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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id z19sm261558otm.58.2020.11.04.14.39.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2020 14:39:27 -0800 (PST) Received: (nullmailer pid 55216 invoked by uid 1000); Wed, 04 Nov 2020 22:39:26 -0000 Date: Wed, 4 Nov 2020 16:39:26 -0600 From: Rob Herring To: Macpaul Lin Cc: Greg Kroah-Hartman , Matthias Brugger , Mathias Nyman , Chunfeng Yun , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Ainge Hsu , Eddie Hung , Mediatek WSD Upstream , Macpaul Lin Subject: Re: [PATCH 1/2] dt-bindings: usb: mediatek,mtk-xhci: add keep-clock-on Message-ID: <20201104223926.GA54259@bogus> References: <1604301530-31546-1-git-send-email-macpaul.lin@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1604301530-31546-1-git-send-email-macpaul.lin@mediatek.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Mon, Nov 02, 2020 at 03:18:48PM +0800, Macpaul Lin wrote: > Option "mediatek,keep-clock-on" means to keep clock on during system > suspend and resume. Some platform will flush register settings if clock has > been disabled when system is suspended. Set this option to avoid clock off. > > Signed-off-by: Macpaul Lin > --- > .../devicetree/bindings/usb/mediatek,mtk-xhci.yaml | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml > index ea696c8..a956dde 100644 > --- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml > +++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml > @@ -104,6 +104,12 @@ properties: > description: enable USB remote wakeup, see power/wakeup-source.txt > type: boolean > > + mediatek,keep-clock-on: > + description: | > + Keep clock on during system suspend and resume. Some platform will flush > + register settings if clock has been disabled when system is suspended. > + type: boolean > + This should be implied by the compatible string. > mediatek,syscon-wakeup: > $ref: /schemas/types.yaml#/definitions/phandle-array > maxItems: 1 > @@ -175,6 +181,7 @@ examples: > imod-interval-ns = <10000>; > mediatek,syscon-wakeup = <&pericfg 0x400 1>; > wakeup-source; > + mediatek,keep-clock-on; > usb3-lpm-capable; > }; > ... > -- > 1.7.9.5