Commit 00fb4c73 authored by Vignesh Raghavendra's avatar Vignesh Raghavendra
Browse files

arm64: dts: ti: k3-am62l: add initial reference board file 



Add the initial board file for the AM62L3's Evaluation Module.

Reviewed-by: default avatarDhruva Gole <d-gole@ti.com>
Signed-off-by: default avatarBryan Brattlof <bb@ti.com>
Link: https://patch.msgid.link/20251105-am62lx-v8-3-496f353e8237@ti.com


Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
parent 5f016758

arch/arm64/boot/dts/ti/Makefile

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@@ -37,6 +37,9 @@ dtb-$(CONFIG_ARCH_K3) += k3-am62a7-phyboard-lyra-rdk.dtb 
# Boards with AM62Dx SoC

dtb-$(CONFIG_ARCH_K3) += k3-am62d2-evm.dtb



# Boards with AM62Lx SoCs

dtb-$(CONFIG_ARCH_K3) += k3-am62l3-evm.dtb



# Boards with AM62Px SoC

dtb-$(CONFIG_ARCH_K3) += k3-am62p5-sk.dtb

dtb-$(CONFIG_ARCH_K3) += k3-am62p5-var-som-symphony.dtb

arch/arm64/boot/dts/ti/k3-am62l3-evm.dts

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+361 −0
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// SPDX-License-Identifier: GPL-2.0-only or MIT

/*

 * Device Tree file for the AM62L3 Evaluation Module

 * Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com/

 *

 * Technical Reference Manual: https://www.ti.com/lit/pdf/sprujb4

 * Data Sheet: https://www.ti.com/lit/pdf/sprspa1

 */



/dts-v1/;



#include <dt-bindings/gpio/gpio.h>

#include <dt-bindings/input/input.h>

#include <dt-bindings/leds/common.h>

#include <dt-bindings/net/ti-dp83867.h>

#include <dt-bindings/thermal/thermal.h>

#include "k3-am62l3.dtsi"

#include "k3-pinctrl.h"



/ {

	compatible = "ti,am62l3-evm", "ti,am62l3";

	model = "Texas Instruments AM62L3 Evaluation Module";



	chosen {

		stdout-path = &uart0;

	};



	memory@80000000 {

		reg = <0x00000000 0x80000000 0x00000000 0x80000000>;

		device_type = "memory";

		bootph-all;

	};



	gpio_keys: gpio-keys {

		compatible = "gpio-keys";

		autorepeat;

		pinctrl-names = "default";

		pinctrl-0 = <&usr_button_pins_default>;



		usr: button-usr {

			label = "User Key";

			linux,code = <BTN_0>;

			gpios = <&gpio0 90 GPIO_ACTIVE_LOW>;

		};

	};



	leds {

		compatible = "gpio-leds";

		pinctrl-names = "default";

		pinctrl-0 = <&usr_led_pins_default>;



		led-0 {

			label = "am62-sk:green:heartbeat";

			gpios = <&gpio0 123 GPIO_ACTIVE_HIGH>;

			linux,default-trigger = "heartbeat";

			function = LED_FUNCTION_HEARTBEAT;

			default-state = "on";

		};

	};



	thermal-zones {

		wkup0-thermal {

			polling-delay-passive = <250>;	/* milliSeconds */

			polling-delay = <500>;		/* milliSeconds */

			thermal-sensors = <&vtm0 0>;



			trips {

				crit0 {

					temperature = <125000>;

					hysteresis = <2000>;

					type = "critical";

				};

			};

		};

	};



	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;

		bootph-all;

	};



	vcc_3v3_sys: regulator-1 {

		/* 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-2 {

		/* 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>;

		bootph-all;

	};



	vcc_1v8: regulator-3 {

		/* output of TPS6282518DMQ */

		compatible = "regulator-fixed";

		regulator-name = "vcc_1v8";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <1800000>;

		vin-supply = <&vcc_3v3_sys>;

		regulator-always-on;

		regulator-boot-on;

	};

};



&gpio0 {

	bootph-all;

};



&i2c0 {

	pinctrl-names = "default";

	pinctrl-0 = <&i2c0_pins_default>;

	clock-frequency = <400000>;

	status = "okay";



	eeprom@51 {

		/* AT24C512C-MAHM-T or M24512-DFMC6TG */

		compatible = "atmel,24c512";

		reg = <0x51>;

	};

};



&i2c1 {

	pinctrl-names = "default";

	pinctrl-0 = <&i2c1_pins_default>;

	clock-frequency = <100000>;

	status = "okay";



	exp1: gpio@22 {

		compatible = "ti,tca6424";

		reg = <0x22>;

		gpio-controller;

		#gpio-cells = <2>;

		gpio-line-names = "", "",

				  "UART1_FET_SEL", "MMC1_SD_EN",

				  "VPP_LDO_EN", "EXP_PS_3V3_EN",

				  "UART1_FET_BUF_EN", "", "",

				  "", "DSI_GPIO0", "DSI_GPIO1",

				  "", "BT_UART_WAKE_SOC_3V3",

				  "USB_TYPEA_OC_INDICATION", "",

				  "", "WLAN_ALERTn", "", "",

				  "HDMI_INTn", "TEST_GPIO2",

				  "MCASP0_FET_EN", "MCASP0_BUF_BT_EN",

				  "MCASP0_FET_SEL", "DSI_EDID",

				  "PD_I2C_IRQ", "IO_EXP_TEST_LED";



		interrupt-parent = <&gpio0>;

		interrupts = <91 IRQ_TYPE_EDGE_FALLING>;

		interrupt-controller;

		#interrupt-cells = <2>;



		pinctrl-names = "default";

		pinctrl-0 = <&gpio0_ioexp_intr_pins_default>;

		bootph-all;

	};



	exp2: gpio@23 {

		compatible = "ti,tca6424";

		reg = <0x23>;

		gpio-controller;

		#gpio-cells = <2>;

		gpio-line-names = "BT_EN_SOC", "VOUT0_FET_SEL0",

				  "", "",

				  "", "",

				  "", "",

				  "WL_LT_EN", "EXP_PS_5V0_EN",

				  "TP45", "TP48",

				  "TP46", "TP49",

				  "TP47", "TP50",

				  "GPIO_QSPI_NAND_RSTn", "GPIO_HDMI_RSTn",

				  "GPIO_CPSW1_RST", "GPIO_CPSW2_RST",

				  "", "GPIO_AUD_RSTn",

				  "GPIO_eMMC_RSTn", "SoC_WLAN_SDIO_RST";

		bootph-all;

	};



};



&i2c2 {

	pinctrl-names = "default";

	pinctrl-0 = <&i2c2_pins_default>;

	clock-frequency = <400000>;

	status = "okay";



	typec_pd0: tps658x@3f {

		compatible = "ti,tps6598x";

		reg = <0x3f>;



		connector {

			compatible = "usb-c-connector";

			label = "USB-C";

			self-powered;

			data-role = "dual";

			power-role = "sink";



			port {

				usb_con_hs: endpoint {

					remote-endpoint = <&usb0_hs_ep>;

				};

			};

		};

	};

};



&pmx0 {

	gpio0_ioexp_intr_pins_default: gpio0-ioexp-intr-default-pins {

		pinctrl-single,pins = <

			AM62LX_IOPAD(0x01b0, PIN_INPUT, 7) /* (B12) SPI0_D1.GPIO0_91 */

		>;

		bootph-all;

	};



	i2c0_pins_default: i2c0-default-pins {

		pinctrl-single,pins = <

			AM62LX_IOPAD(0x01cc, PIN_INPUT_PULLUP, 0) /* (B7) I2C0_SCL */

			AM62LX_IOPAD(0x01d0, PIN_INPUT_PULLUP, 0) /* (A7) I2C0_SDA */

		>;

		bootph-all;

	};



	i2c1_pins_default: i2c1-default-pins {

		pinctrl-single,pins = <

			AM62LX_IOPAD(0x01d4, PIN_INPUT_PULLUP, 0) /* (D7) I2C1_SCL */

			AM62LX_IOPAD(0x01d8, PIN_INPUT_PULLUP, 0) /* (A6) I2C1_SDA */

		>;

		bootph-all;

	};



	i2c2_pins_default: i2c2-default-pins {

		pinctrl-single,pins = <

			AM62LX_IOPAD(0x01dc, PIN_INPUT_PULLUP, 0) /* (B8) I2C2_SCL */

			AM62LX_IOPAD(0x01e0, PIN_INPUT_PULLUP, 0) /* (D8) I2C2_SDA */

		>;

	};



	mmc0_pins_default: mmc0-default-pins {

		pinctrl-single,pins = <

			AM62LX_IOPAD(0x0214, PIN_INPUT_PULLUP, 0) /* (D2) MMC0_CMD */

			AM62LX_IOPAD(0x020c, PIN_OUTPUT, 0) /* (B2) MMC0_CLK */

			AM62LX_IOPAD(0x0208, PIN_INPUT_PULLUP, 0) /* (D3) MMC0_DAT0 */

			AM62LX_IOPAD(0x0204, PIN_INPUT_PULLUP, 0) /* (D4) MMC0_DAT1 */

			AM62LX_IOPAD(0x0200, PIN_INPUT_PULLUP, 0) /* (C1) MMC0_DAT2 */

			AM62LX_IOPAD(0x01fc, PIN_INPUT_PULLUP, 0) /* (C2) MMC0_DAT3 */

			AM62LX_IOPAD(0x01f8, PIN_INPUT_PULLUP, 0) /* (C4) MMC0_DAT4 */

			AM62LX_IOPAD(0x01f4, PIN_INPUT_PULLUP, 0) /* (B3) MMC0_DAT5 */

			AM62LX_IOPAD(0x01f0, PIN_INPUT_PULLUP, 0) /* (A3) MMC0_DAT6 */

			AM62LX_IOPAD(0x01ec, PIN_INPUT_PULLUP, 0) /* (B4) MMC0_DAT7 */

		>;

		bootph-all;

	};



	mmc1_pins_default: mmc1-default-pins {

		pinctrl-single,pins = <

			AM62LX_IOPAD(0x0230, PIN_INPUT, 0) /* (Y3) MMC1_CMD */

			AM62LX_IOPAD(0x0228, PIN_OUTPUT, 0) /* (Y2) MMC1_CLK */

			AM62LX_IOPAD(0x0224, PIN_INPUT, 0) /* (AA1) MMC1_DAT0 */

			AM62LX_IOPAD(0x0220, PIN_INPUT_PULLUP, 0) /* (Y4) MMC1_DAT1 */

			AM62LX_IOPAD(0x021c, PIN_INPUT_PULLUP, 0) /* (AA2) MMC1_DAT2 */

			AM62LX_IOPAD(0x0218, PIN_INPUT_PULLUP, 0) /* (AB2) MMC1_DAT3 */

			AM62LX_IOPAD(0x0234, PIN_INPUT, 0) /* (B6) MMC1_SDCD */

		>;

		bootph-all;

	};



	uart0_pins_default: uart0-default-pins {

		pinctrl-single,pins = <

			AM62LX_IOPAD(0x01b4, PIN_INPUT, 0) /* (D13) UART0_RXD */

			AM62LX_IOPAD(0x01b8, PIN_OUTPUT, 0) /* (C13) UART0_TXD */

		>;

		bootph-all;

	};



	usb1_default_pins: usb1-default-pins {

		pinctrl-single,pins = <

			AM62LX_IOPAD(0x0248, PIN_INPUT | PIN_DS_PULLUD_ENABLE | PIN_DS_PULL_UP, 0) /* (A5) USB1_DRVVBUS */

		>;

	};



	usr_button_pins_default: usr-button-default-pins {

		pinctrl-single,pins = <

			AM62LX_IOPAD(0x01ac, PIN_INPUT, 7) /* (E12) SPI0_D0.GPIO0_90 */

		>;

	};



	usr_led_pins_default: usr-led-default-pins {

		pinctrl-single,pins = <

			AM62LX_IOPAD(0x0238, PIN_OUTPUT, 7) /* (D24) MMC1_SDWP.GPIO0_123 */

		>;

	};



};



&sdhci0 {

	/* eMMC */

	pinctrl-names = "default";

	pinctrl-0 = <&mmc0_pins_default>;

	non-removable;

	status = "okay";

	bootph-all;

};



&sdhci1 {

	/* SD/MMC */

	pinctrl-names = "default";

	pinctrl-0 = <&mmc1_pins_default>;

	vmmc-supply = <&vdd_mmc1>;

	disable-wp;

	status = "okay";

	bootph-all;

};



&uart0 {

	pinctrl-0 = <&uart0_pins_default>;

	pinctrl-names = "default";

	status = "okay";

	bootph-all;

};



&usbss0 {

	status = "okay";

	ti,vbus-divider;

};



&usb0 {

	usb-role-switch;



	port {

		usb0_hs_ep: endpoint {

			remote-endpoint = <&usb_con_hs>;

		};

	};

};



&usbss1 {

	status = "okay";

	ti,vbus-divider;

};



&usb1 {

	dr_mode = "host";

	pinctrl-names = "default";

	pinctrl-0 = <&usb1_default_pins>;

};