linux-kernel - [PATCH 1/2] dt-bindings: Added device tree binding for max98390

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Message-Id: <20200509031737.8937-1-steves.lee@maximintegrated.com>
Date:   Sat,  9 May 2020 12:17:37 +0900
From:   Steve Lee <steves.lee.maxim@...il.com>
To:     lgirdwood@...il.com, broonie@...nel.org, robh+dt@...nel.org,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     steves.lee.maxim@...il.com, steves.lee@...imintegrated.com
Subject: [PATCH 1/2] dt-bindings: Added device tree binding for max98390

Signed-off-by: Steve Lee <steves.lee@...imintegrated.com>
---
 .../devicetree/bindings/sound/max98390.txt    | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/max98390.txt

diff --git a/Documentation/devicetree/bindings/sound/max98390.txt b/Documentation/devicetree/bindings/sound/max98390.txt
new file mode 100644
index 000000000000..147dfd88cd3b
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/max98390.txt
@@ -0,0 +1,26 @@
+Maxim Integrated MAX98390 Speaker Amplifier
+
+This device supports I2C.
+
+Required properties:
+
+ - compatible : "maxim,max98390"
+
+ - reg : the I2C address of the device.
+
+Optional properties:
+
+ - maxim,temperature_calib
+   u32. The calculated temperature data was measured while doing the calibration. Data calibration : Temp / 100 * 2^12
+
+ - maxim,r0_calib
+   u32. This is r0 calibration data which was measured in factory mode.
+
+Example:
+
+codec: max98390@38 {
+   compatible = "maxim,max98390";
+   reg = <0x38>;
+   maxim,temperature_calib = <1024>;
+   maxim,r0_calib = <0x224050>;
+};
-- 
2.17.1