[PATCH] ARM: EXYNOS: Adds Samsung TRATS board support
HeungJun, Kim
riverful.kim at samsung.com
Fri Jan 27 03:21:23 EST 2012
This patch adds Samsung Mobile TRATS board support.
Signed-off-by: HeungJun, Kim <riverful.kim at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
arch/arm/mach-exynos/Kconfig | 11 ++
arch/arm/mach-exynos/Makefile | 1 +
arch/arm/mach-exynos/mach-trats.c | 344 +++++++++++++++++++++++++++++++++++++
3 files changed, 356 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-exynos/mach-trats.c
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 5d602f6..b698e4c 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -318,6 +318,17 @@ config MACH_ORIGEN
help
Machine support for ORIGEN based on Samsung EXYNOS4210
+config MACH_TRATS
+ bool "Mobile TRATS Board"
+ select CPU_EXYNOS4210
+ select S3C_DEV_WDT
+ select S3C_DEV_HSMMC
+ select S3C_DEV_I2C5
+ select EXYNOS4_SETUP_I2C5
+ select EXYNOS4_SETUP_SDHCI
+ help
+ Machine support for Samsung Mobile TRATS Board.
+
comment "EXYNOS4212 Boards"
config MACH_SMDK4212
diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
index 5fc202c..9432a21 100644
--- a/arch/arm/mach-exynos/Makefile
+++ b/arch/arm/mach-exynos/Makefile
@@ -35,6 +35,7 @@ obj-$(CONFIG_MACH_ARMLEX4210) += mach-armlex4210.o
obj-$(CONFIG_MACH_UNIVERSAL_C210) += mach-universal_c210.o
obj-$(CONFIG_MACH_NURI) += mach-nuri.o
obj-$(CONFIG_MACH_ORIGEN) += mach-origen.o
+obj-$(CONFIG_MACH_TRATS) += mach-trats.o
obj-$(CONFIG_MACH_SMDK4212) += mach-smdk4x12.o
obj-$(CONFIG_MACH_SMDK4412) += mach-smdk4x12.o
diff --git a/arch/arm/mach-exynos/mach-trats.c b/arch/arm/mach-exynos/mach-trats.c
new file mode 100644
index 0000000..65c7069
--- /dev/null
+++ b/arch/arm/mach-exynos/mach-trats.c
@@ -0,0 +1,344 @@
+/*
+ * linux/arch/arm/mach-exynos/board-trats.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *
+ * 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.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/serial_core.h>
+#include <linux/i2c.h>
+#include <linux/gpio.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+#include <linux/mfd/max8997.h>
+#include <linux/mfd/max8997-private.h>
+#include <linux/mmc/host.h>
+
+#include <asm/mach/arch.h>
+#include <asm/hardware/gic.h>
+#include <asm/mach-types.h>
+
+#include <plat/regs-serial.h>
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/sdhci.h>
+#include <plat/clock.h>
+#include <plat/gpio-cfg.h>
+#include <plat/iic.h>
+
+#include <mach/map.h>
+
+#include "common.h"
+
+/* Following are default values for UCON, ULCON and UFCON UART registers */
+#define TRATS_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
+ S3C2410_UCON_RXILEVEL | \
+ S3C2410_UCON_TXIRQMODE | \
+ S3C2410_UCON_RXIRQMODE | \
+ S3C2410_UCON_RXFIFO_TOI | \
+ S3C2443_UCON_RXERR_IRQEN)
+
+#define TRATS_ULCON_DEFAULT S3C2410_LCON_CS8
+
+#define TRATS_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
+ S5PV210_UFCON_TXTRIG256 | \
+ S5PV210_UFCON_RXTRIG256)
+
+enum fixed_regulator_id {
+ FIXED_REG_ID_MMC = 0,
+};
+
+static struct s3c2410_uartcfg trats_uartcfgs[] __initdata = {
+ {
+ .hwport = 0,
+ .ucon = TRATS_UCON_DEFAULT,
+ .ulcon = TRATS_ULCON_DEFAULT,
+ .ufcon = TRATS_UFCON_DEFAULT,
+ },
+ {
+ .hwport = 1,
+ .ucon = TRATS_UCON_DEFAULT,
+ .ulcon = TRATS_ULCON_DEFAULT,
+ .ufcon = TRATS_UFCON_DEFAULT,
+ },
+ {
+ .hwport = 2,
+ .ucon = TRATS_UCON_DEFAULT,
+ .ulcon = TRATS_ULCON_DEFAULT,
+ .ufcon = TRATS_UFCON_DEFAULT,
+ },
+ {
+ .hwport = 3,
+ .ucon = TRATS_UCON_DEFAULT,
+ .ulcon = TRATS_ULCON_DEFAULT,
+ .ufcon = TRATS_UFCON_DEFAULT,
+ },
+};
+
+/* eMMC */
+static struct s3c_sdhci_platdata trats_hsmmc0_data __initdata = {
+ .max_width = 8,
+ .host_caps = (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
+ MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
+ MMC_CAP_DISABLE | MMC_CAP_ERASE),
+ .cd_type = S3C_SDHCI_CD_PERMANENT,
+ .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
+};
+
+static struct regulator_consumer_supply emmc_supplies[] = {
+ REGULATOR_SUPPLY("vmmc", "s3c-sdhci.0"),
+};
+
+static struct regulator_init_data emmc_fixed_voltage_init_data = {
+ .constraints = {
+ .name = "VMEM_VDD_2.8V",
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(emmc_supplies),
+ .consumer_supplies = emmc_supplies,
+};
+
+static struct fixed_voltage_config emmc_fixed_voltage_config = {
+ .supply_name = "MASSMEMORY_EN",
+ .microvolts = 2800000,
+ .gpio = EXYNOS4_GPK0(2),
+ .enable_high = true,
+ .init_data = &emmc_fixed_voltage_init_data,
+};
+
+static struct platform_device emmc_fixed_voltage = {
+ .name = "reg-fixed-voltage",
+ .id = FIXED_REG_ID_MMC,
+ .dev = {
+ .platform_data = &emmc_fixed_voltage_config,
+ },
+};
+
+static void __init trats_sdhci_init(void)
+{
+ s3c_sdhci0_set_platdata(&trats_hsmmc0_data);
+}
+
+static struct regulator_consumer_supply __initdata max8997_buck1_[] = {
+ REGULATOR_SUPPLY("vdd_arm", NULL), /* CPUFREQ */
+};
+static struct regulator_consumer_supply __initdata max8997_buck2_[] = {
+ REGULATOR_SUPPLY("vdd_int", NULL), /* CPUFREQ */
+};
+
+static struct regulator_init_data __initdata max8997_ldo2_data = {
+ .constraints = {
+ .name = "VALIVE_1.1V_C210",
+ .min_uV = 1100000,
+ .max_uV = 1100000,
+ .apply_uV = 1,
+ .always_on = 1,
+ .state_mem = {
+ .enabled = 1,
+ },
+ },
+};
+
+static struct regulator_init_data __initdata max8997_ldo6_data = {
+ .constraints = {
+ .name = "VCC_1.8V_PDA",
+ .min_uV = 1800000,
+ .max_uV = 1800000,
+ .apply_uV = 1,
+ .always_on = 1,
+ .state_mem = {
+ .enabled = 1,
+ },
+ },
+};
+
+static struct regulator_init_data __initdata max8997_ldo9_data = {
+ .constraints = {
+ .name = "VCC_2.8V_PDA",
+ .min_uV = 2800000,
+ .max_uV = 2800000,
+ .apply_uV = 1,
+ .always_on = 1,
+ .state_mem = {
+ .enabled = 1,
+ },
+ },
+};
+
+static struct regulator_init_data __initdata max8997_ldo10_data = {
+ .constraints = {
+ .name = "VPLL_1.1V_C210",
+ .min_uV = 1100000,
+ .max_uV = 1100000,
+ .apply_uV = 1,
+ .always_on = 1,
+ .state_mem = {
+ .disabled = 1,
+ },
+ },
+};
+
+static struct regulator_init_data __initdata max8997_buck1_data = {
+ .constraints = {
+ .name = "VARM_1.2V_C210",
+ .min_uV = 900000,
+ .max_uV = 1350000,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+ .always_on = 1,
+ .state_mem = {
+ .disabled = 1,
+ },
+ },
+ .num_consumer_supplies = ARRAY_SIZE(max8997_buck1_),
+ .consumer_supplies = max8997_buck1_,
+};
+
+static struct regulator_init_data __initdata max8997_buck2_data = {
+ .constraints = {
+ .name = "VINT_1.1V_C210",
+ .min_uV = 900000,
+ .max_uV = 1100000,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+ .always_on = 1,
+ .state_mem = {
+ .disabled = 1,
+ },
+ },
+ .num_consumer_supplies = ARRAY_SIZE(max8997_buck2_),
+ .consumer_supplies = max8997_buck2_,
+};
+
+static struct regulator_init_data __initdata max8997_buck5_data = {
+ .constraints = {
+ .name = "VMEM_1.2V_C210",
+ .min_uV = 1200000,
+ .max_uV = 1200000,
+ .apply_uV = 1,
+ .always_on = 1,
+ .state_mem = {
+ .enabled = 1,
+ },
+ },
+};
+
+static struct regulator_init_data __initdata max8997_buck6_data = {
+ .constraints = {
+ .name = "V_BAT",
+ .min_uV = 2800000,
+ .max_uV = 2800000,
+ .always_on = 1,
+ .state_mem = {
+ .enabled = 1,
+ },
+ },
+};
+
+static struct max8997_regulator_data __initdata trats_max8997_regulators[] = {
+ { MAX8997_LDO2, &max8997_ldo2_data },
+ { MAX8997_LDO6, &max8997_ldo6_data },
+ { MAX8997_LDO9, &max8997_ldo9_data },
+ { MAX8997_LDO10, &max8997_ldo10_data },
+
+ { MAX8997_BUCK1, &max8997_buck1_data },
+ { MAX8997_BUCK2, &max8997_buck2_data },
+ { MAX8997_BUCK5, &max8997_buck5_data },
+ { MAX8997_BUCK6, &max8997_buck6_data },
+};
+
+static struct max8997_platform_data __initdata trats_max8997_pdata = {
+ .wakeup = 1,
+
+ .num_regulators = ARRAY_SIZE(trats_max8997_regulators),
+ .regulators = trats_max8997_regulators,
+
+ .buck125_gpios = { EXYNOS4_GPX0(5), EXYNOS4_GPX0(6), EXYNOS4_GPL0(0) },
+
+ .buck1_voltage[0] = 1350000, /* 1.35V */
+ .buck1_voltage[1] = 1300000, /* 1.3V */
+ .buck1_voltage[2] = 1250000, /* 1.25V */
+ .buck1_voltage[3] = 1200000, /* 1.2V */
+ .buck1_voltage[4] = 1150000, /* 1.15V */
+ .buck1_voltage[5] = 1100000, /* 1.1V */
+ .buck1_voltage[6] = 1000000, /* 1.0V */
+ .buck1_voltage[7] = 950000, /* 0.95V */
+
+ .buck2_voltage[0] = 1100000, /* 1.1V */
+ .buck2_voltage[1] = 1000000, /* 1.0V */
+ .buck2_voltage[2] = 950000, /* 0.95V */
+ .buck2_voltage[3] = 900000, /* 0.9V */
+ .buck2_voltage[4] = 1100000, /* 1.1V */
+ .buck2_voltage[5] = 1000000, /* 1.0V */
+ .buck2_voltage[6] = 950000, /* 0.95V */
+ .buck2_voltage[7] = 900000, /* 0.9V */
+
+ .buck5_voltage[0] = 1200000, /* 1.2V */
+ .buck5_voltage[1] = 1200000, /* 1.2V */
+ .buck5_voltage[2] = 1200000, /* 1.2V */
+ .buck5_voltage[3] = 1200000, /* 1.2V */
+ .buck5_voltage[4] = 1200000, /* 1.2V */
+ .buck5_voltage[5] = 1200000, /* 1.2V */
+ .buck5_voltage[6] = 1200000, /* 1.2V */
+ .buck5_voltage[7] = 1200000, /* 1.2V */
+};
+
+/* I2C 5 (PMIC) */
+enum { I2C5_MAX8997 };
+static struct i2c_board_info i2c5_devs[] __initdata = {
+ [I2C5_MAX8997] = {
+ I2C_BOARD_INFO("max8997", 0xCC >> 1),
+ .platform_data = &trats_max8997_pdata,
+ },
+};
+
+static void __init trats_power_init(void)
+{
+ int gpio;
+
+ gpio = EXYNOS4_GPX0(7);
+ gpio_request(gpio, "AP_PMIC_IRQ");
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(0xf));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+}
+
+static struct platform_device *trats_devices[] __initdata = {
+ /* Samsung Platform Devices */
+ &s3c_device_i2c5, /* PMIC should initialize first */
+ &emmc_fixed_voltage,
+ &s3c_device_hsmmc0,
+ &s3c_device_wdt,
+};
+
+static void __init trats_map_io(void)
+{
+ exynos_init_io(NULL, 0);
+ s3c24xx_init_clocks(24000000);
+ s3c24xx_init_uarts(trats_uartcfgs, ARRAY_SIZE(trats_uartcfgs));
+}
+
+static void __init trats_machine_init(void)
+{
+ trats_sdhci_init();
+ trats_power_init();
+
+ s3c_i2c5_set_platdata(NULL);
+ i2c5_devs[I2C5_MAX8997].irq = gpio_to_irq(EXYNOS4_GPX0(7));
+ i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs));
+
+ /* Last */
+ platform_add_devices(trats_devices, ARRAY_SIZE(trats_devices));
+}
+
+MACHINE_START(TRATS, "TRATS")
+ /* Maintainer: Kyungmin Park <kyungmin.park at samsung.com> */
+ .atag_offset = 0x100,
+ .init_irq = exynos4_init_irq,
+ .map_io = trats_map_io,
+ .handle_irq = gic_handle_irq,
+ .init_machine = trats_machine_init,
+ .timer = &exynos4_timer,
+ .restart = exynos4_restart,
+MACHINE_END
--
1.7.4.1
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