From 1debdf05d152262113e10ef380a6dadf54782f21 Mon Sep 17 00:00:00 2001 From: "Justin M. Forbes" Date: Wed, 6 Jun 2018 14:01:43 -0500 Subject: Linux v4.17 --- bcm2837-rpi-initial-3plus-support.patch | 560 ++++++++++++++++++++++++++++++++ 1 file changed, 560 insertions(+) create mode 100644 bcm2837-rpi-initial-3plus-support.patch (limited to 'bcm2837-rpi-initial-3plus-support.patch') diff --git a/bcm2837-rpi-initial-3plus-support.patch b/bcm2837-rpi-initial-3plus-support.patch new file mode 100644 index 000000000..e69303ada --- /dev/null +++ b/bcm2837-rpi-initial-3plus-support.patch @@ -0,0 +1,560 @@ +From patchwork Sat Apr 21 11:28:34 2018 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +Subject: [V2,1/9] ARM: dts: bcm283x: Fix PWM pin assignment +From: Stefan Wahren +X-Patchwork-Id: 10354085 +Message-Id: <1524310122-9439-2-git-send-email-stefan.wahren@i2se.com> +To: Rob Herring , Mark Rutland , + Eric Anholt , Catalin Marinas , + Will Deacon +Cc: Stefan Wahren , devicetree@vger.kernel.org, + Florian Fainelli , Arnd Bergmann , + Scott Branden , Ray Jui , + Phil Elwell , Alexander Graf , + bcm-kernel-feedback-list@broadcom.com, + linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org +Date: Sat, 21 Apr 2018 13:28:34 +0200 + +All RPi 1 and 2 boards used the PWM (audio out) on pin 40 and 45. +So it was easy to define them in bcm2835-rpi.dtsi. Starting with RPi 3 +this wont work anymore, because it uses pin 40 and 41. Furthermore the +Zero variants doesn't have audio out. + +This patch fixes this pin conflict by moving the PWM node to the board-level. + +Change summary: +RPi 3 B: PWM1 45 -> 41 +Zero, Zero W: PWM disabled +all other: no functional change + +Reported-by: Baruch Siach +Signed-off-by: Stefan Wahren +Reviewed-by: Eric Anholt +--- + arch/arm/boot/dts/bcm2835-rpi-a-plus.dts | 6 ++++++ + arch/arm/boot/dts/bcm2835-rpi-a.dts | 6 ++++++ + arch/arm/boot/dts/bcm2835-rpi-b-plus.dts | 6 ++++++ + arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts | 6 ++++++ + arch/arm/boot/dts/bcm2835-rpi-b.dts | 6 ++++++ + arch/arm/boot/dts/bcm2835-rpi.dtsi | 6 ------ + arch/arm/boot/dts/bcm2836-rpi-2-b.dts | 6 ++++++ + arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 6 ++++++ + 8 files changed, 42 insertions(+), 6 deletions(-) + +diff --git a/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts b/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts +index aa1fc7b..2cd9c5e 100644 +--- a/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts ++++ b/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts +@@ -101,6 +101,12 @@ + hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>; + }; + ++&pwm { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>; ++ status = "okay"; ++}; ++ + &uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_gpio14>; +diff --git a/arch/arm/boot/dts/bcm2835-rpi-a.dts b/arch/arm/boot/dts/bcm2835-rpi-a.dts +index 425f6b0..067d1f0 100644 +--- a/arch/arm/boot/dts/bcm2835-rpi-a.dts ++++ b/arch/arm/boot/dts/bcm2835-rpi-a.dts +@@ -96,6 +96,12 @@ + hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>; + }; + ++&pwm { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>; ++ status = "okay"; ++}; ++ + &uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_gpio14>; +diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts +index effa195..cfbdaac 100644 +--- a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts ++++ b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts +@@ -103,6 +103,12 @@ + hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>; + }; + ++&pwm { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>; ++ status = "okay"; ++}; ++ + &uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_gpio14>; +diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts b/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts +index 772ec3b..5641d16 100644 +--- a/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts ++++ b/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts +@@ -96,6 +96,12 @@ + hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>; + }; + ++&pwm { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>; ++ status = "okay"; ++}; ++ + &uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_gpio14>; +diff --git a/arch/arm/boot/dts/bcm2835-rpi-b.dts b/arch/arm/boot/dts/bcm2835-rpi-b.dts +index 434483d..31ff602 100644 +--- a/arch/arm/boot/dts/bcm2835-rpi-b.dts ++++ b/arch/arm/boot/dts/bcm2835-rpi-b.dts +@@ -91,6 +91,12 @@ + hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>; + }; + ++&pwm { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>; ++ status = "okay"; ++}; ++ + &uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_gpio14>; +diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi +index 6c3cfaa..cb2d6d7 100644 +--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi ++++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi +@@ -83,12 +83,6 @@ + bus-width = <4>; + }; + +-&pwm { +- pinctrl-names = "default"; +- pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>; +- status = "okay"; +-}; +- + &usb { + power-domains = <&power RPI_POWER_DOMAIN_USB>; + }; +diff --git a/arch/arm/boot/dts/bcm2836-rpi-2-b.dts b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts +index 5c339ad..2fef70a 100644 +--- a/arch/arm/boot/dts/bcm2836-rpi-2-b.dts ++++ b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts +@@ -41,6 +41,12 @@ + hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>; + }; + ++&pwm { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>; ++ status = "okay"; ++}; ++ + &uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_gpio14>; +diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts +index 0b31d99..cc39b6f 100644 +--- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts ++++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts +@@ -42,6 +42,12 @@ + }; + }; + ++&pwm { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>; ++ status = "okay"; ++}; ++ + /* uart0 communicates with the BT module */ + &uart0 { + pinctrl-names = "default"; +From patchwork Sat Apr 21 11:28:35 2018 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +Subject: [V2,2/9] ARM: dts: bcm2837: Add missing GPIOs of Expander +From: Stefan Wahren +X-Patchwork-Id: 10354079 +Message-Id: <1524310122-9439-3-git-send-email-stefan.wahren@i2se.com> +To: Rob Herring , Mark Rutland , + Eric Anholt , Catalin Marinas , + Will Deacon +Cc: Stefan Wahren , devicetree@vger.kernel.org, + Florian Fainelli , Arnd Bergmann , + Scott Branden , Ray Jui , + Phil Elwell , Alexander Graf , + bcm-kernel-feedback-list@broadcom.com, + linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org +Date: Sat, 21 Apr 2018 13:28:35 +0200 + +After commit a98d90e7d588 ("gpio: raspberrypi-exp: Driver for RPi3 GPIO +expander via mailbox service") we are able to control the rest of the +GPIOs of the RPi 3. So add all the missing parts (ACT LED, +Wifi & BT control, HDMI detect) to the DT. + +Signed-off-by: Stefan Wahren +Reviewed-by: Eric Anholt +--- + arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 20 +++++++++++++++++++- + 1 file changed, 19 insertions(+), 1 deletion(-) + +diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts +index cc39b6f..c318bcb 100644 +--- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts ++++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts +@@ -20,9 +20,14 @@ + + leds { + act { +- gpios = <&gpio 47 GPIO_ACTIVE_HIGH>; ++ gpios = <&expgpio 2 GPIO_ACTIVE_HIGH>; + }; + }; ++ ++ wifi_pwrseq: wifi-pwrseq { ++ compatible = "mmc-pwrseq-simple"; ++ reset-gpios = <&expgpio 1 GPIO_ACTIVE_HIGH>; ++ }; + }; + + &firmware { +@@ -48,6 +53,10 @@ + status = "okay"; + }; + ++&hdmi { ++ hpd-gpios = <&expgpio 4 GPIO_ACTIVE_LOW>; ++}; ++ + /* uart0 communicates with the BT module */ + &uart0 { + pinctrl-names = "default"; +@@ -57,6 +66,7 @@ + bluetooth { + compatible = "brcm,bcm43438-bt"; + max-speed = <2000000>; ++ shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>; + }; + }; + +@@ -69,11 +79,19 @@ + + /* 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 */ +From patchwork Sat Apr 21 11:28:36 2018 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +Subject: [V2,3/9] dt-bindings: bcm: Add Raspberry Pi 3 B+ +From: Stefan Wahren +X-Patchwork-Id: 10354081 +Message-Id: <1524310122-9439-4-git-send-email-stefan.wahren@i2se.com> +To: Rob Herring , Mark Rutland , + Eric Anholt , Catalin Marinas , + Will Deacon +Cc: Stefan Wahren , devicetree@vger.kernel.org, + Florian Fainelli , Arnd Bergmann , + Scott Branden , Ray Jui , + Phil Elwell , Alexander Graf , + bcm-kernel-feedback-list@broadcom.com, + linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org +Date: Sat, 21 Apr 2018 13:28:36 +0200 + +This adds the root properties for the Raspberry Pi 3 B+ + +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 3e3efa0..1e3e29a 100644 +--- a/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt ++++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt +@@ -34,6 +34,10 @@ Raspberry Pi 3 Model B + Required root node properties: + compatible = "raspberrypi,3-model-b", "brcm,bcm2837"; + ++Raspberry Pi 3 Model B+ ++Required root node properties: ++compatible = "raspberrypi,3-model-b-plus", "brcm,bcm2837"; ++ + Raspberry Pi Compute Module + Required root node properties: + compatible = "raspberrypi,compute-module", "brcm,bcm2835"; +From patchwork Sat Apr 21 11:28:37 2018 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +Subject: [V2,4/9] ARM: dts: bcm2837: Add Raspberry Pi 3 B+ +From: Stefan Wahren +X-Patchwork-Id: 10354075 +Message-Id: <1524310122-9439-5-git-send-email-stefan.wahren@i2se.com> +To: Rob Herring , Mark Rutland , + Eric Anholt , Catalin Marinas , + Will Deacon +Cc: Stefan Wahren , devicetree@vger.kernel.org, + Florian Fainelli , Arnd Bergmann , + Scott Branden , Ray Jui , + Phil Elwell , Alexander Graf , + bcm-kernel-feedback-list@broadcom.com, + linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org +Date: Sat, 21 Apr 2018 13:28:37 +0200 + +The Raspberry Pi 3 B+ has the following major differences compared +to the model 3 B: +* Microchip LAN7515 (Gigabit Ethernet with integrated USB 2.0 HUB) +* Cypress CYW43455 (802.11n/ac and BT 4.2) + +We need to add the USB LAN chip so the bootloader can add the MAC address. +This is necessary because there ain't an EEPROM or a valid OTP. + +Signed-off-by: Phil Elwell +Signed-off-by: Stefan Wahren +Reviewed-by: Eric Anholt +--- + arch/arm/boot/dts/Makefile | 1 + + arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts | 108 +++++++++++++++++++++++++++++ + arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi | 27 ++++++++ + 3 files changed, 136 insertions(+) + create mode 100644 arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts + create mode 100644 arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi + +diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile +index 7e24249..a300a35 100644 +--- a/arch/arm/boot/dts/Makefile ++++ b/arch/arm/boot/dts/Makefile +@@ -75,6 +75,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \ + bcm2835-rpi-a-plus.dtb \ + bcm2836-rpi-2-b.dtb \ + bcm2837-rpi-3-b.dtb \ ++ bcm2837-rpi-3-b-plus.dtb \ + bcm2835-rpi-zero.dtb \ + bcm2835-rpi-zero-w.dtb + dtb-$(CONFIG_ARCH_BCM_5301X) += \ +diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts +new file mode 100644 +index 0000000..4adb85e +--- /dev/null ++++ b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts +@@ -0,0 +1,108 @@ ++// SPDX-License-Identifier: GPL-2.0 ++/dts-v1/; ++#include "bcm2837.dtsi" ++#include "bcm2835-rpi.dtsi" ++#include "bcm283x-rpi-lan7515.dtsi" ++#include "bcm283x-rpi-usb-host.dtsi" ++ ++/ { ++ compatible = "raspberrypi,3-model-b-plus", "brcm,bcm2837"; ++ model = "Raspberry Pi 3 Model B+"; ++ ++ chosen { ++ /* 8250 auxiliary UART instead of pl011 */ ++ stdout-path = "serial1:115200n8"; ++ }; ++ ++ memory { ++ reg = <0 0x40000000>; ++ }; ++ ++ 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_HIGH>; ++ }; ++}; ++ ++&firmware { ++ expgpio: gpio { ++ compatible = "raspberrypi,firmware-gpio"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ gpio-line-names = "BT_ON", ++ "WL_ON", ++ "STATUS_LED", ++ "LAN_RUN", ++ "", ++ "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"; ++}; +diff --git a/arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi b/arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi +new file mode 100644 +index 0000000..9403da0 +--- /dev/null ++++ b/arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi +@@ -0,0 +1,27 @@ ++// SPDX-License-Identifier: GPL-2.0 ++/ { ++ aliases { ++ ethernet0 = ðernet; ++ }; ++}; ++ ++&usb { ++ usb-port@1 { ++ compatible = "usb424,2514"; ++ reg = <1>; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ usb-port@1 { ++ compatible = "usb424,2514"; ++ reg = <1>; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ ethernet: ethernet@1 { ++ compatible = "usb424,7800"; ++ reg = <1>; ++ }; ++ }; ++ }; ++}; +From patchwork Sat Apr 21 11:28:42 2018 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +Subject: [V2,9/9] arm64: dts: broadcom: Add reference to Raspberry Pi 3 B+ +From: Stefan Wahren +X-Patchwork-Id: 10354077 +Message-Id: <1524310122-9439-10-git-send-email-stefan.wahren@i2se.com> +To: Rob Herring , Mark Rutland , + Eric Anholt , Catalin Marinas , + Will Deacon +Cc: Stefan Wahren , devicetree@vger.kernel.org, + Florian Fainelli , Arnd Bergmann , + Scott Branden , Ray Jui , + Phil Elwell , Alexander Graf , + bcm-kernel-feedback-list@broadcom.com, + linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org +Date: Sat, 21 Apr 2018 13:28:42 +0200 + +This adds a reference to the dts of the Raspberry Pi 3 B+ +in arm, so 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-b-plus.dts | 2 ++ + 2 files changed, 4 insertions(+), 1 deletion(-) + create mode 100644 arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b-plus.dts + +diff --git a/arch/arm64/boot/dts/broadcom/Makefile b/arch/arm64/boot/dts/broadcom/Makefile +index 2a2591e..1193a9e 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-b.dtb \ ++ bcm2837-rpi-3-b-plus.dtb + + subdir-y += northstar2 + subdir-y += stingray +diff --git a/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b-plus.dts b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b-plus.dts +new file mode 100644 +index 0000000..46ad202 +--- /dev/null ++++ b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b-plus.dts +@@ -0,0 +1,2 @@ ++// SPDX-License-Identifier: GPL-2.0 ++#include "arm/bcm2837-rpi-3-b-plus.dts" -- cgit