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| author | Krzysztof Kozlowski <krzk@kernel.org> | 2019-03-06 19:37:54 +0100 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2019-03-11 15:53:19 +0900 |
| commit | e66d1cb3c2344ee5bbf2059e75fa94350aea9f5f (patch) | |
| tree | 4a66659f0998cacf6dacd77605773ab66d78c22d /include/power | |
| parent | fce86100606d14e53517a3601849646e69715465 (diff) | |
| download | u-boot-e66d1cb3c2344ee5bbf2059e75fa94350aea9f5f.tar.gz u-boot-e66d1cb3c2344ee5bbf2059e75fa94350aea9f5f.tar.xz u-boot-e66d1cb3c2344ee5bbf2059e75fa94350aea9f5f.zip | |
regulator: Add support for ramp delay
Changing voltage and enabling regulator might require delays so the
regulator stabilizes at expected level.
Add support for "regulator-ramp-delay" binding which can introduce
required time to both enabling the regulator and to changing the
voltage.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Tested-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'include/power')
| -rw-r--r-- | include/power/regulator.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/power/regulator.h b/include/power/regulator.h index 314160a894..6c6e2cd4f9 100644 --- a/include/power/regulator.h +++ b/include/power/regulator.h @@ -150,6 +150,7 @@ enum regulator_flag { * @always_on* - bool type, true or false * @boot_on* - bool type, true or false * TODO(sjg@chromium.org): Consider putting the above two into @flags + * @ramp_delay - Time to settle down after voltage change (unit: uV/us) * @flags: - flags value (see REGULATOR_FLAG_...) * @name** - fdt regulator name - should be taken from the device tree * ctrl_reg: - Control register offset used to enable/disable regulator @@ -169,6 +170,7 @@ struct dm_regulator_uclass_platdata { int max_uV; int min_uA; int max_uA; + unsigned int ramp_delay; bool always_on; bool boot_on; const char *name; |