From 609dad9bdf970da0952cea29a4442318cd4a090e Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Sat, 5 Jan 2013 02:18:43 +0100 Subject: ASoC: tegra: add ac97 host driver This adds the driver for the Tegra 2x AC97 host controller. Signed-off-by: Lucas Stach Reviewed-by: Stephen Warren Signed-off-by: Mark Brown --- .../bindings/sound/nvidia,tegra20-ac97.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra20-ac97.txt (limited to 'Documentation/devicetree/bindings/sound') 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>; +}; -- cgit v1.2.3 From 6995b8cb9622bf574ac6f309e69288e7d0f76ece Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Wed, 16 Jan 2013 13:05:12 +0100 Subject: ASoC: tegra: add tegra machine driver using wm9712 codec This adds a very simple machine driver using the Wolfson wm9712 AC97 codec. Signed-off-by: Lucas Stach Reviewed-by: Stephen Warren Signed-off-by: Mark Brown --- .../bindings/sound/nvidia,tegra-audio-wm9712.txt | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm9712.txt (limited to 'Documentation/devicetree/bindings/sound') diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm9712.txt b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm9712.txt new file mode 100644 index 000000000000..be35d34e8b26 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm9712.txt @@ -0,0 +1,51 @@ +NVIDIA Tegra audio complex + +Required properties: +- compatible : "nvidia,tegra-audio-wm9712" +- 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>; +}; -- cgit v1.2.3