[alsa-devel] [PATCH 1/2] ASoC: dt-bingdings: mediatek: mt8183: add a property "medaitek, toprgu"

[Yingjoe Chen]

On Thu, 2019-09-12 at 17:54 +0800, Jiaxin Yu wrote:
> This patch adds a property "mediatek,toprgu" in example so that we could
> use reset controller(usually we call it toprgu or watchdog) to reset audio
> domain regs.
> 
> Signed-off-by: Jiaxin Yu <jiaxin.yu at mediatek.com>
> ---
>  Documentation/devicetree/bindings/sound/mt8183-afe-pcm.txt | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sound/mt8183-afe-pcm.txt b/Documentation/devicetree/bindings/sound/mt8183-afe-pcm.txt
> index 396ba38619f6..45ca182a4ecc 100644
> --- a/Documentation/devicetree/bindings/sound/mt8183-afe-pcm.txt
> +++ b/Documentation/devicetree/bindings/sound/mt8183-afe-pcm.txt
> @@ -4,6 +4,7 @@ Required properties:
>  - compatible = "mediatek,mt68183-audio";
>  - reg: register location and size
>  - interrupts: should contain AFE interrupt
> +- mediatek,toprgu: A phandle to the TOPRGU which for reset controller unit
>  - power-domains: should define the power domain
>  - clocks: Must contain an entry for each entry in clock-names
>  - clock-names: should have these clock names:
> @@ -20,6 +21,7 @@ Example:
>  		compatible = "mediatek,mt8183-audio";
>  		reg = <0 0x11220000 0 0x1000>;
>  		interrupts = <GIC_SPI 161 IRQ_TYPE_LEVEL_LOW>;
> +		mediatek,toprgu = <&watchdog>;

As mentioned in the other patch, since this is reset controller,
you should use Documentation/devicetree/bindings/reset/reset.txt
instead.

Joe.C