1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * Device Tree common file for the Seagate NAS 2 and 4-bay (Armada 370 SoC).
  4 *
  5 * Copyright (C) 2015 Seagate
  6 *
  7 * Author: Vincent Donnefort <vdonnefort@gmail.com>
  8 */
  9
 10/*
 11 * TODO: add support for the white SATA LEDs associated with HDD 0 and 1.
 12 */
 13
 14#include "armada-370.dtsi"
 15#include <dt-bindings/gpio/gpio.h>
 16#include <dt-bindings/input/input.h>
 17
 18/ {
 19	chosen {
 20		stdout-path = "serial0:115200n8";
 21	};
 22
 23	memory@0 {
 24		device_type = "memory";
 25		reg = <0x00000000 0x20000000>; /* 512 MB */
 26	};
 27
 28	soc {
 29		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
 30			  MBUS_ID(0x01, 0xe0) 0 0xfff00000 0x100000>;
 31
 32		internal-regs {
 33			serial@12000 {
 34				status = "okay";
 35			};
 36
 37			sata@a0000 {
 38				nr-ports = <2>;
 39				status = "okay";
 40			};
 41
 42			ethernet@70000 {
 43				status = "okay";
 44				pinctrl-0 = <&ge0_rgmii_pins>;
 45				pinctrl-names = "default";
 46				phy = <&phy0>;
 47				phy-mode = "rgmii-id";
 48			};
 49
 50			i2c@11000 {
 51				status = "okay";
 52				pinctrl-0 = <&i2c0_pins>;
 53				pinctrl-names = "default";
 54				clock-frequency = <100000>;
 55
 56				/* RTC - NXP 8563T (second source) */
 57				rtc@51 {
 58					compatible = "nxp,pcf8563";
 59					reg = <0x51>;
 60					interrupts = <110>;
 61				};
 62				/* RTC - MCP7940NT */
 63				rtc@6f {
 64					compatible = "microchip,mcp7941x";
 65					reg = <0x6f>;
 66					interrupts = <110>;
 67				};
 68			};
 69		};
 70
 71	};
 72
 73	regulators {
 74		compatible = "simple-bus";
 75		#address-cells = <1>;
 76		#size-cells = <0>;
 77		pinctrl-names = "default";
 78
 79		regulator@1 {
 80			compatible = "regulator-fixed";
 81			reg = <1>;
 82			regulator-name = "SATA0 power";
 83			regulator-min-microvolt = <5000000>;
 84			regulator-max-microvolt = <5000000>;
 85			enable-active-high;
 86			regulator-always-on;
 87			regulator-boot-on;
 88			gpio = <&gpio1 18 GPIO_ACTIVE_HIGH>;
 89		};
 90		regulator@2 {
 91			compatible = "regulator-fixed";
 92			reg = <2>;
 93			regulator-name = "SATA1 power";
 94			regulator-min-microvolt = <5000000>;
 95			regulator-max-microvolt = <5000000>;
 96			enable-active-high;
 97			regulator-always-on;
 98			regulator-boot-on;
 99			gpio = <&gpio1 22 GPIO_ACTIVE_HIGH>;
100		};
101	};
102
103	gpio-fan {
104		compatible = "gpio-fan";
105		gpios = <&gpio2 0 GPIO_ACTIVE_HIGH
106			 &gpio2 1 GPIO_ACTIVE_HIGH>;
107	};
108
109	gpio-keys {
110		compatible = "gpio-keys";
111
112		button-power {
113			label = "Power button";
114			linux,code = <KEY_POWER>;
115			gpios = <&gpio1 19 GPIO_ACTIVE_LOW>;
116			debounce-interval = <100>;
117		};
118		button-backup {
119			label = "Backup button";
120			linux,code = <KEY_OPTION>;
121			gpios = <&gpio0 31 GPIO_ACTIVE_LOW>;
122			debounce-interval = <100>;
123		};
124		button-reset {
125			label = "Reset Button";
126			linux,code = <KEY_RESTART>;
127			gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;
128			debounce-interval = <100>;
129		};
130	};
131
132	gpio-leds {
133		compatible = "gpio-leds";
134
135		led-white-power {
136			label = "dart:white:power";
137			gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
138			linux,default-trigger = "timer";
139
140		};
141		led-red-power {
142			label = "dart:red:power";
143			gpios = <&gpio1 31 GPIO_ACTIVE_HIGH>;
144		};
145		led-red-sata0 {
146			label = "dart:red:sata0";
147			gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
148		};
149		led-red-sata1 {
150			label = "dart:red:sata1";
151			gpios = <&gpio1 21 GPIO_ACTIVE_LOW>;
152		};
153	};
154
155	gpio_poweroff {
156		compatible = "gpio-poweroff";
157		gpios = <&gpio1 30 GPIO_ACTIVE_LOW>;
158	};
159};
160
161&pciec {
162	status = "okay";
163
164	/* USB 3.0 bridge ASM1042A */
165	pcie@2,0 {
166		status = "okay";
167	};
168};
169
170
171&mdio {
172	pinctrl-0 = <&mdio_pins>;
173	pinctrl-names = "default";
174
175	phy0: ethernet-phy@0 {
176		reg = <0>;
177	};
178};
179
180&pinctrl {
181	pinctrl-0 = <&hdd0_led_sata_pin>, <&hdd1_led_sata_pin>;
182	pinctrl-names = "default";
183
184	hdd0_led_sata_pin: hdd0-led-sata-pin {
185		marvell,pins = "mpp48";
186		marvell,function = "sata1";
187	};
188	hdd0_led_gpio_pin: hdd0-led-gpio-pin {
189		marvell,pins = "mpp48";
190		marvell,function = "gpio";
191	};
192	hdd1_led_sata_pin: hdd1-led-sata-pin {
193		marvell,pins = "mpp57";
194		marvell,function = "sata0";
195	};
196	hdd1_led_gpio_pin: hdd1-led-gpio-pin {
197		marvell,pins = "mpp57";
198		marvell,function = "gpio";
199	};
200};
201
202&nand_controller {
203	status = "okay";
204
205	nand@0 {
206		reg = <0>;
207		label = "pxa3xx_nand-0";
208		nand-rb = <0>;
209		marvell,nand-keep-config;
210		nand-on-flash-bbt;
211		nand-ecc-strength = <4>;
212		nand-ecc-step-size = <512>;
213
214		partitions {
215			compatible = "fixed-partitions";
216			#address-cells = <1>;
217			#size-cells = <1>;
218
219			partition@0 {
220				label = "u-boot";
221				reg = <0x0 0x300000>;
222			};
223			partition@300000 {
224				label = "device-tree";
225				reg = <0x300000 0x20000>;
226			};
227			partition@320000 {
228				label = "linux";
229				reg = <0x320000 0x2000000>;
230			};
231			partition@2320000 {
232				label = "rootfs";
233				reg = <0x2320000 0xdce0000>;
234			};
235		};
236	};
237};