ASoC: Add bindings for DMIC codec driver

This patch adds documentation of device tree bindings for audio DMIC codec. Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com> Signed-off-by: Mark Brown <broonie@kernel.org>
mariux64 · Aug 2, 2017 · 5863e57 · 5863e57
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diff --git a/Documentation/devicetree/bindings/sound/dmic.txt b/Documentation/devicetree/bindings/sound/dmic.txt
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+Device-Tree bindings for Digital microphone (DMIC) codec
+
+This device support generic PDM digital microphone.
+
+Required properties:
+	- compatible: should be "dmic-codec".
+
+Example node:
+
+	dmic_codec: dmic@0 {
+		compatible = "dmic-codec";
+	};