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| author | Pawel Moll <pawel.moll@arm.com> | 2012-09-24 21:56:54 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-10-15 06:56:08 +0400 |
| commit | 31e54086dd7bb86ad40f1d76a9063f2a95866b87 (patch) | |
| tree | 9e54d6dd2491ffa90ef10a4d8e86fd351497bdfe /Documentation/devicetree/bindings/regulator/vexpress.txt | |
| parent | bd7a2b600ace90c8819495b639a744c8f5c68feb (diff) | |
| download | linux-31e54086dd7bb86ad40f1d76a9063f2a95866b87.tar.xz | |
regulator: Versatile Express regulator driver
Implementation of the regulator framework driver for the
Versatile Express voltage control. Devices without
voltage constraints (ie. "regulator-[min|max]-microvolt"
properties in the DT node) are treated as fixed (or rather
read-only) regulators.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'Documentation/devicetree/bindings/regulator/vexpress.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/regulator/vexpress.txt | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/vexpress.txt b/Documentation/devicetree/bindings/regulator/vexpress.txt new file mode 100644 index 000000000000..d775f72487aa --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/vexpress.txt @@ -0,0 +1,32 @@ +Versatile Express voltage regulators +------------------------------------ + +Requires node properties: +- "compatible" value: "arm,vexpress-volt" +- "arm,vexpress-sysreg,func" when controlled via vexpress-sysreg + (see Documentation/devicetree/bindings/arm/vexpress-sysreg.txt + for more details) + +Required regulator properties: +- "regulator-name" +- "regulator-always-on" + +Optional regulator properties: +- "regulator-min-microvolt" +- "regulator-max-microvolt" + +See Documentation/devicetree/bindings/regulator/regulator.txt +for more details about the regulator properties. + +When no "regulator-[min|max]-microvolt" properties are defined, +the device is treated as fixed (or rather "read-only") regulator. + +Example: + volt@0 { + compatible = "arm,vexpress-volt"; + arm,vexpress-sysreg,func = <2 0>; + regulator-name = "Cores"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1050000>; + regulator-always-on; + }; |