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d052a3d6a7
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>
28 lines
987 B
Plaintext
28 lines
987 B
Plaintext
* Nokia N900 audio setup
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Required properties:
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- compatible: Should contain "nokia,n900-audio"
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- nokia,cpu-dai: phandle for the McBSP node
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- nokia,audio-codec: phandles for the main TLV320AIC3X node and the
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auxiliary TLV320AIC3X node (in this order)
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- nokia,headphone-amplifier: phandle for the TPA6130A2 node
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- tvout-selection-gpios: GPIO for tvout selection
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- jack-detection-gpios: GPIO for jack detection
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- eci-switch-gpios: GPIO for ECI (Enhancement Control Interface) switch
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- speaker-amplifier-gpios: GPIO for speaker amplifier
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Example:
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sound {
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compatible = "nokia,n900-audio";
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nokia,cpu-dai = <&mcbsp2>;
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nokia,audio-codec = <&tlv320aic3x>, <&tlv320aic3x_aux>;
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nokia,headphone-amplifier = <&tpa6130a2>;
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tvout-selection-gpios = <&gpio2 8 GPIO_ACTIVE_HIGH>; /* 40 */
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jack-detection-gpios = <&gpio6 17 GPIO_ACTIVE_HIGH>; /* 177 */
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eci-switch-gpios = <&gpio6 22 GPIO_ACTIVE_HIGH>; /* 182 */
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speaker-amplifier-gpios = <&twl_gpio 7 GPIO_ACTIVE_HIGH>;
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};
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