linux/linux-5.18.11/arch/mips/boot/dts/ingenic/cu1830-neo.dts

// SPDX-License-Identifier: GPL-2.0
/dts-v1/;

#include "x1830.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/clock/ingenic,sysost.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	compatible = "yna,cu1830-neo", "ingenic,x1830";
	model = "YSH & ATIL General Board CU1830-Neo";

	aliases {
		serial1 = &uart1;
	};

	chosen {
		stdout-path = "serial1:115200n8";
	};

	memory {
		device_type = "memory";
		reg = <0x0 0x08000000>;
	};

	leds {
		compatible = "gpio-leds";
		led-0 {
			gpios = <&gpc 17 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "mmc0";
		};
	};

	ssi0: spi-gpio {
		compatible = "spi-gpio";
		#address-cells = <1>;
		#size-cells = <0>;
		num-chipselects = <1>;

		mosi-gpios = <&gpc 12 GPIO_ACTIVE_HIGH>;
		miso-gpios = <&gpc 11 GPIO_ACTIVE_HIGH>;
		sck-gpios = <&gpc 15 GPIO_ACTIVE_HIGH>;
		cs-gpios = <&gpc 16 GPIO_ACTIVE_HIGH>;

		status = "okay";

		spi-max-frequency = <50000000>;

		sc16is752: expander@0 {
			compatible = "nxp,sc16is752";
			reg = <0>; /* CE0 */
			spi-max-frequency = <4000000>;

			clocks = <&exclk_sc16is752>;

			interrupt-parent = <&gpb>;
			interrupts = <18 IRQ_TYPE_EDGE_FALLING>;

			gpio-controller;
			#gpio-cells = <2>;

			exclk_sc16is752: sc16is752 {
				compatible = "fixed-clock";
				#clock-cells = <0>;
				clock-frequency = <48000000>;
			};
		};
	};

	wlan_pwrseq: msc1-pwrseq {
		compatible = "mmc-pwrseq-simple";

		reset-gpios = <&gpc 13 GPIO_ACTIVE_LOW>;
		post-power-on-delay-ms = <200>;
	};
};

&exclk {
	clock-frequency = <24000000>;
};

&cgu {
	/*
	 * Use the 32.768 kHz oscillator as the parent of the RTC for a higher
	 * precision.
	 */
	assigned-clocks = <&cgu X1830_CLK_RTC>;
	assigned-clock-parents = <&cgu X1830_CLK_RTCLK>;
};

&ost {
	/* 1500 kHz for the system timer and clocksource */
	assigned-clocks = <&ost OST_CLK_PERCPU_TIMER>, <&ost OST_CLK_GLOBAL_TIMER>;
	assigned-clock-rates = <1500000>, <1500000>;
};

&uart1 {
	status = "okay";

	pinctrl-names = "default";
	pinctrl-0 = <&pins_uart1>;
};

&i2c0 {
	status = "okay";

	clock-frequency = <400000>;

	pinctrl-names = "default";
	pinctrl-0 = <&pins_i2c0>;

	ads7830: adc@48 {
		compatible = "ti,ads7830";
		reg = <0x48>;
	};
};

&dtrng {
	status = "okay";
};

&msc0 {
	status = "okay";

	bus-width = <4>;
	max-frequency = <50000000>;

	pinctrl-names = "default";
	pinctrl-0 = <&pins_msc0>;

	non-removable;
};

&msc1 {
	status = "okay";

	#address-cells = <1>;
	#size-cells = <0>;
	bus-width = <4>;
	max-frequency = <50000000>;

	pinctrl-names = "default";
	pinctrl-0 = <&pins_msc1>;

	non-removable;

	mmc-pwrseq = <&wlan_pwrseq>;

	ap6212a: wifi@1 {
		compatible = "brcm,bcm4329-fmac";
		reg = <1>;

		interrupt-parent = <&gpc>;
		interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
		interrupt-names = "host-wake";

		brcm,drive-strength = <10>;
	};
};

&mac {
	status = "okay";

	phy-mode = "rmii";
	phy-handle = <&ip101gr>;

	pinctrl-names = "default";
	pinctrl-0 = <&pins_mac>;

	snps,reset-gpio = <&gpb 28 GPIO_ACTIVE_LOW>; /* PB28 */
	snps,reset-active-low;
	snps,reset-delays-us = <0 10000 30000>;
};

&mdio {
	status = "okay";

	ip101gr: ethernet-phy@0 {
		compatible = "ethernet-phy-id0243.0c54", "ethernet-phy-ieee802.3-c22";
		reg = <0>;
	};
};

&otg_phy {
	status = "okay";
};

&otg {
	status = "okay";
};

&pinctrl {
	pins_uart1: uart1 {
		function = "uart1";
		groups = "uart1-data";
		bias-pull-up;
	};

	pins_i2c0: i2c0 {
		function = "i2c0";
		groups = "i2c0-data";
		bias-pull-up;
	};

	pins_msc0: msc0 {
		function = "mmc0";
		groups = "mmc0-1bit", "mmc0-4bit";
		bias-disable;
	};

	pins_msc1: msc1 {
		function = "mmc1";
		groups = "mmc1-1bit", "mmc1-4bit";
		bias-disable;
	};

	pins_mac: mac {
		function = "mac";
		groups = "mac";
		bias-disable;
	};
};