Free Electrons

Embedded Linux Experts

/*
 * Copyright 2012 Freescale Semiconductor, Inc.
 *
 * The code contained herein is licensed under the GNU General Public
 * License. You may obtain a copy of the GNU General Public License
 * Version 2 or later at the following locations:
 *
 * http://www.opensource.org/licenses/gpl-license.html
 * http://www.gnu.org/copyleft/gpl.html
 */

/dts-v1/;
#include "imx28.dtsi"

/ {
	model = "Freescale i.MX28 Evaluation Kit";
	compatible = "fsl,imx28-evk", "fsl,imx28";

	memory {
		reg = <0x40000000 0x08000000>;
	};

	apb@80000000 {
		apbh@80000000 {
			gpmi-nand@8000c000 {
				pinctrl-names = "default";
				pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg
					     &gpmi_pins_evk>;
				status = "okay";
			};

			ssp0: ssp@80010000 {
				compatible = "fsl,imx28-mmc";
				pinctrl-names = "default";
				pinctrl-0 = <&mmc0_8bit_pins_a
					&mmc0_cd_cfg &mmc0_sck_cfg>;
				bus-width = <8>;
				wp-gpios = <&gpio2 12 0>;
				vmmc-supply = <&reg_vddio_sd0>;
				status = "okay";
			};

			ssp1: ssp@80012000 {
				compatible = "fsl,imx28-mmc";
				bus-width = <8>;
				wp-gpios = <&gpio0 28 0>;
			};

			ssp2: ssp@80014000 {
				#address-cells = <1>;
				#size-cells = <0>;
				compatible = "fsl,imx28-spi";
				pinctrl-names = "default";
				pinctrl-0 = <&spi2_pins_a>;
				status = "okay";

				flash: m25p80@0 {
					#address-cells = <1>;
					#size-cells = <1>;
					compatible = "sst,sst25vf016b", "jedec,spi-nor";
					spi-max-frequency = <40000000>;
					reg = <0>;
				};
			};

			pinctrl@80018000 {
				pinctrl-names = "default";
				pinctrl-0 = <&hog_pins_a>;

				hog_pins_a: hog@0 {
					reg = <0>;
					fsl,pinmux-ids = <
						MX28_PAD_SSP1_CMD__GPIO_2_13
						MX28_PAD_SSP1_DATA3__GPIO_2_15
						MX28_PAD_ENET0_RX_CLK__GPIO_4_13
						MX28_PAD_SSP1_SCK__GPIO_2_12
						MX28_PAD_PWM3__GPIO_3_28
						MX28_PAD_LCD_RESET__GPIO_3_30
						MX28_PAD_AUART2_RX__GPIO_3_8
						MX28_PAD_AUART2_TX__GPIO_3_9
					>;
					fsl,drive-strength = <MXS_DRIVE_4mA>;
					fsl,voltage = <MXS_VOLTAGE_HIGH>;
					fsl,pull-up = <MXS_PULL_DISABLE>;
				};

				led_pin_gpio3_5: led_gpio3_5@0 {
					reg = <0>;
					fsl,pinmux-ids = <
						MX28_PAD_AUART1_TX__GPIO_3_5
					>;
					fsl,drive-strength = <MXS_DRIVE_4mA>;
					fsl,voltage = <MXS_VOLTAGE_HIGH>;
					fsl,pull-up = <MXS_PULL_DISABLE>;
				};

				gpmi_pins_evk: gpmi-nand-evk@0 {
					reg = <0>;
					fsl,pinmux-ids = <
						MX28_PAD_GPMI_CE1N__GPMI_CE1N
						MX28_PAD_GPMI_RDY1__GPMI_READY1
					>;
					fsl,drive-strength = <MXS_DRIVE_4mA>;
					fsl,voltage = <MXS_VOLTAGE_HIGH>;
					fsl,pull-up = <MXS_PULL_DISABLE>;
				};

				lcdif_pins_evk: lcdif-evk@0 {
					reg = <0>;
					fsl,pinmux-ids = <
						MX28_PAD_LCD_RD_E__LCD_VSYNC
						MX28_PAD_LCD_WR_RWN__LCD_HSYNC
						MX28_PAD_LCD_RS__LCD_DOTCLK
						MX28_PAD_LCD_CS__LCD_ENABLE
					>;
					fsl,drive-strength = <MXS_DRIVE_4mA>;
					fsl,voltage = <MXS_VOLTAGE_HIGH>;
					fsl,pull-up = <MXS_PULL_DISABLE>;
				};
			};

			lcdif@80030000 {
				pinctrl-names = "default";
				pinctrl-0 = <&lcdif_24bit_pins_a
					     &lcdif_pins_evk>;
				lcd-supply = <&reg_lcd_3v3>;
				display = <&display0>;
				status = "okay";

				display0: display0 {
					bits-per-pixel = <32>;
					bus-width = <24>;

					display-timings {
						native-mode = <&timing0>;
						timing0: timing0 {
							clock-frequency = <33500000>;
							hactive = <800>;
							vactive = <480>;
							hback-porch = <89>;
							hfront-porch = <164>;
							vback-porch = <23>;
							vfront-porch = <10>;
							hsync-len = <10>;
							vsync-len = <10>;
							hsync-active = <0>;
							vsync-active = <0>;
							de-active = <1>;
							pixelclk-active = <0>;
						};
					};
				};
			};

			can0: can@80032000 {
				pinctrl-names = "default";
				pinctrl-0 = <&can0_pins_a>;
				xceiver-supply = <&reg_can_3v3>;
				status = "okay";
			};

			can1: can@80034000 {
				pinctrl-names = "default";
				pinctrl-0 = <&can1_pins_a>;
				xceiver-supply = <&reg_can_3v3>;
				status = "okay";
			};
		};

		apbx@80040000 {
			saif0: saif@80042000 {
				pinctrl-names = "default";
				pinctrl-0 = <&saif0_pins_a>;
				status = "okay";
			};

			saif1: saif@80046000 {
				pinctrl-names = "default";
				pinctrl-0 = <&saif1_pins_a>;
				fsl,saif-master = <&saif0>;
				status = "okay";
			};

			lradc@80050000 {
				status = "okay";
				fsl,lradc-touchscreen-wires = <4>;
				fsl,ave-ctrl = <4>;
				fsl,ave-delay = <2>;
				fsl,settling = <10>;
			};

			i2c0: i2c@80058000 {
				pinctrl-names = "default";
				pinctrl-0 = <&i2c0_pins_a>;
				status = "okay";

				sgtl5000: codec@0a {
					compatible = "fsl,sgtl5000";
					reg = <0x0a>;
					VDDA-supply = <&reg_3p3v>;
					VDDIO-supply = <&reg_3p3v>;
					clocks = <&saif0>;
				};

				at24@51 {
					compatible = "at24,24c32";
					pagesize = <32>;
					reg = <0x51>;
				};
			};

			pwm: pwm@80064000 {
				pinctrl-names = "default";
				pinctrl-0 = <&pwm2_pins_a>;
				status = "okay";
			};

			duart: serial@80074000 {
				pinctrl-names = "default";
				pinctrl-0 = <&duart_pins_a>;
				status = "okay";
			};

			auart0: serial@8006a000 {
				pinctrl-names = "default";
				pinctrl-0 = <&auart0_pins_a>;
				uart-has-rtscts;
				status = "okay";
			};

			auart3: serial@80070000 {
				pinctrl-names = "default";
				pinctrl-0 = <&auart3_pins_a>;
				status = "okay";
			};

			usbphy0: usbphy@8007c000 {
				status = "okay";
			};

			usbphy1: usbphy@8007e000 {
				status = "okay";
			};
		};
	};

	ahb@80080000 {
		usb0: usb@80080000 {
			pinctrl-names = "default";
			pinctrl-0 = <&usb0_id_pins_a>;
			vbus-supply = <&reg_usb0_vbus>;
			status = "okay";
		};

		usb1: usb@80090000 {
			vbus-supply = <&reg_usb1_vbus>;
			status = "okay";
		};

		mac0: ethernet@800f0000 {
			phy-mode = "rmii";
			pinctrl-names = "default";
			pinctrl-0 = <&mac0_pins_a>;
			phy-supply = <&reg_fec_3v3>;
			phy-reset-gpios = <&gpio4 13 0>;
			phy-reset-duration = <100>;
			status = "okay";
		};

		mac1: ethernet@800f4000 {
			phy-mode = "rmii";
			pinctrl-names = "default";
			pinctrl-0 = <&mac1_pins_a>;
			status = "okay";
		};
	};

	regulators {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <0>;

		reg_3p3v: regulator@0 {
			compatible = "regulator-fixed";
			reg = <0>;
			regulator-name = "3P3V";
			regulator-min-microvolt = <3300000>;
			regulator-max-microvolt = <3300000>;
			regulator-always-on;
		};

		reg_vddio_sd0: regulator@1 {
			compatible = "regulator-fixed";
			reg = <1>;
			regulator-name = "vddio-sd0";
			regulator-min-microvolt = <3300000>;
			regulator-max-microvolt = <3300000>;
			gpio = <&gpio3 28 0>;
		};

		reg_fec_3v3: regulator@2 {
			compatible = "regulator-fixed";
			reg = <2>;
			regulator-name = "fec-3v3";
			regulator-min-microvolt = <3300000>;
			regulator-max-microvolt = <3300000>;
			gpio = <&gpio2 15 0>;
		};

		reg_usb0_vbus: regulator@3 {
			compatible = "regulator-fixed";
			reg = <3>;
			regulator-name = "usb0_vbus";
			regulator-min-microvolt = <5000000>;
			regulator-max-microvolt = <5000000>;
			gpio = <&gpio3 9 0>;
			enable-active-high;
		};

		reg_usb1_vbus: regulator@4 {
			compatible = "regulator-fixed";
			reg = <4>;
			regulator-name = "usb1_vbus";
			regulator-min-microvolt = <5000000>;
			regulator-max-microvolt = <5000000>;
			gpio = <&gpio3 8 0>;
			enable-active-high;
		};

		reg_lcd_3v3: regulator@5 {
			compatible = "regulator-fixed";
			reg = <5>;
			regulator-name = "lcd-3v3";
			regulator-min-microvolt = <3300000>;
			regulator-max-microvolt = <3300000>;
			gpio = <&gpio3 30 0>;
			enable-active-high;
		};

		reg_can_3v3: regulator@6 {
			compatible = "regulator-fixed";
			reg = <6>;
			regulator-name = "can-3v3";
			regulator-min-microvolt = <3300000>;
			regulator-max-microvolt = <3300000>;
			gpio = <&gpio2 13 0>;
			enable-active-high;
		};

	};

	sound {
		compatible = "fsl,imx28-evk-sgtl5000",
			     "fsl,mxs-audio-sgtl5000";
		model = "imx28-evk-sgtl5000";
		saif-controllers = <&saif0 &saif1>;
		audio-codec = <&sgtl5000>;
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&led_pin_gpio3_5>;

		user {
			label = "Heartbeat";
			gpios = <&gpio3 5 0>;
			linux,default-trigger = "heartbeat";
		};
	};

	backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm 2 5000000>;
		brightness-levels = <0 4 8 16 32 64 128 255>;
		default-brightness-level = <6>;
	};
};