linux-kernel - [PATCH v4 2/2] ASoC: ak5558: Add bindings for AK5558 ADC

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Message-ID: <1518532174-11350-3-git-send-email-daniel.baluta@nxp.com>
Date:   Tue, 13 Feb 2018 16:29:34 +0200
From:   Daniel Baluta <daniel.baluta@....com>
To:     <broonie@...nel.org>, <alsa-devel@...a-project.org>,
        <devicetree@...r.kernel.org>, <andy.shevchenko@...il.com>,
        <fabio.estevam@....com>, <robh@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <wakasugi.jb@...asahi-kasei.co.jp>,
        <shengjiu.wang@....com>, <daniel.baluta@....com>,
        <mihai.serban@...il.com>, <cosmin.samoila@....com>,
        <linux-imx@....com>, <daniel.baluta@...il.com>
Subject: [PATCH v4 2/2] ASoC: ak5558: Add bindings for AK5558 ADC

Document the bindings for AK5558 ADC.

Reviewed-by: Rob Herring <robh@...nel.org>
Signed-off-by: Daniel Baluta <daniel.baluta@....com>
---
 Documentation/devicetree/bindings/sound/ak5558.txt | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/ak5558.txt

diff --git a/Documentation/devicetree/bindings/sound/ak5558.txt b/Documentation/devicetree/bindings/sound/ak5558.txt
new file mode 100644
index 0000000..7d67ca6
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/ak5558.txt
@@ -0,0 +1,22 @@
+AK5558 8 channel differential 32-bit delta-sigma ADC
+
+This device supports I2C mode only.
+
+Required properties:
+
+- compatible : "asahi-kasei,ak5558"
+- reg : The I2C address of the device.
+
+Optional properties:
+
+- reset-gpios: A GPIO specifier for the power down & reset pin.
+
+Example:
+
+&i2c {
+	ak5558: adc@10 {
+		compatible = "asahi-kasei,ak5558";
+		reg = <0x10>;
+		reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
+	};
+};
-- 
2.7.4