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riscv: dts: spacemit: add K3 Pico-ITX board support

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K3 Pico-ITX is a 2.5-inch single-board computer equipted with a SpacemiT
K3 SoC.

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

Signed-off-by: Guodong Xu <guodong@riscstar.com>
Link: https://lore.kernel.org/r/20260115-k3-basic-dt-v5-7-6990ac9f4308@riscstar.com
Signed-off-by: Yixun Lan <dlan@kernel.org>
This commit is contained in:
Guodong Xu 2026-01-15 14:51:46 +08:00 committed by Yixun Lan
parent 56f37e391a
commit 7a61318049
2 changed files with 30 additions and 0 deletions
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1
arch/riscv/boot/dts/spacemit/Makefile
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@ -4,3 +4,4 @@ dtb-$(CONFIG_ARCH_SPACEMIT) += k1-milkv-jupiter.dtb
dtb-$(CONFIG_ARCH_SPACEMIT) += k1-musepi-pro.dtb
dtb-$(CONFIG_ARCH_SPACEMIT) += k1-orangepi-r2s.dtb
dtb-$(CONFIG_ARCH_SPACEMIT) += k1-orangepi-rv2.dtb
dtb-$(CONFIG_ARCH_SPACEMIT) += k3-pico-itx.dtb

29
arch/riscv/boot/dts/spacemit/k3-pico-itx.dts Normal file
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@ -0,0 +1,29 @@
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
* Copyright (c) 2026 SpacemiT (Hangzhou) Technology Co. Ltd
* Copyright (c) 2026 Guodong Xu <guodong@riscstar.com>
*/
#include "k3.dtsi"
/ {
model = "SpacemiT K3 Pico-ITX";
compatible = "spacemit,k3-pico-itx", "spacemit,k3";
aliases {
serial0 = &uart0;
};
chosen {
stdout-path = "serial0";
};
memory@100000000 {
device_type = "memory";
reg = <0x1 0x00000000 0x4 0x00000000>;
};
};
&uart0 {
status = "okay";
};