u-boot/arch/arm/dts/k3-am68-sk-base-board.dts

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
 *
 * Base Board: **Yet to Add**
 */

/dts-v1/;

#include "k3-am68-sk-som.dtsi"
#include <dt-bindings/net/ti-dp83867.h>
#include <dt-bindings/phy/phy-cadence.h>
#include <dt-bindings/phy/phy.h>

/ {
	compatible = "ti,am68-sk", "ti,j721s2";
	model = "Texas Instruments AM68 SK";

	chosen {
		stdout-path = "serial2:115200n8";
		bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x2880000";
	};

	aliases {
		serial2 = &main_uart8;
		mmc1 = &main_sdhci1;
	};

	vusb_main: fixedregulator-vusb-main5v0 {
		/* USB MAIN INPUT 5V DC */
		compatible = "regulator-fixed";
		regulator-name = "vusb-main5v0";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
		regulator-boot-on;
	};

	vsys_3v3: fixedregulator-vsys3v3 {
		/* Output of LM5141 */
		compatible = "regulator-fixed";
		regulator-name = "vsys_3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&vusb_main>;
		regulator-always-on;
		regulator-boot-on;
	};

	vdd_mmc1: fixedregulator-sd {
		/* Output of TPS22918 */
		compatible = "regulator-fixed";
		regulator-name = "vdd_mmc1";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		enable-active-high;
		vin-supply = <&vsys_3v3>;
		gpio = <&exp1 10 GPIO_ACTIVE_HIGH>;
	};

	vdd_sd_dv: gpio-regulator-TLV71033 {
		/* 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 = <&vsys_3v3>;
		gpios = <&main_gpio0 49 GPIO_ACTIVE_HIGH>;
		states = <1800000 0x0>,
			 <3300000 0x1>;
	};
};

&main_pmx0 {
	main_uart8_pins_default: main-uart8-pins-default {
		pinctrl-single,pins = <
			J721S2_IOPAD(0x040, PIN_INPUT, 14) /* (AC28) MCASP0_AXR0.UART8_CTSn */
			J721S2_IOPAD(0x044, PIN_OUTPUT, 14) /* (Y26) MCASP0_AXR1.UART8_RTSn */
			J721S2_IOPAD(0x0d0, PIN_INPUT, 11) /* (AF26) SPI0_CS1.UART8_RXD */
			J721S2_IOPAD(0x0d4, PIN_OUTPUT, 11) /* (AH27) SPI0_CLK.UART8_TXD */
		>;
	};

	main_i2c0_pins_default: i2c0-pins-default {
		pinctrl-single,pins = <
			J721S2_IOPAD(0x0e0, PIN_INPUT_PULLUP, 0) /* (AH25) I2C0_SCL */
			J721S2_IOPAD(0x0e4, PIN_INPUT_PULLUP, 0) /* (AE24) I2C0_SDA */
		>;
	};

	main_mmc1_pins_default: main-mmc1-pins-default {
		pinctrl-single,pins = <
			J721S2_IOPAD(0x104, PIN_INPUT, 0) /* (P23) MMC1_CLK */
			J721S2_IOPAD(0x108, PIN_INPUT, 0) /* (N24) MMC1_CMD */
			J721S2_IOPAD(0x100, PIN_INPUT, 0) /* (###) MMC1_CLKLB */
			J721S2_IOPAD(0x0fc, PIN_INPUT, 0) /* (M23) MMC1_DAT0 */
			J721S2_IOPAD(0x0f8, PIN_INPUT, 0) /* (P24) MMC1_DAT1 */
			J721S2_IOPAD(0x0f4, PIN_INPUT, 0) /* (R24) MMC1_DAT2 */
			J721S2_IOPAD(0x0f0, PIN_INPUT, 0) /* (R22) MMC1_DAT3 */
			J721S2_IOPAD(0x0e8, PIN_INPUT, 8) /* (AE25) TIMER_IO0.MMC1_SDCD */
		>;
	};

	vdd_sd_dv_pins_default: vdd-sd-dv-pins-default {
		pinctrl-single,pins = <
			J721S2_IOPAD(0x0c4, PIN_INPUT, 7) /* (AB26) ECAP0_IN_APWM_OUT.GPIO0_49 */
		>;
	};
};

&wkup_pmx0 {
	mcu_cpsw_pins_default: mcu-cpsw-pins-default {
		pinctrl-single,pins = <
			J721S2_WKUP_IOPAD(0x094, PIN_INPUT, 0) /* (B22) MCU_RGMII1_RD0 */
			J721S2_WKUP_IOPAD(0x090, PIN_INPUT, 0) /* (B21) MCU_RGMII1_RD1 */
			J721S2_WKUP_IOPAD(0x08c, PIN_INPUT, 0) /* (C22) MCU_RGMII1_RD2 */
			J721S2_WKUP_IOPAD(0x088, PIN_INPUT, 0) /* (D23) MCU_RGMII1_RD3 */
			J721S2_WKUP_IOPAD(0x084, PIN_INPUT, 0) /* (D22) MCU_RGMII1_RXC */
			J721S2_WKUP_IOPAD(0x06c, PIN_INPUT, 0) /* (E23) MCU_RGMII1_RX_CTL */
			J721S2_WKUP_IOPAD(0x07c, PIN_OUTPUT, 0) /* (F23) MCU_RGMII1_TD0 */
			J721S2_WKUP_IOPAD(0x078, PIN_OUTPUT, 0) /* (G22) MCU_RGMII1_TD1 */
			J721S2_WKUP_IOPAD(0x074, PIN_OUTPUT, 0) /* (E21) MCU_RGMII1_TD2 */
			J721S2_WKUP_IOPAD(0x070, PIN_OUTPUT, 0) /* (E22) MCU_RGMII1_TD3 */
			J721S2_WKUP_IOPAD(0x080, PIN_OUTPUT, 0) /* (F21) MCU_RGMII1_TXC */
			J721S2_WKUP_IOPAD(0x068, PIN_OUTPUT, 0) /* (F22) MCU_RGMII1_TX_CTL */
		>;
	};

	mcu_mdio_pins_default: mcu-mdio-pins-default {
		pinctrl-single,pins = <
			J721S2_WKUP_IOPAD(0x09c, PIN_OUTPUT, 0) /* (A21) MCU_MDIO0_MDC */
			J721S2_WKUP_IOPAD(0x098, PIN_INPUT, 0) /* (A22) MCU_MDIO0_MDIO */
		>;
	};
};

&main_gpio2 {
	status = "disabled";
};

&main_gpio4 {
	status = "disabled";
};

&main_gpio6 {
	status = "disabled";
};

&wkup_gpio1 {
	status = "disabled";
};

&wkup_uart0 {
	status = "reserved";
};

&main_uart0 {
	status = "disabled";
};

&main_uart1 {
	status = "disabled";
};

&main_uart2 {
	status = "disabled";
};

&main_uart3 {
	status = "disabled";
};

&main_uart4 {
	status = "disabled";
};

&main_uart5 {
	status = "disabled";
};

&main_uart6 {
	status = "disabled";
};

&main_uart7 {
	status = "disabled";
};

&main_uart8 {
	pinctrl-names = "default";
	pinctrl-0 = <&main_uart8_pins_default>;
	/* Shared with TFA on this platform */
	power-domains = <&k3_pds 357 TI_SCI_PD_SHARED>;
};

&main_uart9 {
	status = "disabled";
};

&main_i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&main_i2c0_pins_default>;
	clock-frequency = <400000>;

	exp1: gpio@21 {
		compatible = "ti,tca6416";
		reg = <0x21>;
		gpio-controller;
		#gpio-cells = <2>;
		gpio-line-names = "CSI_VIO_SEL", "CSI_SEL_FPC_EXPN", "HDMI_PDN",
				  "HDMI_LS_OE", "DP0_3V3_EN", "BOARDID_EEPROM_WP",
				  "CAN_STB", "","GPIO_uSD_PWR_EN", "EDP_ENABLE",
				  "IO_EXP_PCIE1_M2_RSTZ", "IO_EXP_MCU_RGMII_RSTZ",
				  "IO_EXP_CSI1_EXP_RSTZ", "","CSI0_B_GPIO1",
				  "CSI1_B_GPIO1";
	};
};

&main_i2c1 {
	status = "disabled";
};

&main_i2c2 {
	status = "disabled";
};

&main_i2c3 {
	status = "disabled";
};

&main_i2c4 {
	status = "disabled";
};

&main_i2c5 {
	status = "disabled";
};

&main_i2c6 {
	status = "disabled";
};

&main_sdhci0 {
	status = "disabled";
};

&main_sdhci1 {
	/* SD card */
	pinctrl-0 = <&main_mmc1_pins_default>;
	pinctrl-names = "default";
	disable-wp;
	vmmc-supply = <&vdd_mmc1>;
	vqmmc-supply = <&vdd_sd_dv>;
};

&mcu_cpsw {
	pinctrl-names = "default";
	pinctrl-0 = <&mcu_cpsw_pins_default &mcu_mdio_pins_default>;
};

&davinci_mdio {
	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;
	};
};

&cpsw_port1 {
	phy-mode = "rgmii-rxid";
	phy-handle = <&phy0>;
};

&mcu_mcan0 {
	status = "disabled";
};

&mcu_mcan1 {
	status = "disabled";
};

&main_mcan0 {
	status = "disabled";
};

&main_mcan1 {
	status = "disabled";
};

&main_mcan2 {
	status = "disabled";
};

&main_mcan3 {
	status = "disabled";
};

&main_mcan4 {
	status = "disabled";
};

&main_mcan5 {
	status = "disabled";
};

&main_mcan6 {
	status = "disabled";
};

&main_mcan7 {
	status = "disabled";
};

&main_mcan8 {
	status = "disabled";
};

&main_mcan9 {
	status = "disabled";
};

&main_mcan10 {
	status = "disabled";
};

&main_mcan11 {
	status = "disabled";
};

&main_mcan12 {
	status = "disabled";
};

&main_mcan13 {
	status = "disabled";
};

&main_mcan14 {
	status = "disabled";
};

&main_mcan15 {
	status = "disabled";
};

&main_mcan17 {
	status = "disabled";
};