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 SPI";
 14	compatible = "i2se,duckbill-2-spi", "i2se,duckbill-2", "fsl,imx28";
 15
 16	aliases {
 17		ethernet1 = &qca7000;
 18	};
 19
 20	memory@40000000 {
 21		device_type = "memory";
 22		reg = <0x40000000 0x08000000>;
 23	};
 24
 25	apb@80000000 {
 26		apbh@80000000 {
 27			ssp0: spi@80010000 {
 28				compatible = "fsl,imx28-mmc";
 29				pinctrl-names = "default";
 30				pinctrl-0 = <&mmc0_8bit_pins_a
 31					&mmc0_cd_cfg &mmc0_sck_cfg>;
 32				bus-width = <8>;
 33				vmmc-supply = <&reg_3p3v>;
 34				status = "okay";
 35				non-removable;
 36			};
 37
 38			ssp2: spi@80014000 {
 39				compatible = "fsl,imx28-spi";
 40				pinctrl-names = "default";
 41				pinctrl-0 = <&spi2_pins_a>;
 42				status = "okay";
 43
 44				qca7000: ethernet@0 {
 45					reg = <0>;
 46					compatible = "qca,qca7000";
 47					pinctrl-names = "default";
 48					pinctrl-0 = <&qca7000_pins>;
 49					interrupt-parent = <&gpio3>;
 50					interrupts = <3 IRQ_TYPE_EDGE_RISING>;
 51					spi-cpha;
 52					spi-cpol;
 53					spi-max-frequency = <8000000>;
 54				};
 55			};
 56
 57			pinctrl@80018000 {
 58				pinctrl-names = "default";
 59				pinctrl-0 = <&hog_pins_a>;
 60
 61				hog_pins_a: hog@0 {
 62					reg = <0>;
 63					fsl,pinmux-ids = <
 64						MX28_PAD_LCD_D17__GPIO_1_17    /* Revision detection */
 65					>;
 66					fsl,drive-strength = <MXS_DRIVE_4mA>;
 67					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 68					fsl,pull-up = <MXS_PULL_DISABLE>;
 69				};
 70
 71				mac0_phy_reset_pin: mac0-phy-reset@0 {
 72					reg = <0>;
 73					fsl,pinmux-ids = <
 74						MX28_PAD_GPMI_ALE__GPIO_0_26    /* PHY Reset */
 75					>;
 76					fsl,drive-strength = <MXS_DRIVE_4mA>;
 77					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 78					fsl,pull-up = <MXS_PULL_DISABLE>;
 79				};
 80
 81				mac0_phy_int_pin: mac0-phy-int@0 {
 82					reg = <0>;
 83					fsl,pinmux-ids = <
 84						MX28_PAD_GPMI_D07__GPIO_0_7    /* PHY Interrupt */
 85					>;
 86					fsl,drive-strength = <MXS_DRIVE_4mA>;
 87					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 88					fsl,pull-up = <MXS_PULL_DISABLE>;
 89				};
 90
 91				led_pins: led@0 {
 92					reg = <0>;
 93					fsl,pinmux-ids = <
 94						MX28_PAD_SAIF0_MCLK__GPIO_3_20
 95						MX28_PAD_SAIF0_LRCLK__GPIO_3_21
 96					>;
 97					fsl,drive-strength = <MXS_DRIVE_4mA>;
 98					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 99					fsl,pull-up = <MXS_PULL_DISABLE>;
100				};
101
102				qca7000_pins: qca7000@0 {
103					reg = <0>;
104					fsl,pinmux-ids = <
105						MX28_PAD_AUART0_RTS__GPIO_3_3    /* Interrupt */
106						MX28_PAD_LCD_D13__GPIO_1_13      /* QCA7K reset */
107						MX28_PAD_LCD_D14__GPIO_1_14      /* GPIO 0 */
108						MX28_PAD_LCD_D15__GPIO_1_15      /* GPIO 1 */
109						MX28_PAD_LCD_D18__GPIO_1_18      /* GPIO 2 */
110						MX28_PAD_LCD_D21__GPIO_1_21      /* GPIO 3 */
111					>;
112					fsl,drive-strength = <MXS_DRIVE_4mA>;
113					fsl,voltage = <MXS_VOLTAGE_HIGH>;
114					fsl,pull-up = <MXS_PULL_DISABLE>;
115				};
116			};
117		};
118
119		apbx@80040000 {
120			lradc@80050000 {
121				status = "okay";
122			};
123
124			duart: serial@80074000 {
125				pinctrl-names = "default";
126				pinctrl-0 = <&duart_pins_a>;
127				status = "okay";
128			};
129
130			usbphy0: usbphy@8007c000 {
131				status = "okay";
132			};
133		};
134	};
135
136	ahb@80080000 {
137		usb0: usb@80080000 {
138			status = "okay";
139			dr_mode = "peripheral";
140		};
141
142		mac0: ethernet@800f0000 {
143			phy-mode = "rmii";
144			pinctrl-names = "default";
145			pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>;
146			phy-supply = <&reg_3p3v>;
147			phy-reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
148			phy-reset-duration = <25>;
149			phy-handle = <&ethphy>;
150			status = "okay";
151
152			mdio {
153				#address-cells = <1>;
154				#size-cells = <0>;
155
156				ethphy: ethernet-phy@0 {
157					compatible = "ethernet-phy-ieee802.3-c22";
158					reg = <0>;
159					pinctrl-names = "default";
160					pinctrl-0 = <&mac0_phy_int_pin>;
161					interrupt-parent = <&gpio0>;
162					interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
163					max-speed = <100>;
164				};
165			};
166		};
167	};
168
169	reg_3p3v: regulator-3p3v {
170		compatible = "regulator-fixed";
171		regulator-name = "3P3V";
172		regulator-min-microvolt = <3300000>;
173		regulator-max-microvolt = <3300000>;
174		regulator-always-on;
175	};
176
177	leds {
178		compatible = "gpio-leds";
179		pinctrl-names = "default";
180		pinctrl-0 = <&led_pins>;
181
182		status-red {
183			label = "duckbill:red:status";
184			gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
185			linux,default-trigger = "default-on";
186		};
187
188		status-green {
189			label = "duckbill:green:status";
190			gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;
191			linux,default-trigger = "heartbeat";
192		};
193	};
194};