linux-kernel - [PATCH 3/8] ASoC: dt-bindings: rt5682: Add AVDD, MICVDD and VBAT supplies

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Message-Id: <20221028205540.3197304-4-nfraprado@collabora.com>
Date:   Fri, 28 Oct 2022 16:55:35 -0400
From:   Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
To:     Mark Brown <broonie@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>
Cc:     kernel@...labora.com,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/8] ASoC: dt-bindings: rt5682: Add AVDD, MICVDD and VBAT supplies

The rt5682 codec has three supplies - AVDD, MICVDD and VBAT - which are
already used by sc7180-trogdor.dtsi. Document them in the binding.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>

---
Commit adapted from [1], changes:
- Made supplies required
- Improved supplies descriptions

[1] https://lore.kernel.org/all/20221024220015.1759428-5-nfraprado@collabora.com

 Documentation/devicetree/bindings/sound/rt5682.txt | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/rt5682.txt b/Documentation/devicetree/bindings/sound/rt5682.txt
index 6b87db68337c..89e6245b870e 100644
--- a/Documentation/devicetree/bindings/sound/rt5682.txt
+++ b/Documentation/devicetree/bindings/sound/rt5682.txt
@@ -8,6 +8,15 @@ Required properties:
 
 - reg : The I2C address of the device.
 
+- AVDD-supply: phandle to the regulator supplying analog power through the
+  AVDD pin
+
+- MICVDD-supply: phandle to the regulator supplying power for the microphone
+  bias through the MICVDD pin. Either MICVDD or VBAT should be present.
+
+- VBAT-supply: phandle to the regulator supplying battery power through the
+  VBAT pin. Either MICVDD or VBAT should be present.
+
 Optional properties:
 
 - interrupts : The CODEC's interrupt output.
@@ -75,4 +84,7 @@ rt5682 {
 
 	clocks = <&osc>;
 	clock-names = "mclk";
+
+	AVDD-supply = <&avdd_reg>;
+	MICVDD-supply = <&micvdd_reg>;
 };
-- 
2.38.1