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Fri, 06 Aug 2021 13:43:22 -0700 (PDT) Received: from robh.at.kernel.org ([64.188.179.248]) by smtp.gmail.com with ESMTPSA id f16sm5253453ilc.53.2021.08.06.13.43.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Aug 2021 13:43:22 -0700 (PDT) Received: (nullmailer pid 1762401 invoked by uid 1000); Fri, 06 Aug 2021 20:43:20 -0000 Date: Fri, 6 Aug 2021 14:43:20 -0600 From: Rob Herring To: Chunfeng Yun Cc: Mathias Nyman , Greg Kroah-Hartman , Matthias Brugger , linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Eddie Hung Subject: Re: [PATCH 03/11] dt-bindings: usb: mtk-xhci: add compatible for mt8195 Message-ID: References: <1627635002-24521-1-git-send-email-chunfeng.yun@mediatek.com> <1627635002-24521-3-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1627635002-24521-3-git-send-email-chunfeng.yun@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210806_134323_795222_757F5D1E X-CRM114-Status: GOOD ( 18.03 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Fri, Jul 30, 2021 at 04:49:54PM +0800, Chunfeng Yun wrote: > There are 4 USB controllers on MT8195, the controllers (IP1~IP3, > exclude IP0) have a wrong default SOF/ITP interval which is > calculated from the frame counter clock 24Mhz by default, but > in fact, the frame counter clock is 48Mhz, so we should set > the accurate interval according to 48Mhz. Here add a new compatible > for MT8195, it's also supported in driver. But the first controller > (IP0) has no such issue, we prefer to use generic compatible, > e.g. mt8192's compatible. That only works until you find some 8195 bug common to all instances. Can't you read the clock frequency? > > Signed-off-by: Chunfeng Yun > --- > Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml > index 61a0e550b5d6..753e043e5327 100644 > --- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml > +++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml > @@ -31,6 +31,7 @@ properties: > - mediatek,mt8173-xhci > - mediatek,mt8183-xhci > - mediatek,mt8192-xhci > + - mediatek,mt8195-xhci > - const: mediatek,mtk-xhci > > reg: > -- > 2.18.0 > > _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek