linux-kernel - Re: [PATCH 2/3] dt-bindings: usb: keystone-usb: Update bindings pm and clocks properties

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Date:   Thu, 10 Aug 2017 11:33:51 -0500
From:   Rob Herring <robh@...nel.org>
To:     Franklin S Cooper Jr <fcooper@...com>
Cc:     gregkh@...uxfoundation.org, ssantosh@...nel.org,
        linux@...linux.org.uk, balbi@...nel.org, linux-usb@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/3] dt-bindings: usb: keystone-usb: Update bindings pm
 and clocks properties

On Wed, Aug 02, 2017 at 03:17:23PM -0500, Franklin S Cooper Jr wrote:
> Update varous properties to properly indicate their requirement depending
> on the SoC.
> 
> Signed-off-by: Franklin S Cooper Jr <fcooper@...com>
> ---
>  Documentation/devicetree/bindings/usb/keystone-usb.txt | 18 ++++++++++++++++--
>  1 file changed, 16 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/keystone-usb.txt b/Documentation/devicetree/bindings/usb/keystone-usb.txt
> index 60527d3..307531b 100644
> --- a/Documentation/devicetree/bindings/usb/keystone-usb.txt
> +++ b/Documentation/devicetree/bindings/usb/keystone-usb.txt
> @@ -12,8 +12,22 @@ Required properties:
>     MPU.
>   - ranges: allows valid 1:1 translation between child's address space and
>     parent's address space.
> - - clocks: Clock IDs array as required by the controller.
> - - clock-names: names of clocks correseponding to IDs in the clock property.
> +
> +SoC-specific Required Properties:
> +The following are mandatory properties for Keystone 2 66AK2HK, 66AK2L and 66AK2E
> +SoCs only:
> +
> +- clocks:		Clock IDs array as required by the controller.
> +- clock-names:		names of clocks correseponding to IDs in the clock
> +			property.

This needs to be specific as to how many clocks and their names.

> +
> +
> +The following are mandatory properties for Keystone 2 66AK2G SoCs only:
> +
> +- power-domains:	Should contain a phandle to a PM domain provider node
> +			and an args specifier containing the USB device id
> +			value. This property is as per the binding,
> +			Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt
>  
>  Sub-nodes:
>  The dwc3 core should be added as subnode to Keystone DWC3 glue.
> -- 
> 2.9.4.dirty
>