arm64: dts: rockchip: Add Khadas Edge 2L board

The Khadas Edge 2L is a single board computer based on the Rockchip
RK3576 SoC.

Add basic device tree support for this board. Currently, only eMMC
and UART are enabled, allowing the board to boot into a basic Linux
system via the serial console.

Signed-off-by: Gray Huang <gray.huang@wesion.com>
Link: https://patch.msgid.link/20260317090731.600787-3-gray.huang@wesion.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 11a1bad352094d2d00e72307c988df5aa8738338..cb55c6b70d0e569abd9efc4e88ff908b6a682cf1 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -170,6 +170,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-armsom-sige5-v1.2-wifibt.dtbo
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-evb1-v10.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-evb1-v10-pcie1.dtbo
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-evb2-v10.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-khadas-edge-2l.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-luckfox-omni3576.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-nanopi-m5.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-nanopi-r76s.dtb

diff --git a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts
new file mode 100644 (file)
index 0000000..6863037
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+#include "rk3576.dtsi"
+
+/ {
+       model = "Khadas Edge-2L";
+       compatible = "khadas,edge-2l", "rockchip,rk3576";
+
+       aliases {
+               mmc0 = &sdhci;
+       };
+
+       chosen {
+               stdout-path = "serial0:1500000n8";
+       };
+};
+
+&sdhci {
+       bus-width = <8>;
+       no-sdio;
+       no-sd;
+       non-removable;
+       mmc-hs400-1_8v;
+       mmc-hs400-enhanced-strobe;
+       status = "okay";
+};
+
+&uart0 {
+       status = "okay";
+};