u-boot/arch/arm/dts/k3-am625-sk.dts

// SPDX-License-Identifier: GPL-2.0
/*
 * AM625 SK: https://www.ti.com/lit/zip/sprr448
 *
 * Copyright (C) 2021-2022 Texas Instruments Incorporated - https://www.ti.com/
 */

/dts-v1/;

#include <dt-bindings/leds/common.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/net/ti-dp83867.h>
#include "k3-am625.dtsi"

/ {
	compatible =  "ti,am625-sk", "ti,am625";
	model = "Texas Instruments AM625 SK";

	aliases {
		serial2 = &main_uart0;
		mmc0 = &sdhci0;
		mmc1 = &sdhci1;
		mmc2 = &sdhci2;
		spi0 = &ospi0;
		ethernet0 = &cpsw_port1;
		ethernet1 = &cpsw_port2;
	};

	chosen {
		stdout-path = "serial2:115200n8";
		bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000";
	};

	memory@80000000 {
		device_type = "memory";
		/* 2G RAM */
		reg = <0x00000000 0x80000000 0x00000000 0x80000000>;

	};

	reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		ramoops@9ca00000 {
			compatible = "ramoops";
			reg = <0x00 0x9ca00000 0x00 0x00100000>;
			record-size = <0x8000>;
			console-size = <0x8000>;
			ftrace-size = <0x00>;
			pmsg-size = <0x8000>;
		};

		secure_tfa_ddr: tfa@9e780000 {
			reg = <0x00 0x9e780000 0x00 0x80000>;
			alignment = <0x1000>;
			no-map;
		};

		secure_ddr: optee@9e800000 {
			reg = <0x00 0x9e800000 0x00 0x01800000>; /* for OP-TEE */
			alignment = <0x1000>;
			no-map;
		};

		wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@9db00000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0x9db00000 0x00 0xc00000>;
			no-map;
		};
	};

	vmain_pd: regulator-0 {
		/* TPS65988 PD CONTROLLER OUTPUT */
		compatible = "regulator-fixed";
		regulator-name = "vmain_pd";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
		regulator-boot-on;
	};

	vcc_5v0: regulator-1 {
		/* Output of LM34936 */
		compatible = "regulator-fixed";
		regulator-name = "vcc_5v0";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&vmain_pd>;
		regulator-always-on;
		regulator-boot-on;
	};

	vcc_3v3_sys: regulator-2 {
		/* output of LM61460-Q1 */
		compatible = "regulator-fixed";
		regulator-name = "vcc_3v3_sys";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&vmain_pd>;
		regulator-always-on;
		regulator-boot-on;
	};

	vdd_mmc1: regulator-3 {
		/* TPS22918DBVR */
		compatible = "regulator-fixed";
		regulator-name = "vdd_mmc1";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		enable-active-high;
		vin-supply = <&vcc_3v3_sys>;
		gpio = <&exp1 3 GPIO_ACTIVE_HIGH>;
	};

	vdd_sd_dv: regulator-4 {
		/* Output of TLV71033 */
		compatible = "regulator-gpio";
		regulator-name = "tlv71033";
		pinctrl-names = "default";
		pinctrl-0 = <&vdd_sd_dv_pins_default>;
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		vin-supply = <&vcc_5v0>;
		gpios = <&main_gpio0 31 GPIO_ACTIVE_HIGH>;
		states = <1800000 0x0>,
			 <3300000 0x1>;
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&usr_led_pins_default>;

		led-0 {
			label = "am62-sk:green:heartbeat";
			gpios = <&main_gpio1 49 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
			function = LED_FUNCTION_HEARTBEAT;
			default-state = "off";
		};
	};
};

&main_pmx0 {
	main_uart0_pins_default: main-uart0-pins-default {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x1c8, PIN_INPUT, 0) /* (D14) UART0_RXD */
			AM62X_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (E14) UART0_TXD */
		>;
	};

	main_i2c0_pins_default: main-i2c0-pins-default {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x1e0, PIN_INPUT_PULLUP, 0) /* (B16) I2C0_SCL */
			AM62X_IOPAD(0x1e4, PIN_INPUT_PULLUP, 0) /* (A16) I2C0_SDA */
		>;
	};

	main_i2c1_pins_default: main-i2c1-pins-default {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x1e8, PIN_INPUT_PULLUP, 0) /* (B17) I2C1_SCL */
			AM62X_IOPAD(0x1ec, PIN_INPUT_PULLUP, 0) /* (A17) I2C1_SDA */
		>;
	};

	main_i2c2_pins_default: main-i2c2-pins-default {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x0b0, PIN_INPUT_PULLUP, 1) /* (K22) GPMC0_CSn2.I2C2_SCL */
			AM62X_IOPAD(0x0b4, PIN_INPUT_PULLUP, 1) /* (K24) GPMC0_CSn3.I2C2_SDA */
		>;
	};

	main_mmc0_pins_default: main-mmc0-pins-default {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x220, PIN_INPUT, 0) /* (Y3) MMC0_CMD */
			AM62X_IOPAD(0x218, PIN_INPUT, 0) /* (AB1) MMC0_CLK */
			AM62X_IOPAD(0x214, PIN_INPUT, 0) /* (AA2) MMC0_DAT0 */
			AM62X_IOPAD(0x210, PIN_INPUT, 0) /* (AA1) MMC0_DAT1 */
			AM62X_IOPAD(0x20c, PIN_INPUT, 0) /* (AA3) MMC0_DAT2 */
			AM62X_IOPAD(0x208, PIN_INPUT, 0) /* (Y4) MMC0_DAT3 */
			AM62X_IOPAD(0x204, PIN_INPUT, 0) /* (AB2) MMC0_DAT4 */
			AM62X_IOPAD(0x200, PIN_INPUT, 0) /* (AC1) MMC0_DAT5 */
			AM62X_IOPAD(0x1fc, PIN_INPUT, 0) /* (AD2) MMC0_DAT6 */
			AM62X_IOPAD(0x1f8, PIN_INPUT, 0) /* (AC2) MMC0_DAT7 */
		>;
	};

	main_mmc1_pins_default: main-mmc1-pins-default {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x23c, PIN_INPUT, 0) /* (A21) MMC1_CMD */
			AM62X_IOPAD(0x234, PIN_INPUT, 0) /* (B22) MMC1_CLK */
			AM62X_IOPAD(0x230, PIN_INPUT, 0) /* (A22) MMC1_DAT0 */
			AM62X_IOPAD(0x22c, PIN_INPUT, 0) /* (B21) MMC1_DAT1 */
			AM62X_IOPAD(0x228, PIN_INPUT, 0) /* (C21) MMC1_DAT2 */
			AM62X_IOPAD(0x224, PIN_INPUT, 0) /* (D22) MMC1_DAT3 */
			AM62X_IOPAD(0x240, PIN_INPUT, 0) /* (D17) MMC1_SDCD */
		>;
	};

	usr_led_pins_default: usr-led-pins-default {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x244, PIN_OUTPUT, 7) /* (C17) MMC1_SDWP.GPIO1_49 */
		>;
	};

	main_mdio1_pins_default: main-mdio1-pins-default {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x160, PIN_OUTPUT, 0) /* (AD24) MDIO0_MDC */
			AM62X_IOPAD(0x15c, PIN_INPUT, 0) /* (AB22) MDIO0_MDIO */
		>;
	};

	main_rgmii1_pins_default: main-rgmii1-pins-default {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x14c, PIN_INPUT, 0) /* (AB17) RGMII1_RD0 */
			AM62X_IOPAD(0x150, PIN_INPUT, 0) /* (AC17) RGMII1_RD1 */
			AM62X_IOPAD(0x154, PIN_INPUT, 0) /* (AB16) RGMII1_RD2 */
			AM62X_IOPAD(0x158, PIN_INPUT, 0) /* (AA15) RGMII1_RD3 */
			AM62X_IOPAD(0x148, PIN_INPUT, 0) /* (AD17) RGMII1_RXC */
			AM62X_IOPAD(0x144, PIN_INPUT, 0) /* (AE17) RGMII1_RX_CTL */
			AM62X_IOPAD(0x134, PIN_OUTPUT, 0) /* (AE20) RGMII1_TD0 */
			AM62X_IOPAD(0x138, PIN_OUTPUT, 0) /* (AD20) RGMII1_TD1 */
			AM62X_IOPAD(0x13c, PIN_OUTPUT, 0) /* (AE18) RGMII1_TD2 */
			AM62X_IOPAD(0x140, PIN_OUTPUT, 0) /* (AD18) RGMII1_TD3 */
			AM62X_IOPAD(0x130, PIN_OUTPUT, 0) /* (AE19) RGMII1_TXC */
			AM62X_IOPAD(0x12c, PIN_OUTPUT, 0) /* (AD19) RGMII1_TX_CTL */
		>;
	};

	main_rgmii2_pins_default: main-rgmii2-pins-default {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x184, PIN_INPUT, 0) /* (AE23) RGMII2_RD0 */
			AM62X_IOPAD(0x188, PIN_INPUT, 0) /* (AB20) RGMII2_RD1 */
			AM62X_IOPAD(0x18c, PIN_INPUT, 0) /* (AC21) RGMII2_RD2 */
			AM62X_IOPAD(0x190, PIN_INPUT, 0) /* (AE22) RGMII2_RD3 */
			AM62X_IOPAD(0x180, PIN_INPUT, 0) /* (AD23) RGMII2_RXC */
			AM62X_IOPAD(0x17c, PIN_INPUT, 0) /* (AD22) RGMII2_RX_CTL */
			AM62X_IOPAD(0x16c, PIN_OUTPUT, 0) /* (Y18) RGMII2_TD0 */
			AM62X_IOPAD(0x170, PIN_OUTPUT, 0) /* (AA18) RGMII2_TD1 */
			AM62X_IOPAD(0x174, PIN_OUTPUT, 0) /* (AD21) RGMII2_TD2 */
			AM62X_IOPAD(0x178, PIN_OUTPUT, 0) /* (AC20) RGMII2_TD3 */
			AM62X_IOPAD(0x168, PIN_OUTPUT, 0) /* (AE21) RGMII2_TXC */
			AM62X_IOPAD(0x164, PIN_OUTPUT, 0) /* (AA19) RGMII2_TX_CTL */
		>;
	};

	ospi0_pins_default: ospi0-pins-default {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x000, PIN_OUTPUT, 0) /* (H24) OSPI0_CLK */
			AM62X_IOPAD(0x02c, PIN_OUTPUT, 0) /* (F23) OSPI0_CSn0 */
			AM62X_IOPAD(0x00c, PIN_INPUT, 0) /* (E25) OSPI0_D0 */
			AM62X_IOPAD(0x010, PIN_INPUT, 0) /* (G24) OSPI0_D1 */
			AM62X_IOPAD(0x014, PIN_INPUT, 0) /* (F25) OSPI0_D2 */
			AM62X_IOPAD(0x018, PIN_INPUT, 0) /* (F24) OSPI0_D3 */
			AM62X_IOPAD(0x01c, PIN_INPUT, 0) /* (J23) OSPI0_D4 */
			AM62X_IOPAD(0x020, PIN_INPUT, 0) /* (J25) OSPI0_D5 */
			AM62X_IOPAD(0x024, PIN_INPUT, 0) /* (H25) OSPI0_D6 */
			AM62X_IOPAD(0x028, PIN_INPUT, 0) /* (J22) OSPI0_D7 */
			AM62X_IOPAD(0x008, PIN_INPUT, 0) /* (J24) OSPI0_DQS */
		>;
	};

	vdd_sd_dv_pins_default: vdd-sd-dv-pins-default {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x07c, PIN_OUTPUT, 7) /* (P25) GPMC0_CLK.GPIO0_31 */
		>;
	};

	main_gpio1_ioexp_intr_pins_default: main-gpio1-ioexp-intr-pins-default {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x01d4, PIN_INPUT, 7) /* (B15) UART0_RTSn.GPIO1_23 */
		>;
	};
};

&wkup_uart0 {
	/* WKUP UART0 is used by DM firmware */
	status = "reserved";
};

&mcu_uart0 {
	status = "disabled";
};

&main_uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&main_uart0_pins_default>;
};

&main_uart1 {
	/* Main UART1 is used by TIFS firmware */
	status = "reserved";
};

&main_uart2 {
	status = "disabled";
};

&main_uart3 {
	status = "disabled";
};

&main_uart4 {
	status = "disabled";
};

&main_uart5 {
	status = "disabled";
};

&main_uart6 {
	status = "disabled";
};

&mcu_i2c0 {
	status = "disabled";
};

&wkup_i2c0 {
	status = "disabled";
};

&main_i2c0 {
	status = "disabled";
	pinctrl-0 = <&main_i2c0_pins_default>;
	clock-frequency = <400000>;
};

&main_i2c1 {
	status = "disabled";
	pinctrl-0 = <&main_i2c1_pins_default>;
	clock-frequency = <400000>;

	exp1: gpio@22 {
		compatible = "ti,tca6424";
		reg = <0x22>;
		gpio-controller;
		#gpio-cells = <2>;
		gpio-line-names = "GPIO_CPSW2_RST", "GPIO_CPSW1_RST",
				   "PRU_DETECT", "MMC1_SD_EN",
				   "VPP_LDO_EN", "EXP_PS_3V3_En",
				   "EXP_PS_5V0_En", "EXP_HAT_DETECT",
				   "GPIO_AUD_RSTn", "GPIO_eMMC_RSTn",
				   "UART1_FET_BUF_EN", "WL_LT_EN",
				   "GPIO_HDMI_RSTn", "CSI_GPIO1",
				   "CSI_GPIO2", "PRU_3V3_EN",
				   "HDMI_INTn", "TEST_GPIO2",
				   "MCASP1_FET_EN", "MCASP1_BUF_BT_EN",
				   "MCASP1_FET_SEL", "UART1_FET_SEL",
				   "TSINT#", "IO_EXP_TEST_LED";

		interrupt-parent = <&main_gpio1>;
		interrupts = <23 IRQ_TYPE_EDGE_FALLING>;
		interrupt-controller;
		#interrupt-cells = <2>;

		pinctrl-names = "default";
		pinctrl-0 = <&main_gpio1_ioexp_intr_pins_default>;
	};
};

&main_i2c2 {
	status = "disabled";
};

&main_i2c3 {
	status = "disabled";
};

&sdhci0 {
	pinctrl-names = "default";
	pinctrl-0 = <&main_mmc0_pins_default>;
	ti,driver-strength-ohm = <50>;
	disable-wp;
};

&sdhci1 {
	/* SD/MMC */
	vmmc-supply = <&vdd_mmc1>;
	vqmmc-supply = <&vdd_sd_dv>;
	pinctrl-names = "default";
	pinctrl-0 = <&main_mmc1_pins_default>;
	ti,driver-strength-ohm = <50>;
	disable-wp;
};

&cpsw3g {
	pinctrl-names = "default";
	pinctrl-0 = <&main_mdio1_pins_default
		     &main_rgmii1_pins_default
		     &main_rgmii2_pins_default>;
};

&cpsw_port1 {
	phy-mode = "rgmii-rxid";
	phy-handle = <&cpsw3g_phy0>;
};

&cpsw_port2 {
	phy-mode = "rgmii-rxid";
	phy-handle = <&cpsw3g_phy1>;
};

&cpsw3g_mdio {
	cpsw3g_phy0: ethernet-phy@0 {
		reg = <0>;
		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
		ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
		ti,min-output-impedance;
	};

	cpsw3g_phy1: ethernet-phy@1 {
		reg = <1>;
		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
		ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
		ti,min-output-impedance;
	};
};

&mailbox0_cluster0 {
	mbox_m4_0: mbox-m4-0 {
		ti,mbox-rx = <0 0 0>;
		ti,mbox-tx = <1 0 0>;
	};
};

&ospi0 {
	pinctrl-names = "default";
	pinctrl-0 = <&ospi0_pins_default>;

	flash@0{
		compatible = "jedec,spi-nor";
		reg = <0x0>;
		spi-tx-bus-width = <8>;
		spi-rx-bus-width = <8>;
		spi-max-frequency = <25000000>;
		cdns,tshsl-ns = <60>;
		cdns,tsd2d-ns = <60>;
		cdns,tchsh-ns = <60>;
		cdns,tslch-ns = <60>;
		cdns,read-delay = <4>;

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

			partition@0 {
				label = "ospi.tiboot3";
				reg = <0x0 0x80000>;
			};

			partition@80000 {
				label = "ospi.tispl";
				reg = <0x80000 0x200000>;
			};

			partition@280000 {
				label = "ospi.u-boot";
				reg = <0x280000 0x400000>;
			};

			partition@680000 {
				label = "ospi.env";
				reg = <0x680000 0x40000>;
			};

			partition@6c0000 {
				label = "ospi.env.backup";
				reg = <0x6c0000 0x40000>;
			};

			partition@800000 {
				label = "ospi.rootfs";
				reg = <0x800000 0x37c0000>;
			};

			partition@3fc0000 {
				label = "ospi.phypattern";
				reg = <0x3fc0000 0x40000>;
			};
		};
	};
};

&ecap0 {
	status = "disabled";
};

&ecap1 {
	status = "disabled";
};

&ecap2 {
	status = "disabled";
};

&main_mcan0 {
	status = "disabled";
};