1/*
  2 * Device Tree common file for kirkwood based Buffalo Linkstation
  3 *
  4 * Copyright (C) 2015, 2016
  5 * Roger Shimizu <rogershimizu@gmail.com>
  6 *
  7 * This file is dual-licensed: you can use it either under the terms
  8 * of the GPL or the X11 license, at your option. Note that this dual
  9 * licensing only applies to this file, and not this project as a
 10 * whole.
 11 *
 12 *  a) This file is free software; you can redistribute it and/or
 13 *     modify it under the terms of the GNU General Public License as
 14 *     published by the Free Software Foundation; either version 2 of the
 15 *     License, or (at your option) any later version.
 16 *
 17 *     This file is distributed in the hope that it will be useful
 18 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 19 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 20 *     GNU General Public License for more details.
 21 *
 22 * Or, alternatively
 23 *
 24 *  b) Permission is hereby granted, free of charge, to any person
 25 *     obtaining a copy of this software and associated documentation
 26 *     files (the "Software"), to deal in the Software without
 27 *     restriction, including without limitation the rights to use
 28 *     copy, modify, merge, publish, distribute, sublicense, and/or
 29 *     sell copies of the Software, and to permit persons to whom the
 30 *     Software is furnished to do so, subject to the following
 31 *     conditions:
 32 *
 33 *     The above copyright notice and this permission notice shall be
 34 *     included in all copies or substantial portions of the Software.
 35 *
 36 *     THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND
 37 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 38 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 39 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 40 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY
 41 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 42 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 43 *     OTHER DEALINGS IN THE SOFTWARE.
 44 */
 45
 46/ {
 47	chosen {
 48		bootargs = "console=ttyS0,115200n8 earlyprintk";
 49		stdout-path = &uart0;
 50	};
 51
 52	mbus {
 53		pcie-controller {
 54			status = "okay";
 55			pcie@1,0 {
 56				status = "okay";
 57			};
 58		};
 59	};
 60
 61	ocp@f1000000 {
 62		pinctrl: pin-controller@10000 {
 63			pmx_power_hdd0: pmx-power-hdd0 {
 64				marvell,function = "gpio";
 65			};
 66			pmx_usb_vbus: pmx-usb-vbus {
 67				marvell,function = "gpio";
 68			};
 69			pmx_led_alarm: pmx-led-alarm {
 70				marvell,function = "gpio";
 71			};
 72			pmx_led_function_red: pmx-led-function-red {
 73				marvell,function = "gpio";
 74			};
 75			pmx_led_function_blue: pmx-led-function-blue {
 76				marvell,function = "gpio";
 77			};
 78			pmx_led_info: pmx-led-info {
 79				marvell,function = "gpio";
 80			};
 81			pmx_led_power: pmx-led-power {
 82				marvell,function = "gpio";
 83			};
 84			pmx_button_function: pmx-button-function {
 85				marvell,function = "gpio";
 86			};
 87			pmx_power_switch: pmx-power-switch {
 88				marvell,function = "gpio";
 89			};
 90			pmx_power_auto_switch: pmx-power-auto-switch {
 91				marvell,function = "gpio";
 92			};
 93		};
 94
 95		serial@12000 {
 96			status = "okay";
 97		};
 98
 99		sata@80000 {
100			status = "okay";
101			nr-ports = <1>;
102		};
103
104		spi@10600 {
105			status = "okay";
106
107			m25p40@0 {
108				#address-cells = <1>;
109				#size-cells = <1>;
110				compatible = "st,m25p40", "jedec,spi-nor";
111				reg = <0>;
112				spi-max-frequency = <25000000>;
113				mode = <0>;
114
115				partition@0 {
116					reg = <0x0 0x60000>;
117					label = "uboot";
118					read-only;
119				};
120
121				partition@60000 {
122					reg = <0x60000 0x10000>;
123					label = "dtb";
124					read-only;
125				};
126
127				partition@70000 {
128					reg = <0x70000 0x10000>;
129					label = "uboot_env";
130				};
131			};
132		};
133	};
134
135	gpio_keys {
136		compatible = "gpio-keys";
137		#address-cells = <1>;
138		#size-cells = <0>;
139		pinctrl-0 = <&pmx_button_function &pmx_power_switch
140			     &pmx_power_auto_switch>;
141		pinctrl-names = "default";
142
143		function-button {
144			label = "Function Button";
145			linux,code = <KEY_OPTION>;
146		};
147
148		power-on-switch {
149			label = "Power-on Switch";
150			linux,code = <KEY_RESERVED>;
151			linux,input-type = <5>;
152		};
153
154		power-auto-switch {
155			label = "Power-auto Switch";
156			linux,code = <KEY_ESC>;
157			linux,input-type = <5>;
158		};
159	};
160
161	gpio_leds {
162		compatible = "gpio-leds";
163		pinctrl-0 = <&pmx_led_function_red &pmx_led_alarm
164			     &pmx_led_info &pmx_led_power
165			     &pmx_led_function_blue>;
166		pinctrl-names = "default";
167	};
168
169	restart_poweroff {
170		compatible = "restart-poweroff";
171	};
172
173	regulators {
174		compatible = "simple-bus";
175		#address-cells = <1>;
176		#size-cells = <0>;
177		pinctrl-0 = <&pmx_power_hdd0 &pmx_usb_vbus>;
178		pinctrl-names = "default";
179
180		usb_power: regulator@1 {
181			compatible = "regulator-fixed";
182			reg = <1>;
183			regulator-name = "USB Power";
184			regulator-min-microvolt = <5000000>;
185			regulator-max-microvolt = <5000000>;
186			enable-active-high;
187			regulator-always-on;
188			regulator-boot-on;
189		};
190
191		hdd_power0: regulator@2 {
192			compatible = "regulator-fixed";
193			reg = <2>;
194			regulator-name = "HDD0 Power";
195			regulator-min-microvolt = <5000000>;
196			regulator-max-microvolt = <5000000>;
197			enable-active-high;
198			regulator-always-on;
199			regulator-boot-on;
200		};
201	};
202};