Linux_Drivers/linux_5.10/arch/arm/boot/dts/mt2701-evb.dts

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2015 MediaTek Inc.
 * Author: Erin Lo <erin.lo@mediatek.com>
 *
 */

/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include "mt2701.dtsi"

/ {
	model = "MediaTek MT2701 evaluation board";
	compatible = "mediatek,mt2701-evb", "mediatek,mt2701";

	memory {
		device_type = "memory";
		reg = <0 0x80000000 0 0x40000000>;
	};

	sound:sound {
		compatible = "mediatek,mt2701-cs42448-machine";
		mediatek,platform = <&afe>;
		/* CS42448 Machine name */
		audio-routing =
		"Line Out Jack", "AOUT1L",
		"Line Out Jack", "AOUT1R",
		"Line Out Jack", "AOUT2L",
		"Line Out Jack", "AOUT2R",
		"Line Out Jack", "AOUT3L",
		"Line Out Jack", "AOUT3R",
		"Line Out Jack", "AOUT4L",
		"Line Out Jack", "AOUT4R",
		"AIN1L", "AMIC",
		"AIN1R", "AMIC",
		"AIN2L", "Tuner In",
		"AIN2R", "Tuner In",
		"AIN3L", "Satellite Tuner In",
		"AIN3R", "Satellite Tuner In",
		"AIN3L", "AUX In",
		"AIN3R", "AUX In";
		mediatek,audio-codec = <&cs42448>;
		mediatek,audio-codec-bt-mrg = <&bt_sco_codec>;
		pinctrl-names = "default";
		pinctrl-0 = <&aud_pins_default>;
		i2s1-in-sel-gpio1 = <&pio 53 0>;
		i2s1-in-sel-gpio2 = <&pio 54 0>;
		status = "okay";
	};

	bt_sco_codec:bt_sco_codec {
		compatible = "linux,bt-sco";
	};

	backlight_lcd: backlight_lcd {
		compatible = "pwm-backlight";
		pwms = <&bls 0 100000>;
		brightness-levels = <
			  0  16  32  48  64  80  96 112
			128 144 160 176 192 208 224 240
			255
		>;
		default-brightness-level = <9>;
	};

	usb_vbus: regulator@0 {
		compatible = "regulator-fixed";
		regulator-name = "usb_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&pio 45 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};
};

&auxadc {
	status = "okay";
};

&bls {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&pwm_bls_gpio>;
};

&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins_a>;
	status = "okay";
};

&i2c1 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c1_pins_a>;
	status = "okay";
};

&i2c2 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c2_pins_a>;
	status = "okay";
	cs42448: cs42448@48 {
		compatible = "cirrus,cs42448";
		reg = <0x48>;
		clocks = <&topckgen CLK_TOP_AUD_I2S1_MCLK>;
		clock-names = "mclk";
	};
};

&pio {
	i2c0_pins_a: i2c0@0 {
		pins1 {
			pinmux = <MT2701_PIN_75_SDA0__FUNC_SDA0>,
				 <MT2701_PIN_76_SCL0__FUNC_SCL0>;
			bias-disable;
		};
	};

	i2c1_pins_a: i2c1@0 {
		pins1 {
			pinmux = <MT2701_PIN_57_SDA1__FUNC_SDA1>,
				 <MT2701_PIN_58_SCL1__FUNC_SCL1>;
			bias-disable;
		};
	};

	i2c2_pins_a: i2c2@0 {
		pins1 {
			pinmux = <MT2701_PIN_77_SDA2__FUNC_SDA2>,
				 <MT2701_PIN_78_SCL2__FUNC_SCL2>;
			bias-disable;
		};
	};

	pwm_bls_gpio: pwm_bls_gpio {
		pins_cmd_dat {
			pinmux = <MT2701_PIN_208_AUD_EXT_CK1__FUNC_DISP_PWM>;
		};
	};

	spi_pins_a: spi0@0 {
		pins_spi {
			pinmux = <MT2701_PIN_53_SPI0_CSN__FUNC_SPI0_CS>,
				 <MT2701_PIN_54_SPI0_CK__FUNC_SPI0_CK>,
				 <MT2701_PIN_55_SPI0_MI__FUNC_SPI0_MI>,
				 <MT2701_PIN_56_SPI0_MO__FUNC_SPI0_MO>;
			bias-disable;
		};
	};

	aud_pins_default: audiodefault {
		pins_cmd_dat {
			pinmux = <MT2701_PIN_49_I2S0_DATA__FUNC_I2S0_DATA>,
				 <MT2701_PIN_72_I2S0_DATA_IN__FUNC_I2S0_DATA_IN>,
				 <MT2701_PIN_73_I2S0_LRCK__FUNC_I2S0_LRCK>,
				 <MT2701_PIN_74_I2S0_BCK__FUNC_I2S0_BCK>,
				 <MT2701_PIN_126_I2S0_MCLK__FUNC_I2S0_MCLK>,
				 <MT2701_PIN_33_I2S1_DATA__FUNC_I2S1_DATA>,
				 <MT2701_PIN_34_I2S1_DATA_IN__FUNC_I2S1_DATA_IN>,
				 <MT2701_PIN_35_I2S1_BCK__FUNC_I2S1_BCK>,
				 <MT2701_PIN_36_I2S1_LRCK__FUNC_I2S1_LRCK>,
				 <MT2701_PIN_37_I2S1_MCLK__FUNC_I2S1_MCLK>,
				 <MT2701_PIN_203_PWM0__FUNC_I2S2_DATA>,
				 <MT2701_PIN_204_PWM1__FUNC_I2S3_DATA>,
				 <MT2701_PIN_53_SPI0_CSN__FUNC_GPIO53>,
				 <MT2701_PIN_54_SPI0_CK__FUNC_GPIO54>,
				 <MT2701_PIN_18_PCM_CLK__FUNC_MRG_CLK>,
				 <MT2701_PIN_19_PCM_SYNC__FUNC_MRG_SYNC>,
				 <MT2701_PIN_20_PCM_RX__FUNC_MRG_TX>,
				 <MT2701_PIN_21_PCM_TX__FUNC_MRG_RX>;
			drive-strength = <MTK_DRIVE_12mA>;
			bias-pull-down;
		};
	};

	spi_pins_b: spi1@0 {
		pins_spi {
			pinmux = <MT2701_PIN_7_SPI1_CSN__FUNC_SPI1_CS>,
				 <MT2701_PIN_8_SPI1_MI__FUNC_SPI1_MI>,
				 <MT2701_PIN_9_SPI1_MO__FUNC_SPI1_MO>,
				 <MT2701_PIN_199_SPI1_CLK__FUNC_SPI1_CK>;
			bias-disable;
		};
	};

	spi_pins_c: spi2@0 {
		pins_spi {
			pinmux = <MT2701_PIN_101_SPI2_CSN__FUNC_SPI2_CS>,
				 <MT2701_PIN_102_SPI2_MI__FUNC_SPI2_MI>,
				 <MT2701_PIN_103_SPI2_MO__FUNC_SPI2_MO>,
				 <MT2701_PIN_104_SPI2_CLK__FUNC_SPI2_CK>;
			bias-disable;
		};
	};
};

&spi0 {
	pinctrl-names = "default";
	pinctrl-0 = <&spi_pins_a>;
	status = "disabled";
};

&spi1 {
	pinctrl-names = "default";
	pinctrl-0 = <&spi_pins_b>;
	status = "disabled";
};

&spi2 {
	pinctrl-names = "default";
	pinctrl-0 = <&spi_pins_c>;
	status = "disabled";
};

&nor_flash {
	pinctrl-names = "default";
	pinctrl-0 = <&nor_pins_default>;
	status = "okay";
	flash@0 {
		compatible = "jedec,spi-nor";
		reg = <0>;
	};
};

&pio {
	nor_pins_default: nor {
		pins1 {
			pinmux = <MT2701_PIN_240_EXT_XCS__FUNC_EXT_XCS>,
				 <MT2701_PIN_241_EXT_SCK__FUNC_EXT_SCK>,
				 <MT2701_PIN_239_EXT_SDIO0__FUNC_EXT_SDIO0>,
				 <MT2701_PIN_238_EXT_SDIO1__FUNC_EXT_SDIO1>,
				 <MT2701_PIN_237_EXT_SDIO2__FUNC_EXT_SDIO2>,
				 <MT2701_PIN_236_EXT_SDIO3__FUNC_EXT_SDIO3>;
			drive-strength = <MTK_DRIVE_4mA>;
			bias-pull-up;
		};
	};
};

&uart0 {
	status = "okay";
};

&usb2 {
	status = "okay";
	usb-role-switch;
	connector{
		compatible = "gpio-usb-b-connector", "usb-b-connector";
		type = "micro";
		id-gpios = <&pio 44 GPIO_ACTIVE_HIGH>;
		vbus-supply = <&usb_vbus>;
	};
};