diff options
author | Lucas Stach <dev@lynxeye.de> | 2013-01-05 02:18:43 +0100 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-01-14 08:21:04 +0900 |
commit | 609dad9bdf970da0952cea29a4442318cd4a090e (patch) | |
tree | 7ed471b8e4e80a402357c55b66fd43fcb0ddcad6 /Documentation/devicetree | |
parent | 15fab585070ebdd6b31880b3a9a848389d302dd2 (diff) | |
download | linux-609dad9bdf970da0952cea29a4442318cd4a090e.tar.bz2 |
ASoC: tegra: add ac97 host driver
This adds the driver for the Tegra 2x AC97 host controller.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r-- | Documentation/devicetree/bindings/sound/nvidia,tegra20-ac97.txt | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra20-ac97.txt b/Documentation/devicetree/bindings/sound/nvidia,tegra20-ac97.txt new file mode 100644 index 000000000000..c1454979c1ef --- /dev/null +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra20-ac97.txt @@ -0,0 +1,22 @@ +NVIDIA Tegra 20 AC97 controller + +Required properties: +- compatible : "nvidia,tegra20-ac97" +- reg : Should contain AC97 controller registers location and length +- interrupts : Should contain AC97 interrupt +- nvidia,dma-request-selector : The Tegra DMA controller's phandle and + request selector for the AC97 controller +- nvidia,codec-reset-gpio : The Tegra GPIO controller's phandle and the number + of the GPIO used to reset the external AC97 codec +- nvidia,codec-sync-gpio : The Tegra GPIO controller's phandle and the number + of the GPIO corresponding with the AC97 DAP _FS line +Example: + +ac97@70002000 { + compatible = "nvidia,tegra20-ac97"; + reg = <0x70002000 0x200>; + interrupts = <0 81 0x04>; + nvidia,dma-request-selector = <&apbdma 12>; + nvidia,codec-reset-gpio = <&gpio 170 0>; + nvidia,codec-sync-gpio = <&gpio 120 0>; +}; |