arch/arm/dts/am437x-idk-evm.dts

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2014 Texas Instruments Incorporated - https://www.ti.com/
 */

/dts-v1/;

#include "am4372.dtsi"
#include <dt-bindings/pinctrl/am43xx.h>
#include <dt-bindings/pwm/pwm.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

/ {
	model = "TI AM437x Industrial Development Kit";
	compatible = "ti,am437x-idk-evm","ti,am4372","ti,am43";

	chosen {
		stdout-path = &uart0;
		tick-timer = &timer2;
	};

	v24_0d: fixed-regulator-v24_0d {
		compatible = "regulator-fixed";
		regulator-name = "V24_0D";
		regulator-min-microvolt = <24000000>;
		regulator-max-microvolt = <24000000>;
		regulator-always-on;
		regulator-boot-on;
	};

	v3_3d: fixed-regulator-v3_3d {
		compatible = "regulator-fixed";
		regulator-name = "V3_3D";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&v24_0d>;
	};

	vdd_corereg: fixed-regulator-vdd_corereg {
		compatible = "regulator-fixed";
		regulator-name = "VDD_COREREG";
		regulator-min-microvolt = <1100000>;
		regulator-max-microvolt = <1100000>;
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&v24_0d>;
	};

	vdd_core: fixed-regulator-vdd_core {
		compatible = "regulator-fixed";
		regulator-name = "VDD_CORE";
		regulator-min-microvolt = <1100000>;
		regulator-max-microvolt = <1100000>;
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&vdd_corereg>;
	};

	v1_8dreg: fixed-regulator-v1_8dreg{
		compatible = "regulator-fixed";
		regulator-name = "V1_8DREG";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&v24_0d>;
	};

	v1_8d: fixed-regulator-v1_8d{
		compatible = "regulator-fixed";
		regulator-name = "V1_8D";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&v1_8dreg>;
	};

	v1_5dreg: fixed-regulator-v1_5dreg{
		compatible = "regulator-fixed";
		regulator-name = "V1_5DREG";
		regulator-min-microvolt = <1500000>;
		regulator-max-microvolt = <1500000>;
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&v24_0d>;
	};

	v1_5d: fixed-regulator-v1_5d{
		compatible = "regulator-fixed";
		regulator-name = "V1_5D";
		regulator-min-microvolt = <1500000>;
		regulator-max-microvolt = <1500000>;
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&v1_5dreg>;
	};

	gpio_keys: gpio_keys {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&gpio_keys_pins_default>;

		switch@0 {
			label = "power-button";
			linux,code = <KEY_POWER>;
			gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
		};
	};

	/* fixed 32k external oscillator clock */
	clk_32k_rtc: clk_32k_rtc {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <32768>;
	};
};

&am43xx_pinmux {
	gpio_keys_pins_default: gpio_keys_pins_default {
		pinctrl-single,pins = <
			AM4372_IOPAD(0x9b8, PIN_INPUT | MUX_MODE7)	/* cam0_field.gpio4_2 */
		>;
	};

	i2c0_pins_default: i2c0_pins_default {
		pinctrl-single,pins = <
			AM4372_IOPAD(0x988, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_sda.i2c0_sda */
			AM4372_IOPAD(0x98c, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_scl.i2c0_scl */
		>;
	};

	i2c0_pins_sleep: i2c0_pins_sleep {
		pinctrl-single,pins = <
			AM4372_IOPAD(0x988, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x98c, PIN_INPUT_PULLDOWN | MUX_MODE7)
		>;
	};

	i2c2_pins_default: i2c2_pins_default {
		pinctrl-single,pins = <
			AM4372_IOPAD(0x9e8, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE3) /* cam1_data1.i2c2_scl */
			AM4372_IOPAD(0x9ec, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE3) /* cam1_data0.i2c2_sda */
		>;
	};

	i2c2_pins_sleep: i2c2_pins_sleep {
		pinctrl-single,pins = <
			AM4372_IOPAD(0x9e8, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x9ec, PIN_INPUT_PULLDOWN | MUX_MODE7)
		>;
	};

	mmc1_pins_default: pinmux_mmc1_pins_default {
		pinctrl-single,pins = <
			AM4372_IOPAD(0x900, PIN_INPUT | MUX_MODE0) /* mmc0_clk.mmc0_clk */
			AM4372_IOPAD(0x904, PIN_INPUT | MUX_MODE0) /* mmc0_cmd.mmc0_cmd */
			AM4372_IOPAD(0x9f0, PIN_INPUT | MUX_MODE0) /* mmc0_dat3.mmc0_dat3 */
			AM4372_IOPAD(0x9f4, PIN_INPUT | MUX_MODE0) /* mmc0_dat2.mmc0_dat2 */
			AM4372_IOPAD(0x9f8, PIN_INPUT | MUX_MODE0) /* mmc0_dat1.mmc0_dat1 */
			AM4372_IOPAD(0x9fc, PIN_INPUT | MUX_MODE0) /* mmc0_dat0.mmc0_dat0 */
			AM4372_IOPAD(0x960, PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */
		>;
	};

	mmc1_pins_sleep: pinmux_mmc1_pins_sleep {
		pinctrl-single,pins = <
			AM4372_IOPAD(0x900, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x904, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x9f0, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x9f4, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x9f8, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x9fc, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x960, PIN_INPUT_PULLDOWN | MUX_MODE7)
		>;
	};

	ecap0_pins_default: backlight_pins_default {
		pinctrl-single,pins = <
			AM4372_IOPAD(0x964, PIN_OUTPUT | MUX_MODE0) /* ecap0_in_pwm0_out.ecap0_in_pwm0_out */
		>;
	};

	cpsw_default: cpsw_default {
		pinctrl-single,pins = <
			AM4372_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txclk.rgmii1_tclk */
			AM4372_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txen.rgmii1_tctl */
			AM4372_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txd0.rgmii1_td0 */
			AM4372_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txd1.rgmii1_td1 */
			AM4372_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txd0.rgmii1_td2 */
			AM4372_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txd1.rgmii1_td3 */
			AM4372_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxclk.rmii1_rclk */
			AM4372_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxdv.rgmii1_rctl */
			AM4372_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxd0.rgmii1_rd0 */
			AM4372_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxd1.rgmii1_rd1 */
			AM4372_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxd0.rgmii1_rd2 */
			AM4372_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxd1.rgmii1_rd3 */
		>;
	};

	cpsw_sleep: cpsw_sleep {
		pinctrl-single,pins = <
			AM4372_IOPAD(0x92c, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x920, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x91c, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE7)
		>;
	};

	davinci_mdio_default: davinci_mdio_default {
		pinctrl-single,pins = <
			/* MDIO */
			AM4372_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)	/* mdio_data.mdio_data */
			AM4372_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)			/* mdio_clk.mdio_clk */
		>;
	};

	davinci_mdio_sleep: davinci_mdio_sleep {
		pinctrl-single,pins = <
			/* MDIO reset value */
			AM4372_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
		>;
	};

	qspi_pins_default: qspi_pins_default {
		pinctrl-single,pins = <
			AM4372_IOPAD(0x87c, PIN_OUTPUT_PULLUP | MUX_MODE3)	/* gpmc_csn0.qspi_csn */
			AM4372_IOPAD(0x888, PIN_OUTPUT | MUX_MODE2)		/* gpmc_csn3.qspi_clk */
			AM4372_IOPAD(0x890, PIN_INPUT_PULLUP | MUX_MODE3)	/* gpmc_advn_ale.qspi_d0 */
			AM4372_IOPAD(0x894, PIN_INPUT_PULLUP | MUX_MODE3)	/* gpmc_oen_ren.qspi_d1 */
			AM4372_IOPAD(0x898, PIN_INPUT_PULLUP | MUX_MODE3)	/* gpmc_wen.qspi_d2 */
			AM4372_IOPAD(0x89c, PIN_INPUT_PULLUP | MUX_MODE3)	/* gpmc_be0n_cle.qspi_d3 */
		>;
	};

	qspi_pins_sleep: qspi_pins_sleep{
		pinctrl-single,pins = <
			AM4372_IOPAD(0x87c, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x888, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x890, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x894, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x898, PIN_INPUT_PULLDOWN | MUX_MODE7)
			AM4372_IOPAD(0x89c, PIN_INPUT_PULLDOWN | MUX_MODE7)
		>;
	};
};

&i2c0 {
	status = "okay";
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&i2c0_pins_default>;
	pinctrl-1 = <&i2c0_pins_sleep>;
	clock-frequency = <400000>;

	at24@50 {
		compatible = "at24,24c256";
		pagesize = <64>;
		reg = <0x50>;
	};

	tps: tps62362@60 {
		compatible = "ti,tps62362";
		reg = <0x60>;
		regulator-name = "VDD_MPU";
		regulator-min-microvolt = <950000>;
		regulator-max-microvolt = <1330000>;
		regulator-boot-on;
		regulator-always-on;
		ti,vsel0-state-high;
		ti,vsel1-state-high;
		vin-supply = <&v3_3d>;
	};
};

&i2c2 {
	status = "okay";
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&i2c2_pins_default>;
	pinctrl-1 = <&i2c2_pins_sleep>;
	clock-frequency = <100000>;
};

&epwmss0 {
	status = "okay";
};

&ecap0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&ecap0_pins_default>;
};

&gpio0 {
	status = "okay";
};

&gpio1 {
	status = "okay";
};

&gpio4 {
	status = "okay";
};

&gpio5 {
	status = "okay";
};

&mmc1 {
	status = "okay";
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&mmc1_pins_default>;
	pinctrl-1 = <&mmc1_pins_sleep>;
	vmmc-supply = <&v3_3d>;
	bus-width = <4>;
	cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
};

&qspi {
	status = "okay";
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&qspi_pins_default>;
	pinctrl-1 = <&qspi_pins_sleep>;

	spi-max-frequency = <48000000>;
	m25p80@0 {
		compatible = "mx66l51235l", "jedec,spi-nor";
		spi-max-frequency = <48000000>;
		reg = <0>;
		spi-cpol;
		spi-cpha;
		spi-tx-bus-width = <1>;
		spi-rx-bus-width = <4>;
		#address-cells = <1>;
		#size-cells = <1>;

		/*
		 * MTD partition table.  The ROM checks the first 512KiB for a
		 * valid file to boot(XIP).
		 */
		partition@0 {
			label = "QSPI.U_BOOT";
			reg = <0x00000000 0x000080000>;
		};
		partition@1 {
			label = "QSPI.U_BOOT.backup";
			reg = <0x00080000 0x00080000>;
		};
		partition@2 {
			label = "QSPI.U-BOOT-SPL_OS";
			reg = <0x00100000 0x00010000>;
		};
		partition@3 {
			label = "QSPI.U_BOOT_ENV";
			reg = <0x00110000 0x00010000>;
		};
		partition@4 {
			label = "QSPI.U-BOOT-ENV.backup";
			reg = <0x00120000 0x00010000>;
		};
		partition@5 {
			label = "QSPI.KERNEL";
			reg = <0x00130000 0x0800000>;
		};
		partition@6 {
			label = "QSPI.FILESYSTEM";
			reg = <0x00930000 0x36D0000>;
		};
	};
};

&mac {
	slaves = <1>;
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&cpsw_default>;
	pinctrl-1 = <&cpsw_sleep>;
	status = "okay";
};

&davinci_mdio {
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&davinci_mdio_default>;
	pinctrl-1 = <&davinci_mdio_sleep>;
	status = "okay";

	ethphy0: ethernet-phy@0 {
		reg = <0>;
	};
};

&cpsw_emac0 {
	phy-handle = <&ethphy0>;
	phy-mode = "rgmii";
};

&rtc {
	clocks = <&clk_32k_rtc>, <&clk_32768_ck>;
	clock-names = "ext-clk", "int-clk";
	status = "okay";
};

&wdt {
	status = "okay";
};

&cpu {
	cpu0-supply = <&tps>;
};