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Date: Fri, 5 Jun 2020 18:33:42 +0800
From: Jiaxin Yu <jiaxin.yu@...iatek.com>
To: <lgirdwood@...il.com>, <broonie@...nel.org>, <tiwai@...e.com>,
<matthias.bgg@...il.com>, <hariprasad.kelam@...il.com>
CC: <alsa-devel@...a-project.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <howie.huang@...iatek.com>,
<tzungbi@...gle.com>, Jiaxin Yu <jiaxin.yu@...iatek.com>
Subject: [PATCH v2 2/2] ASoC: dt-bindings: mediatek: mt6358: add dmic-mode property
Adds dmic-mode property and updates example.
Signed-off-by: Jiaxin Yu <jiaxin.yu@...iatek.com>
---
Documentation/devicetree/bindings/sound/mt6358.txt | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/mt6358.txt b/Documentation/devicetree/bindings/sound/mt6358.txt
index 5465730..59a73ff 100644
--- a/Documentation/devicetree/bindings/sound/mt6358.txt
+++ b/Documentation/devicetree/bindings/sound/mt6358.txt
@@ -10,9 +10,15 @@ Required properties:
- compatible : "mediatek,mt6358-sound".
- Avdd-supply : power source of AVDD
+Optional properties:
+- mediatek,dmic-mode : Indicates how many data pins are used to transmit two
+ channels of PDM signal. 0 means two wires, 1 means one wire. Default
+ value is 0.
+
Example:
mt6358_snd {
compatible = "mediatek,mt6358-sound";
Avdd-supply = <&mt6358_vaud28_reg>;
+ mediatek,dmic-mode = <0>;
};
--
1.8.1.1.dirty
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