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arm64: dts: rockchip: Add Khadas edge2 board

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Edge2 is an ultraslim, credit-card sized ARM PC designed by Khadas.

In this patch, we will add basic device tree support for this board,
Only eMMC, UART are enabled, so it's capable of booting into
a basic linux system from eMMC via serial console.

Signed-off-by: Yixun Lan <dlan@gentoo.org>
Link: https://lore.kernel.org/r/20230315033441.32719-3-dlan@gentoo.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Yixun Lan 2023-03-15 11:34:41 +08:00 committed by Heiko Stuebner
parent 5a6d767612
commit 04d5529935
2 changed files with 38 additions and 0 deletions
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1
arch/arm64/boot/dts/rockchip/Makefile
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@ -90,4 +90,5 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-rock-3a.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-edgeble-neu6a-io.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-evb1-v10.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-rock-5b.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-khadas-edge2.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-rock-5a.dtb

37
arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts Normal file
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@ -0,0 +1,37 @@
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/rockchip.h>
#include "rk3588s.dtsi"
/ {
model = "Khadas Edge2";
compatible = "khadas,edge2", "rockchip,rk3588s";
aliases {
mmc0 = &sdhci;
serial2 = &uart2;
};
chosen {
stdout-path = "serial2:1500000n8";
};
};
&sdhci {
bus-width = <8>;
no-sdio;
no-sd;
non-removable;
max-frequency = <200000000>;
mmc-hs400-1_8v;
mmc-hs400-enhanced-strobe;
status = "okay";
};
&uart2 {
pinctrl-0 = <&uart2m0_xfer>;
status = "okay";
};