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Subject[PATCH 1/2] ASoC: rt5663: Add documentation for power supply support
Date
rt5663 codec driver will support setting CPVDD and AVDD power supply
from device tree.

Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org>
---
Fixed the commit title of v1.

Documentation/devicetree/bindings/sound/rt5663.txt | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/rt5663.txt b/Documentation/devicetree/bindings/sound/rt5663.txt
index 23386446c63d6..d4058dfde0392 100644
--- a/Documentation/devicetree/bindings/sound/rt5663.txt
+++ b/Documentation/devicetree/bindings/sound/rt5663.txt
@@ -36,6 +36,9 @@ Optional properties:
"realtek,impedance_sensing_num" is 2. It means that there are 2 ranges of
impedance in the impedance sensing function.

+- avdd-supply: Power supply for AVDD, providing 1.8V.
+- cpvdd-supply: Power supply for CPVDD, providing 3.5V.
+
Pins on the device (for linking into audio routes) for RT5663:

* IN1P
@@ -51,4 +54,6 @@ rt5663: codec@12 {
compatible = "realtek,rt5663";
reg = <0x12>;
interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
+ avdd-supply = <&pp1800_a_alc5662>;
+ cpvdd-supply = <&pp3500_a_alc5662>;
};
--
2.19.1.930.g4563a0d9d0-goog
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