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ASoC: img: Add binding document for Pistachio internal DAC

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Add binding document for Pistachio Internal DAC

Signed-off-by: Damien.Horsley <Damien.Horsley@imgtec.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Damien.Horsley 2015-12-10 14:40:11 +00:00 committed by Mark Brown
parent 7f0e823d58
commit 7274d07c4f
1 changed files with 18 additions and 0 deletions
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Documentation/devicetree/bindings/sound/img,pistachio-internal-dac.txt Normal file
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Pistachio internal DAC DT bindings
Required properties:
- compatible: "img,pistachio-internal-dac"
- img,cr-top : Must contain a phandle to the top level control syscon
node which contains the internal dac control registers
- VDD-supply : Digital power supply regulator (+1.8V or +3.3V)
Examples:
internal_dac: internal-dac {
compatible = "img,pistachio-internal-dac";
img,cr-top = <&cr_top>;
VDD-supply = <&supply3v3>;
};