On Wed, Dec 07, 2016 at 02:17:28PM -0600, Li Xu wrote:
Add devicetree bindings documentation file for Cirrus Logic CS43130 codec.
Signed-off-by: Li Xu li.xu@cirrus.com
.../devicetree/bindings/sound/cs43130.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/cs43130.txt
diff --git a/Documentation/devicetree/bindings/sound/cs43130.txt b/Documentation/devicetree/bindings/sound/cs43130.txt new file mode 100644 index 0000000..9a2a22a --- /dev/null +++ b/Documentation/devicetree/bindings/sound/cs43130.txt @@ -0,0 +1,41 @@ +CS43130 DAC
+Required properties:
- compatible : "cirrus,cs43130"
- reg : the I2C address of the device for I2C
- VA-supply, VP-supply, VL-supply, VCP-supply, VD-supply:
- power supplies for the device, as covered in
- Documentation/devicetree/bindings/regulator/regulator.txt.
+Optional properties:
- reset-gpios : gpio used to reset the Device
Please state the active state and set that in the flag cell.
- cirrus,xtal-ibias:
- When external MCLK is generated by external crystal
- oscillator, CS43130 can be used to provide bias current
- for external crystal. Amount of bias current sent is
- set as:
- 1 = 7.5uA
- 2 = 12.5uA
- 3 = 15uA
+Example:
+cs43130: cs43130@30 {
audio-codec@30
- compatible = "cirrus,cs43130";
- reg = <0x30>;
- reset-gpios = <&axi_gpio 54 0>;
- VA-supply = <&dummy_vreg>;
Some whitespace problems here.
- VP-supply = <&dummy_vreg>;
- VL-supply = <&dummy_vreg>;
- VCP-supply = <&dummy_vreg>;
- VD-supply = <&dummy_vreg>;
- cirrus,xtal-ibias = <2>;
- interrupt-parent = <&gpio0>;
- interrupts = <55 8>;
+};
1.9.1