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Message-ID: <1518614467-20613-3-git-send-email-cosmin.samoila@nxp.com>
Date: Wed, 14 Feb 2018 15:21:07 +0200
From: Cosmin-Gabriel Samoila <cosmin.samoila@....com>
To: <broonie@...nel.org>, <alsa-devel@...a-project.org>,
<devicetree@...r.kernel.org>, <robh@...nel.org>
CC: <mihai.serban@...il.com>, <linux-imx@....com>,
<shegjiu.wang@....com>, <daniel.baluta@....com>,
<linux-kernel@...r.kernel.org>,
Cosmin-Gabriel Samoila <cosmin.samoila@....com>
Subject: [PATCH v3 2/2] ASoC: ak4458: Add bindings for AK4458 DAC
Document the bindings for AK4458 DAC
Signed-off-by: Cosmin-Gabriel Samoila <cosmin.samoila@....com>
---
Documentation/devicetree/bindings/sound/ak4458.txt | 23 ++++++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/ak4458.txt
diff --git a/Documentation/devicetree/bindings/sound/ak4458.txt b/Documentation/devicetree/bindings/sound/ak4458.txt
new file mode 100644
index 0000000..7839be7
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/ak4458.txt
@@ -0,0 +1,23 @@
+AK4458 audio DAC
+
+This device supports I2C mode.
+
+Required properties:
+
+- compatible : "asahi-kasei,ak4458"
+- reg : The I2C address of the device for I2C
+
+Optional properties:
+- reset-gpios: A GPIO specifier for the power down & reset pin
+- mute-gpios: A GPIO specifier for the soft mute pin
+
+Example:
+
+&i2c {
+ ak4458: dac@10 {
+ compatible = "asahi-kasei,ak4458";
+ reg = <0x10>;
+ reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>
+ mute-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>
+ };
+};
--
2.7.4
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