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| author | Chen-Yu Tsai <wens@csie.org> | 2016-05-02 10:28:12 +0800 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2016-05-25 17:52:39 +0200 |
| commit | 15278ccb848dbcd8825874f943bc21afda987219 (patch) | |
| tree | 98526b20799ef16c414bf990e99dc26899d4e967 /drivers | |
| parent | a696253c1daf3424408868fc76840c83a896acfe (diff) | |
| download | u-boot-imx-15278ccb848dbcd8825874f943bc21afda987219.zip u-boot-imx-15278ccb848dbcd8825874f943bc21afda987219.tar.gz u-boot-imx-15278ccb848dbcd8825874f943bc21afda987219.tar.bz2 | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/power/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/power/axp818.c | 10 |
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index b365fd4..02cb8e7 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 3ac05ff..bf6ecd6 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; |