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Commit 4d838ec0 authored by Marek Szyprowski's avatar Marek Szyprowski Committed by Kukjin Kim
Browse files

ARM: EXYNOS4: Add support for i2c PMICs on Universal_C210 board 



This patch adds basic definitions for MAX8952 & LP3974 (MAX8998
compatible) PMICs for UniversalC210 board. Power consumers for the
device drivers will be added later. These two PMICs occupy I2C5 bus.

Signed-off-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent caf8b1f2

arch/arm/mach-exynos4/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -116,8 +116,10 @@ config MACH_UNIVERSAL_C210 
	select S3C_DEV_HSMMC2

	select S3C_DEV_HSMMC3

	select S3C_DEV_I2C1

	select S3C_DEV_I2C5

	select S5P_DEV_ONENAND

	select EXYNOS4_SETUP_I2C1

	select EXYNOS4_SETUP_I2C5

	select EXYNOS4_SETUP_SDHCI

	help

	  Machine support for Samsung Mobile Universal S5PC210 Reference

arch/arm/mach-exynos4/mach-universal_c210.c

+413 −0
Original line number Diff line number Diff line
@@ -13,8 +13,10 @@ 
#include <linux/i2c.h>

#include <linux/gpio_keys.h>

#include <linux/gpio.h>

#include <linux/mfd/max8998.h>

#include <linux/regulator/machine.h>

#include <linux/regulator/fixed.h>

#include <linux/regulator/max8952.h>

#include <linux/mmc/host.h>



#include <asm/mach/arch.h>
@@ -24,6 +26,7 @@ 
#include <plat/exynos4.h>

#include <plat/cpu.h>

#include <plat/devs.h>

#include <plat/iic.h>

#include <plat/sdhci.h>



#include <mach/map.h>
@@ -69,6 +72,412 @@ static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = { 
	},

};



static struct regulator_consumer_supply max8952_consumer =

	REGULATOR_SUPPLY("vddarm", NULL);



static struct max8952_platform_data universal_max8952_pdata __initdata = {

	.gpio_vid0	= EXYNOS4_GPX0(3),

	.gpio_vid1	= EXYNOS4_GPX0(4),

	.gpio_en	= -1, /* Not controllable, set "Always High" */

	.default_mode	= 0, /* vid0 = 0, vid1 = 0 */

	.dvs_mode	= { 48, 32, 28, 18 }, /* 1.25, 1.20, 1.05, 0.95V */

	.sync_freq	= 0, /* default: fastest */

	.ramp_speed	= 0, /* default: fastest */



	.reg_data	= {

		.constraints	= {

			.name		= "VARM_1.2V",

			.min_uV		= 770000,

			.max_uV		= 1400000,

			.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,

			.always_on	= 1,

			.boot_on	= 1,

		},

		.num_consumer_supplies	= 1,

		.consumer_supplies	= &max8952_consumer,

	},

};



static struct regulator_consumer_supply lp3974_buck1_consumer =

	REGULATOR_SUPPLY("vddint", NULL);



static struct regulator_consumer_supply lp3974_buck2_consumer =

	REGULATOR_SUPPLY("vddg3d", NULL);



static struct regulator_init_data lp3974_buck1_data = {

	.constraints	= {

		.name		= "VINT_1.1V",

		.min_uV		= 750000,

		.max_uV		= 1500000,

		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE |

			REGULATOR_CHANGE_STATUS,

		.boot_on	= 1,

		.state_mem	= {

			.disabled	= 1,

		},

	},

	.num_consumer_supplies = 1,

	.consumer_supplies = &lp3974_buck1_consumer,

};



static struct regulator_init_data lp3974_buck2_data = {

	.constraints	= {

		.name		= "VG3D_1.1V",

		.min_uV		= 750000,

		.max_uV		= 1500000,

		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE |

			REGULATOR_CHANGE_STATUS,

		.boot_on	= 1,

		.state_mem	= {

			.disabled	= 1,

		},

	},

	.num_consumer_supplies = 1,

	.consumer_supplies = &lp3974_buck2_consumer,

};



static struct regulator_init_data lp3974_buck3_data = {

	.constraints	= {

		.name		= "VCC_1.8V",

		.min_uV		= 1800000,

		.max_uV		= 1800000,

		.apply_uV	= 1,

		.always_on	= 1,

		.state_mem	= {

			.enabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_buck4_data = {

	.constraints	= {

		.name		= "VMEM_1.2V",

		.min_uV		= 1200000,

		.max_uV		= 1200000,

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.apply_uV	= 1,

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_ldo2_data = {

	.constraints	= {

		.name		= "VALIVE_1.2V",

		.min_uV		= 1200000,

		.max_uV		= 1200000,

		.apply_uV	= 1,

		.always_on	= 1,

		.state_mem	= {

			.enabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_ldo3_data = {

	.constraints	= {

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

		.min_uV		= 1100000,

		.max_uV		= 1100000,

		.apply_uV	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_ldo4_data = {

	.constraints	= {

		.name		= "VADC_3.3V",

		.min_uV		= 3300000,

		.max_uV		= 3300000,

		.apply_uV	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_ldo5_data = {

	.constraints	= {

		.name		= "VTF_2.8V",

		.min_uV		= 2800000,

		.max_uV		= 2800000,

		.apply_uV	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_ldo6_data = {

	.constraints	= {

		.name		= "LDO6",

		.min_uV		= 2000000,

		.max_uV		= 2000000,

		.apply_uV	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_ldo7_data = {

	.constraints	= {

		.name		= "VLCD+VMIPI_1.8V",

		.min_uV		= 1800000,

		.max_uV		= 1800000,

		.apply_uV	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_ldo8_data = {

	.constraints	= {

		.name		= "VUSB+VDAC_3.3V",

		.min_uV		= 3300000,

		.max_uV		= 3300000,

		.apply_uV	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_ldo9_data = {

	.constraints	= {

		.name		= "VCC_2.8V",

		.min_uV		= 2800000,

		.max_uV		= 2800000,

		.apply_uV	= 1,

		.always_on	= 1,

		.state_mem	= {

			.enabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_ldo10_data = {

	.constraints	= {

		.name		= "VPLL_1.1V",

		.min_uV		= 1100000,

		.max_uV		= 1100000,

		.boot_on	= 1,

		.apply_uV	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_ldo11_data = {

	.constraints	= {

		.name		= "CAM_AF_3.3V",

		.min_uV		= 3300000,

		.max_uV		= 3300000,

		.apply_uV	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_ldo12_data = {

	.constraints	= {

		.name		= "PS_2.8V",

		.min_uV		= 2800000,

		.max_uV		= 2800000,

		.apply_uV	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_ldo13_data = {

	.constraints	= {

		.name		= "VHIC_1.2V",

		.min_uV		= 1200000,

		.max_uV		= 1200000,

		.apply_uV	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_ldo14_data = {

	.constraints	= {

		.name		= "CAM_I_HOST_1.8V",

		.min_uV		= 1800000,

		.max_uV		= 1800000,

		.apply_uV	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_ldo15_data = {

	.constraints	= {

		.name		= "CAM_S_DIG+FM33_CORE_1.2V",

		.min_uV		= 1200000,

		.max_uV		= 1200000,

		.apply_uV	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_ldo16_data = {

	.constraints	= {

		.name		= "CAM_S_ANA_2.8V",

		.min_uV		= 2800000,

		.max_uV		= 2800000,

		.apply_uV	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_ldo17_data = {

	.constraints	= {

		.name		= "VCC_3.0V_LCD",

		.min_uV		= 3000000,

		.max_uV		= 3000000,

		.apply_uV	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.boot_on	= 1,

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_32khz_ap_data = {

	.constraints	= {

		.name		= "32KHz AP",

		.always_on	= 1,

		.state_mem	= {

			.enabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_32khz_cp_data = {

	.constraints	= {

		.name		= "32KHz CP",

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_vichg_data = {

	.constraints	= {

		.name		= "VICHG",

		.state_mem	= {

			.disabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_esafeout1_data = {

	.constraints	= {

		.name		= "SAFEOUT1",

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.state_mem	= {

			.enabled	= 1,

		},

	},

};



static struct regulator_init_data lp3974_esafeout2_data = {

	.constraints	= {

		.name		= "SAFEOUT2",

		.boot_on	= 1,

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

		.state_mem	= {

			.enabled	= 1,

		},

	},

};



static struct max8998_regulator_data lp3974_regulators[] = {

	{ MAX8998_LDO2,  &lp3974_ldo2_data },

	{ MAX8998_LDO3,  &lp3974_ldo3_data },

	{ MAX8998_LDO4,  &lp3974_ldo4_data },

	{ MAX8998_LDO5,  &lp3974_ldo5_data },

	{ MAX8998_LDO6,  &lp3974_ldo6_data },

	{ MAX8998_LDO7,  &lp3974_ldo7_data },

	{ MAX8998_LDO8,  &lp3974_ldo8_data },

	{ MAX8998_LDO9,  &lp3974_ldo9_data },

	{ MAX8998_LDO10, &lp3974_ldo10_data },

	{ MAX8998_LDO11, &lp3974_ldo11_data },

	{ MAX8998_LDO12, &lp3974_ldo12_data },

	{ MAX8998_LDO13, &lp3974_ldo13_data },

	{ MAX8998_LDO14, &lp3974_ldo14_data },

	{ MAX8998_LDO15, &lp3974_ldo15_data },

	{ MAX8998_LDO16, &lp3974_ldo16_data },

	{ MAX8998_LDO17, &lp3974_ldo17_data },

	{ MAX8998_BUCK1, &lp3974_buck1_data },

	{ MAX8998_BUCK2, &lp3974_buck2_data },

	{ MAX8998_BUCK3, &lp3974_buck3_data },

	{ MAX8998_BUCK4, &lp3974_buck4_data },

	{ MAX8998_EN32KHZ_AP, &lp3974_32khz_ap_data },

	{ MAX8998_EN32KHZ_CP, &lp3974_32khz_cp_data },

	{ MAX8998_ENVICHG, &lp3974_vichg_data },

	{ MAX8998_ESAFEOUT1, &lp3974_esafeout1_data },

	{ MAX8998_ESAFEOUT2, &lp3974_esafeout2_data },

};



static struct max8998_platform_data universal_lp3974_pdata = {

	.num_regulators		= ARRAY_SIZE(lp3974_regulators),

	.regulators		= lp3974_regulators,

	.buck1_voltage1		= 1100000,	/* INT */

	.buck1_voltage2		= 1000000,

	.buck1_voltage3		= 1100000,

	.buck1_voltage4		= 1000000,

	.buck1_set1		= EXYNOS4_GPX0(5),

	.buck1_set2		= EXYNOS4_GPX0(6),

	.buck2_voltage1		= 1200000,	/* G3D */

	.buck2_voltage2		= 1100000,

	.buck1_default_idx	= 0,

	.buck2_set3		= EXYNOS4_GPE2(0),

	.buck2_default_idx	= 0,

	.wakeup			= true,

};



/* GPIO I2C 5 (PMIC) */

static struct i2c_board_info i2c5_devs[] __initdata = {

	{

		I2C_BOARD_INFO("max8952", 0xC0 >> 1),

		.platform_data	= &universal_max8952_pdata,

	}, {

		I2C_BOARD_INFO("lp3974", 0xCC >> 1),

		.platform_data	= &universal_lp3974_pdata,

	},

};



/* GPIO KEYS */

static struct gpio_keys_button universal_gpio_keys_tables[] = {

	{

		.code			= KEY_VOLUMEUP,
@@ -203,6 +612,7 @@ static struct platform_device *universal_devices[] __initdata = { 
	&s3c_device_hsmmc0,

	&s3c_device_hsmmc2,

	&s3c_device_hsmmc3,

	&s3c_device_i2c5,



	/* Universal Devices */

	&universal_gpio_keys,
@@ -223,6 +633,9 @@ static void __init universal_machine_init(void) 
	i2c_register_board_info(0, i2c0_devs, ARRAY_SIZE(i2c0_devs));

	i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));



	s3c_i2c5_set_platdata(NULL);

	i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs));



	/* Last */

	platform_add_devices(universal_devices, ARRAY_SIZE(universal_devices));

}