Re: [PATCH 3/5] dt-bindings: usb: mtk-xhci: add an optional xhci_ck clock

[Rob Herring]

On Wed, Jun 12, 2019 at 01:55:19PM +0800, Chunfeng Yun wrote:
> Add a new optional clock xhci_ck
> 
> Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
> index 266c2d917a28..91c0704b586b 100644
> --- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
> +++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
> @@ -29,6 +29,7 @@ Required properties:
>  	"sys_ck": controller clock used by normal mode,
>  	the following ones are optional:
>  	"ref_ck": reference clock used by low power mode etc,
> +	"xhci_ck": controller clock,
>  	"mcu_ck": mcu_bus clock for register access,
>  	"dma_ck": dma_bus clock for data transfer by DMA

A new clock should go at the end to stay backwards compatible.

>  
> @@ -100,7 +101,7 @@ Required properties:
>   - clocks : a list of phandle + clock-specifier pairs, one for each
>  	entry in clock-names
>   - clock-names : must contain "sys_ck", and the following ones are optional:
> -	"ref_ck", "mcu_ck" and "dma_ck"
> +	"ref_ck", "xhci_ck", "mcu_ck" and "dma_ck"
>  
>  Optional properties:
>   - vbus-supply : reference to the VBUS regulator;
> -- 
> 2.21.0
>