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authorAlexander Stein <alexanders83@web.de>2014-12-29 13:08:40 +0100
committerNicolas Ferre <nicolas.ferre@atmel.com>2015-01-26 16:58:18 +0100
commitf32063c517b4e2773ba2df53934172dab60485a8 (patch)
tree4501ca4c22318ebb89c4217df844b152e8eaa941 /Documentation/devicetree
parent4bd377942b5de0ae14a9e6db4301cd4c6466f1fc (diff)
downloadop-kernel-dev-f32063c517b4e2773ba2df53934172dab60485a8.zip
op-kernel-dev-f32063c517b4e2773ba2df53934172dab60485a8.tar.gz
dt: atmel_ac97c: Add device tree documentation
This adds the bindings for AC97 controller device tree support. Signed-off-by: Alexander Stein <alexanders83@web.de> Acked-By Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/sound/atmel_ac97c.txt20
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diff --git a/Documentation/devicetree/bindings/sound/atmel_ac97c.txt b/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>;
+};
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