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| author | Stephen Boyd <sboyd@codeaurora.org> | 2015-06-12 03:37:04 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-06-12 15:09:43 +0300 |
| commit | 23c779b9f9161d6568d3b2fca06e70ad182c480c (patch) | |
| tree | 314598f81db70f24dc8ead5f84c708cb8d5f00ef /drivers/regulator/of_regulator.c | |
| parent | 22a10bca280073f81e9e2d9fed6f90a3bcf00236 (diff) | |
| download | linux-23c779b9f9161d6568d3b2fca06e70ad182c480c.tar.xz | |
regulator: Add pull down support
Some regulators need to be configured to pull down a resistor
when the regulator is disabled. Add an op (set_pull_down) and a
DT property + constraint to support this.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator/of_regulator.c')
| -rw-r--r-- | drivers/regulator/of_regulator.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index 482a86f90839..c3433db0acda 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -67,6 +67,8 @@ static void of_get_regulation_constraints(struct device_node *np, if (!constraints->always_on) /* status change should be possible. */ constraints->valid_ops_mask |= REGULATOR_CHANGE_STATUS; + constraints->pull_down = of_property_read_bool(np, "regulator-pull-down"); + if (of_property_read_bool(np, "regulator-allow-bypass")) constraints->valid_ops_mask |= REGULATOR_CHANGE_BYPASS; |