |
| }; |
| |
| static struct peri_clk_data pmu_bsc_var_data = { |
| .clocks = CLOCKS("var_312m", |
| "ref_312m"), |
| .sel = SELECTOR(0x0a00, 0, 2), |
| .div = DIVIDER(0x0a00, 4, 5), |
| .trig = TRIGGER(0x0a40, 2), |
| }; |
| |
| static struct ccu_data aon_ccu_data = { |
| BCM281XX_CCU_COMMON(aon, AON), |
| .kona_clks = { |
| [BCM281XX_AON_CCU_HUB_TIMER] = |
| KONA_CLK(aon, hub_timer, peri), |
| [BCM281XX_AON_CCU_PMU_BSC] = |
| KONA_CLK(aon, pmu_bsc, peri), |
| [BCM281XX_AON_CCU_PMU_BSC_VAR] = |
| KONA_CLK(aon, pmu_bsc_var, peri), |
| [BCM281XX_AON_CCU_CLOCK_COUNT] = LAST_KONA_CLK, |
| }, |
| }; |
| |
| /* Hub CCU */ |
| |
| static struct peri_clk_data tmon_1m_data = { |
| .gate = HW_SW_GATE(0x04a4, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "frac_1m"), |
| .sel = SELECTOR(0x0e74, 0, 2), |
| .trig = TRIGGER(0x0e84, 1), |
| }; |
| |
| static struct ccu_data hub_ccu_data = { |
| BCM281XX_CCU_COMMON(hub, HUB), |
| .kona_clks = { |
| [BCM281XX_HUB_CCU_TMON_1M] = |
| KONA_CLK(hub, tmon_1m, peri), |
| [BCM281XX_HUB_CCU_CLOCK_COUNT] = LAST_KONA_CLK, |
| }, |
| }; |
| |
| /* Master CCU */ |
| |
| static struct peri_clk_data sdio1_data = { |
| .gate = HW_SW_GATE(0x0358, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_52m", |
| "ref_52m", |
| "var_96m", |
| "ref_96m"), |
| .sel = SELECTOR(0x0a28, 0, 3), |
| .div = DIVIDER(0x0a28, 4, 14), |
| .trig = TRIGGER(0x0afc, 9), |
| }; |
| |
| static struct peri_clk_data sdio2_data = { |
| .gate = HW_SW_GATE(0x035c, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_52m", |
| "ref_52m", |
| "var_96m", |
| "ref_96m"), |
| .sel = SELECTOR(0x0a2c, 0, 3), |
| .div = DIVIDER(0x0a2c, 4, 14), |
| .trig = TRIGGER(0x0afc, 10), |
| }; |
| |
| static struct peri_clk_data sdio3_data = { |
| .gate = HW_SW_GATE(0x0364, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_52m", |
| "ref_52m", |
| "var_96m", |
| "ref_96m"), |
| .sel = SELECTOR(0x0a34, 0, 3), |
| .div = DIVIDER(0x0a34, 4, 14), |
| .trig = TRIGGER(0x0afc, 12), |
| }; |
| |
| static struct peri_clk_data sdio4_data = { |
| .gate = HW_SW_GATE(0x0360, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_52m", |
| "ref_52m", |
| "var_96m", |
| "ref_96m"), |
| .sel = SELECTOR(0x0a30, 0, 3), |
| .div = DIVIDER(0x0a30, 4, 14), |
| .trig = TRIGGER(0x0afc, 11), |
| }; |
| |
| static struct peri_clk_data usb_ic_data = { |
| .gate = HW_SW_GATE(0x0354, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_96m", |
| "ref_96m"), |
| .div = FIXED_DIVIDER(2), |
| .sel = SELECTOR(0x0a24, 0, 2), |
| .trig = TRIGGER(0x0afc, 7), |
| }; |
| |
| /* also called usbh_48m */ |
| static struct peri_clk_data hsic2_48m_data = { |
| .gate = HW_SW_GATE(0x0370, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_96m", |
| "ref_96m"), |
| .sel = SELECTOR(0x0a38, 0, 2), |
| .div = FIXED_DIVIDER(2), |
| .trig = TRIGGER(0x0afc, 5), |
| }; |
| |
| /* also called usbh_12m */ |
| static struct peri_clk_data hsic2_12m_data = { |
| .gate = HW_SW_GATE(0x0370, 20, 4, 5), |
| .div = DIVIDER(0x0a38, 12, 2), |
| .clocks = CLOCKS("ref_crystal", |
| "var_96m", |
| "ref_96m"), |
| .pre_div = FIXED_DIVIDER(2), |
| .sel = SELECTOR(0x0a38, 0, 2), |
| .trig = TRIGGER(0x0afc, 5), |
| }; |
| |
| static struct ccu_data master_ccu_data = { |
| BCM281XX_CCU_COMMON(master, MASTER), |
| .kona_clks = { |
| [BCM281XX_MASTER_CCU_SDIO1] = |
| KONA_CLK(master, sdio1, peri), |
| [BCM281XX_MASTER_CCU_SDIO2] = |
| KONA_CLK(master, sdio2, peri), |
| [BCM281XX_MASTER_CCU_SDIO3] = |
| KONA_CLK(master, sdio3, peri), |
| [BCM281XX_MASTER_CCU_SDIO4] = |
| KONA_CLK(master, sdio4, peri), |
| [BCM281XX_MASTER_CCU_USB_IC] = |
| KONA_CLK(master, usb_ic, peri), |
| [BCM281XX_MASTER_CCU_HSIC2_48M] = |
| KONA_CLK(master, hsic2_48m, peri), |
| [BCM281XX_MASTER_CCU_HSIC2_12M] = |
| KONA_CLK(master, hsic2_12m, peri), |
| [BCM281XX_MASTER_CCU_CLOCK_COUNT] = LAST_KONA_CLK, |
| }, |
| }; |
| |
| /* Slave CCU */ |
| |
| static struct peri_clk_data uartb_data = { |
| .gate = HW_SW_GATE(0x0400, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_156m", |
| "ref_156m"), |
| .sel = SELECTOR(0x0a10, 0, 2), |
| .div = FRAC_DIVIDER(0x0a10, 4, 12, 8), |
| .trig = TRIGGER(0x0afc, 2), |
| }; |
| |
| static struct peri_clk_data uartb2_data = { |
| .gate = HW_SW_GATE(0x0404, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_156m", |
| "ref_156m"), |
| .sel = SELECTOR(0x0a14, 0, 2), |
| .div = FRAC_DIVIDER(0x0a14, 4, 12, 8), |
| .trig = TRIGGER(0x0afc, 3), |
| }; |
| |
| static struct peri_clk_data uartb3_data = { |
| .gate = HW_SW_GATE(0x0408, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_156m", |
| "ref_156m"), |
| .sel = SELECTOR(0x0a18, 0, 2), |
| .div = FRAC_DIVIDER(0x0a18, 4, 12, 8), |
| .trig = TRIGGER(0x0afc, 4), |
| }; |
| |
| static struct peri_clk_data uartb4_data = { |
| .gate = HW_SW_GATE(0x0408, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_156m", |
| "ref_156m"), |
| .sel = SELECTOR(0x0a1c, 0, 2), |
| .div = FRAC_DIVIDER(0x0a1c, 4, 12, 8), |
| .trig = TRIGGER(0x0afc, 5), |
| }; |
| |
| static struct peri_clk_data ssp0_data = { |
| .gate = HW_SW_GATE(0x0410, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_104m", |
| "ref_104m", |
| "var_96m", |
| "ref_96m"), |
| .sel = SELECTOR(0x0a20, 0, 3), |
| .div = DIVIDER(0x0a20, 4, 14), |
| .trig = TRIGGER(0x0afc, 6), |
| }; |
| |
| static struct peri_clk_data ssp2_data = { |
| .gate = HW_SW_GATE(0x0418, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_104m", |
| "ref_104m", |
| "var_96m", |
| "ref_96m"), |
| .sel = SELECTOR(0x0a28, 0, 3), |
| .div = DIVIDER(0x0a28, 4, 14), |
| .trig = TRIGGER(0x0afc, 8), |
| }; |
| |
| static struct peri_clk_data bsc1_data = { |
| .gate = HW_SW_GATE(0x0458, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_104m", |
| "ref_104m", |
| "var_13m", |
| "ref_13m"), |
| .sel = SELECTOR(0x0a64, 0, 3), |
| .trig = TRIGGER(0x0afc, 23), |
| }; |
| |
| static struct peri_clk_data bsc2_data = { |
| .gate = HW_SW_GATE(0x045c, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_104m", |
| "ref_104m", |
| "var_13m", |
| "ref_13m"), |
| .sel = SELECTOR(0x0a68, 0, 3), |
| .trig = TRIGGER(0x0afc, 24), |
| }; |
| |
| static struct peri_clk_data bsc3_data = { |
| .gate = HW_SW_GATE(0x0484, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_104m", |
| "ref_104m", |
| "var_13m", |
| "ref_13m"), |
| .sel = SELECTOR(0x0a84, 0, 3), |
| .trig = TRIGGER(0x0b00, 2), |
| }; |
| |
| static struct peri_clk_data pwm_data = { |
| .gate = HW_SW_GATE(0x0468, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_104m"), |
| .sel = SELECTOR(0x0a70, 0, 2), |
| .div = DIVIDER(0x0a70, 4, 3), |
| .trig = TRIGGER(0x0afc, 15), |
| }; |
| |
| static struct bus_clk_data bsc3_apb_data = { |
| .policy = POLICY(0x0048, 4), |
| .gate = HW_SW_GATE(0x0484, 16, 0, 1), |
| }; |
| |
| static struct ccu_data slave_ccu_data = { |
| BCM281XX_CCU_COMMON(slave, SLAVE), |
| .policy = { |
| .enable = CCU_LVM_EN(0x0034, 0), |
| .control = CCU_POLICY_CTL(0x000c, 0, 1, 2), |
| }, |
| .kona_clks = { |
| [BCM281XX_SLAVE_CCU_UARTB] = |
| KONA_CLK(slave, uartb, peri), |
| [BCM281XX_SLAVE_CCU_UARTB2] = |
| KONA_CLK(slave, uartb2, peri), |
| [BCM281XX_SLAVE_CCU_UARTB3] = |
| KONA_CLK(slave, uartb3, peri), |
| [BCM281XX_SLAVE_CCU_UARTB4] = |
| KONA_CLK(slave, uartb4, peri), |
| [BCM281XX_SLAVE_CCU_SSP0] = |
| KONA_CLK(slave, ssp0, peri), |
| [BCM281XX_SLAVE_CCU_SSP2] = |
| KONA_CLK(slave, ssp2, peri), |
| [BCM281XX_SLAVE_CCU_BSC1] = |
| KONA_CLK(slave, bsc1, peri), |
| [BCM281XX_SLAVE_CCU_BSC2] = |
| KONA_CLK(slave, bsc2, peri), |
| [BCM281XX_SLAVE_CCU_BSC3] = |
| KONA_CLK_PREREQ(slave, bsc3, peri, bsc3_apb), |
| [BCM281XX_SLAVE_CCU_PWM] = |
| KONA_CLK(slave, pwm, peri), |
| [BCM281XX_SLAVE_CCU_BSC3_APB] = |
| KONA_CLK(slave, bsc3_apb, bus), |
| [BCM281XX_SLAVE_CCU_CLOCK_COUNT] = LAST_KONA_CLK, |
| }, |
| }; |
| |
| /* Device tree match table callback functions */ |
| |
| static void __init kona_dt_root_ccu_setup(struct device_node *node) |
| { |
| kona_dt_ccu_setup(&root_ccu_data, node); |
| } |
| |
| static void __init kona_dt_aon_ccu_setup(struct device_node *node) |
| { |
| kona_dt_ccu_setup(&aon_ccu_data, node); |
| } |
| |
| static void __init kona_dt_hub_ccu_setup(struct device_node *node) |
| { |
| kona_dt_ccu_setup(&hub_ccu_data, node); |
| } |
| |
| static void __init kona_dt_master_ccu_setup(struct device_node *node) |
| { |
| kona_dt_ccu_setup(&master_ccu_data, node); |
| } |
| |
| static void __init kona_dt_slave_ccu_setup(struct device_node *node) |
| { |
| kona_dt_ccu_setup(&slave_ccu_data, node); |
| } |
| |
| CLK_OF_DECLARE(bcm281xx_root_ccu, BCM281XX_DT_ROOT_CCU_COMPAT, |
| kona_dt_root_ccu_setup); |
| CLK_OF_DECLARE(bcm281xx_aon_ccu, BCM281XX_DT_AON_CCU_COMPAT, |
| kona_dt_aon_ccu_setup); |
| CLK_OF_DECLARE(bcm281xx_hub_ccu, BCM281XX_DT_HUB_CCU_COMPAT, |
| kona_dt_hub_ccu_setup); |
| CLK_OF_DECLARE(bcm281xx_master_ccu, BCM281XX_DT_MASTER_CCU_COMPAT, |
| kona_dt_master_ccu_setup); |
| CLK_OF_DECLARE(bcm281xx_slave_ccu, BCM281XX_DT_SLAVE_CCU_COMPAT, |
| kona_dt_slave_ccu_setup); |
