linux-kernel - [PATCH 1/2] devicetree: sound: add binding for WM8974 codec

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Date:	Wed, 16 Dec 2015 13:02:54 +0000
From:	Mans Rullgard <mans@...sr.com>
To:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] devicetree: sound: add binding for WM8974 codec

This adds a binding for the Wolfson WM8974 mono audio codec.

Signed-off-by: Mans Rullgard <mans@...sr.com>
---
The Linux driver for this device currently only supports I2C, but SPI
could easily be added if necessary, and DT bindings are supposed to be
generic.
---
 Documentation/devicetree/bindings/sound/wlf,wm8974.txt | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/wlf,wm8974.txt

diff --git a/Documentation/devicetree/bindings/sound/wlf,wm8974.txt b/Documentation/devicetree/bindings/sound/wlf,wm8974.txt
new file mode 100644
index 0000000..01d3a7c
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/wlf,wm8974.txt
@@ -0,0 +1,15 @@
+WM8974 audio CODEC
+
+This device supports both I2C and SPI (configured with pin strapping
+on the board).
+
+Required properties:
+  - compatible: "wlf,wm8974"
+  - reg: the I2C address or SPI chip select number of the device
+
+Examples:
+
+codec: wm8974@1a {
+	compatible = "wlf,wm8974";
+	reg = <0x1a>;
+};
-- 
2.6.3

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