[{"id":1777091,"web_url":"http://patchwork.ozlabs.org/comment/1777091/","msgid":"<20170928151103.ov3o5pn5h7inzzan@flea>","list_archive_url":null,"date":"2017-09-28T15:11:03","subject":"Re: [PATCH v2 1/3] ARM: dts: sun8i: Add basic dtsi file for\n\tAllwinner R40","submitter":{"id":12916,"url":"http://patchwork.ozlabs.org/api/people/12916/","name":"Maxime Ripard","email":"maxime.ripard@free-electrons.com"},"content":"Hi,\n\nOn Thu, Sep 28, 2017 at 09:25:41AM +0000, Icenowy Zheng wrote:\n> +\t\t/*\n> +\t\t * The max-frequency properties in all MMC controller nodes\n> +\t\t * are conservative values proven to work on Banana Pi M2\n> +\t\t * Ultra (the first community available R40 board).\n> +\t\t * As the board doesn't wire MMC3 out, the property is not\n> +\t\t * set in MMC3.\n> +\t\t * TODO: measure the accurate max frequency of the controllers.\n> +\t\t */\n> +\t\tmmc0: mmc@1c0f000 {\n> +\t\t\tcompatible = \"allwinner,sun8i-r40-mmc\",\n> +\t\t\t\t     \"allwinner,sun50i-a64-mmc\";\n> +\t\t\treg = <0x01c0f000 0x1000>;\n> +\t\t\tclocks = <&ccu CLK_BUS_MMC0>, <&ccu CLK_MMC0>;\n> +\t\t\tclock-names = \"ahb\", \"mmc\";\n> +\t\t\tresets = <&ccu RST_BUS_MMC0>;\n> +\t\t\treset-names = \"ahb\";\n> +\t\t\tpinctrl-0 = <&mmc0_pins>;\n> +\t\t\tpinctrl-names = \"default\";\n> +\t\t\tinterrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;\n> +\t\t\tmax-frequency = <25000000>;\n> +\t\t\tstatus = \"disabled\";\n> +\t\t\t#address-cells = <1>;\n> +\t\t\t#size-cells = <0>;\n> +\t\t};\n\nSorry if it wasn't really clear, but my point was more than you should\njust drop the max-frequency property\n\nMaxime","headers":{"Return-Path":"<linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org>","X-Original-To":"incoming-imx@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-imx@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.infradead.org\n\t(client-ip=65.50.211.133; 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version=3.4.0","Date":"Thu, 28 Sep 2017 17:11:03 +0200","From":"Maxime Ripard <maxime.ripard@free-electrons.com>","To":"Icenowy Zheng <icenowy@aosc.io>","Subject":"Re: [PATCH v2 1/3] ARM: dts: sun8i: Add basic dtsi file for\n\tAllwinner R40","Message-ID":"<20170928151103.ov3o5pn5h7inzzan@flea>","References":"<20170928092543.45648-1-icenowy@aosc.io>\n\t<20170928092543.45648-2-icenowy@aosc.io>","MIME-Version":"1.0","In-Reply-To":"<20170928092543.45648-2-icenowy@aosc.io>","User-Agent":"NeoMutt/20170914 (1.9.0)","X-CRM114-Version":"20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ","X-CRM114-CacheID":"sfid-20170928_081134_633000_92496EAA ","X-CRM114-Status":"GOOD (  11.68  )","X-Spam-Score":"-1.9 (-)","X-Spam-Report":"SpamAssassin version 3.4.1 on bombadil.infradead.org summary:\n\tContent analysis details:   (-1.9 points)\n\tpts rule name              description\n\t---- ----------------------\n\t--------------------------------------------------\n\t-0.0 SPF_PASS               SPF: sender matches SPF record\n\t-0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay\n\tdomain\n\t-1.9 BAYES_00               BODY: Bayes spam probability is 0 to 1%\n\t[score: 0.0000]","X-BeenThere":"linux-arm-kernel@lists.infradead.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Unsubscribe":"<http://lists.infradead.org/mailman/options/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe>","List-Archive":"<http://lists.infradead.org/pipermail/linux-arm-kernel/>","List-Post":"<mailto:linux-arm-kernel@lists.infradead.org>","List-Help":"<mailto:linux-arm-kernel-request@lists.infradead.org?subject=help>","List-Subscribe":"<http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe>","Cc":"devicetree@vger.kernel.org, Chen-Yu Tsai <wens@csie.org>,\n\tlinux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org,\n\tlinux-arm-kernel@lists.infradead.org","Content-Type":"multipart/mixed;\n\tboundary=\"===============3836396738078112149==\"","Sender":"\"linux-arm-kernel\" <linux-arm-kernel-bounces@lists.infradead.org>","Errors-To":"linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org","List-Id":"linux-imx-kernel.lists.patchwork.ozlabs.org"}},{"id":1777094,"web_url":"http://patchwork.ozlabs.org/comment/1777094/","msgid":"<20170928151225.n4pyvn65u6hvpjd7@flea>","list_archive_url":null,"date":"2017-09-28T15:12:25","subject":"Re: [PATCH v2 2/3] ARM: dts: sun8i: Add board dts file for Banana Pi\n\tM2 Ultra","submitter":{"id":12916,"url":"http://patchwork.ozlabs.org/api/people/12916/","name":"Maxime Ripard","email":"maxime.ripard@free-electrons.com"},"content":"On Thu, Sep 28, 2017 at 09:25:42AM +0000, Icenowy Zheng wrote:\n> +&mmc2 {\n> +\tvmmc-supply = <&reg_dcdc1>;\n> +\tbus-width = <8>;\n> +\tnon-removable;\n> +\tstatus = \"okay\";\n> +};\n\nI guess it's an emmc, it doesn't have a vqmmmc regulator?\n\nLooks good otherwise, thanks!\nMaxime","headers":{"Return-Path":"<linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org>","X-Original-To":"incoming-imx@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-imx@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.infradead.org\n\t(client-ip=65.50.211.133; helo=bombadil.infradead.org;\n\tenvelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org;\n\treceiver=<UNKNOWN>)","ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=lists.infradead.org\n\theader.i=@lists.infradead.org\n\theader.b=\"HXcyLiFk\"; dkim-atps=neutral"],"Received":["from bombadil.infradead.org (bombadil.infradead.org\n\t[65.50.211.133])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 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h=Sender:Content-Type:Cc:\n\tList-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:\n\tIn-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To:\n\tContent-Transfer-Encoding:Content-ID:Content-Description:Resent-Date:\n\tResent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner;\n\tbh=wDQLuRVCxrEViSvDDOHiQF2Fr4hxRtQ5RBrEKX7AI5M=;\n\tb=HXcyLiFkiTjYm77MgODFidvGx\n\tY5MyzUfXMqefl6NmQgV2+g9dBk096kvvL30eUfopZ9xCXz+zjaHn7QHtfHlo/h9mKOp4u0ULOnga9\n\tG4ajW1JedF83e4hY/xiUW+beG8wnEZEF16J1YYDgAMGzCMaWca7a58WXoCO90v2OuCsZlZRdTHuro\n\tnKjUcZU6HLmLL36O03lsORIy85uSFGzhFeKfzzQtz1UEQXpytlNEsQnC/n49itrTOUn//lsJUFEjc\n\tBwhZZz51AJIHPnCpJfVev0X1MjYvhg6p73NCkp+ESn8HHNv2VwK9SBnwWgVGRB8BlnOTyjDDchfX+\n\tzFfdy95LA==;","X-Spam-Checker-Version":"SpamAssassin 3.4.0 (2014-02-07) on\n\tmail.free-electrons.com","X-Spam-Level":"","X-Spam-Status":"No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT,\n\tURIBL_BLOCKED shortcircuit=ham autolearn=disabled version=3.4.0","Date":"Thu, 28 Sep 2017 17:12:25 +0200","From":"Maxime Ripard <maxime.ripard@free-electrons.com>","To":"Icenowy Zheng <icenowy@aosc.io>","Subject":"Re: [PATCH v2 2/3] ARM: dts: sun8i: Add board dts file for Banana Pi\n\tM2 Ultra","Message-ID":"<20170928151225.n4pyvn65u6hvpjd7@flea>","References":"<20170928092543.45648-1-icenowy@aosc.io>\n\t<20170928092543.45648-3-icenowy@aosc.io>","MIME-Version":"1.0","In-Reply-To":"<20170928092543.45648-3-icenowy@aosc.io>","User-Agent":"NeoMutt/20170914 (1.9.0)","X-CRM114-Version":"20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ","X-CRM114-CacheID":"sfid-20170928_081256_270366_1AEEFA4C ","X-CRM114-Status":"UNSURE (   9.22  )","X-CRM114-Notice":"Please train this message.","X-Spam-Score":"-1.9 (-)","X-Spam-Report":"SpamAssassin version 3.4.1 on bombadil.infradead.org summary:\n\tContent analysis details:   (-1.9 points)\n\tpts rule name              description\n\t---- ----------------------\n\t--------------------------------------------------\n\t-0.0 SPF_PASS               SPF: sender matches SPF record\n\t-0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay\n\tdomain\n\t-1.9 BAYES_00               BODY: Bayes spam probability is 0 to 1%\n\t[score: 0.0000]","X-BeenThere":"linux-arm-kernel@lists.infradead.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Unsubscribe":"<http://lists.infradead.org/mailman/options/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe>","List-Archive":"<http://lists.infradead.org/pipermail/linux-arm-kernel/>","List-Post":"<mailto:linux-arm-kernel@lists.infradead.org>","List-Help":"<mailto:linux-arm-kernel-request@lists.infradead.org?subject=help>","List-Subscribe":"<http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe>","Cc":"devicetree@vger.kernel.org, Chen-Yu Tsai <wens@csie.org>,\n\tlinux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org,\n\tlinux-arm-kernel@lists.infradead.org","Content-Type":"multipart/mixed;\n\tboundary=\"===============0639463723800016414==\"","Sender":"\"linux-arm-kernel\" <linux-arm-kernel-bounces@lists.infradead.org>","Errors-To":"linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org","List-Id":"linux-imx-kernel.lists.patchwork.ozlabs.org"}},{"id":1777139,"web_url":"http://patchwork.ozlabs.org/comment/1777139/","msgid":"<FCCC8A9F-4818-4CE3-A7E8-62ED9A864F92@aosc.io>","list_archive_url":null,"date":"2017-09-28T15:38:59","subject":"Re: [PATCH v2 2/3] ARM: dts: sun8i: Add board dts file for Banana Pi\n\tM2 Ultra","submitter":{"id":71295,"url":"http://patchwork.ozlabs.org/api/people/71295/","name":"Icenowy Zheng","email":"icenowy@aosc.io"},"content":"于 2017年9月28日 GMT+08:00 下午11:12:25, Maxime Ripard <maxime.ripard@free-electrons.com> 写到:\n>On Thu, Sep 28, 2017 at 09:25:42AM +0000, Icenowy Zheng wrote:\n>> +&mmc2 {\n>> +\tvmmc-supply = <&reg_dcdc1>;\n>> +\tbus-width = <8>;\n>> +\tnon-removable;\n>> +\tstatus = \"okay\";\n>> +};\n>\n>I guess it's an emmc, it doesn't have a vqmmmc regulator?\n\nvqmmc is also 3v3.\n\n>\n>Looks good otherwise, thanks!\n>Maxime","headers":{"Return-Path":"<linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org>","X-Original-To":"incoming-imx@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-imx@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.infradead.org\n\t(client-ip=65.50.211.133; helo=bombadil.infradead.org;\n\tenvelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org;\n\treceiver=<UNKNOWN>)","ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=lists.infradead.org\n\theader.i=@lists.infradead.org header.b=\"YDugkuS8\"; \n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) 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28 Sep 2017 23:38:59 +0800","In-Reply-To":"<20170928151225.n4pyvn65u6hvpjd7@flea>","References":"<20170928092543.45648-1-icenowy@aosc.io>\n\t<20170928092543.45648-3-icenowy@aosc.io>\n\t<20170928151225.n4pyvn65u6hvpjd7@flea>","MIME-Version":"1.0","Subject":"Re: [PATCH v2 2/3] ARM: dts: sun8i: Add board dts file for Banana Pi\n\tM2 Ultra","To":"linux-arm-kernel@lists.infradead.org,\n\tMaxime Ripard <maxime.ripard@free-electrons.com>","From":"Icenowy Zheng <icenowy@aosc.io>","Message-ID":"<FCCC8A9F-4818-4CE3-A7E8-62ED9A864F92@aosc.io>","X-Spam-Note":"CRM114 invocation failed","X-Spam-Score":"-4.7 (----)","X-Spam-Report":"SpamAssassin version 3.4.1 on merlin.infradead.org summary:\n\tContent analysis details:   (-4.7 points)\n\tpts rule name              description\n\t---- ----------------------\n\t--------------------------------------------------\n\t-0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/,\n\tno trust [23.83.222.32 listed in list.dnswl.org]\n\t-2.8 RCVD_IN_MSPIKE_H2      RBL: Average reputation (+2)\n\t[23.83.222.32 listed in wl.mailspike.net]\n\t-0.0 SPF_PASS               SPF: sender matches SPF record\n\t-1.9 BAYES_00               BODY: Bayes spam probability is 0 to 1%\n\t[score: 0.0000]","X-BeenThere":"linux-arm-kernel@lists.infradead.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Unsubscribe":"<http://lists.infradead.org/mailman/options/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe>","List-Archive":"<http://lists.infradead.org/pipermail/linux-arm-kernel/>","List-Post":"<mailto:linux-arm-kernel@lists.infradead.org>","List-Help":"<mailto:linux-arm-kernel-request@lists.infradead.org?subject=help>","List-Subscribe":"<http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe>","Cc":"devicetree@vger.kernel.org, Chen-Yu Tsai <wens@csie.org>,\n\tlinux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Sender":"\"linux-arm-kernel\" <linux-arm-kernel-bounces@lists.infradead.org>","Errors-To":"linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org","List-Id":"linux-imx-kernel.lists.patchwork.ozlabs.org"}},{"id":1777457,"web_url":"http://patchwork.ozlabs.org/comment/1777457/","msgid":"<20170929101740.reahjw7wjaspwjld@flea>","list_archive_url":null,"date":"2017-09-29T10:17:40","subject":"Re: [PATCH v2 2/3] ARM: dts: sun8i: Add board dts file for Banana Pi\n\tM2 Ultra","submitter":{"id":12916,"url":"http://patchwork.ozlabs.org/api/people/12916/","name":"Maxime Ripard","email":"maxime.ripard@free-electrons.com"},"content":"On Thu, Sep 28, 2017 at 03:38:59PM +0000, Icenowy Zheng wrote:\n> \n> \n> 于 2017年9月28日 GMT+08:00 下午11:12:25, Maxime Ripard <maxime.ripard@free-electrons.com> 写到:\n> >On Thu, Sep 28, 2017 at 09:25:42AM +0000, Icenowy Zheng wrote:\n> >> +&mmc2 {\n> >> +\tvmmc-supply = <&reg_dcdc1>;\n> >> +\tbus-width = <8>;\n> >> +\tnon-removable;\n> >> +\tstatus = \"okay\";\n> >> +};\n> >\n> >I guess it's an emmc, it doesn't have a vqmmmc regulator?\n> \n> vqmmc is also 3v3.\n\nYou should still put it.\n\nThanks!\nMaxime","headers":{"Return-Path":"<linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org>","X-Original-To":"incoming-imx@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-imx@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.infradead.org\n\t(client-ip=65.50.211.133; helo=bombadil.infradead.org;\n\tenvelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org;\n\treceiver=<UNKNOWN>)","ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=lists.infradead.org\n\theader.i=@lists.infradead.org\n\theader.b=\"oHH5VkN8\"; dkim-atps=neutral"],"Received":["from bombadil.infradead.org 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required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT\n\tshortcircuit=ham autolearn=disabled version=3.4.0","Date":"Fri, 29 Sep 2017 12:17:40 +0200","From":"Maxime Ripard <maxime.ripard@free-electrons.com>","To":"Icenowy Zheng <icenowy@aosc.io>","Subject":"Re: [PATCH v2 2/3] ARM: dts: sun8i: Add board dts file for Banana Pi\n\tM2 Ultra","Message-ID":"<20170929101740.reahjw7wjaspwjld@flea>","References":"<20170928092543.45648-1-icenowy@aosc.io>\n\t<20170928092543.45648-3-icenowy@aosc.io>\n\t<20170928151225.n4pyvn65u6hvpjd7@flea>\n\t<FCCC8A9F-4818-4CE3-A7E8-62ED9A864F92@aosc.io>","MIME-Version":"1.0","In-Reply-To":"<FCCC8A9F-4818-4CE3-A7E8-62ED9A864F92@aosc.io>","User-Agent":"NeoMutt/20170914 (1.9.0)","X-CRM114-Version":"20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ","X-CRM114-CacheID":"sfid-20170929_031819_497051_404904D9 ","X-CRM114-Status":"GOOD (  10.73  )","X-Spam-Score":"-1.9 (-)","X-Spam-Report":"SpamAssassin version 3.4.1 on bombadil.infradead.org summary:\n\tContent analysis details:   (-1.9 points)\n\tpts rule name              description\n\t---- ----------------------\n\t--------------------------------------------------\n\t-0.0 SPF_PASS               SPF: sender matches SPF record\n\t-0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay\n\tdomain\n\t-1.9 BAYES_00               BODY: Bayes spam probability is 0 to 1%\n\t[score: 0.0000]","X-BeenThere":"linux-arm-kernel@lists.infradead.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Unsubscribe":"<http://lists.infradead.org/mailman/options/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe>","List-Archive":"<http://lists.infradead.org/pipermail/linux-arm-kernel/>","List-Post":"<mailto:linux-arm-kernel@lists.infradead.org>","List-Help":"<mailto:linux-arm-kernel-request@lists.infradead.org?subject=help>","List-Subscribe":"<http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe>","Cc":"devicetree@vger.kernel.org, Chen-Yu Tsai <wens@csie.org>,\n\tlinux-sunxi@googlegroups.com, linux-arm-kernel@lists.infradead.org,\n\tlinux-kernel@vger.kernel.org","Content-Type":"multipart/mixed;\n\tboundary=\"===============0239553625983861626==\"","Sender":"\"linux-arm-kernel\" <linux-arm-kernel-bounces@lists.infradead.org>","Errors-To":"linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org","List-Id":"linux-imx-kernel.lists.patchwork.ozlabs.org"}},{"id":1777473,"web_url":"http://patchwork.ozlabs.org/comment/1777473/","msgid":"<CAGb2v647i7uecshOO=1Pr8U97duSwL_V92GhS3S4J4+0GEkjYw@mail.gmail.com>","list_archive_url":null,"date":"2017-09-29T10:31:53","subject":"Re: [linux-sunxi] Re: [PATCH v2 1/3] ARM: dts: sun8i: Add basic dtsi\n\tfile for Allwinner R40","submitter":{"id":47154,"url":"http://patchwork.ozlabs.org/api/people/47154/","name":"Chen-Yu Tsai","email":"wens@csie.org"},"content":"On Fri, Sep 29, 2017 at 6:25 PM, Icenowy Zheng <icenowy@aosc.io> wrote:\n>\n>\n> 于 2017年9月28日 GMT+08:00 下午11:11:03, Maxime Ripard <maxime.ripard@free-electrons.com> 写到:\n>>Hi,\n>>\n>>On Thu, Sep 28, 2017 at 09:25:41AM +0000, Icenowy Zheng wrote:\n>>> +            /*\n>>> +             * The max-frequency properties in all MMC controller nodes\n>>> +             * are conservative values proven to work on Banana Pi M2\n>>> +             * Ultra (the first community available R40 board).\n>>> +             * As the board doesn't wire MMC3 out, the property is not\n>>> +             * set in MMC3.\n>>> +             * TODO: measure the accurate max frequency of the controllers.\n>>> +             */\n>>> +            mmc0: mmc@1c0f000 {\n>>> +                    compatible = \"allwinner,sun8i-r40-mmc\",\n>>> +                                 \"allwinner,sun50i-a64-mmc\";\n>>> +                    reg = <0x01c0f000 0x1000>;\n>>> +                    clocks = <&ccu CLK_BUS_MMC0>, <&ccu CLK_MMC0>;\n>>> +                    clock-names = \"ahb\", \"mmc\";\n>>> +                    resets = <&ccu RST_BUS_MMC0>;\n>>> +                    reset-names = \"ahb\";\n>>> +                    pinctrl-0 = <&mmc0_pins>;\n>>> +                    pinctrl-names = \"default\";\n>>> +                    interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;\n>>> +                    max-frequency = <25000000>;\n>>> +                    status = \"disabled\";\n>>> +                    #address-cells = <1>;\n>>> +                    #size-cells = <0>;\n>>> +            };\n>>\n>>Sorry if it wasn't really clear, but my point was more than you should\n>>just drop the max-frequency property\n>\n> Then set it in the boards' DTS?\n\nWhy do you need to set them in the first place? The higher speeds need\nvoltage control, and the lack of said control means the system won't\nuse them anyway.\n\nmax-frequency would apply better in situations where the board layout\ncan't guarantee proper signal propagation or timing beyond a certain\nfrequency. Or if that particular controller instance is flawed or\nrestricted in some way.\n\n\nChenYu","headers":{"Return-Path":"<linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org>","X-Original-To":"incoming-imx@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-imx@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.infradead.org\n\t(client-ip=65.50.211.133; helo=bombadil.infradead.org;\n\tenvelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org;\n\treceiver=<UNKNOWN>)","ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=lists.infradead.org\n\theader.i=@lists.infradead.org\n\theader.b=\"rRZIUtVB\"; dkim-atps=neutral"],"Received":["from bombadil.infradead.org (bombadil.infradead.org\n\t[65.50.211.133])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3y3SYv40k2z9t2V\n\tfor <incoming-imx@patchwork.ozlabs.org>;\n\tFri, 29 Sep 2017 20:32:51 +1000 (AEST)","from localhost ([127.0.0.1] helo=bombadil.infradead.org)\n\tby bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux))\n\tid 1dxsbA-00048z-8z; 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Sender":"\"linux-arm-kernel\" <linux-arm-kernel-bounces@lists.infradead.org>","Errors-To":"linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org","List-Id":"linux-imx-kernel.lists.patchwork.ozlabs.org"}},{"id":1777482,"web_url":"http://patchwork.ozlabs.org/comment/1777482/","msgid":"<7F10060D-6A37-4417-9E24-1BB007580126@aosc.io>","list_archive_url":null,"date":"2017-09-29T10:25:15","subject":"Re: [PATCH v2 1/3] ARM: dts: sun8i: Add basic dtsi file for\n\tAllwinner R40","submitter":{"id":71295,"url":"http://patchwork.ozlabs.org/api/people/71295/","name":"Icenowy Zheng","email":"icenowy@aosc.io"},"content":"于 2017年9月28日 GMT+08:00 下午11:11:03, Maxime Ripard <maxime.ripard@free-electrons.com> 写到:\n>Hi,\n>\n>On Thu, Sep 28, 2017 at 09:25:41AM +0000, Icenowy Zheng wrote:\n>> +\t\t/*\n>> +\t\t * The max-frequency properties in all MMC controller nodes\n>> +\t\t * are conservative values proven to work on Banana Pi M2\n>> +\t\t * Ultra (the first community available R40 board).\n>> +\t\t * As the board doesn't wire MMC3 out, the property is not\n>> +\t\t * set in MMC3.\n>> +\t\t * TODO: measure the accurate max frequency of the controllers.\n>> +\t\t */\n>> +\t\tmmc0: mmc@1c0f000 {\n>> +\t\t\tcompatible = \"allwinner,sun8i-r40-mmc\",\n>> +\t\t\t\t     \"allwinner,sun50i-a64-mmc\";\n>> +\t\t\treg = <0x01c0f000 0x1000>;\n>> +\t\t\tclocks = <&ccu CLK_BUS_MMC0>, <&ccu CLK_MMC0>;\n>> +\t\t\tclock-names = \"ahb\", \"mmc\";\n>> +\t\t\tresets = <&ccu RST_BUS_MMC0>;\n>> +\t\t\treset-names = \"ahb\";\n>> +\t\t\tpinctrl-0 = <&mmc0_pins>;\n>> +\t\t\tpinctrl-names = \"default\";\n>> +\t\t\tinterrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;\n>> +\t\t\tmax-frequency = <25000000>;\n>> +\t\t\tstatus = \"disabled\";\n>> +\t\t\t#address-cells = <1>;\n>> +\t\t\t#size-cells = <0>;\n>> +\t\t};\n>\n>Sorry if it wasn't really clear, but my point was more than you should\n>just drop the max-frequency property\n\nThen set it in the boards' DTS?\n\n>\n>Maxime","headers":{"Return-Path":"<linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org>","X-Original-To":"incoming-imx@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-imx@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.infradead.org\n\t(client-ip=65.50.211.133; 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