diff options
author | Sebastian Reichel <sre@kernel.org> | 2014-04-28 16:07:26 +0200 |
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committer | Mark Brown <broonie@linaro.org> | 2014-05-01 10:57:34 -0700 |
commit | d052a3d6a7955f917fe940b1fecdaf20fa61efae (patch) | |
tree | 3e8c6cec37c21606c6b49b090d9ec0dd53000e50 /Documentation | |
parent | f29b542183df7dc74664799c356f9a041f67a10b (diff) | |
download | linux-d052a3d6a7955f917fe940b1fecdaf20fa61efae.tar.bz2 |
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 <sre@kernel.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/sound/nokia,rx51.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/nokia,rx51.txt b/Documentation/devicetree/bindings/sound/nokia,rx51.txt new file mode 100644 index 000000000000..72f93d996273 --- /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>; +}; |