tegrakernel/kernel/kernel-4.9/arch/arm/boot/dts/at91-sama5d4ek.dts

/*
 * at91-sama5d4ek.dts - Device Tree file for SAMA5D4 Evaluation Kit
 *
 *  Copyright (C) 2014 Atmel,
 *                2014 Nicolas Ferre <nicolas.ferre@atmel.com>
 *
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *
 *  a) This file is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License as
 *     published by the Free Software Foundation; either version 2 of the
 *     License, or (at your option) any later version.
 *
 *     This file is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 * Or, alternatively,
 *
 *  b) Permission is hereby granted, free of charge, to any person
 *     obtaining a copy of this software and associated documentation
 *     files (the "Software"), to deal in the Software without
 *     restriction, including without limitation the rights to use,
 *     copy, modify, merge, publish, distribute, sublicense, and/or
 *     sell copies of the Software, and to permit persons to whom the
 *     Software is furnished to do so, subject to the following
 *     conditions:
 *
 *     The above copyright notice and this permission notice shall be
 *     included in all copies or substantial portions of the Software.
 *
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *     OTHER DEALINGS IN THE SOFTWARE.
 */
/dts-v1/;
#include "sama5d4.dtsi"

/ {
	model = "Atmel SAMA5D4-EK";
	compatible = "atmel,sama5d4ek", "atmel,sama5d4", "atmel,sama5";

	chosen {
		stdout-path = "serial0:115200n8";
	};

	memory {
		reg = <0x20000000 0x20000000>;
	};

	clocks {
		slow_xtal {
			clock-frequency = <32768>;
		};

		main_xtal {
			clock-frequency = <12000000>;
		};
	};

	ahb {
		apb {
			adc0: adc@fc034000 {
				pinctrl-names = "default";
				pinctrl-0 = <
					/* external trigger conflicts with USBA_VBUS */
					&pinctrl_adc0_ad0
					&pinctrl_adc0_ad1
					&pinctrl_adc0_ad2
					&pinctrl_adc0_ad3
					&pinctrl_adc0_ad4
					>;
				/* The vref depends on JP22 of EK. If connect 1-2 then use 3.3V. connect 2-3 use 3.0V */
				atmel,adc-vref = <3300>;
				/*atmel,adc-ts-wires = <4>;*/	/* Set up ADC touch screen */
				status = "okay";		/* Enable ADC IIO support */
			};

			mmc0: mmc@f8000000 {
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_cd>;
				slot@0 {
					reg = <0>;
					bus-width = <4>;
					cd-gpios = <&pioE 5 0>;
				};
			};

			ssc0: ssc@f8008000 {
				status = "okay";
			};

			spi0: spi@f8010000 {
				cs-gpios = <&pioC 3 0>, <0>, <0>, <0>;
				status = "okay";
				m25p80@0 {
					compatible = "atmel,at25df321a";
					spi-max-frequency = <50000000>;
					reg = <0>;
				};
			};

			i2c0: i2c@f8014000 {
				status = "okay";

				wm8904: codec@1a {
					compatible = "wlf,wm8904";
					reg = <0x1a>;
					clocks = <&pck2>;
					clock-names = "mclk";
				};

				qt1070:keyboard@1b {
					compatible = "qt1070";
					reg = <0x1b>;
					interrupt-parent = <&pioE>;
					interrupts = <25 0x0>;
					pinctrl-names = "default";
					pinctrl-0 = <&pinctrl_qt1070_irq>;
					wakeup-source;
				};

				atmel_mxt_ts@4c {
					compatible = "atmel,atmel_mxt_ts";
					reg = <0x4c>;
					interrupt-parent = <&pioE>;
					interrupts = <24 0x0>;
					pinctrl-names = "default";
					pinctrl-0 = <&pinctrl_mxt_ts>;
				};
			};

			macb0: ethernet@f8020000 {
				pinctrl-0 = <&pinctrl_macb0_rmii &pinctrl_macb0_phy_irq>;
				phy-mode = "rmii";
				status = "okay";

				ethernet-phy@1 {
					reg = <0x1>;
					interrupt-parent = <&pioE>;
					interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
				};
			};

			mmc1: mmc@fc000000 {
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3 &pinctrl_mmc1_cd>;
				status = "okay";
				slot@0 {
					reg = <0>;
					bus-width = <4>;
					cd-gpios = <&pioE 6 0>;
				};
			};

			usart2: serial@fc008000 {
				status = "okay";
			};

			usart3: serial@fc00c000 {
				status = "okay";
			};

			usart4: serial@fc010000 {
				status = "okay";
			};

			watchdog@fc068640 {
				status = "okay";
			};

			pinctrl@fc06a000 {
				board {
					pinctrl_macb0_phy_irq: macb0_phy_irq {
						atmel,pins =
							<AT91_PIOE 1 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
					};
					pinctrl_mmc0_cd: mmc0_cd {
						atmel,pins =
							<AT91_PIOE 5 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
					};
					pinctrl_mmc1_cd: mmc1_cd {
						atmel,pins =
							<AT91_PIOE 6 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
					};
					pinctrl_pck2_as_audio_mck: pck2_as_audio_mck {
						atmel,pins =
							<AT91_PIOB 10 AT91_PERIPH_B AT91_PINCTRL_NONE>;
					};
					pinctrl_usba_vbus: usba_vbus {
						atmel,pins =
							<AT91_PIOE 31 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
					};
					pinctrl_key_gpio: key_gpio_0 {
						atmel,pins =
							<AT91_PIOE 13 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PE13 gpio */
					};
					pinctrl_qt1070_irq: qt1070_irq {
						atmel,pins =
							<AT91_PIOE 25 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
					};
					pinctrl_mxt_ts: mxt_irq {
						atmel,pins =
							<AT91_PIOE 24 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
					};
				};
			};
		};

		usb0: gadget@00400000 {
			atmel,vbus-gpio = <&pioE 31 GPIO_ACTIVE_HIGH>;
			pinctrl-names = "default";
			pinctrl-0 = <&pinctrl_usba_vbus>;
			status = "okay";
		};

		usb1: ohci@00500000 {
			num-ports = <3>;
			atmel,vbus-gpio = <0 /* &pioE 10 GPIO_ACTIVE_LOW */
					   &pioE 11 GPIO_ACTIVE_LOW
					   &pioE 12 GPIO_ACTIVE_LOW
					  >;
			status = "okay";
		};

		usb2: ehci@00600000 {
			status = "okay";
		};

		nand0: nand@80000000 {
			nand-bus-width = <8>;
			nand-ecc-mode = "hw";
			nand-on-flash-bbt;
			atmel,has-pmecc;
			status = "okay";

			at91bootstrap@0 {
				label = "at91bootstrap";
				reg = <0x0 0x40000>;
			};

			bootloader@40000 {
				label = "bootloader";
				reg = <0x40000 0x80000>;
			};

			bootloaderenv@c0000 {
				label = "bootloader env";
				reg = <0xc0000 0xc0000>;
			};

			dtb@180000 {
				label = "device tree";
				reg = <0x180000 0x80000>;
			};

			kernel@200000 {
				label = "kernel";
				reg = <0x200000 0x600000>;
			};

			rootfs@800000 {
				label = "rootfs";
				reg = <0x800000 0x0f800000>;
			};
		};
	};

	gpio_keys {
		compatible = "gpio-keys";

		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_key_gpio>;

		pb_user1 {
			label = "pb_user1";
			gpios = <&pioE 13 GPIO_ACTIVE_HIGH>;
			linux,code = <0x100>;
			wakeup-source;
		};
	};

	leds {
		compatible = "gpio-leds";
		status = "okay";

		d8 {
			label = "d8";
			/* PE28, conflicts with usart4 rts pin */
			gpios = <&pioE 28 GPIO_ACTIVE_LOW>;
		};

		d9 {
			label = "d9";
			gpios = <&pioE 9 GPIO_ACTIVE_HIGH>;
		};

		d10 {
			label = "d10";
			gpios = <&pioE 8 GPIO_ACTIVE_LOW>;
			linux,default-trigger = "heartbeat";
		};
	};

	sound {
		compatible = "atmel,asoc-wm8904";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pck2_as_audio_mck>;

		atmel,model = "wm8904 @ SAMA5D4EK";
		atmel,audio-routing =
			"Headphone Jack", "HPOUTL",
			"Headphone Jack", "HPOUTR",
			"IN1L", "Line In Jack",
			"IN1R", "Line In Jack";

		atmel,ssc-controller = <&ssc0>;
		atmel,audio-codec = <&wm8904>;
	};
};