@@ -846,6 +846,8 @@ dtb-$(CONFIG_ARCH_ACTIONS) += \
 	owl-s500-cubieboard6.dtb \
 	owl-s500-guitar-bb-rev-b.dtb \
 	owl-s500-sparky.dtb
+dtb-$(CONFIG_ARCH_SUNPLUS) += \
+	pentagram-sp7021-bpi-f2s.dtb
 dtb-$(CONFIG_ARCH_PRIMA2) += \
 	prima2-evb.dtb
 dtb-$(CONFIG_ARCH_PXA) += \

@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
+
+/dts-v1/;
+
+#include "pentagram-sp7021-cpu.dtsi"
+
+/ {
+	compatible = "bananapi,bpi-f2s", "sunplus,sp7021";
+	model = "Banana Pi BPI-F2S";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&uart0 {
+	status = "okay";
+};

@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
+/*
+ * SunPlus Plus1 (Pentagram) SP7021 CPU-Chip a.k.a. A-Chip (CA7)
+ *
+ * Copyright (c) 2020 Andreas Färber
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+#include "pentagram-sp7021.dtsi"
+
+/ {
+	interrupt-parent = <&gic>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0>;
+		};
+
+		cpu1: cpu@1{
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <1>;
+		};
+
+		cpu2: cpu@2 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <2>;
+		};
+
+		cpu3: cpu@3 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <3>;
+		};
+	};
+
+	arm-pmu {
+		compatible = "arm,cortex-a7-pmu";
+		interrupts = <GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 220 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 221 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 222 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
+	};
+
+	timer: timer {
+		compatible = "arm,armv7-timer";
+		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+		clock-frequency = <27000000>;
+		arm,cpu-registers-not-fw-configured;
+	};
+
+	soc {
+		gic: interrupt-controller@9f101000 {
+			compatible = "arm,cortex-a7-gic";
+			reg = <0x9f101000 0x1000>,
+			      <0x9f102000 0x2000>,
+			      <0x9f104000 0x2000>,
+			      <0x9f106000 0x2000>;
+			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+			interrupt-controller;
+			#interrupt-cells = <3>;
+		};
+	};
+};

@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
+/*
+ * Copyright (c) 2020 Andreas Färber
+ */
+
+/ {
+	compatible = "sunplus,sp7021";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	soc {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x20000000 0x20000000 0xe0000000>;
+
+		rgst: bus@9c000000 {
+			compatible = "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0x0 0x9c000000 0x00100000>;
+
+			uart2: serial@800 {
+				compatible = "sunplus,sp7021-uart";
+				reg = <0x800 0x80>;
+				status = "disabled";
+			};
+
+			uart3: serial@880 {
+				compatible = "sunplus,sp7021-uart";
+				reg = <0x880 0x80>;
+				status = "disabled";
+			};
+
+			uart0: serial@900 {
+				compatible = "sunplus,sp7021-uart";
+				reg = <0x900 0x80>;
+				status = "disabled";
+			};
+
+			uart1: serial@980 {
+				compatible = "sunplus,sp7021-uart";
+				reg = <0x980 0x80>;
+				status = "disabled";
+			};
+
+			uart4: serial@8780 {
+				compatible = "sunplus,sp7021-uart";
+				reg = <0x8780 0x80>;
+				status = "disabled";
+			};
+		};
+
+		amba: bus@9c100000 {
+			compatible = "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0x0 0x9c100000 0x01ef0000>;
+		};
+	};
+};