Commit 4543e286 authored by Andrejs Cainikovs's avatar Andrejs Cainikovs Committed by Vignesh Raghavendra
Browse files

arm64: dts: ti: verdin-am62: add support for Verdin USB1 interface 



Add support for Verdin USB1 interface, implements role switch
functionality using "gpio-usb-b-connector", VBUS is also now
controlled with "regulator-fixed" using a standard GPIO.

Signed-off-by: default avatarAndrejs Cainikovs <andrejs.cainikovs@toradex.com>
Reviewed-by: default avatarFrancesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20240209130106.38739-1-andrejs.cainikovs@gmail.com


Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
parent c094c536

arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi

+44 −11
Original line number Diff line number Diff line
@@ -42,6 +42,22 @@ aliases { 
		usb1 = &usb1;

	};



	connector {

		compatible = "gpio-usb-b-connector", "usb-b-connector";

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_usb0_id>;

		id-gpios = <&main_gpio1 19 GPIO_ACTIVE_HIGH>;

		label = "USB_1";

		self-powered;

		vbus-supply = <&reg_usb0_vbus>;



		port {

			usb_dr_connector: endpoint {

				remote-endpoint = <&usb0_ep>;

			};

		};

	};



	verdin_gpio_keys: gpio-keys {

		compatible = "gpio-keys";

		pinctrl-names = "default";
@@ -151,6 +167,18 @@ reg_sdhc1_vqmmc: regulator-sdhci1-vqmmc { 
		vin-supply = <&reg_sd_3v3_1v8>;

	};



	reg_usb0_vbus: regulator-usb0-vbus {

		compatible = "regulator-fixed";

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_usb0_en>;

		enable-active-high;

		/* Verdin USB_1_EN (SODIMM 155) */

		gpio = <&main_gpio1 50 GPIO_ACTIVE_HIGH>;

		regulator-max-microvolt = <5000000>;

		regulator-min-microvolt = <5000000>;

		regulator-name = "USB_1_EN";

	};



	reserved-memory {

		#address-cells = <2>;

		#size-cells = <2>;
@@ -436,6 +464,13 @@ AM62X_IOPAD(0x0244, PIN_INPUT_PULLUP, 7) /* (C17) MMC1_SDWP.GPIO1_49 */ /* SODIM 
		>;

	};



	/* Verdin USB_1_EN */

	pinctrl_usb0_en: main-gpio1-50-default-pins {

		pinctrl-single,pins = <

			AM62X_IOPAD(0x0254, PIN_INPUT, 7) /* (C20) USB0_DRVVBUS.GPIO1_50 */ /* SODIMM 155 */

		>;

	};



	/* On-module I2C - PMIC_I2C */

	pinctrl_i2c0: main-i2c0-default-pins {

		pinctrl-single,pins = <
@@ -660,13 +695,6 @@ AM62X_IOPAD(0x0038, PIN_OUTPUT, 5) /* (E24) OSPI0_CSn3.UART5_TXD */ /* 
		>;

	};



	/* Verdin USB_1 */

	pinctrl_usb0: main-usb0-default-pins {

		pinctrl-single,pins = <

			AM62X_IOPAD(0x0254, PIN_OUTPUT, 0) /* (C20) USB0_DRVVBUS */ /* SODIMM 155 */

		>;

	};



	/* Verdin USB_2 */

	pinctrl_usb1: main-usb1-default-pins {

		pinctrl-single,pins = <
@@ -1013,7 +1041,7 @@ &main_gpio1 { 
		"",

		"",

		"SODIMM_17",

		"", /* 50 */

		"SODIMM_155", /* 50 */

		"",

		"",

		"",
@@ -1428,11 +1456,16 @@ &usbss0 { 
	status = "disabled";

};



/* TODO: role swich using ID pin */

&usb0 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_usb0>, <&pinctrl_usb0_id>;

	adp-disable;

	usb-role-switch;

	status = "disabled";



	port {

		usb0_ep: endpoint {

			remote-endpoint = <&usb_dr_connector>;

		};

	};

};



/* Verdin USB_2 */