1 files changed, 127 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/mstar-v7.dtsi b/arch/arm/boot/dts/mstar-v7.dtsi
new file mode 100644
index 000000000..f07880561
--- /dev/null
+++ b/arch/arm/boot/dts/mstar-v7.dtsi
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2020 thingy.jp.
+ * Author: Daniel Palmer <daniel@thingy.jp>
+ */
+
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	interrupt-parent = <&gic>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x0>;
+		};
+	};
+
+	arch_timer {
+		compatible = "arm,armv7-timer";
+		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2)
+				| IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2)
+				| IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2)
+				| IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2)
+				| IRQ_TYPE_LEVEL_LOW)>;
+		/*
+		 * we shouldn't need this but the vendor
+		 * u-boot is broken
+		 */
+		clock-frequency = <6000000>;
+	};
+
+	pmu: pmu {
+		compatible = "arm,cortex-a7-pmu";
+		interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&cpu0>;
+	};
+
+	soc: soc {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x16001000 0x16001000 0x00007000>,
+			 <0x1f000000 0x1f000000 0x00400000>,
+			 <0xa0000000 0xa0000000 0x20000>;
+
+		gic: interrupt-controller@16001000 {
+			compatible = "arm,cortex-a7-gic";
+			reg = <0x16001000 0x1000>,
+			      <0x16002000 0x2000>,
+			      <0x16004000 0x2000>,
+			      <0x16006000 0x2000>;
+			#interrupt-cells = <3>;
+			interrupt-controller;
+			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2)
+					| IRQ_TYPE_LEVEL_LOW)>;
+		};
+
+		riu: bus@1f000000 {
+			compatible = "simple-bus";
+			reg = <0x1f000000 0x00400000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0x0 0x1f000000 0x00400000>;
+
+			pmsleep: syscon@1c00 {
+				compatible = "mstar,msc313-pmsleep", "syscon";
+				reg = <0x1c00 0x100>;
+			};
+
+			reboot {
+				compatible = "syscon-reboot";
+				regmap = <&pmsleep>;
+				offset = <0xb8>;
+				mask = <0x79>;
+			};
+
+			intc_fiq: interrupt-controller@201310 {
+				compatible = "mstar,mst-intc";
+				reg = <0x201310 0x40>;
+				#interrupt-cells = <3>;
+				interrupt-controller;
+				interrupt-parent = <&gic>;
+				mstar,irqs-map-range = <96 127>;
+			};
+
+			intc_irq: interrupt-controller@201350 {
+				compatible = "mstar,mst-intc";
+				reg = <0x201350 0x40>;
+				#interrupt-cells = <3>;
+				interrupt-controller;
+				interrupt-parent = <&gic>;
+				mstar,irqs-map-range = <32 95>;
+				mstar,intc-no-eoi;
+			};
+
+			l3bridge: l3bridge@204400 {
+				compatible = "mstar,l3bridge";
+				reg = <0x204400 0x200>;
+			};
+
+			pm_uart: uart@221000 {
+				compatible = "ns16550a";
+				reg = <0x221000 0x100>;
+				reg-shift = <3>;
+				interrupts-extended = <&intc_irq GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+				clock-frequency = <172000000>;
+				status = "disabled";
+			};
+		};
+
+		imi: sram@a0000000 {
+			compatible = "mmio-sram";
+			reg = <0xa0000000 0x10000>;
+		};
+	};
+};