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ASoC: rt5663: Add documentation for power supply support

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rt5663 codec driver will support setting CPVDD and AVDD power supply
from device tree.

Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Cheng-Yi Chiang 2018-11-16 10:12:43 +08:00 committed by Mark Brown
parent fd7de6370c
commit 276aa6d38e
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1 changed files with 6 additions and 0 deletions
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6
Documentation/devicetree/bindings/sound/rt5663.txt
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@ -10,6 +10,10 @@ Required properties:
- interrupts : The CODEC's interrupt output.
- avdd-supply: Power supply for AVDD, providing 1.8V.
- cpvdd-supply: Power supply for CPVDD, providing 3.5V.
Optional properties:
- "realtek,dc_offset_l_manual"
@ -51,4 +55,6 @@ rt5663: codec@12 {
compatible = "realtek,rt5663";
reg = <0x12>;
interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
avdd-supply = <&pp1800_a_alc5662>;
cpvdd-supply = <&pp3500_a_alc5662>;
};