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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: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Marek Szyprowski 2011-03-04 10:19:52 +09:00 committed by Kukjin Kim
parent caf8b1f234
commit 4d838ec03b
2 changed files with 415 additions and 0 deletions
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2
arch/arm/mach-exynos4/Kconfig
View File

@ -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

413
arch/arm/mach-exynos4/mach-universal_c210.c
View File

@ -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));
}