[PATCH v2] dt: atmel_ac97c: Add device tree documentation
From: Alexander Stein <hidden>
Date: 2014-12-10 19:59:38
Subsystem:
microchip audio asoc drivers, open firmware and flattened device tree bindings, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Claudiu Beznea, Andrei Simion, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Liam Girdwood, Mark Brown, Linus Torvalds
This adds the bindings for AC97 controller device tree support. Signed-off-by: Alexander Stein <alexanders83-S0/GAf8tV78@public.gmane.org> --- Changes in v2: * Split from commit adding actual code .../devicetree/bindings/sound/atmel_ac97c.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/atmel_ac97c.txt
diff --git a/Documentation/devicetree/bindings/sound/atmel_ac97c.txt b/Documentation/devicetree/bindings/sound/atmel_ac97c.txt
new file mode 100644
index 0000000..f3ee0f0
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/atmel_ac97c.txt@@ -0,0 +1,20 @@ +* Atmel AC97 controller + +Required properties: + - compatible: "atmel,atmel_ac97c" + - reg: Address and length of the register set for the device + - interrupts: Should contain AC97 interrupt + - ac97-gpios: Please refer to soc-ac97link.txt, only ac97-reset is used +Optional properties: + - pinctrl-names, pinctrl-0: Please refer to pinctrl-bindings.txt + +Example: +sound@fffa0000 { + compatible = "atmel,atmel_ac97c"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ac97>; + reg = <0xfffa0000 0x4000>; + interrupts = <18 IRQ_TYPE_LEVEL_HIGH 5>; + + ac97-gpios = <&pioB 0 0 &pioB 2 0 &pioC 29 GPIO_ACTIVE_LOW>; +};
--
2.2.0
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