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Mon, 02 Nov 2020 19:02:54 -0800 Received: from mtkmbs08n1.mediatek.inc (172.21.101.55) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 2 Nov 2020 19:01:15 -0800 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 3 Nov 2020 11:01:14 +0800 Received: from [10.17.3.153] (10.17.3.153) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 3 Nov 2020 11:01:11 +0800 Message-ID: <1604372472.31607.18.camel@mhfsdcap03> Subject: Re: [PATCH 1/2] dt-bindings: usb: mediatek,mtk-xhci: add keep-clock-on From: Chunfeng Yun To: Macpaul Lin Date: Tue, 3 Nov 2020 11:01:12 +0800 In-Reply-To: <1604301530-31546-1-git-send-email-macpaul.lin@mediatek.com> References: <1604301530-31546-1-git-send-email-macpaul.lin@mediatek.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201102_220301_328124_02A62945 X-CRM114-Status: GOOD ( 16.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Eddie Hung , Mediatek WSD Upstream , Mathias Nyman , Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Herring , linux-mediatek@lists.infradead.org, Ainge Hsu , Matthias Brugger , linux-arm-kernel@lists.infradead.org, Macpaul Lin Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Macpaul, On Mon, 2020-11-02 at 15:18 +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 +++++++ This depends on reviewing patch: https://patchwork.kernel.org/project/linux-mediatek/patch/20201014014434.62239-6-chunfeng.yun@mediatek.com/ [v2,6/8] dt-bindings: usb: convert mediatek, mtk-xhci.txt to YAML schema Please add it after "---", thanks > 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 > + > 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; > }; > ... _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel