ubuntu-linux-kernel/arch/arm/boot/dts/keystone-k2g-evm.dts

/*
 * Device Tree Source for K2G EVM
 *
 * Copyright (C) 2016 Texas Instruments Incorporated - http://www.ti.com/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */
/dts-v1/;

#include "keystone-k2g.dtsi"

/ {
	compatible =  "ti,k2g-evm", "ti,k2g", "ti,keystone";
	model = "Texas Instruments K2G General Purpose EVM";

	memory@800000000 {
		device_type = "memory";
		reg = <0x00000008 0x00000000 0x00000000 0x80000000>;
	};

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

		dsp_common_memory: dsp-common-memory@81f800000 {
			compatible = "shared-dma-pool";
			reg = <0x00000008 0x1f800000 0x00000000 0x800000>;
			reusable;
			status = "okay";
		};
	};

	vcc3v3_dcin_reg: fixedregulator-vcc3v3-dcin {
		compatible = "regulator-fixed";
		regulator-name = "mmc0_fixed";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	ecap0_pins: ecap0_pins {
		pinctrl-single,pins = <
			K2G_CORE_IOPAD(0x1374) (BUFFER_CLASS_B | MUX_MODE4)	/* pr1_mdio_data.ecap0_in_apwm0_out */
		>;
	};

	spi1_pins: pinmux_spi1_pins {
		pinctrl-single,pins = <
			K2G_CORE_IOPAD(0x11a4) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0)	/* spi1_scs0.spi1_scs0 */
			K2G_CORE_IOPAD(0x11ac) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0)	/* spi1_clk.spi1_clk */
			K2G_CORE_IOPAD(0x11b0) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0)	/* spi1_miso.spi1_miso */
			K2G_CORE_IOPAD(0x11b4) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0)	/* spi1_mosi.spi1_mosi */
		>;
	};

};

&k2g_pinctrl {
	uart0_pins: pinmux_uart0_pins {
		pinctrl-single,pins = <
			K2G_CORE_IOPAD(0x11cc) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0)	/* uart0_rxd.uart0_rxd */
			K2G_CORE_IOPAD(0x11d0) (BUFFER_CLASS_B | PIN_PULLDOWN | MUX_MODE0)	/* uart0_txd.uart0_txd */
		>;
	};

	mmc0_pins: pinmux_mmc0_pins {
		pinctrl-single,pins = <
			K2G_CORE_IOPAD(0x1300) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE2)	/* mmc0_dat3.mmc0_dat3 */
			K2G_CORE_IOPAD(0x1304) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE2)	/* mmc0_dat2.mmc0_dat2 */
			K2G_CORE_IOPAD(0x1308) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE2)	/* mmc0_dat1.mmc0_dat1 */
			K2G_CORE_IOPAD(0x130c) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE2)	/* mmc0_dat0.mmc0_dat0 */
			K2G_CORE_IOPAD(0x1310) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE2)	/* mmc0_clk.mmc0_clk */
			K2G_CORE_IOPAD(0x1314) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE2)	/* mmc0_cmd.mmc0_cmd */
			K2G_CORE_IOPAD(0x12ec) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE3)	/* mmc0_sdcd.gpio1_12 */
		>;
	};

	mmc1_pins: pinmux_mmc1_pins {
		pinctrl-single,pins = <
			K2G_CORE_IOPAD(0x10ec) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0)	/* mmc1_dat7.mmc1_dat7 */
			K2G_CORE_IOPAD(0x10f0) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0)	/* mmc1_dat6.mmc1_dat6 */
			K2G_CORE_IOPAD(0x10f4) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0)	/* mmc1_dat5.mmc1_dat5 */
			K2G_CORE_IOPAD(0x10f8) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0)	/* mmc1_dat4.mmc1_dat4 */
			K2G_CORE_IOPAD(0x10fc) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0)	/* mmc1_dat3.mmc1_dat3 */
			K2G_CORE_IOPAD(0x1100) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0)	/* mmc1_dat2.mmc1_dat2 */
			K2G_CORE_IOPAD(0x1104) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0)	/* mmc1_dat1.mmc1_dat1 */
			K2G_CORE_IOPAD(0x1108) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0)	/* mmc1_dat0.mmc1_dat0 */
			K2G_CORE_IOPAD(0x110c) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0)	/* mmc1_clk.mmc1_clk */
			K2G_CORE_IOPAD(0x1110) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0)	/* mmc1_cmd.mmc1_cmd */
		>;
	};

	i2c0_pins: pinmux_i2c0_pins {
		pinctrl-single,pins = <
			K2G_CORE_IOPAD(0x137c) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0)	/* i2c0_scl.i2c0_scl */
			K2G_CORE_IOPAD(0x1380) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0)	/* i2c0_sda.i2c0_sda */
		>;
	};

};

&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pins>;
	status = "okay";
};

&gpio1 {
	status = "okay";
};

&mmc0 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc0_pins>;
	vmmc-supply = <&vcc3v3_dcin_reg>;
	cd-gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
	status = "okay";
};

&mmc1 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc1_pins>;
	vmmc-supply = <&vcc3v3_dcin_reg>; /* VCC3V3_EMMC is connected to VCC3V3_DCIN */
	status = "okay";
};

&dsp0 {
	memory-region = <&dsp_common_memory>;
	status = "okay";
};

&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins>;
	status = "okay";

	eeprom@50 {
		compatible = "atmel,24c1024";
		reg = <0x50>;
	};
};

&keystone_usb0 {
	status = "okay";
};

&usb0_phy {
	status = "okay";
};

&usb0 {
	dr_mode = "host";
	status = "okay";
};

&keystone_usb1 {
	status = "okay";
};

&usb1_phy {
	status = "okay";
};

&usb1 {
	dr_mode = "peripheral";
	status = "okay";
};

&ecap0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&ecap0_pins>;
};

&spi1 {
	pinctrl-names = "default";
	pinctrl-0 = <&spi1_pins>;
	status = "okay";

	spi_nor: flash@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "jedec,spi-nor";
		spi-max-frequency = <5000000>;
		m25p,fast-read;
		reg = <0>;

		partition@0 {
			label = "u-boot-spl";
			reg = <0x0 0x100000>;
			read-only;
		};

		partition@1 {
			label = "misc";
			reg = <0x100000 0xf00000>;
		};
	};
};