diff options
Diffstat (limited to 'Documentation/devicetree/bindings/sound/sun4i-codec.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/sun4i-codec.txt | 65 |
1 files changed, 63 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/sound/sun4i-codec.txt b/Documentation/devicetree/bindings/sound/sun4i-codec.txt index 0dce690f78f5..3033bd8aab0f 100644 --- a/Documentation/devicetree/bindings/sound/sun4i-codec.txt +++ b/Documentation/devicetree/bindings/sound/sun4i-codec.txt @@ -1,8 +1,12 @@ * Allwinner A10 Codec Required properties: -- compatible: must be either "allwinner,sun4i-a10-codec" or - "allwinner,sun7i-a20-codec" +- compatible: must be one of the following compatibles: + - "allwinner,sun4i-a10-codec" + - "allwinner,sun6i-a31-codec" + - "allwinner,sun7i-a20-codec" + - "allwinner,sun8i-a23-codec" + - "allwinner,sun8i-h3-codec" - reg: must contain the registers location and length - interrupts: must contain the codec interrupt - dmas: DMA channels for tx and rx dma. See the DMA client binding, @@ -17,6 +21,43 @@ Required properties: Optional properties: - allwinner,pa-gpios: gpio to enable external amplifier +Required properties for the following compatibles: + - "allwinner,sun6i-a31-codec" + - "allwinner,sun8i-a23-codec" + - "allwinner,sun8i-h3-codec" +- resets: phandle to the reset control for this device +- allwinner,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 include: + + Audio pins on the SoC: + "HP" + "HPCOM" + "LINEIN" + "LINEOUT" (not on sun8i-a23) + "MIC1" + "MIC2" + "MIC3" (sun6i-a31 only) + + Microphone biases from the SoC: + "HBIAS" + "MBIAS" + + Board connectors: + "Headphone" + "Headset Mic" + "Line In" + "Line Out" + "Mic" + "Speaker" + +Required properties for the following compatibles: + - "allwinner,sun8i-a23-codec" + - "allwinner,sun8i-h3-codec" +- allwinner,codec-analog-controls: A phandle to the codec analog controls + block in the PRCM. + Example: codec: codec@01c22c00 { #sound-dai-cells = <0>; @@ -28,3 +69,23 @@ codec: codec@01c22c00 { dmas = <&dma 0 19>, <&dma 0 19>; dma-names = "rx", "tx"; }; + +codec: codec@01c22c00 { + #sound-dai-cells = <0>; + compatible = "allwinner,sun6i-a31-codec"; + reg = <0x01c22c00 0x98>; + interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_APB1_CODEC>, <&ccu CLK_CODEC>; + clock-names = "apb", "codec"; + resets = <&ccu RST_APB1_CODEC>; + dmas = <&dma 15>, <&dma 15>; + dma-names = "rx", "tx"; + allwinner,audio-routing = + "Headphone", "HP", + "Speaker", "LINEOUT", + "LINEIN", "Line In", + "MIC1", "MBIAS", + "MIC1", "Mic", + "MIC2", "HBIAS", + "MIC2", "Headset Mic"; +}; |