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Diffstat (limited to 'dts/Bindings/sound/nvidia,tegra-audio-wm9712.txt')
| -rw-r--r-- | dts/Bindings/sound/nvidia,tegra-audio-wm9712.txt | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/dts/Bindings/sound/nvidia,tegra-audio-wm9712.txt b/dts/Bindings/sound/nvidia,tegra-audio-wm9712.txt new file mode 100644 index 0000000000..436f6cd9d0 --- /dev/null +++ b/dts/Bindings/sound/nvidia,tegra-audio-wm9712.txt @@ -0,0 +1,60 @@ +NVIDIA Tegra audio complex + +Required properties: +- compatible : "nvidia,tegra-audio-wm9712" +- clocks : Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. +- clock-names : Must include the following entries: + - pll_a + - pll_a_out0 + - mclk (The Tegra cdev1/extern1 clock, which feeds the CODEC's mclk) +- nvidia,model : The user-visible name of this sound complex. +- nvidia,audio-routing : A list of the connections between audio components. + Each entry is a pair of strings, the first being the connection's sink, + the second being the connection's source. Valid names for sources and + sinks are the WM9712's pins, and the jacks on the board: + + WM9712 pins: + + * MONOOUT + * HPOUTL + * HPOUTR + * LOUT2 + * ROUT2 + * OUT3 + * LINEINL + * LINEINR + * PHONE + * PCBEEP + * MIC1 + * MIC2 + * Mic Bias + + Board connectors: + + * Headphone + * LineIn + * Mic + +- nvidia,ac97-controller : The phandle of the Tegra AC97 controller + + +Example: + +sound { + compatible = "nvidia,tegra-audio-wm9712-colibri_t20", + "nvidia,tegra-audio-wm9712"; + nvidia,model = "Toradex Colibri T20"; + + nvidia,audio-routing = + "Headphone", "HPOUTL", + "Headphone", "HPOUTR", + "LineIn", "LINEINL", + "LineIn", "LINEINR", + "Mic", "MIC1"; + + nvidia,ac97-controller = <&ac97>; + + clocks = <&tegra_car 112>, <&tegra_car 113>, <&tegra_car 93>; + clock-names = "pll_a", "pll_a_out0", "mclk"; +}; |