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riscv: dts: spacemit: Add OrangePi RV2 board device tree

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Add initial device tree support for the OrangePi RV2 board [1]. The board
is described as using the Ky X1 SoC, which, based on available downstream
sources and testing, appears to be identical or very closely related to
the SpacemiT K1 SoC [2].

The device tree is adapted from the OrangePi vendor tree [3], and similar
integration can be found in the Banana Pi kernel tree [4], confirming SoC
compatibility. The main difference with the current Banana Pi BPI-F3 tree
is that status led is using GPIO_ACTIVE_LOW.

This minimal device tree enables booting into a serial console with UART
output and a blinking LED.

Link: http://www.orangepi.org/html/hardWare/computerAndMicrocontrollers/details/Orange-Pi-RV2.html [1]
Link: https://www.spacemit.com/en/key-stone-k1 [2]
Link: https://github.com/BPI-SINOVOIP/pi-linux/blob/linux-6.6.63-k1/arch/riscv/boot/dts/spacemit/k1-x_orangepi-rv2.dts [3]
Link: https://github.com/orangepi-xunlong/linux-orangepi/tree/orange-pi-6.6-ky [4]
Signed-off-by: Hendrik Hamerlinck <hendrik.hamerlinck@hammernet.be>
Reviewed-by: Yixun Lan <dlan@gentoo.org>
Link: https://lore.kernel.org/r/20250813092240.180333-3-hendrik.hamerlinck@hammernet.be
Signed-off-by: Yixun Lan <dlan@gentoo.org>
This commit is contained in:
Hendrik Hamerlinck 2025-08-13 11:22:40 +02:00 committed by Yixun Lan
parent f10512e2c4
commit bab8dea259
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2 changed files with 41 additions and 0 deletions
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1
arch/riscv/boot/dts/spacemit/Makefile
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@ -1,3 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
dtb-$(CONFIG_ARCH_SPACEMIT) += k1-bananapi-f3.dtb
dtb-$(CONFIG_ARCH_SPACEMIT) += k1-milkv-jupiter.dtb
dtb-$(CONFIG_ARCH_SPACEMIT) += k1-orangepi-rv2.dtb

40
arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts Normal file
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@ -0,0 +1,40 @@
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
* Copyright (C) 2024 Yangyu Chen <cyy@cyyself.name>
* Copyright (C) 2025 Hendrik Hamerlinck <hendrik.hamerlinck@hammernet.be>
*/
/dts-v1/;
#include "k1.dtsi"
#include "k1-pinctrl.dtsi"
/ {
model = "OrangePi RV2";
compatible = "xunlong,orangepi-rv2", "spacemit,k1";
aliases {
serial0 = &uart0;
};
chosen {
stdout-path = "serial0";
};
leds {
compatible = "gpio-leds";
led1 {
label = "sys-led";
gpios = <&gpio K1_GPIO(96) GPIO_ACTIVE_LOW>;
linux,default-trigger = "heartbeat";
default-state = "on";
};
};
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_2_cfg>;
status = "okay";
};