[alsa-devel] [PATCH v5 2/5] ASoC: codecs: Add msm8916-wcd digital codec

[Rob Herring]

On Thu, Sep 08, 2016 at 02:04:53PM +0100, Srinivas Kandagatla wrote:
> msm8916-wcd codec is found in Qualcomm msm8916 and apq8016 processors.
> This codec IP is split in to two parts(Digital & Analog).
> Analog part is integrated in to PMIC PM8916 and the digital part is
> integrated into Application processor. Data transfer between Analog and
> Digital Die is done via a internal bus called PDM.
> 
> This patch adds support to Digital part of the Codec which is integrated
> into Application Processor.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
> ---
>  .../bindings/sound/qcom,msm8916-wcd-digital.txt    |  20 +
>  sound/soc/codecs/Kconfig                           |   3 +
>  sound/soc/codecs/Makefile                          |   2 +
>  sound/soc/codecs/msm8916-wcd-digital.c             | 920 +++++++++++++++++++++
>  4 files changed, 945 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-digital.txt
>  create mode 100644 sound/soc/codecs/msm8916-wcd-digital.c
> 
> diff --git a/Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-digital.txt b/Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-digital.txt
> new file mode 100644
> index 0000000..6342549
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-digital.txt
> @@ -0,0 +1,20 @@
> +msm8916 digital audio CODEC
> +
> +## Bindings for codec core in lpass:
> +
> +Required properties
> + - compatible = "qcom,msm8916-wcd-digital-codec";
> + - reg: address space for lpass codec.
> + - clocks: Handle to mclk and ahbclk
> + - clock-names: should be "mclk", "ahbix-clk".
> +
> +Example:
> +
> +lpass_codec: codec{

audio-codec at 771c000

> +	compatible = "qcom,msm8916-wcd-digital-codec";
> +	reg = <0x0771c000 0x400>;
> +	clocks = <&gcc GCC_ULTAUDIO_AHBFABRIC_IXFABRIC_CLK>,
> +		 <&gcc GCC_CODEC_DIGCODEC_CLK>;
> +	clock-names = "ahbix-clk", "mclk";
> +	#sound-dai-cells = <1>;
> +};