1 files changed, 137 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopc-t4.dts b/arch/arm64/boot/dts/rockchip/rk3399-nanopc-t4.dts
new file mode 100644
index 000000000..3bf8f959e
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopc-t4.dts
@@ -0,0 +1,137 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * FriendlyElec NanoPC-T4 board device tree source
+ *
+ * Copyright (c) 2018 FriendlyElec Computer Tech. Co., Ltd.
+ * (http://www.friendlyarm.com)
+ *
+ * Copyright (c) 2018 Collabora Ltd.
+ */
+
+/dts-v1/;
+#include "rk3399-nanopi4.dtsi"
+
+/ {
+	model = "FriendlyElec NanoPC-T4";
+	compatible = "friendlyarm,nanopc-t4", "rockchip,rk3399";
+
+	vcc12v0_sys: vcc12v0-sys {
+		compatible = "regulator-fixed";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-max-microvolt = <12000000>;
+		regulator-min-microvolt = <12000000>;
+		regulator-name = "vcc12v0_sys";
+	};
+
+	vcc5v0_host0: vcc5v0-host0 {
+		compatible = "regulator-fixed";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-name = "vcc5v0_host0";
+		vin-supply = <&vcc5v0_sys>;
+	};
+
+	adc-keys {
+		compatible = "adc-keys";
+		io-channels = <&saradc 1>;
+		io-channel-names = "buttons";
+		keyup-threshold-microvolt = <1800000>;
+		poll-interval = <100>;
+
+		button-recovery {
+			label = "Recovery";
+			linux,code = <KEY_VENDOR>;
+			press-threshold-microvolt = <18000>;
+		};
+	};
+
+	ir-receiver {
+		compatible = "gpio-ir-receiver";
+		gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&ir_rx>;
+	};
+
+	fan: pwm-fan {
+		compatible = "pwm-fan";
+		/*
+		 * With 20KHz PWM and an EVERCOOL EC4007H12SA fan, these levels
+		 * work out to 0, ~1200, ~3000, and 5000RPM respectively.
+		 */
+		cooling-levels = <0 12 18 255>;
+		#cooling-cells = <2>;
+		fan-supply = <&vcc12v0_sys>;
+		pwms = <&pwm1 0 50000 0>;
+	};
+};
+
+&cpu_thermal {
+	trips {
+		cpu_warm: cpu_warm {
+			temperature = <55000>;
+			hysteresis = <2000>;
+			type = "active";
+		};
+
+		cpu_hot: cpu_hot {
+			temperature = <65000>;
+			hysteresis = <2000>;
+			type = "active";
+		};
+	};
+
+	cooling-maps {
+		map2 {
+			trip = <&cpu_warm>;
+			cooling-device = <&fan THERMAL_NO_LIMIT 1>;
+		};
+
+		map3 {
+			trip = <&cpu_hot>;
+			cooling-device = <&fan 2 THERMAL_NO_LIMIT>;
+		};
+	};
+};
+
+&pcie0 {
+	ep-gpios = <&gpio2 RK_PA4 GPIO_ACTIVE_HIGH>;
+	num-lanes = <4>;
+	vpcie3v3-supply = <&vcc3v3_sys>;
+};
+
+&pinctrl {
+	ir {
+		ir_rx: ir-rx {
+			/* external pullup to VCC3V3_SYS, despite being 1.8V :/ */
+			rockchip,pins = <0 RK_PA6 1 &pcfg_pull_none>;
+		};
+	};
+};
+
+&sdhci {
+	mmc-hs400-1_8v;
+	mmc-hs400-enhanced-strobe;
+};
+
+&u2phy0_host {
+	phy-supply = <&vcc5v0_host0>;
+};
+
+&u2phy1_host {
+	phy-supply = <&vcc5v0_host0>;
+};
+
+&vcc5v0_sys {
+	vin-supply = <&vcc12v0_sys>;
+};
+
+&vcc3v3_sys {
+	vin-supply = <&vcc12v0_sys>;
+};
+
+&vbus_typec {
+	enable-active-high;
+	gpios = <&gpio4 RK_PD2 GPIO_ACTIVE_HIGH>;
+	vin-supply = <&vcc5v0_sys>;
+};