src/arm64/ti/k3-am64-phycore-som.dtsi

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2021 PHYTEC America, LLC - https://www.phytec.com
 * Author: Matt McKee <mmckee@phytec.com>
 *
 * Copyright (C) 2022 PHYTEC Messtechnik GmbH
 * Author: Wadim Egorov <w.egorov@phytec.de>
 *
 * Product homepage:
 * https://www.phytec.com/product/phycore-am64x
 */

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

/ {
	model = "PHYTEC phyCORE-AM64x";
	compatible = "phytec,am64-phycore-som", "ti,am642";

	aliases {
		ethernet0 = &cpsw_port1;
		mmc0 = &sdhci0;
		rtc0 = &i2c_som_rtc;
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
	};

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

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

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

		led-0 {
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&main_gpio0 12 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
			function = LED_FUNCTION_HEARTBEAT;
		};
	};

	vcc_5v0_som: regulator-vcc-5v0-som {
		/* VIN / VCC_5V0_SOM */
		compatible = "regulator-fixed";
		regulator-name = "VCC_5V0_SOM";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
		regulator-boot-on;
	};
};

&main_pmx0 {
	cpsw_mdio_pins_default: cpsw-mdio-default-pins {
		pinctrl-single,pins = <
			AM64X_IOPAD(0x01f8, PIN_INPUT, 4)	/* (P5) PRG0_PRU1_GPO18.MDIO0_MDIO */
			AM64X_IOPAD(0x01fc, PIN_OUTPUT, 4)	/* (R2) PRG0_PRU1_GPO19.MDIO0_MDC */
			AM64X_IOPAD(0x0100, PIN_OUTPUT, 7)	/* (V7) PRG1_PRU0_GPO18.GPIO0_63 */
		>;
	};

	cpsw_rgmii1_pins_default: cpsw-rgmii1-default-pins {
		pinctrl-single,pins = <
			AM64X_IOPAD(0x0184, PIN_INPUT, 4)	/* (W6) PRG0_PRU0_GPO9.RGMII1_RX_CTL */
			AM64X_IOPAD(0x0188, PIN_INPUT, 4)	/* (AA5) PRG0_PRU0_GPO10.RGMII1_RXC */
			AM64X_IOPAD(0x00dc, PIN_OUTPUT, 4)	/* (U15) PRG1_PRU0_GPO9.RGMII1_TX_CTL */
			AM64X_IOPAD(0x00e0, PIN_OUTPUT, 4)	/* (U14) PRG1_PRU0_GPO10.RGMII1_TXC */
			AM64X_IOPAD(0x01cc, PIN_INPUT, 4)	/* (W5) PRG0_PRU1_GPO7.RGMII1_RD0 */
			AM64X_IOPAD(0x0124, PIN_OUTPUT, 4)	/* (V15) PRG1_PRU1_GPO7.RGMII1_TD0 */
			AM64X_IOPAD(0x01d4, PIN_INPUT, 4)	/* (Y5) PRG0_PRU1_GPO9.RGMII1_RD1 */
			AM64X_IOPAD(0x012c, PIN_OUTPUT, 4)	/* (V14) PRG1_PRU1_GPO9.RGMII1_TD1 */
			AM64X_IOPAD(0x01d8, PIN_INPUT, 4)	/* (V6) PRG0_PRU1_GPO10.RGMII1_RD2 */
			AM64X_IOPAD(0x0130, PIN_OUTPUT, 4)	/* (W14) PRG1_PRU1_GPO10.RGMII1_TD2 */
			AM64X_IOPAD(0x01f4, PIN_INPUT, 4)	/* (V5) PRG0_PRU1_GPO17.RGMII1_RD3 */
			AM64X_IOPAD(0x014c, PIN_OUTPUT, 4)	/* (AA14) PRG1_PRU1_GPO17.RGMII1_TD3 */
			AM64X_IOPAD(0x0154, PIN_INPUT, 7)	/* (V12) PRG1_PRU1_GPO19.GPIO0_84 */
		>;
	};

	eeprom_wp_pins_default: eeprom-wp-default-pins {
		pinctrl-single,pins = <
			AM64X_IOPAD(0x0208, PIN_OUTPUT, 7)	/* (D12) SPI0_CS0.GPIO1_42 */
		>;
	};

	leds_pins_default: leds-default-pins {
		pinctrl-single,pins = <
			AM64X_IOPAD(0x0030, PIN_OUTPUT, 7)	/* (L18) OSPI0_CSn1.GPIO0_12 */
		>;
	};

	main_i2c0_pins_default: main-i2c0-default-pins {
		pinctrl-single,pins = <
			AM64X_IOPAD(0x0260, PIN_INPUT, 0)	/* (A18) I2C0_SCL */
			AM64X_IOPAD(0x0264, PIN_INPUT, 0)	/* (B18) I2C0_SDA */
		>;
	};

	ospi0_pins_default: ospi0-default-pins {
		pinctrl-single,pins = <
			AM64X_IOPAD(0x0000, PIN_OUTPUT, 0)	/* (N20) OSPI0_CLK */
			AM64X_IOPAD(0x0008, PIN_INPUT, 0)	/* (N19) OSPI0_DQS */
			AM64X_IOPAD(0x000c, PIN_INPUT, 0)	/* (M19) OSPI0_D0 */
			AM64X_IOPAD(0x0010, PIN_INPUT, 0)	/* (M18) OSPI0_D1 */
			AM64X_IOPAD(0x0014, PIN_INPUT, 0)	/* (M20) OSPI0_D2 */
			AM64X_IOPAD(0x0018, PIN_INPUT, 0)	/* (M21) OSPI0_D3 */
			AM64X_IOPAD(0x001c, PIN_INPUT, 0)	/* (P21) OSPI0_D4 */
			AM64X_IOPAD(0x0020, PIN_INPUT, 0)	/* (P20) OSPI0_D5 */
			AM64X_IOPAD(0x0024, PIN_INPUT, 0)	/* (N18) OSPI0_D6 */
			AM64X_IOPAD(0x0028, PIN_INPUT, 0)	/* (M17) OSPI0_D7 */
			AM64X_IOPAD(0x002c, PIN_OUTPUT, 0)	/* (L19) OSPI0_CSn0 */
		>;
	};

	rtc_pins_default: rtc-defaults-pins {
		pinctrl-single,pins = <
			AM64X_IOPAD(0x0278, PIN_INPUT, 7)	/* (C19) EXTINTn.GPIO1_70 */
		>;
	};
};

&cpsw3g {
	pinctrl-names = "default";
	pinctrl-0 = <&cpsw_rgmii1_pins_default>;
};

&cpsw3g_mdio {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&cpsw_mdio_pins_default>;

	cpsw3g_phy1: ethernet-phy@1 {
		compatible = "ethernet-phy-id2000.a231", "ethernet-phy-ieee802.3-c22";
		reg = <1>;
		interrupt-parent = <&main_gpio0>;
		interrupts = <84 IRQ_TYPE_EDGE_FALLING>;
		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
		ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
		reset-gpios = <&main_gpio0 63 GPIO_ACTIVE_LOW>;
		reset-assert-us = <1000>;
		reset-deassert-us = <1000>;
	};
};

&cpsw_port1 {
	phy-mode = "rgmii-rxid";
	phy-handle = <&cpsw3g_phy1>;
};

&cpsw_port2 {
	status = "disabled";
};

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

	eeprom@50 {
		compatible = "atmel,24c32";
		pinctrl-names = "default";
		pinctrl-0 = <&eeprom_wp_pins_default>;
		pagesize = <32>;
		reg = <0x50>;
	};

	i2c_som_rtc: rtc@52 {
		compatible = "microcrystal,rv3028";
		reg = <0x52>;
		pinctrl-names = "default";
		pinctrl-0 = <&rtc_pins_default>;
		interrupt-parent = <&main_gpio1>;
		interrupts = <70 IRQ_TYPE_EDGE_FALLING>;
		wakeup-source;
	};
};

&ospi0 {
	status = "okay";
	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 = <0>;
	};
};

&sdhci0 {
	bus-width = <8>;
	non-removable;
	ti,driver-strength-ohm = <50>;
	disable-wp;
	keep-power-in-suspend;
};