diff options
Diffstat (limited to 'drivers/power/axp221.c')
| -rw-r--r-- | drivers/power/axp221.c | 100 |
1 files changed, 32 insertions, 68 deletions
diff --git a/drivers/power/axp221.c b/drivers/power/axp221.c index 65802e4..cb1f88b 100644 --- a/drivers/power/axp221.c +++ b/drivers/power/axp221.c @@ -11,6 +11,7 @@ */ #include <common.h> +#include <command.h> #include <errno.h> #include <asm/arch/pmic_bus.h> #include <axp_pmic.h> @@ -115,74 +116,6 @@ int axp_set_dcdc5(unsigned int mvolt) AXP221_OUTPUT_CTRL1_DCDC5_EN); } -int axp_set_dldo1(unsigned int mvolt) -{ - int ret; - u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100); - - if (mvolt == 0) - return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2, - AXP221_OUTPUT_CTRL2_DLDO1_EN); - - ret = pmic_bus_write(AXP221_DLDO1_CTRL, cfg); - if (ret) - return ret; - - return pmic_bus_setbits(AXP221_OUTPUT_CTRL2, - AXP221_OUTPUT_CTRL2_DLDO1_EN); -} - -int axp_set_dldo2(unsigned int mvolt) -{ - int ret; - u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100); - - if (mvolt == 0) - return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2, - AXP221_OUTPUT_CTRL2_DLDO2_EN); - - ret = pmic_bus_write(AXP221_DLDO2_CTRL, cfg); - if (ret) - return ret; - - return pmic_bus_setbits(AXP221_OUTPUT_CTRL2, - AXP221_OUTPUT_CTRL2_DLDO2_EN); -} - -int axp_set_dldo3(unsigned int mvolt) -{ - int ret; - u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100); - - if (mvolt == 0) - return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2, - AXP221_OUTPUT_CTRL2_DLDO3_EN); - - ret = pmic_bus_write(AXP221_DLDO3_CTRL, cfg); - if (ret) - return ret; - - return pmic_bus_setbits(AXP221_OUTPUT_CTRL2, - AXP221_OUTPUT_CTRL2_DLDO3_EN); -} - -int axp_set_dldo4(unsigned int mvolt) -{ - int ret; - u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100); - - if (mvolt == 0) - return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2, - AXP221_OUTPUT_CTRL2_DLDO4_EN); - - ret = pmic_bus_write(AXP221_DLDO4_CTRL, cfg); - if (ret) - return ret; - - return pmic_bus_setbits(AXP221_OUTPUT_CTRL2, - AXP221_OUTPUT_CTRL2_DLDO4_EN); -} - int axp_set_aldo1(unsigned int mvolt) { int ret; @@ -234,6 +167,26 @@ int axp_set_aldo3(unsigned int mvolt) AXP221_OUTPUT_CTRL3_ALDO3_EN); } +int axp_set_dldo(int dldo_num, unsigned int mvolt) +{ + u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100); + int ret; + + if (dldo_num < 1 || dldo_num > 4) + return -EINVAL; + + if (mvolt == 0) + return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2, + AXP221_OUTPUT_CTRL2_DLDO1_EN << (dldo_num - 1)); + + ret = pmic_bus_write(AXP221_DLDO1_CTRL + (dldo_num - 1), cfg); + if (ret) + return ret; + + return pmic_bus_setbits(AXP221_OUTPUT_CTRL2, + AXP221_OUTPUT_CTRL2_DLDO1_EN << (dldo_num - 1)); +} + int axp_set_eldo(int eldo_num, unsigned int mvolt) { int ret; @@ -312,3 +265,14 @@ int axp_get_sid(unsigned int *sid) return 0; } + +int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + pmic_bus_write(AXP221_SHUTDOWN, AXP221_SHUTDOWN_POWEROFF); + + /* infinite loop during shutdown */ + while (1) {} + + /* not reached */ + return 0; +} |