linux-kernel - RE: [PATCH 0/2] dt-bindings: usb: generic-ehci/ohci: Document power-domains property

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Date:   Fri, 27 Mar 2020 05:07:43 +0000
From:   Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 0/2] dt-bindings: usb: generic-ehci/ohci: Document
 power-domains property

Hi Geert-san,

> From: Geert Uytterhoeven, Sent: Friday, March 27, 2020 1:38 AM
> 
> 	Hi Greg, Rob,
> 
> It is quite common for a generic EHCI or OHCI block to be embedded in an
> SoC in its own power domain.  However, the current DT bindings do not
> cover this yet, leading to "make dtbs_check" warnings like:
> 
>     arch/arm64/boot/dts/renesas/r8a774a1-hihope-rzg2m.dt.yaml: usb@...80000: 'power-domains' does not match any of the
> regexes: 'pinctrl-[0-9]+'
>     arch/arm64/boot/dts/renesas/r8a774a1-hihope-rzg2m.dt.yaml: usb@...80100: 'power-domains' does not match any of the
> regexes: 'pinctrl-[0-9]+'
> 
> This patch series documents the optional presence of "power-domains"
> properties in the EHCI and OHCI devices nodes, allowing the DTS writer
> to describe the controllers' positions in the power hierarchy.
> 
> Thanks!
> 
> Geert Uytterhoeven (2):
>   dt-bindings: usb: generic-ehci: Document power-domains property
>   dt-bindings: usb: generic-ohci: Document power-domains property

Thank you for the patches!

Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>

Best regards,
Yoshihiro Shimoda