From patchwork Tue Feb 1 17:27:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Wahren X-Patchwork-Id: 12732075 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 20840C433EF for ; Tue, 1 Feb 2022 17:30:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=PzyRhLhLH2SEq8NSuNYC+ude/TVdu5TiqXJAdU+jHQY=; b=XBL0kohsfTrqEZ ZyyLrm2KrT+iE+IMbncvGZW5GMD/SZEKwB/5RaoCwQ/EykTgqnCrkOegAOwMGVd74a5OfKOaIbCoP 6c30PDnE1PbI6V+EaAO8VRBR5/FolrW6dCZim1vmlAGYVopF3m8i9PLAji/h5tV7IaWItg1SSWt/E /KLHjGKRo6diaR2ccLxSIMXvIBnNwP49/N7faREfjGlZAiw7TnugeqVnQLNVSsTncOIF0m2RDxwAn 2mfw8x7S1NV4dvaqxexQeRbrNVWfR6QYKAY10wqcfnYCGojMRIiXp4uSeB6gAny39NLNU4aGdjZkn BFCAnY8/+vlhB8sxpeuA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nEwxI-00DBeE-08; Tue, 01 Feb 2022 17:28:36 +0000 Received: from mout.kundenserver.de ([212.227.17.10]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nEwx1-00DBY5-7J; Tue, 01 Feb 2022 17:28:21 +0000 Received: from localhost.localdomain ([37.4.249.169]) by mrelayeu.kundenserver.de (mreue107 [212.227.15.183]) with ESMTPSA (Nemesis) id 1Md66H-1mgAIR2Egl-00aCE6; Tue, 01 Feb 2022 18:28:12 +0100 From: Stefan Wahren To: Rob Herring , Florian Fainelli , Nicolas Saenz Julienne Cc: Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com, Arnd Bergmann , Olof Johansson , Phil Elwell , devicetree@vger.kernel.org, soc@kernel.org, linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, Stefan Wahren Subject: [PATCH V2 2/3] ARM: dts: Add Raspberry Pi Zero 2 W Date: Tue, 1 Feb 2022 18:27:46 +0100 Message-Id: <1643736467-17764-3-git-send-email-stefan.wahren@i2se.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1643736467-17764-1-git-send-email-stefan.wahren@i2se.com> References: <1643736467-17764-1-git-send-email-stefan.wahren@i2se.com> X-Provags-ID: V03:K1:5N4koCStL57Z+yDGLpr/nE4J/nbJUku+HoCjThPavhRjpU4WS4R AvFDNcOjWzizNZFag/vguuJxVECuawTQt0D8sXOTX5Y4S01A0cmfPmB8avfJUIVT75bfbCL mvh/jM3Wu91veA3IlSqaL41B1zW7Cs8q8d9Hmj9Vw1WeBJM0eSjxjE6BzNLsGGWfgxp5atI +pv0JILooqFR88SdeLLfQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:iZ5uyo5FviI=:vpfXj0Iv5Yjs28agoRz0+a M5GqMPUhazzXpyscY1tXxvK7/zacOwH2kxFClZfOXm6L1i2NkrgSodCkiY+hejmCIw07ZZBla aDcQB7nz9+eWg0N6YZ86pS1kDTn/COjLVNO3dLVP/+dNnH2mKA18zhQoFYtxdNhb+BazjQCzq MIO/yqLZEZQJHW2ct69lj/9HfFw+CyFKv2AC60MVNrBGdtElKJbV6uxFFD3c/J2DQ+c/8WPO1 bab4LSLIyoVxvjCQMJDSg9vhWGDijMv1Y/NlHuF8cHUtFuVBeXyD9LLzCtbYJCyAcYRdjM/dN qbqDpaQKSFqCOEsPXEbdaMA7u2PEyVzJp7DTwgWVDAliaNU2C4+Wac6yiby9J77SfZFwGWZMr pgfq2zcgPdwuQ0vwRvnipiN1YpO07nS7gccRW6JyOmvvxCk/WqmcBY3YuiqWWLjHkMAB2x+v1 cQ/rKOKwsSrarUY+qaeoWNZpGHXMVx0wIAmDvP6bfouDUShiJoduKpT6jCCFbLm2DUwykR7K3 fI1DcknY6Q5bXtzokGwSKkzoV9qKSJHCXQX5D2u9znfoAnRq7nfgoZofIR8krflQWzn4MxxIQ 8/In7+D/I0PCvWnC+9XjGkDg614B5mNSeV3He5bhyUFVK2JICyMYEBWLG+hK1pRsEKSNDkYtf Skb+sgMUO1mr92SupY+NAQxbzu+ncZlRQNpLNwSFfQg15DLWw/3Zoq285uPjBadw7YOjO0JjK nHFTCwZk18K031XL X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220201_092819_580189_419D7E8E X-CRM114-Status: GOOD ( 15.62 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The Raspberry Pi Zero 2 W mostly bases on the Raspberry Pi Zero W with the following differences: * Broadcom BCM2710A1, quad-core 64-bit SoC @ 1 GHz * Synaptics BCM43436 (reported as BCM43430B0) IEEE 802.11b/g/n wireless LAN Contrary to the Raspberry Pi 3 boards there is no GPIO expander. Signed-off-by: Stefan Wahren --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/bcm2837-rpi-zero-2-w.dts | 136 +++++++++++++++++++++++++++++ 2 files changed, 137 insertions(+) create mode 100644 arch/arm/boot/dts/bcm2837-rpi-zero-2-w.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 235ad55..fe31d14 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -93,6 +93,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \ bcm2837-rpi-3-b.dtb \ bcm2837-rpi-3-b-plus.dtb \ bcm2837-rpi-cm3-io3.dtb \ + bcm2837-rpi-zero-2-w.dtb \ bcm2711-rpi-400.dtb \ bcm2711-rpi-4-b.dtb \ bcm2711-rpi-cm4-io.dtb \ diff --git a/arch/arm/boot/dts/bcm2837-rpi-zero-2-w.dts b/arch/arm/boot/dts/bcm2837-rpi-zero-2-w.dts new file mode 100644 index 0000000..4a76856 --- /dev/null +++ b/arch/arm/boot/dts/bcm2837-rpi-zero-2-w.dts @@ -0,0 +1,136 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2022 Stefan Wahren + */ + +/dts-v1/; +#include "bcm2837.dtsi" +#include "bcm2836-rpi.dtsi" +#include "bcm283x-rpi-usb-otg.dtsi" +#include "bcm283x-rpi-wifi-bt.dtsi" + +/ { + compatible = "raspberrypi,model-zero-2-w", "brcm,bcm2837"; + model = "Raspberry Pi Zero 2 W"; + + memory@0 { + device_type = "memory"; + reg = <0 0x20000000>; + }; + + chosen { + /* 8250 auxiliary UART instead of pl011 */ + stdout-path = "serial1:115200n8"; + }; + + leds { + led-act { + gpios = <&gpio 29 GPIO_ACTIVE_LOW>; + }; + }; +}; + +&bt { + shutdown-gpios = <&gpio 42 GPIO_ACTIVE_HIGH>; +}; + +&gpio { + /* + * This is based on the official GPU firmware DT blob. + * + * Legend: + * "NC" = not connected (no rail from the SoC) + * "FOO" = GPIO line named "FOO" on the schematic + * "FOO_N" = GPIO line named "FOO" on schematic, active low + */ + gpio-line-names = "ID_SDA", + "ID_SCL", + "SDA1", + "SCL1", + "GPIO_GCLK", + "GPIO5", + "GPIO6", + "SPI_CE1_N", + "SPI_CE0_N", + "SPI_MISO", + "SPI_MOSI", + "SPI_SCLK", + "GPIO12", + "GPIO13", + /* Serial port */ + "TXD0", + "RXD0", + "GPIO16", + "GPIO17", + "GPIO18", + "GPIO19", + "GPIO20", + "GPIO21", + "GPIO22", + "GPIO23", + "GPIO24", + "GPIO25", + "GPIO26", + "GPIO27", + "HDMI_HPD_N", + "STATUS_LED_N", + "NC", /* GPIO30 */ + "NC", /* GPIO31 */ + "NC", /* GPIO32 */ + "NC", /* GPIO33 */ + "NC", /* GPIO34 */ + "NC", /* GPIO35 */ + "NC", /* GPIO36 */ + "NC", /* GPIO37 */ + "NC", /* GPIO38 */ + "NC", /* GPIO39 */ + "CAM_GPIO0", /* GPIO40 */ + "WL_ON", /* GPIO41 */ + "BT_ON", /* GPIO42 */ + "WIFI_CLK", /* GPIO43 */ + "SDA0", /* GPIO44 */ + "SCL0", /* GPIO45 */ + "SMPS_SCL", + "SMPS_SDA", + /* Used by SD Card */ + "SD_CLK_R", + "SD_CMD_R", + "SD_DATA0_R", + "SD_DATA1_R", + "SD_DATA2_R", + "SD_DATA3_R"; + + pinctrl-0 = <&gpioout &alt0>; +}; + +&hdmi { + hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>; + power-domains = <&power RPI_POWER_DOMAIN_HDMI>; + status = "okay"; +}; + +&sdhci { + pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>; +}; + +&sdhost { + pinctrl-names = "default"; + pinctrl-0 = <&sdhost_gpio48>; + bus-width = <4>; + status = "okay"; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>; +}; + +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_gpio14>; + status = "okay"; +}; + +&wifi_pwrseq { + reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>; +};