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=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 8D7F2C352AA for ; Mon, 7 Oct 2019 10:08:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 64B2921655 for ; Mon, 7 Oct 2019 10:08:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tZQ13ROs" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727635AbfJGKIB (ORCPT ); Mon, 7 Oct 2019 06:08:01 -0400 Received: from mail-ed1-f65.google.com ([209.85.208.65]:35131 "EHLO mail-ed1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726010AbfJGKIB (ORCPT ); Mon, 7 Oct 2019 06:08:01 -0400 Received: by mail-ed1-f65.google.com with SMTP id v8so11848962eds.2; Mon, 07 Oct 2019 03:07:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:autocrypt:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=Dn9u+AQKVD5vEeR5O+ZMbgafJ8myFQvunYd7F14BjUc=; b=tZQ13ROs/x70DbNqEI/FjmJoV1nMwJQmdxKd20Erg9hO06T/BCXd1yb2JpVwNWtYir ei4t43xOj29kj35hefm+zMFbtsSfHrSlSTt2sb5pjeHiiUuc7vKYIGWOC+7UC2X5Wb2K 0o4fyXxxRKQtZFJj80q6J2+deGfTQFbjQ1x1SrPxRfmSdE8nCak9eSispdRXbyrEdavV SUfminpAhmLnOBItMWFDY9E7VCTSV3j74gQU44OV/1zZZWD4EvTd1BF5Ebkg1J55rwQR eF5RTGqf16LAxTrktdoavwQC0OeDVsX/50V2a6MXMhT1qCj8cGvuB732S94oa8cfAoIC RZoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=Dn9u+AQKVD5vEeR5O+ZMbgafJ8myFQvunYd7F14BjUc=; b=AP9Xid4wY0T2toRLSsiCahmidyU6B+SFtMnWN+sTN4jHCrm8xWFp8jPg+OXx0KzRxy a9v8qie0uYrZu7ujjS1bHJKF3UNJivGPmJ+aSueyiEXa8eeBHQJL67VuNjTi+T1pzy9c F/T9ge2c7QfqBlBhvye1iQ/KDxLeqzR5PuQ7TPBQgmiOJEHJh222y020r5Up0PzMmzRg J/niULUHAPZJHtswz7N23WVGcCLONMVmMSxOCw6riLBRgyP1Jj23MWJlujLgvMA7Af6X sEsPo3jCwtO9ra2qntYD8iGb0PPSnBpXSbF8bIlsLET9BvCda1kCjFJXbXXNUfTMBV8I SBXw== X-Gm-Message-State: APjAAAXw+bJTDJC0SewGdOOXkgDEBhkDRwh+AOJ9kFaMYLNKTUPBdAYG vM04fFfUa9pNnVbWyNFr71Q= X-Google-Smtp-Source: APXvYqxd3RPv7VVa3gnsqkSTt5rIlFKbSDaX2ZGZ2Tr4Yxvx1eqpjxYnWugNAfXvvHrr3tA/u3JUdA== X-Received: by 2002:a05:6402:2022:: with SMTP id ay2mr28181500edb.109.1570442878236; Mon, 07 Oct 2019 03:07:58 -0700 (PDT) Received: from ziggy.stardust ([37.223.136.165]) by smtp.gmail.com with ESMTPSA id r16sm3173394eds.72.2019.10.07.03.07.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 07 Oct 2019 03:07:57 -0700 (PDT) Subject: Re: [PATCH V4 00/10] ARM: Add minimal Raspberry Pi 4 support To: Stefan Wahren , Marcel Holtmann , Johan Hedberg , Rob Herring , Mark Rutland , Eric Anholt , Florian Fainelli , Ray Jui , Scott Branden Cc: devicetree@vger.kernel.org, Catalin Marinas , linux-bluetooth@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, Will Deacon , linux-arm-kernel@lists.infradead.org References: <1570375708-26965-1-git-send-email-wahrenst@gmx.net> From: Matthias Brugger Autocrypt: addr=matthias.bgg@gmail.com; prefer-encrypt=mutual; keydata= mQINBFP1zgUBEAC21D6hk7//0kOmsUrE3eZ55kjc9DmFPKIz6l4NggqwQjBNRHIMh04BbCMY fL3eT7ZsYV5nur7zctmJ+vbszoOASXUpfq8M+S5hU2w7sBaVk5rpH9yW8CUWz2+ZpQXPJcFa OhLZuSKB1F5JcvLbETRjNzNU7B3TdS2+zkgQQdEyt7Ij2HXGLJ2w+yG2GuR9/iyCJRf10Okq gTh//XESJZ8S6KlOWbLXRE+yfkKDXQx2Jr1XuVvM3zPqH5FMg8reRVFsQ+vI0b+OlyekT/Xe 0Hwvqkev95GG6x7yseJwI+2ydDH6M5O7fPKFW5mzAdDE2g/K9B4e2tYK6/rA7Fq4cqiAw1+u EgO44+eFgv082xtBez5WNkGn18vtw0LW3ESmKh19u6kEGoi0WZwslCNaGFrS4M7OH+aOJeqK fx5dIv2CEbxc6xnHY7dwkcHikTA4QdbdFeUSuj4YhIZ+0QlDVtS1QEXyvZbZky7ur9rHkZvP ZqlUsLJ2nOqsmahMTIQ8Mgx9SLEShWqD4kOF4zNfPJsgEMB49KbS2o9jxbGB+JKupjNddfxZ HlH1KF8QwCMZEYaTNogrVazuEJzx6JdRpR3sFda/0x5qjTadwIW6Cl9tkqe2h391dOGX1eOA 1ntn9O/39KqSrWNGvm+1raHK+Ev1yPtn0Wxn+0oy1tl67TxUjQARAQABtClNYXR0aGlhcyBC cnVnZ2VyIDxtYXR0aGlhcy5iZ2dAZ21haWwuY29tPokCUgQTAQIAPAIbAwYLCQgHAwIGFQgC CQoLBBYCAwECHgECF4AWIQTmuZIYwPLDJRwsOhfZFAuyVhMC8QUCWt3scQIZAQAKCRDZFAuy VhMC8WzRD/4onkC+gCxG+dvui5SXCJ7bGLCu0xVtiGC673Kz5Aq3heITsERHBV0BqqctOEBy ZozQQe2Hindu9lasOmwfH8+vfTK+2teCgWesoE3g3XKbrOCB4RSrQmXGC3JYx6rcvMlLV/Ch YMRR3qv04BOchnjkGtvm9aZWH52/6XfChyh7XYndTe5F2bqeTjt+kF/ql+xMc4E6pniqIfkv c0wsH4CkBHqoZl9w5e/b9MspTqsU9NszTEOFhy7p2CYw6JEa/vmzR6YDzGs8AihieIXDOfpT DUr0YUlDrwDSrlm/2MjNIPTmSGHH94ScOqu/XmGW/0q1iar/Yr0leomUOeeEzCqQtunqShtE 4Mn2uEixFL+9jiVtMjujr6mphznwpEqObPCZ3IcWqOFEz77rSL+oqFiEA03A2WBDlMm++Sve 9jpkJBLosJRhAYmQ6ey6MFO6Krylw1LXcq5z1XQQavtFRgZoruHZ3XlhT5wcfLJtAqrtfCe0 aQ0kJW+4zj9/So0uxJDAtGuOpDYnmK26dgFN0tAhVuNInEVhtErtLJHeJzFKJzNyQ4GlCaLw jKcwWcqDJcrx9R7LsCu4l2XpKiyxY6fO4O8DnSleVll9NPfAZFZvf8AIy3EQ8BokUsiuUYHz wUo6pclk55PZRaAsHDX/fNr24uC6Eh5oNQ+v4Pax/gtyybkCDQRT9gX3ARAAsL2UwyvSLQuM xOW2GRLvCiZuxtIEoUuhaBWdC/Yq3c6rWpTu692lhLd4bRpKJkE4nE3saaTVxIHFF3tt3IHS a3Qf831SlW39EkcFxr7DbO17kRThOyU1k7KDhUQqhRaUoT1NznrykvpTlNszhYNjA0CMYWH2 49MJXgckiKOezSHbQ2bZWtFG3uTloWSKloFsjsmRsb7Vn2FlyeP+00PVC6j7CRqczxpkyYoH uqIS0w1zAq8HP5DDSH7+arijtPuJhVv9uaiD6YFLgSIQy4ZCZuMcdzKJz2j6KCw2kUXLehk4 BU326O0Gr9+AojZT8J3qvZYBpvCmIhGliKhZ7pYDKZWVseRw7rJS5UFnst5OBukBIjOaSVdp 6JMpe99ocaLjyow2By6DCEYgLCrquzuUxMQ8plEMfPD1yXBo00bLPatkuxIibM0G4IstKL5h SAKiaFCc2f73ppp7eby3ZceyF4uCIxN3ABjW9ZCEAcEwC40S3rnh2wZhscBFZ+7sO7+Fgsd0 w67zjpt+YHFNv/chRJiPnDGGRt0jPWryaasDnQtAAf59LY3qd4GVHu8RA1G0Rz4hVw27yssH Gycc4+/ZZX7sPpgNKlpsToMaB5NWgc389HdqOG80Ia+sGkNj9ylp74MPbd0t3fzQnKXzBSHO CNuS67sclUAw7HB+wa3BqgsAEQEAAYkEPgQYAQIACQUCU/YF9wIbAgIpCRDZFAuyVhMC8cFd IAQZAQIABgUCU/YF9wAKCRC0OWJbLPHTQ14xD/9crEKZOwhIWX32UXvB/nWbhEx6+PQG2uWs nah7oc5D7V+aY7M1jy5af8yhlhVdaxL5xUoepfOP08lkCEuSdrYbS5wBcQj4NE1QUoeAjJKb q4JwxUkXBaq2Lu91UZpdKxEVFfSkEzmeMaVvClGjGOtNCUKl8lwLuthU7dGTW74mJaW5jjlX ldgzfzFdBkS3fsXfcmeDhHh5TpA4e3MYVBIJrq6Repv151g/zxdA02gjJgGvJlXTb6OgEZGN Fr8LGJDhLP7MSksBw6IxCAJSicMESu5kXsJfcODlm4zFaV8QDBevI/s/TgOQ9KQ/EJQsG+XB Auh0dqpuImmCdhlHx+YaGmwKO1/yhfWvg1h1xbVn98izeotmq1+0J1jt9tgM17MGvgHjmvql aY+oUXfjOkHkcCGOvao5uAsddQhZcSLmLhrSot8WJI0z3NIM30yiNx/r6OMu47lzTobdYCU8 /8m7RhsqfyW68D+XR098NIlU2oYy1zUetw59WJLf2j5u6D6a9p10doY5lYUEeTjy9Ejs/cL+ tQbGwgWhWwKVal1lAtZVaru0GMbSQQ2BycZsZ+H+sbVwpDNEOxQaQPMmEzwgv2Sk2hvR3dTn hUoUaVoRhQE3/+fVRbWHEEroh/+vXV6n4Ps5bDd+75NCQ/lfPZNzGxgxqbd/rd2wStVZpQXk hofMD/4kZ8IivHZYaTA+udUk3iRm0l0qnuX2M5eUbyHW0sZVPnL7Oa4OKXoOir1EWwzzq0GN ZjHCh6CzvLOb1+pllnMkBky0G/+txtgvj5T/366ErUF+lQfgNtENKY6In8tw06hPJbu1sUTQ Is50Jg9hRNkDSIQ544ack0fzOusSPM+vo6OkvIHt8tV0fTO1muclwCX/5jb7zQIDgGiUIgS8 y0M4hIkPKvdmgurPywi74nEoQQrKF6LpPYYHsDteWR/k2m2BOj0ciZDIIxVR09Y9moQIjBLJ KN0J21XJeAgam4uLV2p1kRDdw/ST5uMCqD4Qi5zrZyWilCci6jF1TR2VEt906E2+AZ3BEheR yn8yb2KO+cJD3kB4RzOyBC/Cq/CGAujfDkRiy1ypFF3TkZdya0NnMgka9LXwBV29sAw9vvrx HxGa+tO+RpgKRywr4Al7QGiw7tRPbxkcatkxg67OcRyntfT0lbKlSTEQUxM06qvwFN7nobc9 YiJJTeLugfa4fCqhQCyquWVVoVP+MnLqkzu1F6lSB6dGIpiW0s3LwyE/WbCAVBraPoENlt69 jI0WTXvH4v71zEffYaGWqtrSize20x9xZf5c/Aukpx0UmsqheKeoSprKyRD/Wj/LgsuTE2Uo d85U36XkeFYetwQY1h3lok2Zb/3uFhWr0NqmT14EL7kCDQRT9gkSARAApxtQ4zUMC512kZ+g CiySFcIF/mAf7+l45689Tn7LI1xmPQrAYJDoqQVXcyh3utgtvBvDLmpQ+1BfEONDWc8KRP6A bo35YqBx3udAkLZgr/RmEg3+Tiof+e1PJ2zRh5zmdei5MT8biE2zVd9DYSJHZ8ltEWIALC9l Asv9oa+2L6naC+KFF3i0m5mxklgFoSthswUnonqvclsjYaiVPoSldDrreCPzmRCUd8znf//Z 4BxtlTw3SulF8weKLJ+Hlpw8lwb3sUl6yPS6pL6UV45gyWMe677bVUtxLYOu+kiv2B/+nrNR Ds7B35y/J4t8dtK0S3M/7xtinPiYRmsnJdk+sdAe8TgGkEaooF57k1aczcJlUTBQvlYAEg2N JnqaKg3SCJ4fEuT8rLjzuZmLkoHNumhH/mEbyKca82HvANu5C9clyQusJdU+MNRQLRmOAd/w xGLJ0xmAye7Ozja86AIzbEmuNhNH9xNjwbwSJNZefV2SoZUv0+V9EfEVxTzraBNUZifqv6he rnMQXGxs+lBjnyl624U8nnQWnA8PwJ2hI3DeQou1HypLFPeY9DfWv4xYdkyeOtGpueeBlqht MoZ0kDw2C3vzj77nWwBgpgn1Vpf4hG/sW/CRR6tuIQWWTvUM3ACa1pgEsBvIEBiVvPxyAtL+ L+Lh1Sni7w3HBk1EJvUAEQEAAYkCHwQYAQIACQUCU/YJEgIbDAAKCRDZFAuyVhMC8QndEACu N16mvivnWwLDdypvco5PF8w9yrfZDKW4ggf9TFVB9skzMNCuQc+tc+QM+ni2c4kKIdz2jmcg 6QytgqVum6V1OsNmpjADaQkVp5jL0tmg6/KA9Tvr07Kuv+Uo4tSrS/4djDjJnXHEp/tB+Fw7 CArNtUtLlc8SuADCmMD+kBOVWktZyzkBkDfBXlTWl46T/8291lEspDWe5YW1ZAH/HdCR1rQN ZWjNCpB2Cic58CYMD1rSonCnbfUeyZYNNhNHZosl4dl7f+am87Q2x3pK0DLSoJRxWb7vZB0u o9CzCSm3I++aYozF25xQoT+7zCx2cQi33jwvnJAK1o4VlNx36RfrxzBqc1uZGzJBCQu48Ujm USsTwWC3HpE/D9sM+xACs803lFUIZC5H62G059cCPAXKgsFpNMKmBAWweBkVJAisoQeX50OP +/11ArV0cv+fOTfJj0/KwFXJaaYh3LUQNILLBNxkSrhCLl8dUg53IbHx4NfIAgqxLWGfXM8D Y1aFdU79pac005PuhxCWkKTJz3gCmznnoat4GCnL5gy/m0Qk45l4PFqwWXVLo9AQg2Kp3mlI FZ6fsEKIAN5hxlbNvNb9V2Zo5bFZjPWPFTxOteM0omUAS+QopwU0yPLLGJVf2iCmItHcUXI+ r2JwH1CJjrHWeQEI2ucSKsNa8FllDmG/fQ== Message-ID: Date: Mon, 7 Oct 2019 12:07:56 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.0 MIME-Version: 1.0 In-Reply-To: <1570375708-26965-1-git-send-email-wahrenst@gmx.net> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org On 06/10/2019 17:28, Stefan Wahren wrote: > This series adds minimal support for the new Raspberry Pi 4, so we are able > to login via debug UART. > > Patch 1: Bluetooth driver fix > Patch 2-3: Fix some DT schema warnings > Patch 4-5: Prepare DTS for the new SoC BMC2711 > Patch 6-9: Add Raspberry Pi 4 DTS support > Patch 10: Update MAINTAINERS > > Unfortunately the Raspberry Pi Foundation didn't released a > peripheral documentation for the new SoC yet. So we only have a preliminary > datasheet [1] and reduced schematics [2]. > > Known issues: > Since Linux 5.3-rc1 DMA doesn't work properly on that platform. > Nicolas Saenz Julienne investigates on that issue. As a temporary workaround > i reverted the following patch to test this series: > > 79a98672 "dma-mapping: remove dma_max_pfn" > 7559d612 "mmc: core: let the dma map ops handle bouncing" > Just for reference, the patches from Nicolas are queued for v5.5 inclusion, so it is a better basis to test using his series: https://patchwork.kernel.org/cover/11141719/ Regards, Matthias > Changes in V4: > - add Rob's Reviewed-by > - enable ZONE_DMA for ARCH_BCM2835 > - fix spi reference in bcm2711.dtsi > - fix bluetooth section in RPi 4 dts > - drop "always-on" for armv8-timer > - add necessary Bluetooth driver fix > - add arm64 dts link > - additional comments to the dts files as requested by Florian > > Changes in V3: > - rebased series > - add Reviewed-by > - enable ARM_GIC for ARCH_BCM2835 on arm64 too > - configure i2c pull-up in bcm2711.dtsi > - move i2c2 to bcm2835-common.dtsi > - add missing compatibles to DT schema as suggested by Rob > - fix DT schema warnings in dtsi files > - replace brcm pintrl with generic pinctrl as suggested by Linus > - make dma_zone_size depend on CONFIG_ZONE_DMA as suggested by Matthias > > Changes in V2: > - use separate board file for BCM2711 > - enable ARM_GIC for ARCH_BCM2835 > - add Acked-by and Reviewed-by > - fix arm-pmu and timer nodes for BCM2711 reported by Marc Zyngier > - enable HDMI at board level > - move HDMI and pixelvalve into bcm2835-common.dtsi as suggested by Eric Anholt > - fix DWC2 probing warning by setting USB role to peripheral > - fix order of node references in bcm2711.dtsi > - disable I2C clock stretching quirk for BCM2711 > - mark PLLD_PER as critical clock > - make PLLH clock unavailable on BCM2711 > - fix compile warning in clk-bcm2835 for arm64 > > Changes since RFC: > - change BCM2838 -> BCM2711 as discussed in RFC > - update MAINTAINERS accordingly > - drop "spi: bcm2835: enable shared interrupt support" from series > - squash all pinctrl-bcm2835 changes into one patch > - introduce SoC specific clock registration as suggested by Florian > - fix watchdog probing for Raspberry Pi 4 > - convert brcm,bcm2835.txt to json-schema > - move VC4 node to bcm2835-common.dtsi > - fallback to legacy pull config for Raspberry Pi 4 > - revert unintended change of mailbox in bcm283x.dtsi > - add reference for arm64 > > [1] - https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711/rpi_DATA_2711_1p0_preliminary.pdf > [2] - https://www.raspberrypi.org/documentation/hardware/raspberrypi/schematics/rpi_SCH_4b_4p0_reduced.pdf > > Stefan Wahren (10): > bluetooth: hci_bcm: Fix RTS handling during startup > ARM: dts: bcm283x: Remove simple-bus from fixed clocks > ARM: dts: bcm283x: Remove brcm,bcm2835-pl011 compatible > ARM: dts: bcm283x: Move BCM2835/6/7 specific to bcm2835-common.dtsi > dt-bindings: arm: Convert BCM2835 board/soc bindings to json-schema > dt-bindings: arm: bcm2835: Add Raspberry Pi 4 to DT schema > ARM: bcm: Add support for BCM2711 SoC > ARM: dts: Add minimal Raspberry Pi 4 support > arm64: dts: broadcom: Add reference to RPi 4 B > MAINTAINERS: Add BCM2711 to BCM2835 ARCH > > .../devicetree/bindings/arm/bcm/bcm2835.yaml | 54 ++ > .../devicetree/bindings/arm/bcm/brcm,bcm2835.txt | 67 -- > MAINTAINERS | 3 +- > arch/arm/boot/dts/Makefile | 1 + > arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 123 +++ > arch/arm/boot/dts/bcm2711.dtsi | 844 +++++++++++++++++++++ > arch/arm/boot/dts/bcm2835-common.dtsi | 194 +++++ > arch/arm/boot/dts/bcm2835-rpi.dtsi | 4 - > arch/arm/boot/dts/bcm2835.dtsi | 1 + > arch/arm/boot/dts/bcm2836.dtsi | 1 + > arch/arm/boot/dts/bcm2837.dtsi | 1 + > arch/arm/boot/dts/bcm283x-rpi-usb-peripheral.dtsi | 7 + > arch/arm/boot/dts/bcm283x.dtsi | 190 +---- > arch/arm/mach-bcm/Kconfig | 4 +- > arch/arm/mach-bcm/Makefile | 3 +- > arch/arm/mach-bcm/bcm2711.c | 24 + > arch/arm64/Kconfig.platforms | 5 +- > arch/arm64/boot/dts/broadcom/Makefile | 3 +- > arch/arm64/boot/dts/broadcom/bcm2711-rpi-4-b.dts | 2 + > drivers/bluetooth/hci_bcm.c | 2 + > 20 files changed, 1272 insertions(+), 261 deletions(-) > create mode 100644 Documentation/devicetree/bindings/arm/bcm/bcm2835.yaml > delete mode 100644 Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt > create mode 100644 arch/arm/boot/dts/bcm2711-rpi-4-b.dts > create mode 100644 arch/arm/boot/dts/bcm2711.dtsi > create mode 100644 arch/arm/boot/dts/bcm2835-common.dtsi > create mode 100644 arch/arm/boot/dts/bcm283x-rpi-usb-peripheral.dtsi > create mode 100644 arch/arm/mach-bcm/bcm2711.c > create mode 100644 arch/arm64/boot/dts/broadcom/bcm2711-rpi-4-b.dts > > -- > 2.7.4 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >