MIPS: Ingenic: Add Ingenic X1830 support.

Support the Ingenic X1830 SoC using the code under arch/mips/jz4740.
This is left unselectable in Kconfig until a X1830 based board is
added in a later commit.
Tested-by: 周正 (Zhou Zheng) <sernia.zhou@foxmail.com>
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

arch/mips/boot/dts/ingenic/x1830.dtsi

+// SPDX-License-Identifier: GPL-2.0
+#include <dt-bindings/clock/ingenic,tcu.h>
+#include <dt-bindings/clock/x1830-cgu.h>
+#include <dt-bindings/dma/x1830-dma.h>
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "ingenic,x1830";
+
+	cpuintc: interrupt-controller {
+		#address-cells = <0>;
+		#interrupt-cells = <1>;
+		interrupt-controller;
+		compatible = "mti,cpu-interrupt-controller";
+	};
+
+	intc: interrupt-controller@10001000 {
+		compatible = "ingenic,x1830-intc", "ingenic,jz4780-intc";
+		reg = <0x10001000 0x50>;
+
+		interrupt-controller;
+		#interrupt-cells = <1>;
+
+		interrupt-parent = <&cpuintc>;
+		interrupts = <2>;
+	};
+
+	exclk: ext {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+	};
+
+	rtclk: rtc {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <32768>;
+	};
+
+	cgu: x1830-cgu@10000000 {
+		compatible = "ingenic,x1830-cgu";
+		reg = <0x10000000 0x100>;
+
+		#clock-cells = <1>;
+
+		clocks = <&exclk>, <&rtclk>;
+		clock-names = "ext", "rtc";
+	};
+
+	tcu: timer@10002000 {
+		compatible = "ingenic,x1830-tcu", "ingenic,x1000-tcu", "simple-mfd";
+		reg = <0x10002000 0x1000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x10002000 0x1000>;
+
+		#clock-cells = <1>;
+
+		clocks = <&cgu X1830_CLK_RTCLK
+			  &cgu X1830_CLK_EXCLK
+			  &cgu X1830_CLK_PCLK>;
+		clock-names = "rtc", "ext", "pclk";
+
+		interrupt-controller;
+		#interrupt-cells = <1>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <27 26 25>;
+
+		wdt: watchdog@0 {
+			compatible = "ingenic,x1830-watchdog", "ingenic,jz4780-watchdog";
+			reg = <0x0 0x10>;
+
+			clocks = <&tcu TCU_CLK_WDT>;
+			clock-names = "wdt";
+		};
+	};
+
+	rtc: rtc@10003000 {
+		compatible = "ingenic,x1830-rtc", "ingenic,jz4780-rtc";
+		reg = <0x10003000 0x4c>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <32>;
+
+		clocks = <&cgu X1830_CLK_RTCLK>;
+		clock-names = "rtc";
+	};
+
+	pinctrl: pin-controller@10010000 {
+		compatible = "ingenic,x1830-pinctrl";
+		reg = <0x10010000 0x800>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		gpa: gpio@0 {
+			compatible = "ingenic,x1830-gpio";
+			reg = <0>;
+
+			gpio-controller;
+			gpio-ranges = <&pinctrl 0 0 32>;
+			#gpio-cells = <2>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&intc>;
+			interrupts = <17>;
+		};
+
+		gpb: gpio@1 {
+			compatible = "ingenic,x1830-gpio";
+			reg = <1>;
+
+			gpio-controller;
+			gpio-ranges = <&pinctrl 0 32 32>;
+			#gpio-cells = <2>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&intc>;
+			interrupts = <16>;
+		};
+
+		gpc: gpio@2 {
+			compatible = "ingenic,x1830-gpio";
+			reg = <2>;
+
+			gpio-controller;
+			gpio-ranges = <&pinctrl 0 64 32>;
+			#gpio-cells = <2>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&intc>;
+			interrupts = <15>;
+		};
+
+		gpd: gpio@3 {
+			compatible = "ingenic,x1830-gpio";
+			reg = <3>;
+
+			gpio-controller;
+			gpio-ranges = <&pinctrl 0 96 32>;
+			#gpio-cells = <2>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&intc>;
+			interrupts = <14>;
+		};
+	};
+
+	uart0: serial@10030000 {
+		compatible = "ingenic,x1830-uart", "ingenic,x1000-uart";
+		reg = <0x10030000 0x100>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <51>;
+
+		clocks = <&exclk>, <&cgu X1830_CLK_UART0>;
+		clock-names = "baud", "module";
+
+		status = "disabled";
+	};
+
+	uart1: serial@10031000 {
+		compatible = "ingenic,x1830-uart", "ingenic,x1000-uart";
+		reg = <0x10031000 0x100>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <50>;
+
+		clocks = <&exclk>, <&cgu X1830_CLK_UART1>;
+		clock-names = "baud", "module";
+
+		status = "disabled";
+	};
+
+	i2c0: i2c-controller@10050000 {
+		compatible = "ingenic,x1830-i2c", "ingenic,x1000-i2c";
+		reg = <0x10050000 0x1000>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <60>;
+
+		clocks = <&cgu X1830_CLK_SMB0>;
+
+		status = "disabled";
+	};
+
+	i2c1: i2c-controller@10051000 {
+		compatible = "ingenic,x1830-i2c", "ingenic,x1000-i2c";
+		reg = <0x10051000 0x1000>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <59>;
+
+		clocks = <&cgu X1830_CLK_SMB1>;
+
+		status = "disabled";
+	};
+
+	i2c2: i2c-controller@10052000 {
+		compatible = "ingenic,x1830-i2c", "ingenic,x1000-i2c";
+		reg = <0x10052000 0x1000>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <58>;
+
+		clocks = <&cgu X1830_CLK_SMB2>;
+
+		status = "disabled";
+	};
+
+	pdma: dma-controller@13420000 {
+		compatible = "ingenic,x1830-dma";
+		reg = <0x13420000 0x400
+			   0x13421000 0x40>;
+		#dma-cells = <2>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <10>;
+
+		clocks = <&cgu X1830_CLK_PDMA>;
+	};
+
+	msc0: mmc@13450000 {
+		compatible = "ingenic,x1830-mmc", "ingenic,x1000-mmc";
+		reg = <0x13450000 0x1000>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <37>;
+
+		clocks = <&cgu X1830_CLK_MSC0>;
+		clock-names = "mmc";
+
+		cap-sd-highspeed;
+		cap-mmc-highspeed;
+		cap-sdio-irq;
+
+		dmas = <&pdma X1830_DMA_MSC0_RX 0xffffffff>,
+			   <&pdma X1830_DMA_MSC0_TX 0xffffffff>;
+		dma-names = "rx", "tx";
+
+		status = "disabled";
+	};
+
+	msc1: mmc@13460000 {
+		compatible = "ingenic,x1830-mmc", "ingenic,x1000-mmc";
+		reg = <0x13460000 0x1000>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <36>;
+
+		clocks = <&cgu X1830_CLK_MSC1>;
+		clock-names = "mmc";
+
+		cap-sd-highspeed;
+		cap-mmc-highspeed;
+		cap-sdio-irq;
+
+		dmas = <&pdma X1830_DMA_MSC1_RX 0xffffffff>,
+			   <&pdma X1830_DMA_MSC1_TX 0xffffffff>;
+		dma-names = "rx", "tx";
+
+		status = "disabled";
+	};
+
+	mac: ethernet@134b0000 {
+		compatible = "ingenic,x1830-mac", "snps,dwmac";
+		reg = <0x134b0000 0x2000>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <55>;
+		interrupt-names = "macirq";
+
+		clocks = <&cgu X1830_CLK_MAC>;
+		clock-names = "stmmaceth";
+
+		status = "disabled";
+
+		mdio: mdio {
+			compatible = "snps,dwmac-mdio";
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			status = "disabled";
+		};
+	};
+};

arch/mips/jz4740/Kconfig

@@ -58,3 +58,9 @@ config MACH_X1000
 	select MIPS_CPU_SCACHE
 	select SYS_HAS_CPU_MIPS32_R2
 	select SYS_SUPPORTS_HIGHMEM
+
+config MACH_X1830
+	bool
+	select MIPS_CPU_SCACHE
+	select SYS_HAS_CPU_MIPS32_R2
+	select SYS_SUPPORTS_HIGHMEM