From: Stefan Wahren <stefan.wahren@i2se.com> To: Rob Herring <robh+dt@kernel.org>, Nicolas Saenz Julienne <nsaenz@kernel.org> Cc: Florian Fainelli <f.fainelli@gmail.com>, Ray Jui <rjui@broadcom.com>, Scott Branden <sbranden@broadcom.com>, bcm-kernel-feedback-list@broadcom.com, Arnd Bergmann <arnd@arndb.de>, Olof Johansson <olof@lixom.net>, soc@kernel.org, Wim Van Sebroeck <wim@linux-watchdog.org>, Guenter Roeck <linux@roeck-us.net>, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-watchdog@vger.kernel.org, Stefan Wahren <stefan.wahren@i2se.com> Subject: [PATCH V2 6/7] ARM: dts: Add Raspberry Pi 400 support Date: Sun, 6 Jun 2021 14:16:16 +0200 [thread overview] Message-ID: <1622981777-5023-7-git-send-email-stefan.wahren@i2se.com> (raw) In-Reply-To: <1622981777-5023-1-git-send-email-stefan.wahren@i2se.com> The Raspberry Pi 400 is like a Pi 4 B designed into a keyboard. But there are some minor differences: - higher CPU clock rate (1.8 GHz) - different Wifi chip (BCM43456) - power off is now handled via GPIO - no ACT LED Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/bcm2711-rpi-400.dts | 45 +++++++++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+) create mode 100644 arch/arm/boot/dts/bcm2711-rpi-400.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index f8f09c5..ec00dba 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -88,6 +88,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \ bcm2837-rpi-3-b.dtb \ bcm2837-rpi-3-b-plus.dtb \ bcm2837-rpi-cm3-io3.dtb \ + bcm2711-rpi-400.dtb \ bcm2711-rpi-4-b.dtb \ bcm2835-rpi-zero.dtb \ bcm2835-rpi-zero-w.dtb diff --git a/arch/arm/boot/dts/bcm2711-rpi-400.dts b/arch/arm/boot/dts/bcm2711-rpi-400.dts new file mode 100644 index 0000000..f4d2fc2 --- /dev/null +++ b/arch/arm/boot/dts/bcm2711-rpi-400.dts @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0 +/dts-v1/; +#include "bcm2711-rpi-4-b.dts" + +/ { + compatible = "raspberrypi,400", "brcm,bcm2711"; + model = "Raspberry Pi 400"; + + chosen { + /* 8250 auxiliary UART instead of pl011 */ + stdout-path = "serial1:115200n8"; + }; + + leds { + /delete-node/ led-act; + + led-pwr { + gpios = <&gpio 42 GPIO_ACTIVE_HIGH>; + }; + }; + + gpio-poweroff { + compatible = "gpio-poweroff"; + gpios = <&expgpio 5 GPIO_ACTIVE_HIGH>; + }; +}; + +&expgpio { + gpio-line-names = "BT_ON", + "WL_ON", + "", + "GLOBAL_RESET", + "VDD_SD_IO_SEL", + "CAM_GPIO", + "SD_PWR_ON", + "SD_OC_N"; +}; + +&genet_mdio { + clock-frequency = <1950000>; +}; + +&pm { + /delete-property/ system-power-controller; +}; -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Stefan Wahren <stefan.wahren@i2se.com> To: Rob Herring <robh+dt@kernel.org>, Nicolas Saenz Julienne <nsaenz@kernel.org> Cc: Florian Fainelli <f.fainelli@gmail.com>, Ray Jui <rjui@broadcom.com>, Scott Branden <sbranden@broadcom.com>, bcm-kernel-feedback-list@broadcom.com, Arnd Bergmann <arnd@arndb.de>, Olof Johansson <olof@lixom.net>, soc@kernel.org, Wim Van Sebroeck <wim@linux-watchdog.org>, Guenter Roeck <linux@roeck-us.net>, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-watchdog@vger.kernel.org, Stefan Wahren <stefan.wahren@i2se.com> Subject: [PATCH V2 6/7] ARM: dts: Add Raspberry Pi 400 support Date: Sun, 6 Jun 2021 14:16:16 +0200 [thread overview] Message-ID: <1622981777-5023-7-git-send-email-stefan.wahren@i2se.com> (raw) Message-ID: <20210606121616.qYnk0Vmwmo6qoT_yN2_I3phMkSlKt9QBwmphRj0tIDs@z> (raw) In-Reply-To: <1622981777-5023-1-git-send-email-stefan.wahren@i2se.com> The Raspberry Pi 400 is like a Pi 4 B designed into a keyboard. But there are some minor differences: - higher CPU clock rate (1.8 GHz) - different Wifi chip (BCM43456) - power off is now handled via GPIO - no ACT LED Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/bcm2711-rpi-400.dts | 45 +++++++++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+) create mode 100644 arch/arm/boot/dts/bcm2711-rpi-400.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index f8f09c5..ec00dba 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -88,6 +88,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \ bcm2837-rpi-3-b.dtb \ bcm2837-rpi-3-b-plus.dtb \ bcm2837-rpi-cm3-io3.dtb \ + bcm2711-rpi-400.dtb \ bcm2711-rpi-4-b.dtb \ bcm2835-rpi-zero.dtb \ bcm2835-rpi-zero-w.dtb diff --git a/arch/arm/boot/dts/bcm2711-rpi-400.dts b/arch/arm/boot/dts/bcm2711-rpi-400.dts new file mode 100644 index 0000000..f4d2fc2 --- /dev/null +++ b/arch/arm/boot/dts/bcm2711-rpi-400.dts @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0 +/dts-v1/; +#include "bcm2711-rpi-4-b.dts" + +/ { + compatible = "raspberrypi,400", "brcm,bcm2711"; + model = "Raspberry Pi 400"; + + chosen { + /* 8250 auxiliary UART instead of pl011 */ + stdout-path = "serial1:115200n8"; + }; + + leds { + /delete-node/ led-act; + + led-pwr { + gpios = <&gpio 42 GPIO_ACTIVE_HIGH>; + }; + }; + + gpio-poweroff { + compatible = "gpio-poweroff"; + gpios = <&expgpio 5 GPIO_ACTIVE_HIGH>; + }; +}; + +&expgpio { + gpio-line-names = "BT_ON", + "WL_ON", + "", + "GLOBAL_RESET", + "VDD_SD_IO_SEL", + "CAM_GPIO", + "SD_PWR_ON", + "SD_OC_N"; +}; + +&genet_mdio { + clock-frequency = <1950000>; +}; + +&pm { + /delete-property/ system-power-controller; +}; -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-06-06 12:17 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-06 12:16 [PATCH V2 0/7] ARM: dts: Add Raspberry Pi 400 support Stefan Wahren 2021-06-06 12:16 ` Stefan Wahren 2021-06-06 12:16 ` [PATCH V2 1/7] ARM: dts: bcm283x: Fix up MMC node names Stefan Wahren 2021-06-06 12:16 ` Stefan Wahren 2021-06-08 10:07 ` nicolas saenz julienne 2021-06-08 10:07 ` nicolas saenz julienne 2021-06-06 12:16 ` [PATCH V2 2/7] watchdog: bcm2835_wdt: consider system-power-controller property Stefan Wahren 2021-06-06 12:16 ` Stefan Wahren 2021-06-15 21:17 ` Stefan Wahren 2021-06-15 21:17 ` Stefan Wahren 2021-06-22 7:12 ` Stefan Wahren 2021-06-22 7:12 ` Stefan Wahren 2021-06-28 16:31 ` Guenter Roeck 2021-06-28 16:31 ` Guenter Roeck 2021-06-06 12:16 ` [PATCH V2 3/7] ARM: dts: Move BCM2711 RPi specific into separate dtsi Stefan Wahren 2021-06-06 12:16 ` Stefan Wahren 2021-06-08 10:08 ` nicolas saenz julienne 2021-06-08 10:08 ` nicolas saenz julienne 2021-06-06 12:16 ` [PATCH V2 4/7] dt-bindings: arm: bcm2835: Add Raspberry Pi 400 to DT schema Stefan Wahren 2021-06-06 12:16 ` Stefan Wahren 2021-06-08 21:43 ` nicolas saenz julienne 2021-06-08 21:43 ` nicolas saenz julienne 2021-06-06 12:16 ` [PATCH V2 5/7] ARM: dts: bcm283x: Fix up GPIO LED node names Stefan Wahren 2021-06-06 12:16 ` Stefan Wahren 2021-06-08 10:08 ` nicolas saenz julienne 2021-06-08 10:08 ` nicolas saenz julienne 2021-06-06 12:16 ` Stefan Wahren [this message] 2021-06-06 12:16 ` [PATCH V2 6/7] ARM: dts: Add Raspberry Pi 400 support Stefan Wahren 2021-06-08 10:08 ` nicolas saenz julienne 2021-06-08 10:08 ` nicolas saenz julienne 2021-06-06 12:16 ` [PATCH V2 7/7] arm64: dts: broadcom: Add reference to RPi 400 Stefan Wahren 2021-06-06 12:16 ` Stefan Wahren 2021-06-08 10:09 ` nicolas saenz julienne 2021-06-08 10:09 ` nicolas saenz julienne
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