From 0ddb46080a465fad99cff838682744f1f4848a4b Mon Sep 17 00:00:00 2001 From: Alexander Shiyan Date: Thu, 20 Dec 2018 10:37:08 +0300 Subject: [PATCH] ASoC: cs4341: Add DT bindings documentation for CS4341 DAC This patch adds DT bindings documentation for Cirrus Logic CS4341 DAC. Signed-off-by: Alexander Shiyan Signed-off-by: Mark Brown --- .../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>; + };