[PATCH v2 2/2] ASoC: cs43130: Add devicetree bindings for CS43130
From: Li Xu <hidden>
Date: 2016-12-12 20:17:31
Also in:
alsa-devel
Subsystem:
open firmware and flattened device tree bindings, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Liam Girdwood, Mark Brown, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2017-08-22 · Re: [PATCH v2 2/2] ASoC: cs43130: Add devicetree bindings for CS43130 · Li Xu <hidden>
- 2017-08-21 · Re: [PATCH v2 2/2] ASoC: cs43130: Add devicetree bindings for CS43130 · Rob Herring <hidden>
- 2017-08-18 · [PATCH v2 2/2] ASoC: cs43130: Add devicetree bindings for CS43130 · Li Xu <hidden>
- 2016-12-13 · Re: [PATCH v2 2/2] ASoC: cs43130: Add devicetree bindings for CS43130 · Rob Herring <hidden>
Add devicetree bindings documentation file for Cirrus Logic CS43130 codec. Signed-off-by: Li Xu <redacted> --- .../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..1af6b78
--- /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 : Active low GPIO used to reset the device + + - 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: audio-codec@30 { + compatible = "cirrus,cs43130"; + reg = <0x30>; + reset-gpios = <&axi_gpio 54 1>; + VA-supply = <&dummy_vreg>; + 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
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