The AXP818 has a switchable output, SW. This is commonly used for controlling power to the LCD backlight.
Signed-off-by: Chen-Yu Tsai wens@csie.org --- board/sunxi/board.c | 1 + drivers/power/Kconfig | 7 +++++++ drivers/power/axp818.c | 10 ++++++++++ include/axp818.h | 1 + include/axp_pmic.h | 1 + 5 files changed, 20 insertions(+)
diff --git a/board/sunxi/board.c b/board/sunxi/board.c index 3cf36147b241..6a0a8dbc4f5e 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -523,6 +523,7 @@ void sunxi_board_init(void) power_failed |= axp_set_fldo(1, CONFIG_AXP_FLDO1_VOLT); power_failed |= axp_set_fldo(2, CONFIG_AXP_FLDO2_VOLT); power_failed |= axp_set_fldo(3, CONFIG_AXP_FLDO3_VOLT); + power_failed |= axp_set_sw(IS_ENABLED(CONFIG_AXP_SW_ON)); #endif #endif printf("DRAM:"); diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index b365fd46fa71..02cb8e7ba687 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -265,6 +265,13 @@ config AXP_FLDO3_VOLT Set the voltage (mV) to program the axp pmic fldo3 at, set to 0 to disable fldo3.
+config AXP_SW_ON + bool "axp pmic sw on" + depends on AXP818_POWER + default n + ---help--- + Enable to turn on axp pmic sw. + config SY8106A_VOUT1_VOLT int "SY8106A pmic VOUT1 voltage" depends on SY8106A_POWER diff --git a/drivers/power/axp818.c b/drivers/power/axp818.c index 3ac05ffefe01..bf6ecd6be597 100644 --- a/drivers/power/axp818.c +++ b/drivers/power/axp818.c @@ -225,6 +225,16 @@ int axp_set_fldo(int fldo_num, unsigned int mvolt) AXP818_OUTPUT_CTRL3_FLDO1_EN << (fldo_num - 1)); }
+int axp_set_sw(bool on) +{ + if (on) + return pmic_bus_setbits(AXP818_OUTPUT_CTRL2, + AXP818_OUTPUT_CTRL2_SW_EN); + + return pmic_bus_clrbits(AXP818_OUTPUT_CTRL2, + AXP818_OUTPUT_CTRL2_SW_EN); +} + int axp_init(void) { u8 axp_chip_id; diff --git a/include/axp818.h b/include/axp818.h index 5630eed04d8f..f7f343a194ab 100644 --- a/include/axp818.h +++ b/include/axp818.h @@ -24,6 +24,7 @@ #define AXP818_OUTPUT_CTRL2_DLDO2_EN (1 << 4) #define AXP818_OUTPUT_CTRL2_DLDO3_EN (1 << 5) #define AXP818_OUTPUT_CTRL2_DLDO4_EN (1 << 6) +#define AXP818_OUTPUT_CTRL2_SW_EN (1 << 7) #define AXP818_OUTPUT_CTRL3 0x13 #define AXP818_OUTPUT_CTRL3_FLDO1_EN (1 << 2) #define AXP818_OUTPUT_CTRL3_FLDO2_EN (1 << 3) diff --git a/include/axp_pmic.h b/include/axp_pmic.h index b203cc88ddbc..2ed5196354e9 100644 --- a/include/axp_pmic.h +++ b/include/axp_pmic.h @@ -32,6 +32,7 @@ int axp_set_aldo4(unsigned int mvolt); int axp_set_dldo(int dldo_num, unsigned int mvolt); int axp_set_eldo(int eldo_num, unsigned int mvolt); int axp_set_fldo(int fldo_num, unsigned int mvolt); +int axp_set_sw(bool on); int axp_init(void); int axp_get_sid(unsigned int *sid);