diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/arm/mach-tegra/board-harmony-power.c | 58 |
1 files changed, 44 insertions, 14 deletions
diff --git a/arch/arm/mach-tegra/board-harmony-power.c b/arch/arm/mach-tegra/board-harmony-power.c index 82f32300796c..8fd387bf31f0 100644 --- a/arch/arm/mach-tegra/board-harmony-power.c +++ b/arch/arm/mach-tegra/board-harmony-power.c @@ -19,7 +19,12 @@ #include <linux/platform_device.h> #include <linux/gpio.h> #include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/mfd/tps6586x.h> +#include <linux/of.h> +#include <linux/of_i2c.h> + +#include <asm/mach-types.h> #include <mach/irqs.h> @@ -30,7 +35,9 @@ static struct regulator_consumer_supply tps658621_ldo0_supply[] = { }; static struct regulator_init_data ldo0_data = { + .supply_regulator = "vdd_sm2", .constraints = { + .name = "vdd_ldo0", .min_uV = 3300 * 1000, .max_uV = 3300 * 1000, .valid_modes_mask = (REGULATOR_MODE_NORMAL | @@ -44,9 +51,11 @@ static struct regulator_init_data ldo0_data = { .consumer_supplies = tps658621_ldo0_supply, }; -#define HARMONY_REGULATOR_INIT(_id, _minmv, _maxmv) \ +#define HARMONY_REGULATOR_INIT(_id, _name, _supply, _minmv, _maxmv) \ static struct regulator_init_data _id##_data = { \ + .supply_regulator = _supply, \ .constraints = { \ + .name = _name, \ .min_uV = (_minmv)*1000, \ .max_uV = (_maxmv)*1000, \ .valid_modes_mask = (REGULATOR_MODE_NORMAL | \ @@ -57,18 +66,18 @@ static struct regulator_init_data ldo0_data = { }, \ } -HARMONY_REGULATOR_INIT(sm0, 725, 1500); -HARMONY_REGULATOR_INIT(sm1, 725, 1500); -HARMONY_REGULATOR_INIT(sm2, 3000, 4550); -HARMONY_REGULATOR_INIT(ldo1, 725, 1500); -HARMONY_REGULATOR_INIT(ldo2, 725, 1500); -HARMONY_REGULATOR_INIT(ldo3, 1250, 3300); -HARMONY_REGULATOR_INIT(ldo4, 1700, 2475); -HARMONY_REGULATOR_INIT(ldo5, 1250, 3300); -HARMONY_REGULATOR_INIT(ldo6, 1250, 3300); -HARMONY_REGULATOR_INIT(ldo7, 1250, 3300); -HARMONY_REGULATOR_INIT(ldo8, 1250, 3300); -HARMONY_REGULATOR_INIT(ldo9, 1250, 3300); +HARMONY_REGULATOR_INIT(sm0, "vdd_sm0", "vdd_sys", 725, 1500); +HARMONY_REGULATOR_INIT(sm1, "vdd_sm1", "vdd_sys", 725, 1500); +HARMONY_REGULATOR_INIT(sm2, "vdd_sm2", "vdd_sys", 3000, 4550); +HARMONY_REGULATOR_INIT(ldo1, "vdd_ldo1", "vdd_sm2", 725, 1500); +HARMONY_REGULATOR_INIT(ldo2, "vdd_ldo2", "vdd_sm2", 725, 1500); +HARMONY_REGULATOR_INIT(ldo3, "vdd_ldo3", "vdd_sm2", 1250, 3300); +HARMONY_REGULATOR_INIT(ldo4, "vdd_ldo4", "vdd_sm2", 1700, 2475); +HARMONY_REGULATOR_INIT(ldo5, "vdd_ldo5", NULL, 1250, 3300); +HARMONY_REGULATOR_INIT(ldo6, "vdd_ldo6", "vdd_sm2", 1250, 3300); +HARMONY_REGULATOR_INIT(ldo7, "vdd_ldo7", "vdd_sm2", 1250, 3300); +HARMONY_REGULATOR_INIT(ldo8, "vdd_ldo8", "vdd_sm2", 1250, 3300); +HARMONY_REGULATOR_INIT(ldo9, "vdd_ldo9", "vdd_sm2", 1250, 3300); #define TPS_REG(_id, _data) \ { \ @@ -110,7 +119,28 @@ static struct i2c_board_info __initdata harmony_regulators[] = { int __init harmony_regulator_init(void) { - i2c_register_board_info(3, harmony_regulators, 1); + if (machine_is_harmony()) { + regulator_register_always_on(0, "vdd_sys", + NULL, 0, 5000000); + i2c_register_board_info(3, harmony_regulators, 1); + } else { /* Harmony, booted using device tree */ + struct device_node *np; + struct i2c_adapter *adapter; + + np = of_find_node_by_path("/i2c@7000d000"); + if (np == NULL) { + pr_err("Could not find device_node for DVC I2C\n"); + return -ENODEV; + } + + adapter = of_find_i2c_adapter_by_node(np); + if (!adapter) { + pr_err("Could not find i2c_adapter for DVC I2C\n"); + return -ENODEV; + } + + i2c_new_device(adapter, harmony_regulators); + } return 0; } |