Initial commit

target/linux/realtek/dts-5.15/rtl931x.dtsi

@@ -0,0 +1,206 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include <dt-bindings/interrupt-controller/mips-gic.h>
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	compatible = "realtek,rtl838x-soc";
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		frequency = <1000000000>;
+
+		cpu@0 {
+			compatible = "mti,interaptive";
+			reg = <0>;
+		};
+
+		cpu@1 {
+			compatible = "mti,interaptive";
+			reg = <1>;
+		};
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x10000000>;
+	};
+
+	aliases {
+		serial0 = &uart0;
+		serial1 = &uart1;
+	};
+
+	chosen {
+		bootargs = "earlycon";
+		stdout-path = "serial0:115200n8";
+	};
+
+	lx_clk: lx_clk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <200000000>;
+	};
+
+	cpuclock: cpuclock@0 {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+
+		/* FIXME: there should be way to detect this */
+		clock-frequency = <1000000000>;
+	};
+
+	cpuintc: cpuintc {
+		compatible = "mti,cpu-interrupt-controller";
+		#address-cells = <0>;
+		#interrupt-cells = <1>;
+		interrupt-controller;
+	};
+
+	gic: interrupt-controller@1ddc0000 {
+		compatible = "mti,gic";
+		reg = <0x1ddc0000 0x20000>;
+
+		interrupt-controller;
+		#interrupt-cells = <3>;
+
+		/*
+		 * Declare the interrupt-parent even though the mti,gic
+		 * binding doesn't require it, such that the kernel can
+		 * figure out that cpu_intc is the root interrupt
+		 * controller & should be probed first.
+		 */
+		interrupt-parent = <&cpuintc>;
+
+		timer {
+			compatible = "mti,gic-timer";
+			interrupts = <GIC_LOCAL 1 IRQ_TYPE_NONE>;
+			clocks = <&cpuclock>;
+		};
+	};
+
+	soc: soc {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x18000000 0x10000>;
+
+		spi0: spi@1200 {
+			status = "okay";
+
+			compatible = "realtek,rtl8380-spi";
+			reg = <0x1200 0x100>;
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		watchdog0: watchdog@3260 {
+			compatible = "realtek,rtl9310-wdt";
+			reg = <0x3260 0xc>;
+
+			realtek,reset-mode = "soc";
+
+			clocks = <&lx_clk>;
+			timeout-sec = <30>;
+
+			interrupt-parent = <&gic>;
+			interrupt-names = "phase1", "phase2";
+			interrupts = <GIC_SHARED 8 IRQ_TYPE_LEVEL_HIGH>, <GIC_SHARED 9 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		gpio0: gpio-controller@3300 {
+			compatible = "realtek,rtl9310-gpio", "realtek,otto-gpio";
+			reg = <0x3300 0x1c>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+			ngpios = <32>;
+
+			interrupt-controller;
+			#interrupt-cells = <3>;
+			interrupt-parent = <&gic>;
+			interrupts = <GIC_SHARED 20 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		uart0: uart@2000 {
+			compatible = "ns16550a";
+			reg = <0x2000 0x100>;
+
+			clock-frequency = <200000000>;
+
+			interrupt-parent = <&gic>;
+			#interrupt-cells = <3>;
+			interrupts = <GIC_SHARED 22 IRQ_TYPE_LEVEL_HIGH>;
+
+			reg-io-width = <1>;
+			reg-shift = <2>;
+			fifo-size = <1>;
+			no-loopback-test;
+		};
+
+		uart1: uart@2100 {
+			compatible = "ns16550a";
+			reg = <0x2100 0x100>;
+
+			clock-frequency = <200000000>;
+
+			interrupt-parent = <&gic>;
+			#interrupt-cells = <3>;
+			interrupts = <GIC_SHARED 23 IRQ_TYPE_LEVEL_HIGH>;
+
+			reg-io-width = <1>;
+			reg-shift = <2>;
+			fifo-size = <1>;
+			no-loopback-test;
+
+			status = "disabled";
+		};
+	};
+
+	pinmux: pinmux@1b001358 {
+		compatible = "pinctrl-single";
+		reg = <0x1b001358 0x4>;
+
+		pinctrl-single,bit-per-mux;
+		pinctrl-single,register-width = <32>;
+		pinctrl-single,function-mask = <0x1>;
+		#pinctrl-cells = <2>;
+
+		/* Enable GPIO6 and GPIO7, possibly unknown others */
+		pinmux_disable_jtag: disable_jtag {
+			pinctrl-single,bits = <0x0 0x0 0x8000>;
+		};
+
+		/* Controls GPIO0 */
+		pinmux_disable_sys_led: disable_sys_led {
+			pinctrl-single,bits = <0x0 0x0 0x100>;
+		};
+	};
+
+	ethernet0: ethernet@1b00a300 {
+		status = "okay";
+		compatible = "realtek,rtl838x-eth";
+		reg = <0x1b00a300 0x100>;
+		interrupt-parent = <&gic>;
+		#interrupt-cells = <3>;
+		interrupts = <GIC_SHARED 16 IRQ_TYPE_LEVEL_HIGH>;
+		phy-mode = "internal";
+		fixed-link {
+			speed = <1000>;
+			full-duplex;
+		};
+	};
+
+	switch0: switch@1b000000 {
+		compatible = "realtek,rtl83xx-switch";
+		status = "okay";
+
+		interrupt-parent = <&gic>;
+		#interrupt-cells = <3>;
+		interrupts = <GIC_SHARED 15 IRQ_TYPE_LEVEL_HIGH>;
+	};
+};