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rk30:phone loquat:config ddr voltage

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This commit is contained in:
张晴
2012-06-12 18:46:56 +08:00
parent b69ad996ad
commit c33e7700db
2 changed files with 11 additions and 6 deletions
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2
arch/arm/mach-rk30/board-rk30-phone-loquat.c
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@@ -1788,6 +1788,8 @@ static struct i2c_board_info __initdata i2c0_info[] = {
#endif
#ifdef CONFIG_I2C1_RK30
#define DC3_VCC_DDR_VOL 1800000 //for vcc_lpddr2_1v8
#define DC5_VCC_DDR_VOL 1200000 //for vcc_lpddr2_1v2
#include "board-rk30-phone-twl60xx.c"
static struct i2c_board_info __initdata i2c1_info[] = {

15
arch/arm/mach-rk30/board-rk30-phone-twl60xx.c
View File

@@ -54,10 +54,11 @@ int tps80032_pre_init(void){
gpio_request(PMU_POWER_SLEEP, "NULL");
gpio_direction_output(PMU_POWER_SLEEP, GPIO_LOW);
gpio_request(PMU_CHRG_DET_N, "NULL");
gpio_direction_output(PMU_CHRG_DET_N, GPIO_HIGH);
twl_reg_write(0x0e,TWL_MODULE_PM_MASTER,0x5f);
twl_reg_write(PREQ1_RES_ASS_A,TWL_MODULE_PM_SLAVE_RES,0x2b);
twl_reg_write(PREQ1_RES_ASS_B,TWL_MODULE_PM_SLAVE_RES,0x50);
twl_reg_write(PREQ1_RES_ASS_C,TWL_MODULE_PM_SLAVE_RES,0x27);
@@ -143,19 +144,18 @@ int tps80032_set_init(void)
udelay(100);
dcdc = regulator_get(NULL, "vcc_lpddr2_1v8"); //vcc_lpddr2_1v8
regulator_set_voltage(dcdc,1800000,1800000);
regulator_set_voltage(dcdc,DC3_VCC_DDR_VOL,DC3_VCC_DDR_VOL);
regulator_enable(dcdc);
// printk("%s set dcdc3 vcc_lpddr2_1v8=%dmV end\n", __func__, regulator_get_voltage(dcdc));
regulator_put(dcdc);
udelay(100);
dcdc = regulator_get(NULL, "vcc_lpddr2_1v2");
regulator_set_voltage(dcdc,1200000,1200000);
dcdc = regulator_get(NULL, "vcc_lpddr2_1v2"); //vcc_lpddr2_1v2
regulator_set_voltage(dcdc,DC5_VCC_DDR_VOL,DC5_VCC_DDR_VOL);
regulator_enable(dcdc);
// printk("%s set dcdc5 vcc_lpddr2_1v2=%dmV end\n", __func__, regulator_get_voltage(dcdc));
regulator_put(dcdc);
udelay(100);
ldo = regulator_get(NULL, "ldo3"); //vcc_nandflash
regulator_set_voltage(ldo, 3300000, 3300000);
@@ -224,6 +224,9 @@ static struct regulator_consumer_supply tps80032_smps3_supply[] = {
{
.supply = "vcc_lpddr2_1v8",
},
{
.supply = "vcc_ddr3",
},
};
static struct regulator_consumer_supply tps80032_smps4_supply[] = {
{