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Subject[PATCH 1/2] ASoC: pxa: add binding for pxa2xx-ac97 audio complex
Date
This adds a binding for the Marvell PXA audio complex, available in
pxa2xx and pxa3xx variants.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
---
.../bindings/sound/marvell,pxa2xx-ac97.txt | 25 ++++++++++++++++++++++
1 file changed, 25 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/marvell,pxa2xx-ac97.txt

diff --git a/Documentation/devicetree/bindings/sound/marvell,pxa2xx-ac97.txt b/Documentation/devicetree/bindings/sound/marvell,pxa2xx-ac97.txt
new file mode 100644
index 000000000000..b3f2882d9c7d
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/marvell,pxa2xx-ac97.txt
@@ -0,0 +1,25 @@
+Marvell PXA2xx audio complex
+
+This descriptions matches the AC97 controller found in pxa2xx and pxa3xx series.
+
+Required properties:
+ - compatible: "marvell,pxa2xx-ac97"
+ - reg: device MMIO address space
+ - interrupts: single interrupt generated by AC97 IP
+ - clocks: input clock of the AC97 IP, refer to clock-bindings.txt
+
+Optional properties:
+ - pinctrl-names, pinctrl-0: refer to pinctrl-bindings.txt
+ - reset-gpio: gpio used for AC97 reset, refer to gpio.txt
+
+Example:
+ ac97: sound@40500000 {
+ compatible = "marvell,pxa2xx-ac97";
+ reg = < 0x40500000 0x1000 >;
+ interrupts = <14>;
+ reset-gpio = <&gpio 113 GPIO_ACTIVE_HIGH>;
+ #sound-dai-cells = <1>;
+ pinctrl-names = "default";
+ pinctrl-0 = < &pmux_ac97_default >;
+ status = "okay";
+ };
--
2.11.0
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