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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 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"; +};