linux-kernel/linux-7.2.3/arch/arm/boot/dts/ti/omap/am335x-tqma335x.dtsi

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2014-2025 TQ-Systems GmbH <linux@ew.tq-group.com>, D-82229 Seefeld, Germany.
 * Authors: Gregor Herburger, Matthias Schiffer
 *
 * Based on:
 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
 */

#include <dt-bindings/interrupt-controller/irq.h>
#include "am33xx.dtsi"

/ {
	compatible = "tq,tqma3359", "ti,am33xx";

	aliases {
		mmc0 = &mmc2;
		mmc1 = &mmc1;
		/delete-property/ mmc2;
		rtc0 = &tps;
		rtc1 = &ds1339;
		rtc2 = &rtc;
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x80000000 0x10000000>; /* 256 MB */
	};

	/* SOM input voltage */
	vcc3v3in: regulator-vcc3v3in {
		compatible = "regulator-fixed";
		regulator-name = "VCC3V3IN";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
	};

	/*
	 * Regulator is enabled by PMIC power sequence. The supplied voltage
	 * rail is also usable on baseboard.
	 */
	vddshv: regulator-vddshv {
		compatible = "regulator-fixed";
		regulator-name = "VDDSHV";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		vin-supply = <&vcc3v3in>;
	};
};

&am33xx_pinmux {
	i2c0_pins: i2c0-pins {
		pinctrl-single,pins = <
			/* i2c0_sda.i2c0_sda */
			AM33XX_PADCONF(AM335X_PIN_I2C0_SDA, PIN_INPUT_PULLUP, MUX_MODE0)
			/* i2c0_scl.i2c0_scl */
			AM33XX_PADCONF(AM335X_PIN_I2C0_SCL, PIN_INPUT_PULLUP, MUX_MODE0)
		>;
	};

	mmc2_pins: mmc2-pins {
		pinctrl-single,pins = <
			/* gpmc_ad0.mmc1_dat0 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD0, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE1)
			/* gpmc_ad1.mmc1_dat1 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD1, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE1)
			/* gpmc_ad2.mmc1_dat2 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD2, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE1)
			/* gpmc_ad3.mmc1_dat3 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD3, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE1)
			/* gpmc_ad4.mmc1_dat4 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD4, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE1)
			/* gpmc_ad5.mmc1_dat5 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD5, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE1)
			/* gpmc_ad6.mmc1_dat6 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD6, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE1)
			/* gpmc_ad7.mmc1_dat7 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD7, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE1)
			/* gpmc_csn1.mmc1_clk */
			AM33XX_PADCONF(AM335X_PIN_GPMC_CSN1, PIN_INPUT_PULLUP, MUX_MODE2)
			/* gpmc_csn2.mmc1_cmd */
			AM33XX_PADCONF(AM335X_PIN_GPMC_CSN2, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE2)
		>;
	};

	spi0_pins: spi0-pins {
		pinctrl-single,pins = <
			/* spi0_sclk.spi0_sclk */
			AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT, MUX_MODE0)
			/* spi0_d0.spi0_d0 */
			AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_INPUT_PULLDOWN, MUX_MODE0)
			/* spi0_d1.spi0_d1 */
			AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_OUTPUT, MUX_MODE0)
			/* spi0_cs0.spi0_cs0 */
			AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_OUTPUT, MUX_MODE0)
		>;
	};
};

&cpu {
	cpu0-supply = <&vdd1_reg>;
};

&elm {
	status = "okay";
};

&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins>;
	clock-frequency = <100000>;
	status = "okay";

	/* optional, not on TQMa335xL */
	jc42_1: temperature-sensor@1f {
		compatible = "nxp,se97b", "jedec,jc-42.4-temp";
		reg = <0x1f>;
	};

	tps: pmic@2d {
		reg = <0x2d>;
		ti,en-ck32k-xtal;
		/* Filled in by tps65910.dtsi */
	};

	/* optional, not on TQMa335xL */
	eeprom: eeprom@50 {
		compatible = "st,24c64", "atmel,24c64";
		reg = <0x50>;
		pagesize = <32>;
		vcc-supply = <&vddshv>;
	};

	/* optional, not on TQMa335xL */
	se97btp: eeprom@57 {
		compatible = "nxp,se97b", "atmel,24c02";
		reg = <0x57>;
		pagesize = <16>;
		vcc-supply = <&vddshv>;
	};

	/* optional, not on TQMa335xL */
	ds1339: rtc@68 {
		compatible = "dallas,ds1339";
		reg = <0x68>;
	};
};

#include "../../tps65910.dtsi"

&mmc2 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc2_pins>;
	bus-width = <8>;
	no-1-8-v;
	no-sd;
	no-sdio;
	vmmc-supply = <&vddshv>;
	non-removable;
	status = "okay";
};

&rtc {
	status = "disabled";
};

&tps {
	vcc1-supply = <&vcc3v3in>;
	vcc2-supply = <&vcc3v3in>;
	vcc3-supply = <&vcc3v3in>;
	vcc4-supply = <&vcc3v3in>;
	vcc5-supply = <&vcc3v3in>;
	vcc6-supply = <&vcc3v3in>;
	vcc7-supply = <&vcc3v3in>;
	vccio-supply = <&vcc3v3in>;
};

/* TPS outputs */
&vrtc_reg {
	regulator-always-on;
};

&vio_reg {
	regulator-always-on;
};

&vdd1_reg {
	regulator-name = "vdd_mpu";
	regulator-min-microvolt = <600000>;
	regulator-max-microvolt = <1500000>;
	regulator-boot-on;
	regulator-always-on;
};

&vdd2_reg {
	regulator-name = "vdd_core";
	regulator-min-microvolt = <600000>;
	regulator-max-microvolt = <1500000>;
	regulator-boot-on;
	regulator-always-on;
};

&vdd3_reg {
	regulator-always-on;
};

&vdig1_reg {
	regulator-always-on;
};

&vdig2_reg {
	regulator-always-on;
};

&vpll_reg {
	regulator-always-on;
};

&vdac_reg {
	regulator-always-on;
};

&vaux1_reg {
	regulator-always-on;
};

&vaux2_reg {
	regulator-always-on;
};

&vaux33_reg {
	regulator-always-on;
};

&vmmc_reg {
	regulator-always-on;
};

&spi0 {
	pinctrl-names = "default";
	pinctrl-0 = <&spi0_pins>;
	status = "okay";

	flash@0 {
		compatible = "jedec,spi-nor";
		reg = <0x0>;
		spi-max-frequency = <24000000>;
		vcc-supply = <&vddshv>;

		partitions {
			compatible = "fixed-partitions";
			#address-cells = <1>;
			#size-cells = <1>;
		};
	};
};

&usb0_phy {
	vcc-supply = <&vaux1_reg>;
};

&usb1_phy {
	vcc-supply = <&vaux1_reg>;
};

&wkup_m3_ipc {
	firmware-name = "am335x-evm-scale-data.bin";
};