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Commit ba149f3a authored by Marek Szyprowski's avatar Marek Szyprowski Committed by Kukjin Kim
Browse files

ARM: S5PV210: Add MAX8998 PMIC support for GONI 



This patch adds required platform definitions for MAX8998 PMIC driver. Power
regulators for LDO and BUCK outputs has been defined as well as a simple
gpio-keys button for power key (to enable wakeup functionality with
external interrupt).

Signed-off-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
[broonie@opensource.wolfsonmicro.com: For the regulator API usage]
Acked-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
[kgene.kim@samsung.com: minor title fix]
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent a1660c12

arch/arm/mach-s5pv210/mach-goni.c

+324 −0
Original line number Diff line number Diff line
@@ -13,6 +13,12 @@ 
#include <linux/init.h>

#include <linux/serial_core.h>

#include <linux/fb.h>

#include <linux/i2c.h>

#include <linux/i2c-gpio.h>

#include <linux/mfd/max8998.h>

#include <linux/gpio_keys.h>

#include <linux/input.h>

#include <linux/gpio.h>



#include <asm/mach/arch.h>

#include <asm/mach/map.h>
@@ -23,6 +29,7 @@ 
#include <mach/regs-clock.h>

#include <mach/regs-fb.h>



#include <plat/gpio-cfg.h>

#include <plat/regs-serial.h>

#include <plat/s5pv210.h>

#include <plat/devs.h>
@@ -103,9 +110,322 @@ static struct s3c_fb_platdata goni_lcd_pdata __initdata = { 
	.setup_gpio	= s5pv210_fb_gpio_setup_24bpp,

};



/* MAX8998 regulators */

#if defined(CONFIG_REGULATOR_MAX8998) || defined(CONFIG_REGULATOR_MAX8998_MODULE)



static struct regulator_init_data goni_ldo2_data = {

	.constraints	= {

		.name		= "VALIVE_1.1V",

		.min_uV		= 1100000,

		.max_uV		= 1100000,

		.apply_uV	= 1,

		.always_on	= 1,

		.state_mem	= {

			.enabled = 1,

		},

	},

};



static struct regulator_init_data goni_ldo3_data = {

	.constraints	= {

		.name		= "VUSB/MIPI_1.1V",

		.min_uV		= 1100000,

		.max_uV		= 1100000,

		.apply_uV	= 1,

		.always_on	= 1,

	},

};



static struct regulator_init_data goni_ldo4_data = {

	.constraints	= {

		.name		= "VDAC_3.3V",

		.min_uV		= 3300000,

		.max_uV		= 3300000,

		.apply_uV	= 1,

	},

};



static struct regulator_init_data goni_ldo5_data = {

	.constraints	= {

		.name		= "VTF_2.8V",

		.min_uV		= 2800000,

		.max_uV		= 2800000,

		.apply_uV	= 1,

	},

};



static struct regulator_init_data goni_ldo6_data = {

	.constraints	= {

		.name		= "VCC_3.3V",

		.min_uV		= 3300000,

		.max_uV		= 3300000,

		.apply_uV	= 1,

	},

};



static struct regulator_init_data goni_ldo7_data = {

	.constraints	= {

		.name		= "VLCD_1.8V",

		.min_uV		= 1800000,

		.max_uV		= 1800000,

		.apply_uV	= 1,

		.always_on	= 1,

	},

};



static struct regulator_init_data goni_ldo8_data = {

	.constraints	= {

		.name		= "VUSB/VADC_3.3V",

		.min_uV		= 3300000,

		.max_uV		= 3300000,

		.apply_uV	= 1,

		.always_on	= 1,

	},

};



static struct regulator_init_data goni_ldo9_data = {

	.constraints	= {

		.name		= "VCC/VCAM_2.8V",

		.min_uV		= 2800000,

		.max_uV		= 2800000,

		.apply_uV	= 1,

		.always_on	= 1,

	},

};



static struct regulator_init_data goni_ldo10_data = {

	.constraints	= {

		.name		= "VPLL_1.1V",

		.min_uV		= 1100000,

		.max_uV		= 1100000,

		.apply_uV	= 1,

		.boot_on	= 1,

	},

};



static struct regulator_init_data goni_ldo11_data = {

	.constraints	= {

		.name		= "CAM_IO_2.8V",

		.min_uV		= 2800000,

		.max_uV		= 2800000,

		.apply_uV	= 1,

		.always_on	= 1,

	},

};



static struct regulator_init_data goni_ldo12_data = {

	.constraints	= {

		.name		= "CAM_ISP_1.2V",

		.min_uV		= 1200000,

		.max_uV		= 1200000,

		.apply_uV	= 1,

		.always_on	= 1,

	},

};



static struct regulator_init_data goni_ldo13_data = {

	.constraints	= {

		.name		= "CAM_A_2.8V",

		.min_uV		= 2800000,

		.max_uV		= 2800000,

		.apply_uV	= 1,

		.always_on	= 1,

	},

};



static struct regulator_init_data goni_ldo14_data = {

	.constraints	= {

		.name		= "CAM_CIF_1.8V",

		.min_uV		= 1800000,

		.max_uV		= 1800000,

		.apply_uV	= 1,

		.always_on	= 1,

	},

};



static struct regulator_init_data goni_ldo15_data = {

	.constraints	= {

		.name		= "CAM_AF_3.3V",

		.min_uV		= 3300000,

		.max_uV		= 3300000,

		.apply_uV	= 1,

		.always_on	= 1,

	},

};



static struct regulator_init_data goni_ldo16_data = {

	.constraints	= {

		.name		= "VMIPI_1.8V",

		.min_uV		= 1800000,

		.max_uV		= 1800000,

		.apply_uV	= 1,

		.always_on	= 1,

	},

};



static struct regulator_init_data goni_ldo17_data = {

	.constraints	= {

		.name		= "VCC_3.0V_LCD",

		.min_uV		= 3000000,

		.max_uV		= 3000000,

		.apply_uV	= 1,

		.always_on	= 1,

	},

};



/* BUCK */

static struct regulator_consumer_supply buck1_consumer[] = {

	{	.supply	= "vddarm", },

};



static struct regulator_consumer_supply buck2_consumer[] = {

	{	.supply	= "vddint", },

};



static struct regulator_init_data goni_buck1_data = {

	.constraints	= {

		.name		= "VARM_1.2V",

		.min_uV		= 1200000,

		.max_uV		= 1200000,

		.apply_uV	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE |

				  REGULATOR_CHANGE_STATUS,

	},

	.num_consumer_supplies	= ARRAY_SIZE(buck1_consumer),

	.consumer_supplies	= buck1_consumer,

};



static struct regulator_init_data goni_buck2_data = {

	.constraints	= {

		.name		= "VINT_1.2V",

		.min_uV		= 1200000,

		.max_uV		= 1200000,

		.apply_uV	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE |

				  REGULATOR_CHANGE_STATUS,

	},

	.num_consumer_supplies	= ARRAY_SIZE(buck2_consumer),

	.consumer_supplies	= buck2_consumer,

};



static struct regulator_init_data goni_buck3_data = {

	.constraints	= {

		.name		= "VCC_1.8V",

		.min_uV		= 1800000,

		.max_uV		= 1800000,

		.apply_uV	= 1,

		.state_mem	= {

			.enabled = 1,

		},

	},

};



static struct regulator_init_data goni_buck4_data = {

	.constraints	= {

		.name		= "CAM_CORE_1.2V",

		.min_uV		= 1200000,

		.max_uV		= 1200000,

		.apply_uV	= 1,

		.always_on	= 1,

	},

};



static struct max8998_regulator_data goni_regulators[] = {

	{ MAX8998_LDO2,  &goni_ldo2_data },

	{ MAX8998_LDO3,  &goni_ldo3_data },

	{ MAX8998_LDO4,  &goni_ldo4_data },

	{ MAX8998_LDO5,  &goni_ldo5_data },

	{ MAX8998_LDO6,  &goni_ldo6_data },

	{ MAX8998_LDO7,  &goni_ldo7_data },

	{ MAX8998_LDO8,  &goni_ldo8_data },

	{ MAX8998_LDO9,  &goni_ldo9_data },

	{ MAX8998_LDO10, &goni_ldo10_data },

	{ MAX8998_LDO11, &goni_ldo11_data },

	{ MAX8998_LDO12, &goni_ldo12_data },

	{ MAX8998_LDO13, &goni_ldo13_data },

	{ MAX8998_LDO14, &goni_ldo14_data },

	{ MAX8998_LDO15, &goni_ldo15_data },

	{ MAX8998_LDO16, &goni_ldo16_data },

	{ MAX8998_LDO17, &goni_ldo17_data },

	{ MAX8998_BUCK1, &goni_buck1_data },

	{ MAX8998_BUCK2, &goni_buck2_data },

	{ MAX8998_BUCK3, &goni_buck3_data },

	{ MAX8998_BUCK4, &goni_buck4_data },

};



static struct max8998_platform_data goni_max8998_pdata = {

	.num_regulators	= ARRAY_SIZE(goni_regulators),

	.regulators	= goni_regulators,

};

#endif



/* GPIO I2C PMIC */

#define AP_I2C_GPIO_PMIC_BUS_4	4

static struct i2c_gpio_platform_data goni_i2c_gpio_pmic_data = {

	.sda_pin	= S5PV210_GPJ4(0),	/* XMSMCSN */

	.scl_pin	= S5PV210_GPJ4(3),	/* XMSMIRQN */

};



static struct platform_device goni_i2c_gpio_pmic = {

	.name		= "i2c-gpio",

	.id		= AP_I2C_GPIO_PMIC_BUS_4,

	.dev		= {

		.platform_data	= &goni_i2c_gpio_pmic_data,

	},

};



static struct i2c_board_info i2c_gpio_pmic_devs[] __initdata = {

#if defined(CONFIG_REGULATOR_MAX8998) || defined(CONFIG_REGULATOR_MAX8998_MODULE)

	{

		/* 0xCC when SRAD = 0 */

		I2C_BOARD_INFO("max8998", 0xCC >> 1),

		.platform_data = &goni_max8998_pdata,

	},

#endif

};



/* PMIC Power button */

static struct gpio_keys_button goni_gpio_keys_table[] = {

	{

		.code 		= KEY_POWER,

		.gpio		= S5PV210_GPH2(6),

		.desc		= "gpio-keys: KEY_POWER",

		.type		= EV_KEY,

		.active_low	= 1,

		.wakeup		= 1,

		.debounce_interval = 1,

	},

};



static struct gpio_keys_platform_data goni_gpio_keys_data = {

	.buttons	= goni_gpio_keys_table,

	.nbuttons	= ARRAY_SIZE(goni_gpio_keys_table),

};



static struct platform_device goni_device_gpiokeys = {

	.name = "gpio-keys",

	.dev = {

		.platform_data = &goni_gpio_keys_data,

	},

};



static void __init goni_pmic_init(void)

{

	/* AP_PMIC_IRQ: EINT7 */

	s3c_gpio_cfgpin(S5PV210_GPH0(7), S3C_GPIO_SFN(0xf));

	s3c_gpio_setpull(S5PV210_GPH0(7), S3C_GPIO_PULL_UP);



	/* nPower: EINT22 */

	s3c_gpio_cfgpin(S5PV210_GPH2(6), S3C_GPIO_SFN(0xf));

	s3c_gpio_setpull(S5PV210_GPH2(6), S3C_GPIO_PULL_UP);

}





static struct platform_device *goni_devices[] __initdata = {

	&s3c_device_fb,

	&s5pc110_device_onenand,

	&goni_i2c_gpio_pmic,

	&goni_device_gpiokeys,

};



static void __init goni_map_io(void)
@@ -117,6 +437,10 @@ static void __init goni_map_io(void) 


static void __init goni_machine_init(void)

{

	/* PMIC */

	goni_pmic_init();

	i2c_register_board_info(AP_I2C_GPIO_PMIC_BUS_4, i2c_gpio_pmic_devs,

			ARRAY_SIZE(i2c_gpio_pmic_devs));

	/* FB */

	s3c_fb_set_platdata(&goni_lcd_pdata);