[PATCH] ARM: EXYNOS: Adds Samsung TRATS board support

Kukjin Kim kgene.kim at samsung.com
Thu Feb 9 08:11:05 EST 2012


HeungJun, Kim wrote:
> 
> 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

OK, will apply.
Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.




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