On Fri, Nov 06, 2015 at 06:22:43PM -0800, Simran Rai wrote:
> Add bindings for audio driver in Broadcom Cygnus.
>
> Signed-off-by: Lori Hikichi <lhiki...@broadcom.com>
> Signed-off-by: Simran Rai <ssim...@broadcom.com>
> Reviewed-by: Ray Jui <r...@broadcom.com>
> Reviewed-by: Scott Branden <sbran...@broadcom.com>
Acked-by: Rob Herring <r...@kernel.org>
> ---
> .../bindings/sound/brcm,cygnus-audio.txt | 54
> ++++++++++++++++++++
> 1 file changed, 54 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt
>
> diff --git a/Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt
> b/Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt
> new file mode 100644
> index 0000000..3c06001
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt
> @@ -0,0 +1,54 @@
> +BROADCOM Cygnus Audio I2S/TDM/SPDIF controller
> +
> +Required properties:
> + - compatible : "brcm,cygnus-audio"
> + - #address-cells: 32bit valued, 1 cell.
> + - #size-cells: 32bit valued, 0 cell.
> + - reg : Should contain audio registers location and length
> + - reg-names: names of the registers listed in "reg" property
> + Valid names are "aud" and "i2s_in". "aud" contains a
> + set of DMA, I2S_OUT and SPDIF registers. "i2s_in" contains
> + a set of I2S_IN registers.
> + - clocks: PLL and leaf clocks used by audio ports
> + - clock-names: names of 3 leaf clocks used by audio ports
> + Valid names are "ch0_audio", "ch1_audio", "ch2_audio"
> + - interrupts: audio DMA interrupt number
> +
> +SSP Subnode properties:
> +- reg: The index of ssp port interface to use
> + Valid value are 0, 1, 2, or 3 (for spdif)
> +
> +
> +Example:
> + cygnus_audio: audio@180ae000 {
> + compatible = "brcm,cygnus-audio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x180ae000 0xafd>, <0x180aec00 0x1f8>;
> + reg-names = "aud", "i2s_in";
> + clocks = <&audiopll BCM_CYGNUS_AUDIOPLL_CH0>,
> + <&audiopll BCM_CYGNUS_AUDIOPLL_CH1>,
> + <&audiopll BCM_CYGNUS_AUDIOPLL_CH2>;
> + clock-names = "ch0_audio", "ch1_audio", "ch2_audio";
> + interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
> +
> + ssp0: ssp_port@0 {
> + reg = <0>;
> + status = "okay";
> + };
> +
> + ssp1: ssp_port@1 {
> + reg = <1>;
> + status = "disabled";
> + };
> +
> + ssp2: ssp_port@2 {
> + reg = <2>;
> + status = "disabled";
> + };
> +
> + spdif: spdif_port@3 {
> + reg = <3>;
> + status = "disabled";
> + };
> + };
> --
> 1.7.9.5
>
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