On Wed, Sep 06, 2017 at 10:50:09AM +0800, Jeffy Chen wrote:
Add devicetree bindings documentation file for rt5514 spi dsp codec.
Also update rt5514 i2c dt-binding's compatible to distinguish it from rt5514 spi.
Signed-off-by: Jeffy Chen jeffy.chen@rock-chips.com
Changes in v9: Address comments from Brian.
.../devicetree/bindings/sound/rt5514-spi.txt | 29 ++++++++++++++++++++++ Documentation/devicetree/bindings/sound/rt5514.txt | 4 +-- 2 files changed, 31 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/sound/rt5514-spi.txt
diff --git a/Documentation/devicetree/bindings/sound/rt5514-spi.txt b/Documentation/devicetree/bindings/sound/rt5514-spi.txt new file mode 100644 index 000000000000..7911d1adbd29 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rt5514-spi.txt @@ -0,0 +1,29 @@ +RT5514 SPI audio CODEC
+This device supports SPI only.
+Required properties:
+- compatible : "realtek,rt5514" or "realtek,rt5514", "realtek,rt5514-spi".
+- reg : The SPI address of the device.
See below.
+Optional properties:
+- interrupt-parent: Should be the phandle for the interrupt controller +- interrupts: The interrupt number to the cpu. The interrupt specifier format
depends on the interrupt controller.+Example:
+codec: rt5514-spi@0 {
- compatible = "realtek,rt5514", "realtek,rt5514-spi";
- reg = <0>;
- pinctrl-names = "default";
- pinctrl-0 = <&mic_int>;
- interrupt-parent = <&gpio1>;
- interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
- wakeup-source;
This needs to be documented too.
+}; diff --git a/Documentation/devicetree/bindings/sound/rt5514.txt b/Documentation/devicetree/bindings/sound/rt5514.txt index 929ca6756b02..841a1159e234 100644 --- a/Documentation/devicetree/bindings/sound/rt5514.txt +++ b/Documentation/devicetree/bindings/sound/rt5514.txt @@ -4,7 +4,7 @@ This device supports I2C only.
SPI support should be added to this document.
Required properties:
-- compatible : "realtek,rt5514". +- compatible : "realtek,rt5514" or "realtek,rt5514", "realtek,rt5514-i2c".
There's no need for the -spi or -i2c compatibles. This is implied by being a child of those controllers.
- reg : The I2C address of the device.
@@ -28,6 +28,6 @@ Pins on the device (for linking into audio routes) for RT5514: Example:
codec: rt5514@57 {
- compatible = "realtek,rt5514";
- compatible = "realtek,rt5514", "realtek,rt5514-i2c"; reg = <0x57>;
};
2.11.0