This patch adds DT bindings documentation for Cirrus Logic
CS4341 DAC.
Signed-off-by: Alexander Shiyan <shc_work@xxxxxxx>
---
Documentation/devicetree/bindings/sound/cs4341.txt | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/cs4341.txt
diff --git a/Documentation/devicetree/bindings/sound/cs4341.txt b/Documentation/devicetree/bindings/sound/cs4341.txt
new file mode 100644
index 000000000000..12b4aa8ef0db
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/cs4341.txt
@@ -0,0 +1,22 @@
+Cirrus Logic CS4341 audio DAC
+
+This device supports both I2C and SPI (configured with pin strapping
+on the board).
+
+Required properties:
+ - compatible: "cirrus,cs4341a"
+ - reg : the I2C address of the device for I2C, the chip select
+ number for SPI.
+
+For required properties on I2C-bus, please consult
+Documentation/devicetree/bindings/i2c/i2c.txt
+For required properties on SPI-bus, please consult
+Documentation/devicetree/bindings/spi/spi-bus.txt
+
+Example:
+ codec: cs4341@0 {
+ #sound-dai-cells = <0>;
+ compatible = "cirrus,cs4341a";
+ reg = <0>;
+ spi-max-frequency = <6000000>;
+ };
--
2.13.0
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