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| author | Krzysztof Kozlowski <k.kozlowski@samsung.com> | 2014-01-24 13:37:57 (GMT) |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-01-27 20:24:17 (GMT) |
| commit | ee1e0994ab1bd302fd03432de79c07751df47ffa (patch) | |
| tree | 04ecbe1f9b036da25496727fd2d4ced15f8f22dd /init/main.c | |
| parent | 07b19808486054f356dbf3495a277f51af062b35 (diff) | |
| download | linux-ee1e0994ab1bd302fd03432de79c07751df47ffa.tar.xz | |
regulator: s5m8767: Use GPIO for controlling Buck9/eMMC
Add support for GPIO control (enable/disable) over Buck9. The Buck9
Converter is used as a supply for eMMC Host Controller.
BUCK9EN GPIO of S5M8767 chip may be used by application processor to
enable or disable the Buck9. This has two benefits:
- It is faster than toggling it over I2C bus.
- It allows disabling the regulator during suspend to RAM; The AP will
enable it during resume; Without the patch the regulator supplying
eMMC must be defined as fixed-regulator.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'init/main.c')
0 files changed, 0 insertions, 0 deletions