Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/at91sam9261ek.dts
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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 };
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