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Diffstat (limited to 'Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.txt | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.txt b/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.txt new file mode 100644 index 000000000..21cd31096 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.txt @@ -0,0 +1,35 @@ +NVIDIA Tegra30 HDA controller + +Required properties: +- compatible : For Tegra30, must contain "nvidia,tegra30-hda". Otherwise, + must contain '"nvidia,<chip>-hda", "nvidia,tegra30-hda"', where <chip> is + tegra114, tegra124, or tegra132. +- reg : Should contain the HDA registers location and length. +- interrupts : The interrupt from the HDA controller. +- clocks : Must contain an entry for each required entry in clock-names. + See ../clocks/clock-bindings.txt for details. +- clock-names : Must include the following entries: hda, hda2hdmi, hda2codec_2x +- resets : Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. +- reset-names : Must include the following entries: hda, hda2hdmi, hda2codec_2x + +Optional properties: +- nvidia,model : The user-visible name of this sound complex. Since the property + is optional, legacy boards can use default name provided in hda driver. + +Example: + +hda@70030000 { + compatible = "nvidia,tegra124-hda", "nvidia,tegra30-hda"; + reg = <0x0 0x70030000 0x0 0x10000>; + interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&tegra_car TEGRA124_CLK_HDA>, + <&tegra_car TEGRA124_CLK_HDA2HDMI>, + <&tegra_car TEGRA124_CLK_HDA2CODEC_2X>; + clock-names = "hda", "hda2hdmi", "hda2codec_2x"; + resets = <&tegra_car 125>, /* hda */ + <&tegra_car 128>, /* hda2hdmi */ + <&tegra_car 111>; /* hda2codec_2x */ + reset-names = "hda", "hda2hdmi", "hda2codec_2x"; + nvidia,model = "jetson-tk1-hda"; +}; |