linux-kernel - [PATCH v3 2/2] ASoC: Add bindings for PCM1789

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Message-Id: <20180315161825.5524-3-mylene.josserand@bootlin.com>
Date:   Thu, 15 Mar 2018 17:18:25 +0100
From:   Mylène Josserand <mylene.josserand@...tlin.com>
To:     lgirdwood@...il.com, broonie@...nel.org, robh+dt@...nel.org,
        mark.rutland@....com, perex@...ex.cz, tiwai@...e.com
Cc:     alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, alexandre.belloni@...tlin.com,
        thomas.petazzoni@...tlin.com, mylene.josserand@...tlin.com,
        michael@...rulasolutions.com
Subject: [PATCH v3 2/2] ASoC: Add bindings for PCM1789

Add a device-tree binding for Texas Instrument's PCM1789 codec.
For the moment, only I2C bus is supported but SPI could be added
in future.

Signed-off-by: Mylène Josserand <mylene.josserand@...tlin.com>
---
 .../devicetree/bindings/sound/pcm1789.txt          | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/pcm1789.txt

diff --git a/Documentation/devicetree/bindings/sound/pcm1789.txt b/Documentation/devicetree/bindings/sound/pcm1789.txt
new file mode 100644
index 000000000000..3c74ed220ac2
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/pcm1789.txt
@@ -0,0 +1,22 @@
+Texas Instruments pcm1789 DT bindings
+
+PCM1789 is a simple audio codec that can be connected via
+I2C or SPI. Currently, only I2C bus is supported.
+
+Required properties:
+
+ - compatible: "ti,pcm1789"
+
+Required properties on I2C:
+
+ - reg: the I2C address
+ - reset-gpios: GPIO to control the RESET pin
+
+Examples:
+
+	audio-codec@4c {
+		compatible = "ti,pcm1789";
+		reg = <0x4c>;
+		reset-gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
+		#sound-dai-cells = <0>;
+	};
-- 
2.11.0