1// SPDX-License-Identifier: GPL-2.0-or-later
  2/*
  3 * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
  4 * Copyright (C) 2016 Michael Heimpold <mhei@heimpold.de>
  5 */
  6
  7/dts-v1/;
  8#include <dt-bindings/interrupt-controller/irq.h>
  9#include <dt-bindings/gpio/gpio.h>
 10#include "imx28.dtsi"
 11
 12/ {
 13	model = "I2SE Duckbill 2 485";
 14	compatible = "i2se,duckbill-2-485", "i2se,duckbill-2", "fsl,imx28";
 15
 16	memory@40000000 {
 17		device_type = "memory";
 18		reg = <0x40000000 0x08000000>;
 19	};
 20
 21	apb@80000000 {
 22		apbh@80000000 {
 23			ssp0: spi@80010000 {
 24				compatible = "fsl,imx28-mmc";
 25				pinctrl-names = "default";
 26				pinctrl-0 = <&mmc0_8bit_pins_a
 27					&mmc0_cd_cfg &mmc0_sck_cfg>;
 28				bus-width = <8>;
 29				vmmc-supply = <&reg_3p3v>;
 30				status = "okay";
 31				non-removable;
 32			};
 33
 34			ssp2: spi@80014000 {
 35				compatible = "fsl,imx28-mmc";
 36				pinctrl-names = "default";
 37				pinctrl-0 = <&mmc2_4bit_pins_b
 38					&mmc2_cd_cfg &mmc2_sck_cfg_b>;
 39				bus-width = <4>;
 40				vmmc-supply = <&reg_3p3v>;
 41				status = "okay";
 42			};
 43
 44			pinctrl@80018000 {
 45				pinctrl-names = "default";
 46				pinctrl-0 = <&hog_pins_a>;
 47
 48				hog_pins_a: hog@0 {
 49					reg = <0>;
 50					fsl,pinmux-ids = <
 51						MX28_PAD_LCD_D17__GPIO_1_17    /* Revision detection */
 52					>;
 53					fsl,drive-strength = <MXS_DRIVE_4mA>;
 54					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 55					fsl,pull-up = <MXS_PULL_DISABLE>;
 56				};
 57
 58				mac0_phy_reset_pin: mac0-phy-reset@0 {
 59					reg = <0>;
 60					fsl,pinmux-ids = <
 61						MX28_PAD_GPMI_ALE__GPIO_0_26    /* PHY Reset */
 62					>;
 63					fsl,drive-strength = <MXS_DRIVE_4mA>;
 64					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 65					fsl,pull-up = <MXS_PULL_DISABLE>;
 66				};
 67
 68				mac0_phy_int_pin: mac0-phy-int@0 {
 69					reg = <0>;
 70					fsl,pinmux-ids = <
 71						MX28_PAD_GPMI_D07__GPIO_0_7    /* PHY Interrupt */
 72					>;
 73					fsl,drive-strength = <MXS_DRIVE_4mA>;
 74					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 75					fsl,pull-up = <MXS_PULL_DISABLE>;
 76				};
 77
 78				led_pins: leds@0 {
 79					reg = <0>;
 80					fsl,pinmux-ids = <
 81						MX28_PAD_SAIF0_MCLK__GPIO_3_20
 82						MX28_PAD_SAIF0_LRCLK__GPIO_3_21
 83						MX28_PAD_I2C0_SCL__GPIO_3_24
 84						MX28_PAD_I2C0_SDA__GPIO_3_25
 85					>;
 86					fsl,drive-strength = <MXS_DRIVE_4mA>;
 87					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 88					fsl,pull-up = <MXS_PULL_DISABLE>;
 89				};
 90			};
 91		};
 92
 93		apbx@80040000 {
 94			lradc@80050000 {
 95				status = "okay";
 96			};
 97
 98			auart0: serial@8006a000 {
 99				pinctrl-names = "default";
100				pinctrl-0 = <&auart0_2pins_a>;
101				status = "okay";
102			};
103
104			duart: serial@80074000 {
105				pinctrl-names = "default";
106				pinctrl-0 = <&duart_pins_a>;
107				status = "okay";
108			};
109
110			usbphy0: usbphy@8007c000 {
111				status = "okay";
112			};
113		};
114	};
115
116	ahb@80080000 {
117		usb0: usb@80080000 {
118			status = "okay";
119			dr_mode = "peripheral";
120		};
121
122		mac0: ethernet@800f0000 {
123			phy-mode = "rmii";
124			pinctrl-names = "default";
125			pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>;
126			phy-supply = <&reg_3p3v>;
127			phy-reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
128			phy-reset-duration = <25>;
129			phy-handle = <&ethphy>;
130			status = "okay";
131
132			mdio {
133				#address-cells = <1>;
134				#size-cells = <0>;
135
136				ethphy: ethernet-phy@0 {
137					compatible = "ethernet-phy-ieee802.3-c22";
138					reg = <0>;
139					pinctrl-names = "default";
140					pinctrl-0 = <&mac0_phy_int_pin>;
141					interrupt-parent = <&gpio0>;
142					interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
143					max-speed = <100>;
144				};
145			};
146		};
147	};
148
149	reg_3p3v: regulator-3p3v {
150		compatible = "regulator-fixed";
151		regulator-name = "3P3V";
152		regulator-min-microvolt = <3300000>;
153		regulator-max-microvolt = <3300000>;
154		regulator-always-on;
155	};
156
157	leds {
158		compatible = "gpio-leds";
159		pinctrl-names = "default";
160		pinctrl-0 = <&led_pins>;
161
162		status-red {
163			label = "duckbill:red:status";
164			gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
165			linux,default-trigger = "default-on";
166		};
167
168		status-green {
169			label = "duckbill:green:status";
170			gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;
171			linux,default-trigger = "heartbeat";
172		};
173
174		rs485-red {
175			label = "duckbill:red:rs485";
176			gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
177		};
178
179		rs485-green {
180			label = "duckbill:green:rs485";
181			gpios = <&gpio3 25 GPIO_ACTIVE_LOW>;
182		};
183	};
184};