rockchip,rk3328-codec.txt

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    1 * Rockchip Rk3328 internal codec
    2 
    3 Required properties:
    4 
    5 - compatible: "rockchip,rk3328-codec"
    6 - reg: physical base address of the controller and length of memory mapped
    7   region.
    8 - rockchip,grf: the phandle of the syscon node for GRF register.
    9 - clocks: a list of phandle + clock-specifer pairs, one for each entry in clock-names.
   10 - clock-names: should be "pclk".
   11 - spk-depop-time-ms: speak depop time msec.
   12 
   13 Optional properties:
   14 
   15 - mute-gpios: GPIO specifier for external line driver control (typically the
   16               dedicated GPIO_MUTE pin)
   17 
   18 Example for rk3328 internal codec:
   19 
   20 codec: codec@ff410000 {
   21         compatible = "rockchip,rk3328-codec";
   22         reg = <0x0 0xff410000 0x0 0x1000>;
   23         rockchip,grf = <&grf>;
   24         clocks = <&cru PCLK_ACODEC>;
   25         clock-names = "pclk";
   26         mute-gpios = <&grf_gpio 0 GPIO_ACTIVE_LOW>;
   27         spk-depop-time-ms = 100;
   28 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/sound/rockchip,rk3328-codec.txt

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sys/contrib/device-tree/Bindings/sound/rockchip,rk3328-codec.txt