From 83989fccc2592bbec3df90db56d52b9dfed9647e Mon Sep 17 00:00:00 2001 From: Peter Robinson Date: Thu, 20 Dec 2018 03:16:00 +0000 Subject: Initial support for Raspberry Pi model 3A+ --- bcm2837-dts-add-Raspberry-Pi-3-A.patch | 511 +++++++++++++++++++++++++++++++++ kernel.spec | 6 + 2 files changed, 517 insertions(+) create mode 100644 bcm2837-dts-add-Raspberry-Pi-3-A.patch diff --git a/bcm2837-dts-add-Raspberry-Pi-3-A.patch b/bcm2837-dts-add-Raspberry-Pi-3-A.patch new file mode 100644 index 000000000..705fca6cb --- /dev/null +++ b/bcm2837-dts-add-Raspberry-Pi-3-A.patch @@ -0,0 +1,511 @@ +From patchwork Tue Dec 4 18:58:17 2018 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +X-Patchwork-Submitter: Stefan Wahren +X-Patchwork-Id: 10712425 +Return-Path: + +Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org + [172.30.200.125]) + by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C411313BF + for ; + Tue, 4 Dec 2018 18:59:34 +0000 (UTC) +Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) + by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B721A2BD01 + for ; 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charset="us-ascii" +Sender: "linux-arm-kernel" +Errors-To: + linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org +X-Virus-Scanned: ClamAV using ClamSMTP + +This adds the root properties for the Raspberry Pi 3 A+ . + +Signed-off-by: Stefan Wahren +Reviewed-by: Eric Anholt +Reviewed-by: Rob Herring +--- + Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt +index 0dcc3ea..245328f 100644 +--- a/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt ++++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt +@@ -30,6 +30,10 @@ Raspberry Pi 2 Model B + Required root node properties: + compatible = "raspberrypi,2-model-b", "brcm,bcm2836"; + ++Raspberry Pi 3 Model A+ ++Required root node properties: ++compatible = "raspberrypi,3-model-a-plus", "brcm,bcm2837"; ++ + Raspberry Pi 3 Model B + Required root node properties: + compatible = "raspberrypi,3-model-b", "brcm,bcm2837"; + +From patchwork Tue Dec 4 18:58:18 2018 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +X-Patchwork-Submitter: Stefan Wahren +X-Patchwork-Id: 10712423 +Return-Path: + +Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org + [172.30.200.125]) + by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A15061731 + for ; + Tue, 4 Dec 2018 18:59:21 +0000 (UTC) +Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) + by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 924D82BD01 + for ; + Tue, 4 Dec 2018 18:59:21 +0000 (UTC) +Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) + id 83F5B2BD2D; Tue, 4 Dec 2018 18:59:21 +0000 (UTC) +X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on + pdx-wl-mail.web.codeaurora.org +X-Spam-Level: +X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, + DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 +Received: from bombadil.infradead.org (bombadil.infradead.org + [198.137.202.133]) + (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) + (No client certificate requested) + by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 1A1EB2BD01 + for ; 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Tue, 04 Dec 2018 18:59:17 +0000 +Received: from mout.kundenserver.de ([212.227.126.135]) + by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) + id 1gUFuc-000737-AF; Tue, 04 Dec 2018 18:59:16 +0000 +Received: from localhost.localdomain ([37.4.249.153]) by + mrelayeu.kundenserver.de (mreue012 [212.227.15.167]) with ESMTPSA (Nemesis) + id 1MTfgb-1gvyxH1xQz-00TyQt; Tue, 04 Dec 2018 19:58:54 +0100 +From: Stefan Wahren +To: Rob Herring , Mark Rutland , + Florian Fainelli , Ray Jui , + Scott Branden , Eric Anholt , + Arnd Bergmann +Subject: [PATCH V3 2/3] ARM: dts: add Raspberry Pi 3 A+ +Date: Tue, 4 Dec 2018 19:58:18 +0100 +Message-Id: <1543949899-13380-3-git-send-email-stefan.wahren@i2se.com> +X-Mailer: git-send-email 2.7.4 +In-Reply-To: <1543949899-13380-1-git-send-email-stefan.wahren@i2se.com> +References: <1543949899-13380-1-git-send-email-stefan.wahren@i2se.com> +X-Provags-ID: V03:K1:3DMMDYjsCTx6IxBf2WC2ooKMnJiVzq9RVmh0csGsajg6lyIrJhZ + 1Bxu2ZSF3G0pHYpWlUkunk+gbYzjwXHLe7l8Qt331s0uI7iQlNoKYnDPTnSttqFWy6REewG + TGQ/wBenT40TkCKYB4Jzxzm/sBnOCRuCRNOESZRNHpPgNmq54dplz7pgEsWcSC+rJNqDZ57 + hZVdKs0sW1HDASHCi5bwQ== +X-UI-Out-Filterresults: notjunk:1;V03:K0:xL1UKc14icc=:ywcRqmyL4hAvJKGdv9SW2+ + nB4fjCvnj/X2wxnBW6IGj37m5w0vogpA8hZ8T6OzOMSxYREPfeTGl0fgSVwKdAAfQTilDe5XN + wVJ+fvkM/SVIA7FUaeR+eechsklUZrJKVpjZMrIYH7GLwVl6OVF7VFhlvxC3o1DUlYE3m4GKL + DrhSdB9wcKUO+KrQc67I4PhdhKePc2EaA1/fDGNkQFkCVlXsw1vdrfla5T/tetBlHQq+qCPcl + vuLv5NeXx2KtC0zqEdEKZn7KqcA//KMtDQCWmXnc9jvjqx17DF5Iji1xQe4vXA196P9ZcF1U0 + vpv6mSI3SPtCJEn48zHMTIt6tVRJ6Ao0HmZEkFDyRW3c8sgK4OFLnLUjSx4YoSHB9RKnC+Psz + 5QZLWBT81RHxqPiLa49EXhaHkyDXtiinriofvqJqogtl+X0J9Rmn7wczjqYRaQzp1iBTrpXNT + sC/ZLyTJ25ZAAMrotIK1UgL9S4CFgdwDk0AKcVUycNoVsWeIrCC743fQazerXkOFNeuBW9t55 + G5gQD5pmEvQkOjb+cExnODkM9L7eOIrrJzsap98bS0Bsu7inAsXOIObRVJWtKpEwXQ5PUo3gt + Ku6C8Xgr5A2ydsc9LegxF5JXOM9UPx9+eN3hHsH3aW5+eW80KDN6INGwBoJnvwPHDdlK2PRH/ + nEOKWJBTLqRcf39DMKyzTJirlz/jNbWra0qisP3AYgQv2lF0jM5hs64oQ2nDzHbFAKljBdf+0 + wMfkYx1QgW1uF+G+3OEXmrPRKSqUFihd4VBKZ0WYsMkKX+VEO9T1n75KUNU= +X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 +X-CRM114-CacheID: sfid-20181204_105914_660350_5C19EA39 +X-CRM114-Status: GOOD ( 18.48 ) +X-BeenThere: linux-arm-kernel@lists.infradead.org +X-Mailman-Version: 2.1.21 +Precedence: list +List-Id: +List-Unsubscribe: + , + +List-Archive: +List-Post: +List-Help: +List-Subscribe: + , + +Cc: Stefan Wahren , devicetree@vger.kernel.org, + bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, + linux-arm-kernel@lists.infradead.org +MIME-Version: 1.0 +Content-Type: text/plain; charset="us-ascii" +Sender: "linux-arm-kernel" +Errors-To: + linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org +X-Virus-Scanned: ClamAV using ClamSMTP + +The Raspberry Pi 3 A+ is similar to the Pi 3 B+ but has only 512 MB RAM, +1 USB 2.0 port and no Ethernet. + +Signed-off-by: Stefan Wahren +Reviewed-by: Eric Anholt +--- + arch/arm/boot/dts/Makefile | 1 + + arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts | 107 +++++++++++++++++++++++++++++ + 2 files changed, 108 insertions(+) + create mode 100644 arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts + +diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile +index b0e966d..15bbd0d 100644 +--- a/arch/arm/boot/dts/Makefile ++++ b/arch/arm/boot/dts/Makefile +@@ -79,6 +79,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \ + bcm2835-rpi-a-plus.dtb \ + bcm2835-rpi-cm1-io1.dtb \ + bcm2836-rpi-2-b.dtb \ ++ bcm2837-rpi-3-a-plus.dtb \ + bcm2837-rpi-3-b.dtb \ + bcm2837-rpi-3-b-plus.dtb \ + bcm2837-rpi-cm3-io3.dtb \ +diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts b/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts +new file mode 100644 +index 0000000..b2df7cf +--- /dev/null ++++ b/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts +@@ -0,0 +1,107 @@ ++// SPDX-License-Identifier: GPL-2.0 ++/dts-v1/; ++#include "bcm2837.dtsi" ++#include "bcm2836-rpi.dtsi" ++#include "bcm283x-rpi-usb-host.dtsi" ++ ++/ { ++ compatible = "raspberrypi,3-model-a-plus", "brcm,bcm2837"; ++ model = "Raspberry Pi 3 Model A+"; ++ ++ chosen { ++ /* 8250 auxiliary UART instead of pl011 */ ++ stdout-path = "serial1:115200n8"; ++ }; ++ ++ memory { ++ reg = <0 0x20000000>; ++ }; ++ ++ leds { ++ act { ++ gpios = <&gpio 29 GPIO_ACTIVE_HIGH>; ++ }; ++ ++ pwr { ++ label = "PWR"; ++ gpios = <&expgpio 2 GPIO_ACTIVE_LOW>; ++ }; ++ }; ++ ++ wifi_pwrseq: wifi-pwrseq { ++ compatible = "mmc-pwrseq-simple"; ++ reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; ++ }; ++}; ++ ++&firmware { ++ expgpio: gpio { ++ compatible = "raspberrypi,firmware-gpio"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ gpio-line-names = "BT_ON", ++ "WL_ON", ++ "STATUS_LED", ++ "", ++ "", ++ "CAM_GPIO0", ++ "CAM_GPIO1", ++ ""; ++ status = "okay"; ++ }; ++}; ++ ++&hdmi { ++ hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>; ++}; ++ ++&pwm { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>; ++ status = "okay"; ++}; ++ ++/* SDHCI is used to control the SDIO for wireless */ ++&sdhci { ++ #address-cells = <1>; ++ #size-cells = <0>; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&emmc_gpio34>; ++ status = "okay"; ++ bus-width = <4>; ++ non-removable; ++ mmc-pwrseq = <&wifi_pwrseq>; ++ ++ brcmf: wifi@1 { ++ reg = <1>; ++ compatible = "brcm,bcm4329-fmac"; ++ }; ++}; ++ ++/* SDHOST is used to drive the SD card */ ++&sdhost { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&sdhost_gpio48>; ++ status = "okay"; ++ bus-width = <4>; ++}; ++ ++/* uart0 communicates with the BT module */ ++&uart0 { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32 &gpclk2_gpio43>; ++ status = "okay"; ++ ++ bluetooth { ++ compatible = "brcm,bcm43438-bt"; ++ max-speed = <2000000>; ++ shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>; ++ }; ++}; ++ ++/* uart1 is mapped to the pin header */ ++&uart1 { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&uart1_gpio14>; ++ status = "okay"; ++}; + +From patchwork Tue Dec 4 18:58:19 2018 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +X-Patchwork-Submitter: Stefan Wahren +X-Patchwork-Id: 10712427 +Return-Path: + +Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org + [172.30.200.125]) + by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AAB7E13BF + for ; + Tue, 4 Dec 2018 18:59:55 +0000 (UTC) +Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) + by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9A9D42BD01 + for ; + Tue, 4 Dec 2018 18:59:55 +0000 (UTC) +Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) + id 8D6682BD2D; Tue, 4 Dec 2018 18:59:55 +0000 (UTC) +X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on + pdx-wl-mail.web.codeaurora.org +X-Spam-Level: +X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, + DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 +Received: from bombadil.infradead.org (bombadil.infradead.org + [198.137.202.133]) + (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) + (No client certificate requested) + by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 1D36E2BD01 + for ; 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Tue, 04 Dec 2018 18:59:48 +0000 +Received: from mout.kundenserver.de ([212.227.126.130]) + by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) + id 1gUFud-00073L-OI; Tue, 04 Dec 2018 18:59:17 +0000 +Received: from localhost.localdomain ([37.4.249.153]) by + mrelayeu.kundenserver.de (mreue012 [212.227.15.167]) with ESMTPSA (Nemesis) + id 1MFJfN-1gjyQ33mR7-00FlVP; Tue, 04 Dec 2018 19:58:55 +0100 +From: Stefan Wahren +To: Rob Herring , Mark Rutland , + Florian Fainelli , Ray Jui , + Scott Branden , Eric Anholt , + Arnd Bergmann +Subject: [PATCH V3 3/3] arm64: dts: broadcom: Add reference to RPi 3 A+ +Date: Tue, 4 Dec 2018 19:58:19 +0100 +Message-Id: <1543949899-13380-4-git-send-email-stefan.wahren@i2se.com> +X-Mailer: git-send-email 2.7.4 +In-Reply-To: <1543949899-13380-1-git-send-email-stefan.wahren@i2se.com> +References: <1543949899-13380-1-git-send-email-stefan.wahren@i2se.com> +X-Provags-ID: V03:K1:FFp5Wh7ZWhwN+0GnOIK4svX/EnE/lyWXYX5Q6pGbgpyE8/BWhkC + HIozYn/aF1wiPHTyJBUFfAX8Bprfc2VwnJzzw9ujHYvH3l0PaQMDjk5EKXbX3EWjmbQumbE + uyxkSsnoyLyfEVpoKKGGBgHPfzsATZGmLQj7UEyc5JvQ63IO0mdwywnOuI6LouMSJgs26MV + +JgfGn5pKNrVStX597aIg== +X-UI-Out-Filterresults: notjunk:1;V03:K0:arW5q/kpEak=:fNkvQgi7CQng+s4ZxkqrAl + Shfn4kUf6kIfer4UddefIfpoKpAvezKz/iNNcd8IyBLFrA++7Igw03sj4to2x9/kBAlIbVINV + JnAhVKciAu2qdP8xqMbmGrnJGAbkK10jhSsT6ufbHWHJmtxpizWgzDEtqJqbr2nzW0q8WL2dA + YT1kdC3TCVS9IEJKxyAi26mf/pxvvoheQAygv0WBdtTAsdN6h2JMB7v6CPtGjL8CNOc/OemQK + 3fY/E6rQzoT5vc6F4NGVDje+vTBtMcFX/UhkKkKOnxuzyVpUdWITkeFaumc6q3miLeqpaKzm0 + gnnb7Tg9xKNdmPM/Ng049Qgy9bVJ3dVXaWyq2QleJAAUrhwVvN6zE8ogokYxzYR2pdrHs19gJ + AhPNAX/QaP1VreCRGzo8D6ZEUJEkyK7mLOOyikqWFCT3kUtsKlmPaUGscn6rckZVU2OlfjijC + GeEfaGcIEPyc3THhrPF5vbLos5lydlZkvNYUygQ5aTJXELDvt//cC9k+Kad/kOP8I7qa1TCcS + M5brT1MnDj9qCja12qrxpkjF6Sih/5y2SfQFHLt7YFTX/YkvceXtUq4c9W6rLxHEnZKXm4ryY + 3cuJDYE3oOS4y/WMEhgazm795HJ8heBOv6T1tQPYlQkkKYNH8HKfeVgXBLbgHJLdc9r5AnjyH + fOMjzqx2WqGT7S9I/oYGpTw7NQjHx45WexYKfhHfsjwSN3P4KgwtpAnl2vE++IIWQGiv+JR5L + xIzts9r8uBaSUO1QR5qJG0cWqG+/FFdstWp3TsP2SeC0YMgeXSz1im5Ho/4= +X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 +X-CRM114-CacheID: sfid-20181204_105916_085499_9EF7BF58 +X-CRM114-Status: GOOD ( 16.18 ) +X-BeenThere: linux-arm-kernel@lists.infradead.org +X-Mailman-Version: 2.1.21 +Precedence: list +List-Id: +List-Unsubscribe: + , + +List-Archive: +List-Post: +List-Help: +List-Subscribe: + , + +Cc: Stefan Wahren , devicetree@vger.kernel.org, + bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, + linux-arm-kernel@lists.infradead.org +MIME-Version: 1.0 +Content-Type: text/plain; charset="us-ascii" +Sender: "linux-arm-kernel" +Errors-To: + linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org +X-Virus-Scanned: ClamAV using ClamSMTP + +This adds a reference to the dts of the Raspberry Pi 3 A+, +so we don't need to maintain the content in arm64. + +Signed-off-by: Stefan Wahren +Reviewed-by: Eric Anholt +--- + arch/arm64/boot/dts/broadcom/Makefile | 3 ++- + arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-a-plus.dts | 2 ++ + 2 files changed, 4 insertions(+), 1 deletion(-) + create mode 100644 arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-a-plus.dts + +diff --git a/arch/arm64/boot/dts/broadcom/Makefile b/arch/arm64/boot/dts/broadcom/Makefile +index 667ca98..d1d31cc 100644 +--- a/arch/arm64/boot/dts/broadcom/Makefile ++++ b/arch/arm64/boot/dts/broadcom/Makefile +@@ -1,5 +1,6 @@ + # SPDX-License-Identifier: GPL-2.0 +-dtb-$(CONFIG_ARCH_BCM2835) += bcm2837-rpi-3-b.dtb \ ++dtb-$(CONFIG_ARCH_BCM2835) += bcm2837-rpi-3-a-plus.dtb \ ++ bcm2837-rpi-3-b.dtb \ + bcm2837-rpi-3-b-plus.dtb \ + bcm2837-rpi-cm3-io3.dtb + +diff --git a/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-a-plus.dts b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-a-plus.dts +new file mode 100644 +index 0000000..f0ec56a +--- /dev/null ++++ b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-a-plus.dts +@@ -0,0 +1,2 @@ ++// SPDX-License-Identifier: GPL-2.0 ++#include "arm/bcm2837-rpi-3-a-plus.dts" diff --git a/kernel.spec b/kernel.spec index 13308c6a0..fdc4e687a 100644 --- a/kernel.spec +++ b/kernel.spec @@ -587,6 +587,9 @@ Patch332: raspberrypi-Fix-firmware-calls-with-large-buffers.patch # Improve raspberry pi camera and analog audio Patch333: bcm2835-vc04_services-Improve-driver-load-unload.patch +# Initall support for the 3A+ +Patch334: bcm2837-dts-add-Raspberry-Pi-3-A.patch + # Patches enabling device specific brcm firmware nvram # https://www.spinics.net/lists/linux-wireless/msg178827.html Patch340: brcmfmac-Remove-firmware-loading-code-duplication.patch @@ -1887,6 +1890,9 @@ fi # # %changelog +* Wed Dec 19 2018 Peter Robinson +- Initial support for Raspberry Pi model 3A+ + * Tue Dec 18 2018 Justin M. Forbes - 4.20.0-0.rc7.git1.1 - Linux v4.20-rc7-6-gddfbab46539f - Reenable debugging options. -- cgit