From d052a3d6a7955f917fe940b1fecdaf20fa61efae Mon Sep 17 00:00:00 2001 From: Sebastian Reichel Date: Mon, 28 Apr 2014 16:07:26 +0200 Subject: ASoC: omap: rx51: Add DT support This patch adds device tree support to the Nokia N900 audio driver and adds documentation for the DT binding. Signed-off-by: Sebastian Reichel Signed-off-by: Mark Brown --- .../devicetree/bindings/sound/nokia,rx51.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/nokia,rx51.txt (limited to 'Documentation/devicetree/bindings/sound/nokia,rx51.txt') diff --git a/Documentation/devicetree/bindings/sound/nokia,rx51.txt b/Documentation/devicetree/bindings/sound/nokia,rx51.txt new file mode 100644 index 0000000..72f93d9 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/nokia,rx51.txt @@ -0,0 +1,27 @@ +* Nokia N900 audio setup + +Required properties: +- compatible: Should contain "nokia,n900-audio" +- nokia,cpu-dai: phandle for the McBSP node +- nokia,audio-codec: phandles for the main TLV320AIC3X node and the + auxiliary TLV320AIC3X node (in this order) +- nokia,headphone-amplifier: phandle for the TPA6130A2 node +- tvout-selection-gpios: GPIO for tvout selection +- jack-detection-gpios: GPIO for jack detection +- eci-switch-gpios: GPIO for ECI (Enhancement Control Interface) switch +- speaker-amplifier-gpios: GPIO for speaker amplifier + +Example: + +sound { + compatible = "nokia,n900-audio"; + + nokia,cpu-dai = <&mcbsp2>; + nokia,audio-codec = <&tlv320aic3x>, <&tlv320aic3x_aux>; + nokia,headphone-amplifier = <&tpa6130a2>; + + tvout-selection-gpios = <&gpio2 8 GPIO_ACTIVE_HIGH>; /* 40 */ + jack-detection-gpios = <&gpio6 17 GPIO_ACTIVE_HIGH>; /* 177 */ + eci-switch-gpios = <&gpio6 22 GPIO_ACTIVE_HIGH>; /* 182 */ + speaker-amplifier-gpios = <&twl_gpio 7 GPIO_ACTIVE_HIGH>; +}; -- cgit v1.1