linux-kernel - [PATCH 1/2] ASoC: rt5663: Add documentation for power supply support

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Message-Id: <20181115041334.79446-1-cychiang@chromium.org>
Date:   Thu, 15 Nov 2018 12:13:33 +0800
From:   Cheng-Yi Chiang <cychiang@...omium.org>
To:     linux-kernel@...r.kernel.org
Cc:     Mark Brown <broonie@...nel.org>, oder_chiou@...ltek.com,
        alsa-devel@...a-project.org, dgreid@...omium.org,
        tzungbi@...omium.org, Cheng-Yi Chiang <cychiang@...omium.org>
Subject: [PATCH 1/2] ASoC: rt5663: Add documentation for power supply support

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

Signed-off-by: Cheng-Yi Chiang <cychiang@...omium.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