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regulator: Introduce property to flag set-load support

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Introduce "regulator-allow-set-load" property to make it possible to
flag in the board configuration that a regulator is allowed to have the
load requirements changed.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Bjorn Andersson 2015-08-18 15:14:06 -07:00 committed by Mark Brown
parent 6ff33f3902
commit b263d20373
2 changed files with 4 additions and 0 deletions
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1
Documentation/devicetree/bindings/regulator/regulator.txt
View File

@ -11,6 +11,7 @@ Optional properties:
- regulator-always-on: boolean, regulator should never be disabled
- regulator-boot-on: bootloader/firmware enabled regulator
- regulator-allow-bypass: allow the regulator to go into bypass mode
- regulator-allow-set-load: allow the regulator performance level to be configured
- <name>-supply: phandle to the parent supply/regulator node
- regulator-ramp-delay: ramp delay for regulator(in uV/uS)
For hardware which supports disabling ramp rate, it should be explicitly

3
drivers/regulator/of_regulator.c
View File

@ -76,6 +76,9 @@ static void of_get_regulation_constraints(struct device_node *np,
if (of_property_read_bool(np, "regulator-allow-bypass"))
constraints->valid_ops_mask |= REGULATOR_CHANGE_BYPASS;
if (of_property_read_bool(np, "regulator-allow-set-load"))
constraints->valid_ops_mask |= REGULATOR_CHANGE_DRMS;
ret = of_property_read_u32(np, "regulator-ramp-delay", &pval);
if (!ret) {
if (pval)