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=-15.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 DDA98C433DB for ; Fri, 29 Jan 2021 08:09:20 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 64F4A64E07 for ; Fri, 29 Jan 2021 08:09:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 64F4A64E07 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=vfpQKT3fykiJwXy6IoDKBvWoFi/ZNKepIr8+sRFPrso=; b=GIxcBCz4TR1WU5qEgnUkPOKav pj8qlv2RiFR/Le/iSDokJJh/xN7Wo4rOxvcdv/8pIAeIpb36qJeWSv9RQlfNav+9yvCpWd99bVgL3 QszCUMWxixGQgH1MTc0uIDW4Nae9L/XMWqpABOHtfk/uHqFBAIsUD4prljfQvkh06o0QjBUmha7yF MMJzGIkTzHcdFN/LbCbbiFMQUVT16EibHOqEKobI10Ln6/n7hLSEArcsf+wBvL/ukMxXkJ7lkBy3m dYX98WwwDfcefh2y0uxOL9SIEIq5twEaVppHIm44Ogwf7zIK3ESDwKkBk9oxlJH5U3AsRESvfPS71 FPYNwa2LQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l5Op5-0008SG-S3; Fri, 29 Jan 2021 08:08:08 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l5Op2-0008QV-23 for linux-arm-kernel@lists.infradead.org; Fri, 29 Jan 2021 08:08:05 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 49D1F64E05; Fri, 29 Jan 2021 08:08:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611907682; bh=4V1YL4pB6NxnMmX0M2j78ByR+dPT6i+XQporWT3lBX4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=X2OXgoAcuVHnWHLpUH5Wyalk4ZyjSwFyrThNXXbcGHXwpJgT3yvmtFmwHBNW3xBhd P8P4hZQeTC0ecv1dDHXoHqIkWkyc212+mavivjyiCKBYFzJgxXgjKXaPIS1xQxf8y4 VRU3rnovbN6LsyLmR97KXMQ79PWRDE+/QJvQIzAH1f987NT+iRBcln0AUedTRM1GTu oK7eKay394vdLYpY3V17RkbQS9+Z8NLERs1TTf7MYfGqpR1Cs7+5ax8Kia1WlLUeHJ H0FebMjMq9MV6HMNO7M4ocx0tgOe9MVxM/4PMPiUQXBNnR3xowIuyBAH2RbYfewGGD CDtophFJH1WjA== Date: Fri, 29 Jan 2021 16:07:56 +0800 From: Shawn Guo To: Alistair Francis Subject: Re: [PATCH v2 1/3] imx7d-remarkable2.dts: Initial device tree for reMarkable2 Message-ID: <20210129080755.GI4356@dragon> References: <20210117180301.1956-1-alistair@alistair23.me> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210117180301.1956-1-alistair@alistair23.me> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210129_030804_281273_D5DA04CC X-CRM114-Status: GOOD ( 36.99 ) 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, arnd@arndb.de, s.hauer@pengutronix.de, linux-kernel@vger.kernel.org, robh+dt@kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, olof@lixom.net, alistair23@gmail.com, festevam@gmail.com, 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+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, Jan 17, 2021 at 10:02:59AM -0800, Alistair Francis wrote: > The reMarkable2 (https://remarkable.com) is an e-ink tablet based on > the imx7d SoC. > > This commit is based on the DTS provide by reMarkable but ported to the > latest kernel (instead of 4.14). I have removed references to > non-upstream devices and have changed the UART so that the console can > be accessed without having to open up the device via the OTG pogo pins. > > Currently the kernel boots, but there is no support for the dispaly, > WiFi or the power controller chips. > > Signed-off-by: Alistair Francis > --- > v2: > - No change to this patch, use the existing defconfig > > arch/arm/boot/dts/Makefile | 1 + > arch/arm/boot/dts/imx7d-remarkable2.dts | 375 ++++++++++++++++++++++++ > 2 files changed, 376 insertions(+) > create mode 100644 arch/arm/boot/dts/imx7d-remarkable2.dts > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > index 3d1ea0b25168..5fca2612ef58 100644 > --- a/arch/arm/boot/dts/Makefile > +++ b/arch/arm/boot/dts/Makefile > @@ -664,6 +664,7 @@ dtb-$(CONFIG_SOC_IMX7D) += \ > imx7d-sdb-sht11.dtb \ > imx7d-zii-rmu2.dtb \ > imx7d-zii-rpu2.dtb \ > + imx7d-remarkable2.dtb \ Please keep the list alphabetically sorted. > imx7s-colibri-aster.dtb \ > imx7s-colibri-eval-v3.dtb \ > imx7s-mba7.dtb \ > diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts > new file mode 100644 > index 000000000000..fba55a0e028a > --- /dev/null > +++ b/arch/arm/boot/dts/imx7d-remarkable2.dts > @@ -0,0 +1,375 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (C) 2015 Freescale Semiconductor, Inc. > + * Copyright (C) 2019 reMarkable AS - http://www.remarkable.com/ > + * > + * This file is dual-licensed: you can use it either under the terms > + * of the GPL or the X11 license, at your option. Note that this dual > + * licensing only applies to this file, and not this project as a > + * whole. > + * > + * a) This file is free software; you can redistribute it and/or > + * modify it under the terms of the GNU General Public License as > + * published by the Free Software Foundation; either version 2 of the > + * License, or (at your option) any later version. > + * > + * This file is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * Or, alternatively, > + * > + * b) Permission is hereby granted, free of charge, to any person > + * obtaining a copy of this software and associated documentation > + * files (the "Software"), to deal in the Software without > + * restriction, including without limitation the rights to use, > + * copy, modify, merge, publish, distribute, sublicense, and/or > + * sell copies of the Software, and to permit persons to whom the > + * Software is furnished to do so, subject to the following > + * conditions: > + * > + * The above copyright notice and this permission notice shall be > + * included in all copies or substantial portions of the Software. > + * > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES > + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT > + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, > + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING > + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR > + * OTHER DEALINGS IN THE SOFTWARE. With the SPDX-License-Identifier tag on the first line, we can save the license text here. > + */ > + > +/dts-v1/; > + > +#include "imx7d.dtsi" > + > +/ { > + model = "reMarkable 2.0"; > + compatible = "fsl,imx7d-sdb", "fsl,imx7d"; We should have a reMarkable specific compatible. > + > + chosen { > + stdout-path = &uart6; > + }; > + > + memory { > + reg = <0x80000000 0x40000000>; > + }; > + > + reg_vref_1v8: regulator-vref-1v8 { Drop unused fixed regulator. You should only add it when there is an user for it. > + compatible = "regulator-fixed"; > + regulator-name = "vref-1v8"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + }; > + > + reg_brcm: regulator-brcm { > + compatible = "regulator-fixed"; > + regulator-name = "brcm_reg"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + pinctrl-names = "default", "sleep"; > + pinctrl-0 = <&pinctrl_brcm_reg>; > + pinctrl-1 = <&pinctrl_brcm_reg>; Please double check if corresponding upstream driver actually supports "sleep" pinctrl state, before you add it into the device node. > + gpio = <&gpio6 13 GPIO_ACTIVE_HIGH>; > + enable-active-high; > + startup-delay-us = <150>; > + }; > + > + reg_digitizer: regulator-digitizer { > + compatible = "regulator-fixed"; > + regulator-name = "VDD_3V3_DIGITIZER"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + pinctrl-names = "default", "sleep"; > + pinctrl-0 = <&pinctrl_digitizer_reg>; > + pinctrl-1 = <&pinctrl_digitizer_reg>; > + gpio = <&gpio1 6 GPIO_ACTIVE_HIGH>; > + enable-active-high; > + startup-delay-us = <100000>; /* 100 ms */ > + }; > + > + reg_touch: regulator-touch { > + compatible = "regulator-fixed"; > + regulator-name = "VDD_3V3_TOUCH"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + pinctrl-names = "default", "sleep"; > + pinctrl-0 = <&pinctrl_touch_reg>; > + pinctrl-1 = <&pinctrl_touch_reg>; > + gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>; > + enable-active-high; > + }; > + > + reg_sdoe: regulator-sdoe { > + compatible = "regulator-fixed"; > + regulator-name = "SDOE"; > + pinctrl-names = "default", "sleep"; > + pinctrl-0 = <&pinctrl_sdoe_reg>; > + pinctrl-1 = <&pinctrl_sdoe_reg>; > + gpio = <&gpio3 27 GPIO_ACTIVE_HIGH>; > + enable-active-high; > + }; > + > + reg_gdoe: regulator-gdoe { > + compatible = "regulator-fixed"; > + regulator-name = "GDOE"; > + pinctrl-names = "default", "sleep"; > + pinctrl-0 = <&pinctrl_gdoe_reg>; > + pinctrl-1 = <&pinctrl_gdoe_reg>; > + gpio = <&gpio3 21 GPIO_ACTIVE_HIGH>; > + enable-active-high; > + regulator-always-on; > + }; > + > + wifi_pwrseq: wifi_pwrseq { > + compatible = "mmc-pwrseq-simple"; > + pinctrl-names = "default", "sleep"; > + pinctrl-0 = <&pinctrl_wifi>; > + pinctrl-1 = <&pinctrl_wifi>; > + reset-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>; > + clocks = <&clks IMX7D_CLKO2_ROOT_DIV>; > + clock-names = "ext_clock"; > + }; > +}; > + > +&clks { > + assigned-clocks = <&clks IMX7D_CLKO2_ROOT_SRC>, > + <&clks IMX7D_CLKO2_ROOT_DIV>; > + assigned-clock-parents = <&clks IMX7D_CKIL>; > + assigned-clock-rates = <0>, <32768>; > +}; > + > +&crypto { > + status = "disabled"; > +}; > + > +&dma_apbh { > + status = "disabled"; > +}; > + > +&sdma { > + status = "okay"; > +}; > + > +&uart1 { > + pinctrl-names = "default", "sleep"; > + pinctrl-0 = <&pinctrl_uart1>; > + pinctrl-1 = <&pinctrl_uart1>; > + assigned-clocks = <&clks IMX7D_UART1_ROOT_SRC>; > + assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>; > + status = "okay"; > +}; > + > +&uart6 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_uart6>; > + assigned-clocks = <&clks IMX7D_UART6_ROOT_SRC>; > + assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>; > + status = "okay"; > +}; > + > +&usbotg2 { > + srp-disable; > + hnp-disable; > + asp-disable; Unsupported property. > + phy-charger-detection; Ditto > + status = "okay"; > +}; > + > +&usdhc2 { > + #address-cells = <1>; > + #size-cells = <0>; > + pinctrl-names = "default", "state_100mhz", "sleep"; > + pinctrl-0 = <&pinctrl_usdhc2>; > + pinctrl-1 = <&pinctrl_usdhc2_100mhz>; > + pinctrl-2 = <&pinctrl_usdhc2>; > + mmc-pwrseq = <&wifi_pwrseq>; > + vmmc-supply = <®_brcm>; > + bus-width = <4>; > + non-removable; > + keep-power-in-suspend; > + cap-power-off-card; > + status = "okay"; > + > + brcmf: bcrmf@1 { > + reg = <1>; > + compatible = "brcm,bcm4329-fmac"; > + }; > +}; > + > +&usdhc3 { > + pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep"; > + pinctrl-0 = <&pinctrl_usdhc3>; > + pinctrl-1 = <&pinctrl_usdhc3_100mhz>; > + pinctrl-2 = <&pinctrl_usdhc3_200mhz>; > + pinctrl-3 = <&pinctrl_usdhc3>; > + assigned-clocks = <&clks IMX7D_USDHC3_ROOT_CLK>; > + assigned-clock-rates = <400000000>; > + bus-width = <8>; > + non-removable; > + status = "okay"; > +}; > + > +&wdog1 { > + pinctrl-names = "default", "sleep"; > + pinctrl-0 = <&pinctrl_wdog>; > + pinctrl-1 = <&pinctrl_wdog>; > + fsl,ext-reset-output; > +}; > + > +&iomuxc_lpsr { > + pinctrl_digitizer_reg: digitizerreggrp { > + fsl,pins = < > + /* DIGITIZER_PWR_EN */ > + MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6 0x14 > + >; > + }; > +}; > + > +&iomuxc { > + pinctrl_bd71815: bd71815grp { > + fsl,pins = < > + MX7D_PAD_SAI1_RX_SYNC__GPIO6_IO16 0x59 > + >; > + }; Add pinctrl entry only when there is actually an user of it. > + > + pinctrl_uart1: uart1grp { > + fsl,pins = < > + MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX 0x79 > + MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX 0x79 > + >; > + }; > + > + pinctrl_uart6: uart6grp { > + fsl,pins = < > + MX7D_PAD_EPDC_DATA09__UART6_DCE_TX 0x79 > + MX7D_PAD_EPDC_DATA08__UART6_DCE_RX 0x79 > + >; > + }; > + > + pinctrl_usdhc2: usdhc2grp { > + fsl,pins = < > + MX7D_PAD_SD2_CMD__SD2_CMD 0x59 > + MX7D_PAD_SD2_CLK__SD2_CLK 0x19 > + MX7D_PAD_SD2_DATA0__SD2_DATA0 0x59 > + MX7D_PAD_SD2_DATA1__SD2_DATA1 0x59 > + MX7D_PAD_SD2_DATA2__SD2_DATA2 0x59 > + MX7D_PAD_SD2_DATA3__SD2_DATA3 0x59 > + >; > + }; > + > + pinctrl_usdhc2_100mhz: usdhc2grp_100mhz { > + fsl,pins = < > + MX7D_PAD_SD2_CMD__SD2_CMD 0x5a > + MX7D_PAD_SD2_CLK__SD2_CLK 0x1a > + MX7D_PAD_SD2_DATA0__SD2_DATA0 0x5a > + MX7D_PAD_SD2_DATA1__SD2_DATA1 0x5a > + MX7D_PAD_SD2_DATA2__SD2_DATA2 0x5a > + MX7D_PAD_SD2_DATA3__SD2_DATA3 0x5a > + >; > + }; > + > + pinctrl_usdhc2_200mhz: usdhc2grp_200mhz { No user of it. > + fsl,pins = < > + MX7D_PAD_SD2_CMD__SD2_CMD 0x5b > + MX7D_PAD_SD2_CLK__SD2_CLK 0x1b > + MX7D_PAD_SD2_DATA0__SD2_DATA0 0x5b > + MX7D_PAD_SD2_DATA1__SD2_DATA1 0x5b > + MX7D_PAD_SD2_DATA2__SD2_DATA2 0x5b > + MX7D_PAD_SD2_DATA3__SD2_DATA3 0x5b > + >; > + }; > + > + One newline is good enough. > + pinctrl_usdhc3: usdhc3grp { > + fsl,pins = < > + MX7D_PAD_SD3_CMD__SD3_CMD 0x59 > + MX7D_PAD_SD3_CLK__SD3_CLK 0x19 > + MX7D_PAD_SD3_DATA0__SD3_DATA0 0x59 > + MX7D_PAD_SD3_DATA1__SD3_DATA1 0x59 > + MX7D_PAD_SD3_DATA2__SD3_DATA2 0x59 > + MX7D_PAD_SD3_DATA3__SD3_DATA3 0x59 > + MX7D_PAD_SD3_DATA4__SD3_DATA4 0x59 > + MX7D_PAD_SD3_DATA5__SD3_DATA5 0x59 > + MX7D_PAD_SD3_DATA6__SD3_DATA6 0x59 > + MX7D_PAD_SD3_DATA7__SD3_DATA7 0x59 > + MX7D_PAD_SD3_STROBE__SD3_STROBE 0x19 > + >; > + }; > + > + pinctrl_usdhc3_100mhz: usdhc3grp_100mhz { > + fsl,pins = < > + MX7D_PAD_SD3_CMD__SD3_CMD 0x5a > + MX7D_PAD_SD3_CLK__SD3_CLK 0x1a > + MX7D_PAD_SD3_DATA0__SD3_DATA0 0x5a > + MX7D_PAD_SD3_DATA1__SD3_DATA1 0x5a > + MX7D_PAD_SD3_DATA2__SD3_DATA2 0x5a > + MX7D_PAD_SD3_DATA3__SD3_DATA3 0x5a > + MX7D_PAD_SD3_DATA4__SD3_DATA4 0x5a > + MX7D_PAD_SD3_DATA5__SD3_DATA5 0x5a > + MX7D_PAD_SD3_DATA6__SD3_DATA6 0x5a > + MX7D_PAD_SD3_DATA7__SD3_DATA7 0x5a > + MX7D_PAD_SD3_STROBE__SD3_STROBE 0x1a > + >; > + }; > + > + pinctrl_usdhc3_200mhz: usdhc3grp_200mhz { > + fsl,pins = < > + MX7D_PAD_SD3_CMD__SD3_CMD 0x5b > + MX7D_PAD_SD3_CLK__SD3_CLK 0x1b > + MX7D_PAD_SD3_DATA0__SD3_DATA0 0x5b > + MX7D_PAD_SD3_DATA1__SD3_DATA1 0x5b > + MX7D_PAD_SD3_DATA2__SD3_DATA2 0x5b > + MX7D_PAD_SD3_DATA3__SD3_DATA3 0x5b > + MX7D_PAD_SD3_DATA4__SD3_DATA4 0x5b > + MX7D_PAD_SD3_DATA5__SD3_DATA5 0x5b > + MX7D_PAD_SD3_DATA6__SD3_DATA6 0x5b > + MX7D_PAD_SD3_DATA7__SD3_DATA7 0x5b > + MX7D_PAD_SD3_STROBE__SD3_STROBE 0x1b > + >; > + }; > + > + pinctrl_brcm_reg: brcmreggrp { Please sort pinctrl nodes alphabetically. Shawn > + fsl,pins = < > + /* WIFI_PWR_EN */ > + MX7D_PAD_SAI1_TX_BCLK__GPIO6_IO13 0x14 > + >; > + }; > + > + pinctrl_wifi: wifigrp { > + fsl,pins = < > + /* WiFi Reg On */ > + MX7D_PAD_SD2_CD_B__GPIO5_IO9 0x00000014 > + /* WiFi Sleep 32k */ > + MX7D_PAD_SD1_WP__CCM_CLKO2 0x00000014 > + >; > + }; > + > + pinctrl_wdog: wdoggrp { > + fsl,pins = < > + MX7D_PAD_ENET1_COL__WDOG1_WDOG_ANY 0x74 > + >; > + }; > + > + pinctrl_touch_reg: touchreggrp { > + fsl,pins = < > + /* TOUCH_PWR_EN */ > + MX7D_PAD_GPIO1_IO11__GPIO1_IO11 0x14 > + >; > + }; > + > + pinctrl_sdoe_reg: sdoereggrp { > + fsl,pins = < > + MX7D_PAD_LCD_DATA22__GPIO3_IO27 0x74 > + >; > + }; > + > + pinctrl_gdoe_reg: gdoereggrp { > + fsl,pins = < > + MX7D_PAD_LCD_DATA16__GPIO3_IO21 0x74 > + >; > + }; > +}; > -- > 2.29.2 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel