linux-kernel - [RESEND PATCH 1/2] ASoC: Add DT bindings documentation for max9759 amplifier

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Message-Id: <1520679916-13517-2-git-send-email-narmstrong@baylibre.com>
Date:   Sat, 10 Mar 2018 12:05:15 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     broonie@...nel.org
Cc:     Neil Armstrong <narmstrong@...libre.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: [RESEND PATCH 1/2] ASoC: Add DT bindings documentation for max9759 amplifier

This patch adds DT bindings documentation for Maxim MAX9759
speaker amplifier.

Reviewed-by: Rob Herring <robh@...nel.org>
Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
---
 .../devicetree/bindings/sound/maxim,max9759.txt        | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/maxim,max9759.txt

diff --git a/Documentation/devicetree/bindings/sound/maxim,max9759.txt b/Documentation/devicetree/bindings/sound/maxim,max9759.txt
new file mode 100644
index 0000000..737a996
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/maxim,max9759.txt
@@ -0,0 +1,18 @@
+Maxim MAX9759 Speaker Amplifier
+===============================
+
+Required properties:
+- compatible : "maxim,max9759"
+- shutdown-gpios : the gpio connected to the shutdown pin
+- mute-gpios : the gpio connected to the mute pin
+- gain-gpios : the 2 gpios connected to the g1 and g2 pins
+
+Example:
+
+max9759: analog-amplifier {
+	compatible = "maxim,max9759";
+	shutdown-gpios = <&gpio3 20 GPIO_ACTIVE_LOW>;
+	mute-gpios = <&gpio3 19 GPIO_ACTIVE_LOW>;
+	gain-gpios = <&gpio3 23 GPIO_ACTIVE_LOW>,
+		     <&gpio3 25 GPIO_ACTIVE_LOW>;
+};
-- 
2.7.4