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  1/*
  2 * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
  3 * Copyright (C) 2016 Michael Heimpold <mhei@heimpold.de>
  4 *
  5 * The code contained herein is licensed under the GNU General Public
  6 * License. You may obtain a copy of the GNU General Public License
  7 * Version 2 or later at the following locations:
  8 *
  9 * http://www.opensource.org/licenses/gpl-license.html
 10 * http://www.gnu.org/copyleft/gpl.html
 11 */
 12
 13/dts-v1/;
 14#include <dt-bindings/interrupt-controller/irq.h>
 15#include <dt-bindings/gpio/gpio.h>
 16#include "imx28.dtsi"
 17
 18/ {
 19	model = "I2SE Duckbill 2 SPI";
 20	compatible = "i2se,duckbill-2-spi", "i2se,duckbill-2", "fsl,imx28";
 21
 22	aliases {
 23		ethernet1 = &qca7000;
 24	};
 25
 26	memory@40000000 {
 27		reg = <0x40000000 0x08000000>;
 28	};
 29
 30	apb@80000000 {
 31		apbh@80000000 {
 32			ssp0: ssp@80010000 {
 33				compatible = "fsl,imx28-mmc";
 34				pinctrl-names = "default";
 35				pinctrl-0 = <&mmc0_8bit_pins_a
 36					&mmc0_cd_cfg &mmc0_sck_cfg>;
 37				bus-width = <8>;
 38				vmmc-supply = <&reg_3p3v>;
 39				status = "okay";
 40				non-removable;
 41			};
 42
 43			ssp2: ssp@80014000 {
 44				compatible = "fsl,imx28-spi";
 45				pinctrl-names = "default";
 46				pinctrl-0 = <&spi2_pins_a>;
 47				status = "okay";
 48
 49				qca7000: ethernet@0 {
 50					reg = <0>;
 51					compatible = "qca,qca7000";
 52					pinctrl-names = "default";
 53					pinctrl-0 = <&qca7000_pins>;
 54					interrupt-parent = <&gpio3>;
 55					interrupts = <3 IRQ_TYPE_EDGE_RISING>;
 56					spi-cpha;
 57					spi-cpol;
 58					spi-max-frequency = <8000000>;
 59				};
 60			};
 61
 62			pinctrl@80018000 {
 63				pinctrl-names = "default";
 64				pinctrl-0 = <&hog_pins_a>;
 65
 66				hog_pins_a: hog@0 {
 67					reg = <0>;
 68					fsl,pinmux-ids = <
 69						MX28_PAD_LCD_D17__GPIO_1_17    /* Revision detection */
 70					>;
 71					fsl,drive-strength = <MXS_DRIVE_4mA>;
 72					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 73					fsl,pull-up = <MXS_PULL_DISABLE>;
 74				};
 75
 76				mac0_phy_reset_pin: mac0-phy-reset@0 {
 77					reg = <0>;
 78					fsl,pinmux-ids = <
 79						MX28_PAD_GPMI_ALE__GPIO_0_26    /* PHY Reset */
 80					>;
 81					fsl,drive-strength = <MXS_DRIVE_4mA>;
 82					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 83					fsl,pull-up = <MXS_PULL_DISABLE>;
 84				};
 85
 86				mac0_phy_int_pin: mac0-phy-int@0 {
 87					reg = <0>;
 88					fsl,pinmux-ids = <
 89						MX28_PAD_GPMI_D07__GPIO_0_7    /* PHY Interrupt */
 90					>;
 91					fsl,drive-strength = <MXS_DRIVE_4mA>;
 92					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 93					fsl,pull-up = <MXS_PULL_DISABLE>;
 94				};
 95
 96				led_pins: led@0 {
 97					reg = <0>;
 98					fsl,pinmux-ids = <
 99						MX28_PAD_SAIF0_MCLK__GPIO_3_20
100						MX28_PAD_SAIF0_LRCLK__GPIO_3_21
101					>;
102					fsl,drive-strength = <MXS_DRIVE_4mA>;
103					fsl,voltage = <MXS_VOLTAGE_HIGH>;
104					fsl,pull-up = <MXS_PULL_DISABLE>;
105				};
106
107				qca7000_pins: qca7000@0 {
108					reg = <0>;
109					fsl,pinmux-ids = <
110						MX28_PAD_AUART0_RTS__GPIO_3_3    /* Interrupt */
111						MX28_PAD_LCD_D13__GPIO_1_13      /* QCA7K reset */
112						MX28_PAD_LCD_D14__GPIO_1_14      /* GPIO 0 */
113						MX28_PAD_LCD_D15__GPIO_1_15      /* GPIO 1 */
114						MX28_PAD_LCD_D18__GPIO_1_18      /* GPIO 2 */
115						MX28_PAD_LCD_D21__GPIO_1_21      /* GPIO 3 */
116					>;
117					fsl,drive-strength = <MXS_DRIVE_4mA>;
118					fsl,voltage = <MXS_VOLTAGE_HIGH>;
119					fsl,pull-up = <MXS_PULL_DISABLE>;
120				};
121			};
122		};
123
124		apbx@80040000 {
125			lradc@80050000 {
126				status = "okay";
127			};
128
129			duart: serial@80074000 {
130				pinctrl-names = "default";
131				pinctrl-0 = <&duart_pins_a>;
132				status = "okay";
133			};
134
135			usbphy0: usbphy@8007c000 {
136				status = "okay";
137			};
138		};
139	};
140
141	ahb@80080000 {
142		usb0: usb@80080000 {
143			status = "okay";
144			dr_mode = "peripheral";
145		};
146
147		mac0: ethernet@800f0000 {
148			phy-mode = "rmii";
149			pinctrl-names = "default";
150			pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>;
151			phy-supply = <&reg_3p3v>;
152			phy-reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
153			phy-reset-duration = <25>;
154			phy-handle = <&ethphy>;
155			status = "okay";
156
157			mdio {
158				#address-cells = <1>;
159				#size-cells = <0>;
160
161				ethphy: ethernet-phy@0 {
162					compatible = "ethernet-phy-ieee802.3-c22";
163					reg = <0>;
164					pinctrl-names = "default";
165					pinctrl-0 = <&mac0_phy_int_pin>;
166					interrupt-parent = <&gpio0>;
167					interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
168					max-speed = <100>;
169				};
170			};
171		};
172	};
173
174	reg_3p3v: regulator-3p3v {
175		compatible = "regulator-fixed";
176		regulator-name = "3P3V";
177		regulator-min-microvolt = <3300000>;
178		regulator-max-microvolt = <3300000>;
179		regulator-always-on;
180	};
181
182	leds {
183		compatible = "gpio-leds";
184		pinctrl-names = "default";
185		pinctrl-0 = <&led_pins>;
186
187		status-red {
188			label = "duckbill:red:status";
189			gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
190			linux,default-trigger = "default-on";
191		};
192
193		status-green {
194			label = "duckbill:green:status";
195			gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;
196			linux,default-trigger = "heartbeat";
197		};
198	};
199};