Commit f32063c5 authored by Alexander Stein's avatar Alexander Stein Committed by Nicolas Ferre
Browse files

dt: atmel_ac97c: Add device tree documentation 



This adds the bindings for AC97 controller device tree support.

Signed-off-by: default avatarAlexander Stein <alexanders83@web.de>
Acked-By Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
parent 4bd37794

Documentation/devicetree/bindings/sound/atmel_ac97c.txt

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* Atmel AC97 controller



Required properties:

  - compatible: "atmel,at91sam9263-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,at91sam9263-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>;

};