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linux-7.2.3/arch/mips/boot/dts/realtek/Makefile

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_MACH_REALTEK_RTL)	+= cisco_sg220-26.dtb
+dtb-$(CONFIG_MACH_REALTEK_RTL)	+= cameo-rtl9302c-2x-rtl8224-2xge.dtb

linux-7.2.3/arch/mips/boot/dts/realtek/cameo-rtl9302c-2x-rtl8224-2xge.dts

@@ -0,0 +1,169 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/dts-v1/;
+
+#include "rtl9302c.dtsi"
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/thermal/thermal.h>
+
+/ {
+	compatible = "cameo,rtl9302c-2x-rtl8224-2xge", "realtek,rtl9302-soc";
+	model = "RTL9302C Development Board";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x8000000>;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&spi0 {
+	status = "okay";
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <10000000>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "LOADER";
+				reg = <0x0 0xe0000>;
+				read-only;
+			};
+			partition@e0000 {
+				label = "BDINFO";
+				reg = <0xe0000 0x10000>;
+			};
+			partition@f0000 {
+				label = "SYSINFO";
+				reg = <0xf0000 0x10000>;
+				read-only;
+			};
+			partition@100000 {
+				label = "JFFS2 CFG";
+				reg = <0x100000 0x100000>;
+			};
+			partition@200000 {
+				label = "JFFS2 LOG";
+				reg = <0x200000 0x100000>;
+			};
+			partition@300000 {
+				label = "RUNTIME";
+				reg = <0x300000 0xe80000>;
+			};
+			partition@1180000 {
+				label = "RUNTIME2";
+				reg = <0x1180000 0xe80000>;
+			};
+		};
+	};
+};
+
+&mdio0 {
+	/* External RTL8224 */
+	phy0: ethernet-phy@0 {
+		reg = <0>;
+		compatible = "ethernet-phy-ieee802.3-c45";
+	};
+	phy1: ethernet-phy@1 {
+		reg = <1>;
+		compatible = "ethernet-phy-ieee802.3-c45";
+	};
+	phy2: ethernet-phy@2 {
+		reg = <2>;
+		compatible = "ethernet-phy-ieee802.3-c45";
+	};
+	phy3: ethernet-phy@3 {
+		reg = <3>;
+		compatible = "ethernet-phy-ieee802.3-c45";
+	};
+};
+
+&mdio1 {
+	/* External RTL8224 */
+	phy4: ethernet-phy@0 {
+		reg = <0>;
+		compatible = "ethernet-phy-ieee802.3-c45";
+	};
+	phy5: ethernet-phy@1 {
+		reg = <1>;
+		compatible = "ethernet-phy-ieee802.3-c45";
+	};
+	phy6: ethernet-phy@2 {
+		reg = <2>;
+		compatible = "ethernet-phy-ieee802.3-c45";
+	};
+	phy7: ethernet-phy@3 {
+		reg = <3>;
+		compatible = "ethernet-phy-ieee802.3-c45";
+	};
+};
+
+&switch0 {
+	ethernet-ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+			phy-handle = <&phy0>;
+			phy-mode = "usxgmii";
+		};
+		port@1 {
+			reg = <1>;
+			phy-handle = <&phy1>;
+			phy-mode = "usxgmii";
+		};
+		port@2 {
+			reg = <2>;
+			phy-handle = <&phy2>;
+			phy-mode = "usxgmii";
+		};
+		port@3 {
+			reg = <3>;
+			phy-handle = <&phy3>;
+			phy-mode = "usxgmii";
+		};
+		port@16 {
+			reg = <16>;
+			phy-handle = <&phy4>;
+			phy-mode = "usxgmii";
+		};
+		port@17 {
+			reg = <17>;
+			phy-handle = <&phy5>;
+			phy-mode = "usxgmii";
+		};
+		port@18 {
+			reg = <18>;
+			phy-handle = <&phy6>;
+			phy-mode = "usxgmii";
+		};
+		port@19 {
+			reg = <19>;
+			phy-handle = <&phy7>;
+			phy-mode = "usxgmii";
+		};
+		port@24{
+			reg = <24>;
+			phy-mode = "10gbase-r";
+		};
+		port@25{
+			reg = <25>;
+			phy-mode = "10gbase-r";
+		};
+	};
+};

linux-7.2.3/arch/mips/boot/dts/realtek/cisco_sg220-26.dts

@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
+
+/dts-v1/;
+
+#include "rtl838x.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	model = "Cisco SG220-26";
+	compatible = "cisco,sg220-26", "realtek,rtl8382-soc";
+
+	chosen {
+		stdout-path = "serial0:9600n8";
+		bootargs = "earlycon console=ttyS0,9600";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x8000000>;
+	};
+
+	gpio-restart {
+		compatible = "gpio-restart";
+		gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
+		priority = <192>;
+		open-source;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};

linux-7.2.3/arch/mips/boot/dts/realtek/rtl838x.dtsi

@@ -0,0 +1,129 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	aliases {
+		serial0 = &uart0;
+		serial1 = &uart1;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			compatible = "mips,mips4KEc";
+			reg = <0>;
+			clocks = <&baseclk>;
+		};
+	};
+
+	baseclk: baseclk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <500000000>;
+	};
+
+	cpuintc: cpuintc {
+		compatible = "mti,cpu-interrupt-controller";
+		#address-cells = <0>;
+		#interrupt-cells = <1>;
+		interrupt-controller;
+	};
+
+	lx_clk: clock-lexra {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <200000000>;
+	};
+
+	soc@18000000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x18000000 0x10000>;
+
+		spi0: spi@1200 {
+			compatible = "realtek,rtl8380-spi";
+			reg = <0x1200 0x100>;
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		uart0: serial@2000 {
+			compatible = "ns16550a";
+			reg = <0x2000 0x100>;
+
+			clocks = <&lx_clk>;
+
+			interrupt-parent = <&intc>;
+			interrupts = <31>;
+
+			reg-io-width = <1>;
+			reg-shift = <2>;
+			fifo-size = <1>;
+			no-loopback-test;
+
+			status = "disabled";
+		};
+
+		uart1: serial@2100 {
+			compatible = "ns16550a";
+			reg = <0x2100 0x100>;
+
+			clocks = <&lx_clk>;
+
+			interrupt-parent = <&intc>;
+			interrupts = <30>;
+
+			reg-io-width = <1>;
+			reg-shift = <2>;
+			fifo-size = <1>;
+			no-loopback-test;
+
+			status = "disabled";
+		};
+
+		intc: interrupt-controller@3000 {
+			compatible = "realtek,rtl8380-intc", "realtek,rtl-intc";
+			reg = <0x3000 0x20>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpuintc>;
+			interrupts = <2>, <3>, <4>, <5>, <6>;
+		};
+
+		watchdog: watchdog@3150 {
+			compatible = "realtek,rtl8380-wdt";
+			reg = <0x3150 0xc>;
+
+			realtek,reset-mode = "soc";
+
+			clocks = <&lx_clk>;
+			timeout-sec = <20>;
+
+			interrupt-parent = <&intc>;
+			interrupt-names = "phase1", "phase2";
+			interrupts = <19>, <18>;
+		};
+
+		gpio0: gpio@3500 {
+			compatible = "realtek,rtl8380-gpio", "realtek,otto-gpio";
+			reg = <0x3500 0x1c>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+			ngpios = <24>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			interrupt-parent = <&intc>;
+			interrupts = <23>;
+		};
+	};
+};

linux-7.2.3/arch/mips/boot/dts/realtek/rtl9302c.dtsi

@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
+
+#include "rtl930x.dtsi"
+
+&switch0 {
+	compatible = "realtek,rtl9302c-switch", "syscon", "simple-mfd";
+};
+
+&i2c0 {
+	compatible = "realtek,rtl9302c-i2c", "realtek,rtl9301-i2c";
+};
+
+&i2c1 {
+	compatible = "realtek,rtl9302c-i2c", "realtek,rtl9301-i2c";
+};

linux-7.2.3/arch/mips/boot/dts/realtek/rtl930x.dtsi

@@ -0,0 +1,217 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
+
+/ {
+	compatible = "realtek,rtl9302-soc";
+
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	aliases {
+		serial0 = &uart0;
+		serial1 = &uart1;
+	};
+
+	cpuintc: cpuintc {
+		compatible = "mti,cpu-interrupt-controller";
+		#address-cells = <0>;
+		#interrupt-cells = <1>;
+		interrupt-controller;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			compatible = "mips,mips34Kc";
+			reg = <0>;
+			clocks = <&baseclk>;
+		};
+	};
+
+	baseclk: clock-800mhz {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <800000000>;
+	};
+
+	lx_clk: clock-175mhz {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency  = <175000000>;
+	};
+
+	switch0: switch@1b000000 {
+		compatible = "realtek,rtl9301-switch", "syscon", "simple-mfd";
+		reg = <0x1b000000 0x10000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <23>, <24>;
+		interrupt-names = "switch", "nic";
+
+		reboot@c {
+			compatible = "syscon-reboot";
+			reg = <0x0c 0x4>;
+			value = <0x01>;
+		};
+
+		i2c0: i2c@36c {
+			compatible = "realtek,rtl9301-i2c";
+			reg = <0x36c 0x14>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c1: i2c@388 {
+			compatible = "realtek,rtl9301-i2c";
+			reg = <0x388 0x14>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		mdio_controller: mdio-controller@ca00 {
+			compatible = "realtek,rtl9301-mdio";
+			reg = <0xca00 0x200>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			mdio0: mdio-bus@0 {
+				reg = <0>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+			mdio1: mdio-bus@1 {
+				reg = <1>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+			mdio2: mdio-bus@2 {
+				reg = <2>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+			mdio3: mdio-bus@3 {
+				reg = <3>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+		};
+	};
+
+	soc: soc@18000000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x18000000 0x20000>;
+
+		intc: interrupt-controller@3000 {
+			compatible = "realtek,rtl9300-intc", "realtek,rtl-intc";
+			reg = <0x3000 0x18>, <0x3018 0x18>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpuintc>;
+			interrupts = <2>, <3>, <4>, <5>, <6>, <7>;
+		};
+
+		spi0: spi@1200 {
+			compatible = "realtek,rtl8380-spi";
+			reg = <0x1200 0x100>;
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		timer0: timer@3200 {
+			compatible = "realtek,rtl9302-timer", "realtek,otto-timer";
+			reg = <0x3200 0x10>, <0x3210 0x10>, <0x3220 0x10>,
+			    <0x3230 0x10>, <0x3240 0x10>;
+
+			interrupt-parent = <&intc>;
+			interrupts = <7>, <8>, <9>, <10>, <11>;
+			clocks = <&lx_clk>;
+		};
+
+		watchdog0: watchdog@3260 {
+			compatible = "realtek,rtl9300-wdt";
+			reg = <0x3260 0xc>;
+
+			realtek,reset-mode = "soc";
+
+			clocks = <&lx_clk>;
+			timeout-sec = <30>;
+
+			interrupt-parent = <&intc>;
+			interrupt-names = "phase1", "phase2";
+			interrupts = <5>, <6>;
+		};
+
+		gpio0: gpio@3300 {
+			compatible = "realtek,rtl9300-gpio", "realtek,otto-gpio";
+			reg = <0x3300 0x1c>, <0x3338 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			ngpios = <24>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			interrupt-parent = <&intc>;
+			interrupts = <13>;
+		};
+
+		snand: spi@1a400 {
+			compatible = "realtek,rtl9301-snand";
+			reg = <0x1a400 0x44>;
+			interrupt-parent = <&intc>;
+			interrupts = <19>;
+			clocks = <&lx_clk>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		uart0: serial@2000 {
+			compatible = "ns16550a";
+			reg = <0x2000 0x100>;
+
+			clocks = <&lx_clk>;
+
+			interrupt-parent = <&intc>;
+			interrupts = <30>;
+
+			reg-io-width = <1>;
+			reg-shift = <2>;
+			fifo-size = <1>;
+			no-loopback-test;
+
+			status = "disabled";
+		};
+
+		uart1: serial@2100 {
+			compatible = "ns16550a";
+			reg = <0x2100 0x100>;
+
+			clocks = <&lx_clk>;
+
+			interrupt-parent = <&intc>;
+			interrupts = <31>;
+
+			reg-io-width = <1>;
+			reg-shift = <2>;
+			fifo-size = <1>;
+			no-loopback-test;
+
+			status = "disabled";
+		};
+	};
+};