arm64: dts: rockchip: add robot dtsi for px30 & rk3326

With minimal interfaces, the robot dts can with or without
gpu enabled, running in bad thermal environment.

Change-Id: Ia7f65941d932e88c33ef33f0d7877efa6a444852
Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com>

arch/arm64/boot/dts/rockchip/px30-robot-no-gpu.dtsi

@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd
+ */
+#include "px30-robot.dtsi"
+
+/ {
+	compatible = "rockchip,linux", "rockchip,px30-robot-no-gpu";
+
+	/* Remove gpu thermal and gpu cooling map */
+	/delete-node/ thermal-zones;
+
+	thermal_zones: thermal-zones {
+		soc_thermal: soc-thermal {
+			polling-delay-passive = <20>;
+			polling-delay = <1000>;
+			sustainable-power = <252>;
+
+			thermal-sensors = <&tsadc 0>;
+			trips {
+				threshold: trip-point-0 {
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+				target: trip-point-1 {
+					temperature = <90000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+				soc_crit: soc-crit {
+					temperature = <115000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&target>;
+					cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+
+		gpu_thermal: gpu-thermal {
+			polling-delay-passive = <100>; /* milliseconds */
+			polling-delay = <1000>; /* milliseconds */
+
+			thermal-sensors = <&tsadc 1>;
+		};
+	};
+};
+
+&gpu {
+	status = "disabled";
+};

arch/arm64/boot/dts/rockchip/px30-robot.dtsi

@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd
+ */
+
+#include "px30.dtsi"
+
+/ {
+	compatible = "rockchip,linux", "rockchip,px30-robot";
+
+	chosen {
+		bootargs = "swiotlb=1 console=ttyFIQ0 root=PARTUUID=614e0000-0000 rootwait";
+	};
+
+	fiq-debugger {
+		compatible = "rockchip,fiq-debugger";
+		rockchip,serial-id = <2>;
+		rockchip,wake-irq = <0>;
+		/* If enable uart uses irq instead of fiq */
+		rockchip,irq-mode-enable = <0>;
+		rockchip,baudrate = <1500000>;  /* Only 115200 and 1500000 */
+		interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&uart2m0_xfer>;
+		status = "okay";
+	};
+
+	ramoops {
+		compatible = "ramoops";
+		record-size = <0x0 0x20000>;
+		console-size = <0x0 0x80000>;
+		ftrace-size = <0x0 0x00000>;
+		pmsg-size = <0x0 0x00000>;
+		memory-region = <&ramoops_mem>;
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		ramoops_mem: ramoops@00000000 {
+			reg = <0x0 0x8000000 0x0 0xa0000>;
+		};
+	};
+};
+
+&cpu0_opp_table {
+	/delete-node/ opp-1248000000;
+	/delete-node/ opp-1296000000;
+	/delete-node/ opp-1416000000;
+	/delete-node/ opp-1512000000;
+};
+
+&dmc_opp_table {
+	/delete-node/ opp-666000000;
+	/delete-node/ opp-768000000;
+};
+
+&soc_thermal {
+	trips {
+		threshold: trip-point-0 {
+			temperature = <75000>;
+			hysteresis = <2000>;
+			type = "passive";
+		};
+		target: trip-point-1 {
+			temperature = <90000>;
+			hysteresis = <2000>;
+			type = "passive";
+		};
+		soc_crit: soc-crit {
+			temperature = <115000>;
+			hysteresis = <2000>;
+			type = "critical";
+		};
+	};
+};
+
+&tsadc {
+	pinctrl-names = "gpio", "otpout";
+	pinctrl-0 = <&tsadc_otp_gpio>;
+	pinctrl-1 = <&tsadc_otp_out>;
+	status = "okay";
+};
+
+&uart2 {
+	status = "disabled";
+};