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Tue, 12 Nov 2019 19:18:24 -0800 Received: from MTKMBS33N2.mediatek.inc (172.27.4.76) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 12 Nov 2019 19:18:24 -0800 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by MTKMBS33N2.mediatek.inc (172.27.4.76) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 13 Nov 2019 11:18:21 +0800 Received: from [10.17.3.153] (172.27.4.253) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 13 Nov 2019 11:18:21 +0800 Message-ID: <1573615102.7173.9.camel@mhfsdcap03> Subject: Re: [PATCH v4 11/11] arm64: dts: mt2712: use non-empty ranges for usb-phy From: Chunfeng Yun To: Matthias Brugger Date: Wed, 13 Nov 2019 11:18:22 +0800 In-Reply-To: References: <1573547796-29566-1-git-send-email-chunfeng.yun@mediatek.com> <1573547796-29566-11-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 4A04EC74D93A3F15A39E1C1ED84053571B8EBB86F8A73CC07646E046490CADBC2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191112_191830_859181_EEBA29D7 X-CRM114-Status: GOOD ( 14.85 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Kishon Vijay Abraham I , Rob Herring , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org 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 Tue, 2019-11-12 at 14:12 +0100, Matthias Brugger wrote: > > On 12/11/2019 09:36, Chunfeng Yun wrote: > > Use non-empty ranges for usb-phy to make the layout of > > its registers clearer; > > Replace deprecated compatible by generic > > > > Signed-off-by: Chunfeng Yun > > --- > > v3~v4: no changes > > > > v2: use generic compatible > > --- > > arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 42 ++++++++++++----------- > > 1 file changed, 22 insertions(+), 20 deletions(-) > > > > diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi > > index 43307bad3f0d..e24f2f2f6004 100644 > > --- a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi > > +++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi > > @@ -697,30 +697,31 @@ > > }; > > > > u3phy0: usb-phy@11290000 { > > - compatible = "mediatek,mt2712-u3phy"; > > - #address-cells = <2>; > > - #size-cells = <2>; > > - ranges; > > + compatible = "mediatek,mt2712-tphy", > > + "mediatek,generic-tphy-v2"; > > + #address-cells = <1>; > > + #size-cells = <1>; > > At a first glance I don't understand why you change address and size cells. > Commit message doesn't explain it and AFAIS it's not part of the binding changes. When Ryder sent DTS patch for mt7629, Rob suggested to use 1 cell, non-empty ranges and provide the offset for v2 tphy which hasn't shared registers between sub-phys, it'll make layout more clear. See: https://patchwork.kernel.org/patch/10850925/ > > Can you explain why we need that, and update the commit message accordingly? Just want to take it as an example when support other platforms. > > Regrads, > Matthias > > > + ranges = <0 0 0x11290000 0x9000>; > > status = "okay"; > > > > - u2port0: usb-phy@11290000 { > > - reg = <0 0x11290000 0 0x700>; > > + u2port0: usb-phy@0 { > > + reg = <0x0 0x700>; > > clocks = <&clk26m>; > > clock-names = "ref"; > > #phy-cells = <1>; > > status = "okay"; > > }; > > > > - u2port1: usb-phy@11298000 { > > - reg = <0 0x11298000 0 0x700>; > > + u2port1: usb-phy@8000 { > > + reg = <0x8000 0x700>; > > clocks = <&clk26m>; > > clock-names = "ref"; > > #phy-cells = <1>; > > status = "okay"; > > }; > > > > - u3port0: usb-phy@11298700 { > > - reg = <0 0x11298700 0 0x900>; > > + u3port0: usb-phy@8700 { > > + reg = <0x8700 0x900>; > > clocks = <&clk26m>; > > clock-names = "ref"; > > #phy-cells = <1>; > > @@ -760,30 +761,31 @@ > > }; > > > > u3phy1: usb-phy@112e0000 { > > - compatible = "mediatek,mt2712-u3phy"; > > - #address-cells = <2>; > > - #size-cells = <2>; > > - ranges; > > + compatible = "mediatek,mt2712-tphy", > > + "mediatek,generic-tphy-v2"; > > + #address-cells = <1>; > > + #size-cells = <1>; > > + ranges = <0 0 0x112e0000 0x9000>; > > status = "okay"; > > > > - u2port2: usb-phy@112e0000 { > > - reg = <0 0x112e0000 0 0x700>; > > + u2port2: usb-phy@0 { > > + reg = <0x0 0x700>; > > clocks = <&clk26m>; > > clock-names = "ref"; > > #phy-cells = <1>; > > status = "okay"; > > }; > > > > - u2port3: usb-phy@112e8000 { > > - reg = <0 0x112e8000 0 0x700>; > > + u2port3: usb-phy@8000 { > > + reg = <0x8000 0x700>; > > clocks = <&clk26m>; > > clock-names = "ref"; > > #phy-cells = <1>; > > status = "okay"; > > }; > > > > - u3port1: usb-phy@112e8700 { > > - reg = <0 0x112e8700 0 0x900>; > > + u3port1: usb-phy@8700 { > > + reg = <0x8700 0x900>; > > clocks = <&clk26m>; > > clock-names = "ref"; > > #phy-cells = <1>; > > _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_2 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6A7DC17447 for ; 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Wed, 13 Nov 2019 11:18:21 +0800 Received: from [10.17.3.153] (172.27.4.253) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 13 Nov 2019 11:18:21 +0800 Message-ID: <1573615102.7173.9.camel@mhfsdcap03> Subject: Re: [PATCH v4 11/11] arm64: dts: mt2712: use non-empty ranges for usb-phy From: Chunfeng Yun To: Matthias Brugger Date: Wed, 13 Nov 2019 11:18:22 +0800 In-Reply-To: References: <1573547796-29566-1-git-send-email-chunfeng.yun@mediatek.com> <1573547796-29566-11-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 4A04EC74D93A3F15A39E1C1ED84053571B8EBB86F8A73CC07646E046490CADBC2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191112_191830_859181_EEBA29D7 X-CRM114-Status: GOOD ( 14.85 ) 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: Mark Rutland , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Kishon Vijay Abraham I , Rob Herring , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 2019-11-12 at 14:12 +0100, Matthias Brugger wrote: > > On 12/11/2019 09:36, Chunfeng Yun wrote: > > Use non-empty ranges for usb-phy to make the layout of > > its registers clearer; > > Replace deprecated compatible by generic > > > > Signed-off-by: Chunfeng Yun > > --- > > v3~v4: no changes > > > > v2: use generic compatible > > --- > > arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 42 ++++++++++++----------- > > 1 file changed, 22 insertions(+), 20 deletions(-) > > > > diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi > > index 43307bad3f0d..e24f2f2f6004 100644 > > --- a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi > > +++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi > > @@ -697,30 +697,31 @@ > > }; > > > > u3phy0: usb-phy@11290000 { > > - compatible = "mediatek,mt2712-u3phy"; > > - #address-cells = <2>; > > - #size-cells = <2>; > > - ranges; > > + compatible = "mediatek,mt2712-tphy", > > + "mediatek,generic-tphy-v2"; > > + #address-cells = <1>; > > + #size-cells = <1>; > > At a first glance I don't understand why you change address and size cells. > Commit message doesn't explain it and AFAIS it's not part of the binding changes. When Ryder sent DTS patch for mt7629, Rob suggested to use 1 cell, non-empty ranges and provide the offset for v2 tphy which hasn't shared registers between sub-phys, it'll make layout more clear. See: https://patchwork.kernel.org/patch/10850925/ > > Can you explain why we need that, and update the commit message accordingly? Just want to take it as an example when support other platforms. > > Regrads, > Matthias > > > + ranges = <0 0 0x11290000 0x9000>; > > status = "okay"; > > > > - u2port0: usb-phy@11290000 { > > - reg = <0 0x11290000 0 0x700>; > > + u2port0: usb-phy@0 { > > + reg = <0x0 0x700>; > > clocks = <&clk26m>; > > clock-names = "ref"; > > #phy-cells = <1>; > > status = "okay"; > > }; > > > > - u2port1: usb-phy@11298000 { > > - reg = <0 0x11298000 0 0x700>; > > + u2port1: usb-phy@8000 { > > + reg = <0x8000 0x700>; > > clocks = <&clk26m>; > > clock-names = "ref"; > > #phy-cells = <1>; > > status = "okay"; > > }; > > > > - u3port0: usb-phy@11298700 { > > - reg = <0 0x11298700 0 0x900>; > > + u3port0: usb-phy@8700 { > > + reg = <0x8700 0x900>; > > clocks = <&clk26m>; > > clock-names = "ref"; > > #phy-cells = <1>; > > @@ -760,30 +761,31 @@ > > }; > > > > u3phy1: usb-phy@112e0000 { > > - compatible = "mediatek,mt2712-u3phy"; > > - #address-cells = <2>; > > - #size-cells = <2>; > > - ranges; > > + compatible = "mediatek,mt2712-tphy", > > + "mediatek,generic-tphy-v2"; > > + #address-cells = <1>; > > + #size-cells = <1>; > > + ranges = <0 0 0x112e0000 0x9000>; > > status = "okay"; > > > > - u2port2: usb-phy@112e0000 { > > - reg = <0 0x112e0000 0 0x700>; > > + u2port2: usb-phy@0 { > > + reg = <0x0 0x700>; > > clocks = <&clk26m>; > > clock-names = "ref"; > > #phy-cells = <1>; > > status = "okay"; > > }; > > > > - u2port3: usb-phy@112e8000 { > > - reg = <0 0x112e8000 0 0x700>; > > + u2port3: usb-phy@8000 { > > + reg = <0x8000 0x700>; > > clocks = <&clk26m>; > > clock-names = "ref"; > > #phy-cells = <1>; > > status = "okay"; > > }; > > > > - u3port1: usb-phy@112e8700 { > > - reg = <0 0x112e8700 0 0x900>; > > + u3port1: usb-phy@8700 { > > + reg = <0x8700 0x900>; > > clocks = <&clk26m>; > > clock-names = "ref"; > > #phy-cells = <1>; > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org 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(majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727460AbfKMDSk (ORCPT ); Tue, 12 Nov 2019 22:18:40 -0500 Received: from Mailgw01.mediatek.com ([1.203.163.78]:36218 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727097AbfKMDSk (ORCPT ); Tue, 12 Nov 2019 22:18:40 -0500 X-UUID: 3dfcd6c630954fea86af6c6faea02cb8-20191113 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=1PTVv09MJjB2RKE9rgKvj5d7tEfBX8IFX331P3cJgFc=; b=tBIcmgqJaEc0Gy26g3KLy0gQtohKXEKRom3/g+Edm/Ie2VO3BLK2COJ9RlKUSFsqweK4K62avpFgM65cOd0OcfpKib4KHzGpCJFiRIySqssgyfIsxz62ZfmtmrjWWqA1mI4+CW4C+EBQsfqDt45Lz7FDtXggpJ5pBMlUC9dUA8Q=; X-UUID: 3dfcd6c630954fea86af6c6faea02cb8-20191113 Received: from mtkcas34.mediatek.inc [(172.27.4.253)] by mailgw01.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 331661075; Wed, 13 Nov 2019 11:18:23 +0800 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by MTKMBS33N2.mediatek.inc (172.27.4.76) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 13 Nov 2019 11:18:21 +0800 Received: from [10.17.3.153] (172.27.4.253) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 13 Nov 2019 11:18:21 +0800 Message-ID: <1573615102.7173.9.camel@mhfsdcap03> Subject: Re: [PATCH v4 11/11] arm64: dts: mt2712: use non-empty ranges for usb-phy From: Chunfeng Yun To: Matthias Brugger CC: Kishon Vijay Abraham I , Rob Herring , Mark Rutland , , , , Date: Wed, 13 Nov 2019 11:18:22 +0800 In-Reply-To: References: <1573547796-29566-1-git-send-email-chunfeng.yun@mediatek.com> <1573547796-29566-11-git-send-email-chunfeng.yun@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 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