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>

1 files changed, 413 insertions, 0 deletions

diff --git a/arch/arm/mach-exynos4/mach-universal_c210.c b/arch/arm/mach-exynos4/mach-universal_c210.c
index b22b6ef2a94b..97d329fff2cf 100644
--- a/arch/arm/mach-exynos4/mach-universal_c210.c
+++ b/arch/arm/mach-exynos4/mach-universal_c210.c
@@ -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));
 }