diff options
| author | Chen-Yu Tsai | 2016-05-02 10:28:12 +0800 |
|---|---|---|
| committer | Hans de Goede | 2016-05-25 17:52:39 +0200 |
| commit | 15278ccb848dbcd8825874f943bc21afda987219 (patch) | |
| tree | 98526b20799ef16c414bf990e99dc26899d4e967 | |
| parent | a696253c1daf3424408868fc76840c83a896acfe (diff) | |
sunxi: power: axp818: Add support for switch SW
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>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
| -rw-r--r-- | board/sunxi/board.c | 1 | ||||
| -rw-r--r-- | drivers/power/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/power/axp818.c | 10 | ||||
| -rw-r--r-- | include/axp818.h | 1 | ||||
| -rw-r--r-- | include/axp_pmic.h | 1 |
5 files changed, 20 insertions, 0 deletions
diff --git a/board/sunxi/board.c b/board/sunxi/board.c index 3cf36147b24..6a0a8dbc4f5 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 b365fd46fa7..02cb8e7ba68 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 3ac05ffefe0..bf6ecd6be59 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 5630eed04d8..f7f343a194a 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 b203cc88ddb..2ed5196354e 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); |