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Commit be4ab361 authored by Kukjin Kim's avatar Kukjin Kim
Browse files

ARM: EXYNOS4: Add support SMDK4212 Board 



This patch adds mach-smdk4212.c to support SMDK4212 board.
Now it can support HSMMCs, I2Cs, RTC, WDT and Keypad. Other
features will be supported next time.

Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent acd35616

arch/arm/mach-exynos4/Kconfig

+25 −0
Original line number Diff line number Diff line
@@ -116,6 +116,8 @@ config EXYNOS4_SETUP_USB_PHY 


menu "EXYNOS4 Machines"



comment "EXYNOS4210 Boards"



config MACH_SMDKC210

	bool "SMDKC210"

	select MACH_SMDKV310
@@ -208,6 +210,29 @@ config MACH_NURI 
	help

	  Machine support for Samsung Mobile NURI Board.



comment "EXYNOS4212 Boards"



config MACH_SMDK4212

	bool "SMDK4212"

	select SOC_EXYNOS4212

	select S3C_DEV_HSMMC2

	select S3C_DEV_HSMMC3

	select S3C_DEV_I2C1

	select S3C_DEV_I2C3

	select S3C_DEV_I2C7

	select S3C_DEV_RTC

	select S3C_DEV_WDT

	select SAMSUNG_DEV_BACKLIGHT

	select SAMSUNG_DEV_KEYPAD

	select SAMSUNG_DEV_PWM

	select EXYNOS4_SETUP_I2C1

	select EXYNOS4_SETUP_I2C3

	select EXYNOS4_SETUP_I2C7

	select EXYNOS4_SETUP_KEYPAD

	select EXYNOS4_SETUP_SDHCI

	help

	  Machine support for Samsung SMDK4212



endmenu



comment "Configuration for HSMMC bus width"

arch/arm/mach-exynos4/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -33,6 +33,8 @@ 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_SMDK4212)		+= mach-smdk4212.o



# device support



obj-y					+= dev-audio.o

arch/arm/mach-exynos4/mach-smdk4212.c

0 → 100644
+292 −0
Original line number Diff line number Diff line 
/*

 * linux/arch/arm/mach-exynos4/mach-smdk4212.c

 *

 * Copyright (c) 2011 Samsung Electronics Co., Ltd.

 *		http://www.samsung.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.

*/



#include <linux/gpio.h>

#include <linux/i2c.h>

#include <linux/input.h>

#include <linux/io.h>

#include <linux/mfd/max8997.h>

#include <linux/mmc/host.h>

#include <linux/platform_device.h>

#include <linux/pwm_backlight.h>

#include <linux/regulator/machine.h>

#include <linux/serial_core.h>



#include <asm/mach/arch.h>

#include <asm/mach-types.h>



#include <plat/backlight.h>

#include <plat/clock.h>

#include <plat/cpu.h>

#include <plat/devs.h>

#include <plat/exynos4.h>

#include <plat/gpio-cfg.h>

#include <plat/iic.h>

#include <plat/keypad.h>

#include <plat/regs-serial.h>

#include <plat/sdhci.h>



#include <mach/map.h>



/* Following are default values for UCON, ULCON and UFCON UART registers */

#define SMDK4212_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\

				 S3C2410_UCON_RXILEVEL |	\

				 S3C2410_UCON_TXIRQMODE |	\

				 S3C2410_UCON_RXIRQMODE |	\

				 S3C2410_UCON_RXFIFO_TOI |	\

				 S3C2443_UCON_RXERR_IRQEN)



#define SMDK4212_ULCON_DEFAULT	S3C2410_LCON_CS8



#define SMDK4212_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\

				 S5PV210_UFCON_TXTRIG4 |	\

				 S5PV210_UFCON_RXTRIG4)



static struct s3c2410_uartcfg smdk4212_uartcfgs[] __initdata = {

	[0] = {

		.hwport		= 0,

		.flags		= 0,

		.ucon		= SMDK4212_UCON_DEFAULT,

		.ulcon		= SMDK4212_ULCON_DEFAULT,

		.ufcon		= SMDK4212_UFCON_DEFAULT,

	},

	[1] = {

		.hwport		= 1,

		.flags		= 0,

		.ucon		= SMDK4212_UCON_DEFAULT,

		.ulcon		= SMDK4212_ULCON_DEFAULT,

		.ufcon		= SMDK4212_UFCON_DEFAULT,

	},

	[2] = {

		.hwport		= 2,

		.flags		= 0,

		.ucon		= SMDK4212_UCON_DEFAULT,

		.ulcon		= SMDK4212_ULCON_DEFAULT,

		.ufcon		= SMDK4212_UFCON_DEFAULT,

	},

	[3] = {

		.hwport		= 3,

		.flags		= 0,

		.ucon		= SMDK4212_UCON_DEFAULT,

		.ulcon		= SMDK4212_ULCON_DEFAULT,

		.ufcon		= SMDK4212_UFCON_DEFAULT,

	},

};



static struct s3c_sdhci_platdata smdk4212_hsmmc2_pdata __initdata = {

	.cd_type		= S3C_SDHCI_CD_INTERNAL,

	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,

#ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT

	.max_width		= 8,

	.host_caps		= MMC_CAP_8_BIT_DATA,

#endif

};



static struct s3c_sdhci_platdata smdk4212_hsmmc3_pdata __initdata = {

	.cd_type		= S3C_SDHCI_CD_INTERNAL,

	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,

};



static struct regulator_consumer_supply max8997_buck1 =

	REGULATOR_SUPPLY("vdd_arm", NULL);



static struct regulator_consumer_supply max8997_buck2 =

	REGULATOR_SUPPLY("vdd_int", NULL);



static struct regulator_consumer_supply max8997_buck3 =

	REGULATOR_SUPPLY("vdd_g3d", NULL);



static struct regulator_init_data max8997_buck1_data = {

	.constraints	= {

		.name		= "VDD_ARM_SMDK4212",

		.min_uV		= 925000,

		.max_uV		= 1350000,

		.always_on	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,

		.state_mem	= {

			.disabled	= 1,

		},

	},

	.num_consumer_supplies	= 1,

	.consumer_supplies	= &max8997_buck1,

};



static struct regulator_init_data max8997_buck2_data = {

	.constraints	= {

		.name		= "VDD_INT_SMDK4212",

		.min_uV		= 950000,

		.max_uV		= 1150000,

		.always_on	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,

		.state_mem	= {

			.disabled	= 1,

		},

	},

	.num_consumer_supplies	= 1,

	.consumer_supplies	= &max8997_buck2,

};



static struct regulator_init_data max8997_buck3_data = {

	.constraints	= {

		.name		= "VDD_G3D_SMDK4212",

		.min_uV		= 950000,

		.max_uV		= 1150000,

		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE |

				  REGULATOR_CHANGE_STATUS,

		.state_mem	= {

			.disabled	= 1,

		},

	},

	.num_consumer_supplies	= 1,

	.consumer_supplies	= &max8997_buck3,

};



static struct max8997_regulator_data smdk4212_max8997_regulators[] = {

	{ MAX8997_BUCK1, &max8997_buck1_data },

	{ MAX8997_BUCK2, &max8997_buck2_data },

	{ MAX8997_BUCK3, &max8997_buck3_data },

};



static struct max8997_platform_data smdk4212_max8997_pdata = {

	.num_regulators	= ARRAY_SIZE(smdk4212_max8997_regulators),

	.regulators	= smdk4212_max8997_regulators,



	.buck1_voltage[0] = 1100000,	/* 1.1V */

	.buck1_voltage[1] = 1100000,	/* 1.1V */

	.buck1_voltage[2] = 1100000,	/* 1.1V */

	.buck1_voltage[3] = 1100000,	/* 1.1V */

	.buck1_voltage[4] = 1100000,	/* 1.1V */

	.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] = 1100000,	/* 1.1V */

	.buck5_voltage[1] = 1100000,	/* 1.1V */

	.buck5_voltage[2] = 1100000,	/* 1.1V */

	.buck5_voltage[3] = 1100000,	/* 1.1V */

	.buck5_voltage[4] = 1100000,	/* 1.1V */

	.buck5_voltage[5] = 1100000,	/* 1.1V */

	.buck5_voltage[6] = 1100000,	/* 1.1V */

	.buck5_voltage[7] = 1100000,	/* 1.1V */

};



static struct i2c_board_info smdk4212_i2c_devs0[] __initdata = {

	{

		I2C_BOARD_INFO("max8997", 0x66),

		.platform_data	= &smdk4212_max8997_pdata,

	}

};



static struct i2c_board_info smdk4212_i2c_devs1[] __initdata = {

	{ I2C_BOARD_INFO("wm8994", 0x1a), }

};



static struct i2c_board_info smdk4212_i2c_devs3[] __initdata = {

	/* nothing here yet */

};



static struct i2c_board_info smdk4212_i2c_devs7[] __initdata = {

	/* nothing here yet */

};



static struct samsung_bl_gpio_info smdk4212_bl_gpio_info = {

	.no = EXYNOS4_GPD0(1),

	.func = S3C_GPIO_SFN(2),

};



static struct platform_pwm_backlight_data smdk4212_bl_data = {

	.pwm_id = 1,

	.pwm_period_ns  = 1000,

};



static uint32_t smdk4212_keymap[] __initdata = {

	/* KEY(row, col, keycode) */

	KEY(1, 0, KEY_D), KEY(1, 1, KEY_A), KEY(1, 2, KEY_B),

	KEY(1, 3, KEY_E), KEY(1, 4, KEY_C)

};



static struct matrix_keymap_data smdk4212_keymap_data __initdata = {

	.keymap		= smdk4212_keymap,

	.keymap_size	= ARRAY_SIZE(smdk4212_keymap),

};



static struct samsung_keypad_platdata smdk4212_keypad_data __initdata = {

	.keymap_data	= &smdk4212_keymap_data,

	.rows		= 2,

	.cols		= 5,

};



static struct platform_device *smdk4212_devices[] __initdata = {

	&s3c_device_hsmmc2,

	&s3c_device_hsmmc3,

	&s3c_device_i2c0,

	&s3c_device_i2c1,

	&s3c_device_i2c3,

	&s3c_device_i2c7,

	&s3c_device_rtc,

	&s3c_device_wdt,

	&samsung_device_keypad,

};



static void __init smdk4212_map_io(void)

{

	clk_xusbxti.rate = 24000000;



	s5p_init_io(NULL, 0, S5P_VA_CHIPID);

	s3c24xx_init_clocks(clk_xusbxti.rate);

	s3c24xx_init_uarts(smdk4212_uartcfgs, ARRAY_SIZE(smdk4212_uartcfgs));

}



static void __init smdk4212_machine_init(void)

{

	s3c_i2c0_set_platdata(NULL);

	i2c_register_board_info(0, smdk4212_i2c_devs0,

				ARRAY_SIZE(smdk4212_i2c_devs0));



	s3c_i2c1_set_platdata(NULL);

	i2c_register_board_info(1, smdk4212_i2c_devs1,

				ARRAY_SIZE(smdk4212_i2c_devs1));



	s3c_i2c3_set_platdata(NULL);

	i2c_register_board_info(3, smdk4212_i2c_devs3,

				ARRAY_SIZE(smdk4212_i2c_devs3));



	s3c_i2c7_set_platdata(NULL);

	i2c_register_board_info(7, smdk4212_i2c_devs7,

				ARRAY_SIZE(smdk4212_i2c_devs7));



	samsung_bl_set(&smdk4212_bl_gpio_info, &smdk4212_bl_data);



	samsung_keypad_set_platdata(&smdk4212_keypad_data);



	s3c_sdhci2_set_platdata(&smdk4212_hsmmc2_pdata);

	s3c_sdhci3_set_platdata(&smdk4212_hsmmc3_pdata);



	platform_add_devices(smdk4212_devices, ARRAY_SIZE(smdk4212_devices));

}



MACHINE_START(SMDK4212, "SMDK4212")

	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */

	.boot_params	= S5P_PA_SDRAM + 0x100,

	.init_irq	= exynos4_init_irq,

	.map_io		= smdk4212_map_io,

	.init_machine	= smdk4212_machine_init,

	.timer		= &exynos4_timer,

MACHINE_END