u-boot-brain/arch/arm/dts/k3-am654-r5-base-board.dts

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2016-2018 Texas Instruments Incorporated - http://www.ti.com/
 */

/dts-v1/;

#include "k3-am654.dtsi"
#include "k3-am654-base-board-u-boot.dtsi"
#include "k3-am654-base-board-ddr4-1600MHz.dtsi"
#include "k3-am654-ddr.dtsi"

/ {
	compatible =  "ti,am654-evm", "ti,am654";
	model = "Texas Instruments AM654 R5 Base Board";

	aliases {
		serial0 = &wkup_uart0;
		serial2 = &main_uart0;
	};

	chosen {
		stdout-path = "serial2:115200n8";
		tick-timer = &timer1;
	};

	aliases {
		remoteproc0 = &sysctrler;
		remoteproc1 = &a53_0;
	};

	a53_0: a53@0 {
		compatible = "ti,am654-rproc";
		reg = <0x0 0x00a90000 0x0 0x10>;
		power-domains = <&k3_pds 61>,
				<&k3_pds 202>;
		resets = <&k3_reset 202 0>;
		assigned-clocks = <&k3_clks 202 0>;
		assigned-clock-rates = <800000000>;
		ti,sci = <&dmsc>;
		ti,sci-proc-id = <32>;
		ti,sci-host-id = <10>;
		u-boot,dm-spl;
	};

	vtt_supply: vtt_supply {
		compatible = "regulator-gpio";
		regulator-name = "vtt";
		regulator-min-microvolt = <0>;
		regulator-max-microvolt = <3300000>;
		gpios = <&wkup_gpio0 28 GPIO_ACTIVE_HIGH>;
		states = <0 0x0 3300000 0x1>;
		u-boot,dm-spl;
	};
};

&cbass_main {
	timer1: timer@40400000 {
		compatible = "ti,omap5430-timer";
		reg = <0x0 0x40400000 0x0 0x80>;
		ti,timer-alwon;
		clock-frequency = <25000000>;
		u-boot,dm-pre-reloc;
	};
};

&cbass_mcu {
	mcu_secproxy: secproxy@28380000 {
		compatible = "ti,am654-secure-proxy";
		reg = <0x0 0x2a380000 0x0 0x80000>,
		      <0x0 0x2a400000 0x0 0x80000>,
		      <0x0 0x2a480000 0x0 0x80000>;
		reg-names = "rt", "scfg", "target_data";
		#mbox-cells = <1>;
		u-boot,dm-spl;
	};
};

&cbass_wakeup {
	sysctrler: sysctrler {
		compatible = "ti,am654-system-controller";
		mboxes= <&mcu_secproxy 4>, <&mcu_secproxy 5>;
		mbox-names = "tx", "rx";
		u-boot,dm-spl;
	};

	wkup_gpio0: wkup_gpio0@42110000 {
		compatible = "ti,k2g-gpio", "ti,keystone-gpio";
		reg = <0x42110000 0x100>;
		gpio-controller;
		#gpio-cells = <2>;
		ti,ngpio = <56>;
		ti,davinci-gpio-unbanked = <0>;
		clocks = <&k3_clks 59 0>;
		clock-names = "gpio";
		u-boot,dm-spl;
	};

	clk_200mhz: dummy_clock {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <200000000>;
		u-boot,dm-spl;
	};
};

&dmsc {
	mboxes= <&mcu_secproxy 8>, <&mcu_secproxy 6>, <&mcu_secproxy 5>;
	mbox-names = "tx", "rx", "notify";
	ti,host-id = <4>;
	ti,secure-host;
};

&wkup_uart0 {
	u-boot,dm-spl;
	pinctrl-names = "default";
	pinctrl-0 = <&wkup_uart0_pins_default>;
	status = "okay";
};

&wkup_pmx0 {
	u-boot,dm-spl;
	wkup_uart0_pins_default: wkup_uart0_pins_default {
		pinctrl-single,pins = <
			AM65X_WKUP_IOPAD(0x00a0, PIN_INPUT, 0)	/* (AB1) WKUP_UART0_RXD */
			AM65X_WKUP_IOPAD(0x00a4, PIN_OUTPUT, 0)	/* (AB5) WKUP_UART0_TXD */
			AM65X_WKUP_IOPAD(0x00c8, PIN_INPUT, 1)	/* (AC2) WKUP_GPIO0_6.WKUP_UART0_CTSn */
			AM65X_WKUP_IOPAD(0x00cc, PIN_OUTPUT, 1)	/* (AC1) WKUP_GPIO0_7.WKUP_UART0_RTSn */
		>;
		u-boot,dm-spl;
	};

	wkup_vtt_pins_default: wkup_vtt_pins_default {
		pinctrl-single,pins = <
			AM65X_WKUP_IOPAD(0x0040, PIN_OUTPUT_PULLUP, 7)	/* WKUP_GPIO0_28 */
		>;
		u-boot,dm-spl;
	};
};

&main_pmx0 {
	u-boot,dm-spl;
	main_mmc0_pins_default: main_mmc0_pins_default {
		pinctrl-single,pins = <
			AM65X_IOPAD(0x01a8, PIN_INPUT_PULLDOWN, 0)	/* (B25) MMC0_CLK */
			AM65X_IOPAD(0x01aC, PIN_INPUT_PULLUP, 0)	/* (B27) MMC0_CMD */
			AM65X_IOPAD(0x01a4, PIN_INPUT_PULLUP, 0)	/* (A26) MMC0_DAT0 */
			AM65X_IOPAD(0x01a0, PIN_INPUT_PULLUP, 0)	/* (E25) MMC0_DAT1 */
			AM65X_IOPAD(0x019c, PIN_INPUT_PULLUP, 0)	/* (C26) MMC0_DAT2 */
			AM65X_IOPAD(0x0198, PIN_INPUT_PULLUP, 0)	/* (A25) MMC0_DAT3 */
			AM65X_IOPAD(0x0194, PIN_INPUT_PULLUP, 0)	/* (E24) MMC0_DAT4 */
			AM65X_IOPAD(0x0190, PIN_INPUT_PULLUP, 0)	/* (A24) MMC0_DAT5 */
			AM65X_IOPAD(0x018c, PIN_INPUT_PULLUP, 0)	/* (B26) MMC0_DAT6 */
			AM65X_IOPAD(0x0188, PIN_INPUT_PULLUP, 0)	/* (D25) MMC0_DAT7 */
			AM65X_IOPAD(0x01b0, PIN_INPUT, 0)		/* (C25) MMC0_DS */
		>;
	};
};

&memorycontroller {
	vtt-supply = <&vtt_supply>;
	pinctrl-names = "default";
	pinctrl-0 = <&wkup_vtt_pins_default>;
};

&sdhci0 {
	clock-names = "clk_xin";
	clocks = <&clk_200mhz>;
	/delete-property/ power-domains;
	ti,driver-strength-ohm = <50>;
};

&sdhci1 {
	clock-names = "clk_xin";
	clocks = <&clk_200mhz>;
	/delete-property/ power-domains;
};