[PATCH 4/9] arm64: dts: rockchip: Add Rockchip TB-RK1808M0

[Andreas Färber]

Add an initial Device Tree for Rockchip Toybrick TB-RK1808M0 mPCIe card.
Based on shipping TB-RK1808M0 DTB.

Signed-off-by: Andreas Färber <afaerber@xxxxxxx>
---
 arch/arm64/boot/dts/rockchip/Makefile         |  1 +
 .../boot/dts/rockchip/rk1808k-toybrick-m0.dts | 55 +++++++++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100644 arch/arm64/boot/dts/rockchip/rk1808k-toybrick-m0.dts

diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index c3e00c0e2db7..d5a3837ccb7c 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -3,6 +3,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-evb.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-engicam-px30-core-ctouch2.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-engicam-px30-core-ctouch2-of10.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-engicam-px30-core-edimm2.2.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk1808k-toybrick-m0.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3308-evb.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3308-roc-cc.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3318-a95x-z2.dtb
diff --git a/arch/arm64/boot/dts/rockchip/rk1808k-toybrick-m0.dts b/arch/arm64/boot/dts/rockchip/rk1808k-toybrick-m0.dts
new file mode 100644
index 000000000000..2f8075d2391c
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk1808k-toybrick-m0.dts
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright (c) 2021 Andreas Färber
+ */
+
+/dts-v1/;
+
+#include "rk1808.dtsi"
+
+/ {
+	compatible = "rockchip,tb-rk1808m0", "rockchip,rk1808";
+	model = "Rockchip Toybrick TB-RK1808M0";
+
+	chosen {
+		stdout-path = "serial2:1500000n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x40000000>;
+	};
+
+	vcc3v3_pcie: vcc3v3-pcie {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc3v3_pcie";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	vdd_cpu: vdd-cpu {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd_cpu";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <850000>;
+		regulator-max-microvolt = <850000>;
+		vin-supply = <&vcc3v3_pcie>;
+	};
+};
+
+&cpu0 {
+	cpu-supply = <&vdd_cpu>;
+};
+
+&cpu1 {
+	cpu-supply = <&vdd_cpu>;
+};
+
+&uart2 {
+	status = "okay";
+	clocks = <&xin24m>;
+	clock-names = "baudclk";
+};
-- 
2.31.1