1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 * at91sam9261ek.dts - Device Tree file for Atmel at91sam9261 reference board
  4 *
  5 *  Copyright (C) 2013 Jean-Jacques Hiblot <jjhiblot@traphandler.com>
  6 */
  7/dts-v1/;
  8#include "at91sam9261.dtsi"
  9
 10/ {
 11	model = "Atmel at91sam9261ek";
 12	compatible = "atmel,at91sam9261ek", "atmel,at91sam9261", "atmel,at91sam9";
 13
 14	chosen {
 15		bootargs = "rootfstype=ubifs ubi.mtd=5 root=ubi0:rootfs rw";
 16		stdout-path = "serial0:115200n8";
 17	};
 18
 19	memory@20000000 {
 20		reg = <0x20000000 0x4000000>;
 21	};
 22
 23	clocks {
 24		slow_xtal {
 25			clock-frequency = <32768>;
 26		};
 27
 28		main_xtal {
 29			clock-frequency = <18432000>;
 30		};
 31	};
 32
 33	ahb {
 34		usb0: ohci@500000 {
 35			status = "okay";
 36		};
 37
 38		fb0: fb@600000 {
 39			display = <&display0>;
 40			atmel,power-control-gpio = <&pioA 12 GPIO_ACTIVE_LOW>;
 41			status = "okay";
 42
 43			display0: panel {
 44				bits-per-pixel = <16>;
 45				atmel,lcdcon-backlight;
 46				atmel,dmacon = <0x1>;
 47				atmel,lcdcon2 = <0x80008002>;
 48				atmel,guard-time = <1>;
 49				atmel,lcd-wiring-mode = "BRG";
 50
 51				display-timings {
 52					native-mode = <&timing0>;
 53					timing0: timing0 {
 54						clock-frequency = <4965000>;
 55						hactive = <240>;
 56						vactive = <320>;
 57						hback-porch = <1>;
 58						hfront-porch = <33>;
 59						vback-porch = <1>;
 60						vfront-porch = <0>;
 61						hsync-len = <5>;
 62						vsync-len = <1>;
 63						hsync-active = <1>;
 64						vsync-active = <1>;
 65					};
 66				};
 67			};
 68		};
 69
 70		ebi: ebi@10000000 {
 71			status = "okay";
 72
 73			nand_controller: nand-controller {
 74				status = "okay";
 75				pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
 76				pinctrl-names = "default";
 77
 78				nand@3 {
 79					reg = <0x3 0x0 0x800000>;
 80					rb-gpios = <&pioC 15 GPIO_ACTIVE_HIGH>;
 81					cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
 82					nand-bus-width = <8>;
 83					nand-ecc-mode = "soft";
 84					nand-on-flash-bbt;
 85					label = "atmel_nand";
 86
 87					partitions {
 88						compatible = "fixed-partitions";
 89						#address-cells = <1>;
 90						#size-cells = <1>;
 91
 92						at91bootstrap@0 {
 93							label = "at91bootstrap";
 94							reg = <0x0 0x40000>;
 95						};
 96
 97						bootloader@40000 {
 98							label = "bootloader";
 99							reg = <0x40000 0x80000>;
100						};
101
102						bootloaderenv@c0000 {
103							label = "bootloader env";
104							reg = <0xc0000 0xc0000>;
105						};
106
107						dtb@180000 {
108							label = "device tree";
109							reg = <0x180000 0x80000>;
110						};
111
112						kernel@200000 {
113							label = "kernel";
114							reg = <0x200000 0x600000>;
115						};
116
117						rootfs@800000 {
118							label = "rootfs";
119							reg = <0x800000 0x0f800000>;
120						};
121					};
122				};
123			};
124		};
125
126		apb {
127			tcb0: timer@fffa0000 {
128				timer0: timer@0 {
129					compatible = "atmel,tcb-timer";
130					reg = <0>, <1>;
131				};
132
133				timer1: timer@2 {
134					compatible = "atmel,tcb-timer";
135					reg = <2>;
136				};
137			};
138
139			usb1: gadget@fffa4000 {
140				atmel,vbus-gpio = <&pioB 29 GPIO_ACTIVE_HIGH>;
141				status = "okay";
142			};
143
144			spi0: spi@fffc8000 {
145				cs-gpios = <&pioA 3 0>, <0>, <&pioA 28 0>, <0>;
146				status = "okay";
147
148				flash@0 {
149					compatible = "atmel,at45", "atmel,dataflash";
150					reg = <0>;
151					spi-max-frequency = <15000000>;
152				};
153
154				tsc2046@2 {
155					reg = <2>;
156					compatible = "ti,ads7843";
157					interrupts-extended = <&pioC 2 IRQ_TYPE_EDGE_BOTH>;
158					spi-max-frequency = <3000000>;
159					pendown-gpio = <&pioC 2 GPIO_ACTIVE_HIGH>;
160
161					ti,x-min = /bits/ 16 <150>;
162					ti,x-max = /bits/ 16 <3830>;
163					ti,y-min = /bits/ 16 <190>;
164					ti,y-max = /bits/ 16 <3830>;
165					ti,vref-delay-usecs = /bits/ 16 <450>;
166					ti,x-plate-ohms = /bits/ 16 <450>;
167					ti,y-plate-ohms = /bits/ 16 <250>;
168					ti,pressure-max = /bits/ 16 <15000>;
169					ti,debounce-rep = /bits/ 16 <0>;
170					ti,debounce-tol = /bits/ 16 <65535>;
171					ti,debounce-max = /bits/ 16 <1>;
172
173					wakeup-source;
174				};
175			};
176
177			dbgu: serial@fffff200 {
178				status = "okay";
179			};
180
181			rtc@fffffd20 {
182				atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
183			};
184
185			watchdog@fffffd40 {
186				status = "okay";
187			};
188
189		};
190	};
191
192	leds {
193		compatible = "gpio-leds";
194
195		ds8 {
196			label = "ds8";
197			gpios = <&pioA 13 GPIO_ACTIVE_LOW>;
198			linux,default-trigger = "none";
199		};
200
201		ds7 {
202			label = "ds7";
203			gpios = <&pioA 14 GPIO_ACTIVE_LOW>;
204			linux,default-trigger = "nand-disk";
205		};
206
207		ds1 {
208			label = "ds1";
209			gpios = <&pioA 23 GPIO_ACTIVE_LOW>;
210			linux,default-trigger = "heartbeat";
211		};
212	};
213
214	gpio-keys {
215		compatible = "gpio-keys";
216
217		button-0 {
218			label = "button_0";
219			gpios = <&pioA 27 GPIO_ACTIVE_LOW>;
220			linux,code = <256>;
221			wakeup-source;
222		};
223
224		button-1 {
225			label = "button_1";
226			gpios = <&pioA 26 GPIO_ACTIVE_LOW>;
227			linux,code = <257>;
228			wakeup-source;
229		};
230
231		button-2 {
232			label = "button_2";
233			gpios = <&pioA 25 GPIO_ACTIVE_LOW>;
234			linux,code = <258>;
235			wakeup-source;
236		};
237
238		button-3 {
239			label = "button_3";
240			gpios = <&pioA 24 GPIO_ACTIVE_LOW>;
241			linux,code = <259>;
242			wakeup-source;
243		};
244	};
245};