Re: [PATCH v3 1/5] powerpc/dts: add mcke-gpios for PM feature

[Rob Herring]

On Tue, Aug 02, 2016 at 07:58:44PM +0800, Chenhui Zhao wrote:
> Signed-off-by: Chenhui Zhao <chenhui.zhao@xxxxxxx>
> ---
>  Documentation/devicetree/bindings/soc/fsl/rcpm.txt | 13 +++++++++++++
>  arch/powerpc/boot/dts/fsl/t1040si-post.dtsi        |  3 +++
>  2 files changed, 16 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt
> index e284e4e..1d44a80 100644
> --- a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt
> +++ b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt
> @@ -21,6 +21,10 @@ Required properites:
>  	* "fsl,qoriq-rcpm-2.0": for chassis 2.0 rcpm
>  	* "fsl,qoriq-rcpm-2.1": for chassis 2.1 rcpm
>  
> +Optional properites:
> +  - mcke-gpios : The GPIO pin is used for keeping the MCKE signal of DDR modules
> +		 low in the LPM35 state on some platforms, such as T1040.

Needs a vendor prefix.