From patchwork Tue Mar 16 02:27:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair X-Patchwork-Id: 401904 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT 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 80547C433E9 for ; Tue, 16 Mar 2021 02:28:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 442E565035 for ; Tue, 16 Mar 2021 02:28:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232386AbhCPC2I (ORCPT ); Mon, 15 Mar 2021 22:28:08 -0400 Received: from new4-smtp.messagingengine.com ([66.111.4.230]:33563 "EHLO new4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231643AbhCPC1s (ORCPT ); Mon, 15 Mar 2021 22:27:48 -0400 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailnew.nyi.internal (Postfix) with ESMTP id B77A55809B4; Mon, 15 Mar 2021 22:27:47 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute1.internal (MEProxy); Mon, 15 Mar 2021 22:27:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alistair23.me; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm3; bh=xihCkfjZnCzcr nqNSoSyOVKNoXb242z8lYAQzE/CBkI=; b=SitAAMFclN3QDyfRMmHVA08Wv+gXR fgWy9Tv8R0Ru1Berlq4bFHod1nS1LXo4C9o1dqDQZALLIai1qFeydi6YPlhoihXC I6i6QCQEjfS5B2D4tjPFXmfWJd+BT5hYclDPMNTk3z/N/39LiDIvt+xzoYZEk6Za IJrzAtoelBInJRtlApiM0zEggY8Noz7H8Fbx9ODcgGUBvZ37gzLFW4iPMcqtRvaS af1n5EJfAQTTFL95u0WqSKIUAHaOTEmeR3bFVJdBNDjLQYOAewwtqsmtc74msG68 eMORoWPISZY8iuHYYiCQzSRiYP90tJqMuZQlPBVlPaG10YpmLxvHbtKpw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; bh=xihCkfjZnCzcrnqNSoSyOVKNoXb242z8lYAQzE/CBkI=; b=YSX1Lqy/ RqvwkH6IX+w6j0Tp7Vt3EE/VikXmTAKl7LV6lnBb4/aCDcTMqWG/MHTxyogulglL Iz8h1jYL4slZ3YkJ14qCV08fay1Z6zrBiRBzFV7zWRWW/EUABFmnMB2U18AgvU1D 5MmSMuIEdTFn3BUCU5IxZwydM8xbZRubGIIpHXUnRgB34OVHJw6LFeVfbULv6Bvx wdcnImrhye6bNSWTkKMZUnrahNrf6ViOfWwn2/VdXIQEy0JBw7sYFU83vjxo2Qk0 lutZBuwpuMmkngkOYP8+EtFXeNTXXVi5eHf+YfSLUjDsZgRNJBFPTv88nxAME8xm iDq3Tf+u6WERvw== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrudefuddggeehucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgjfhgggfestdekre dtredttdenucfhrhhomheptehlihhsthgrihhrucfhrhgrnhgtihhsuceorghlihhsthgr ihhrsegrlhhishhtrghirhdvfedrmhgvqeenucggtffrrghtthgvrhhnpeehffejteette ekfffhvdeghfegvedvvdeujeehheefveefudefgeeitdehueejleenucffohhmrghinhep rhgvmhgrrhhkrggslhgvrdgtohhmnecukfhppeeiiedrudduhedrudekledrudejjeenuc evlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpegrlhhishht rghirhesrghlihhsthgrihhrvdefrdhmvg X-ME-Proxy: Received: from ThinkpadX1Yoga3.localdomain (unknown [66.115.189.177]) by mail.messagingengine.com (Postfix) with ESMTPA id B3548240072; Mon, 15 Mar 2021 22:27:46 -0400 (EDT) From: Alistair Francis To: arnd@arndb.de, olof@lixom.net, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, alistair23@gmail.com, Alistair Francis Subject: [PATCH v5 3/3] ARM: imx7d-remarkable2.dts: Initial device tree for reMarkable2 Date: Mon, 15 Mar 2021 22:27:40 -0400 Message-Id: <20210316022740.132-3-alistair@alistair23.me> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210316022740.132-1-alistair@alistair23.me> References: <20210316022740.132-1-alistair@alistair23.me> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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 display. WiFi is untested (no dispaly or UART RX makes it hard to test), but should work with the current upstream driver. As it's untested it's not included in this commit. Signed-off-by: Alistair Francis --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/imx7d-remarkable2.dts | 166 ++++++++++++++++++++++++ 2 files changed, 167 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 8e5d4ab4e75e..dc8e378689af 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -660,6 +660,7 @@ dtb-$(CONFIG_SOC_IMX7D) += \ imx7d-pico-hobbit.dtb \ imx7d-pico-nymph.dtb \ imx7d-pico-pi.dtb \ + imx7d-remarkable2.dtb \ imx7d-sbc-imx7.dtb \ imx7d-sdb.dtb \ imx7d-sdb-reva.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..86d555bd33c2 --- /dev/null +++ b/arch/arm/boot/dts/imx7d-remarkable2.dts @@ -0,0 +1,166 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (C) 2015 Freescale Semiconductor, Inc. + * Copyright (C) 2019 reMarkable AS - http://www.remarkable.com/ + * + */ + +/dts-v1/; + +#include "imx7d.dtsi" + +/ { + model = "reMarkable 2.0"; + compatible = "remarkable,imx7d-remarkable2", "fsl,imx7d"; + + chosen { + stdout-path = &uart6; + }; + + memory { + reg = <0x80000000 0x40000000>; + }; +}; + +&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"; +}; + +&snvs_pwrkey { + status = "okay"; +}; + +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&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; + status = "okay"; +}; + +&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"; + pinctrl-0 = <&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_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_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_wdog: wdoggrp { + fsl,pins = < + MX7D_PAD_ENET1_COL__WDOG1_WDOG_ANY 0x74 + >; + }; +};