arch/arm/boot/dts/at91sam9261ek.dts

   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                 clocksource {
  19                         timer = <&timer0>;
  20                 };
  21
  22                 clockevent {
  23                         timer = <&timer1>;
  24                 };
  25         };
  26
  27         memory {
  28                 reg = <0x20000000 0x4000000>;
  29         };
  30
  31         clocks {
  32                 slow_xtal {
  33                         clock-frequency = <32768>;
  34                 };
  35
  36                 main_xtal {
  37                         clock-frequency = <18432000>;
  38                 };
  39         };
  40
  41         ahb {
  42                 usb0: ohci@500000 {
  43                         status = "okay";
  44                 };
  45
  46                 fb0: fb@600000 {
  47                         display = <&display0>;
  48                         atmel,power-control-gpio = <&pioA 12 GPIO_ACTIVE_LOW>;
  49                         status = "okay";
  50
  51                         display0: display {
  52                                 bits-per-pixel = <16>;
  53                                 atmel,lcdcon-backlight;
  54                                 atmel,dmacon = <0x1>;
  55                                 atmel,lcdcon2 = <0x80008002>;
  56                                 atmel,guard-time = <1>;
  57                                 atmel,lcd-wiring-mode = "BRG";
  58
  59                                 display-timings {
  60                                         native-mode = <&timing0>;
  61                                         timing0: timing0 {
  62                                                 clock-frequency = <4965000>;
  63                                                 hactive = <240>;
  64                                                 vactive = <320>;
  65                                                 hback-porch = <1>;
  66                                                 hfront-porch = <33>;
  67                                                 vback-porch = <1>;
  68                                                 vfront-porch = <0>;
  69                                                 hsync-len = <5>;
  70                                                 vsync-len = <1>;
  71                                                 hsync-active = <1>;
  72                                                 vsync-active = <1>;
  73                                         };
  74                                 };
  75                         };
  76                 };
  77
  78                 ebi: ebi@10000000 {
  79                         status = "okay";
  80
  81                         nand_controller: nand-controller {
  82                                 status = "okay";
  83                                 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
  84                                 pinctrl-names = "default";
  85
  86                                 nand@3 {
  87                                         reg = <0x3 0x0 0x800000>;
  88                                         rb-gpios = <&pioC 15 GPIO_ACTIVE_HIGH>;
  89                                         cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
  90                                         nand-bus-width = <8>;
  91                                         nand-ecc-mode = "soft";
  92                                         nand-on-flash-bbt;
  93                                         label = "atmel_nand";
  94
  95                                         partitions {
  96                                                 compatible = "fixed-partitions";
  97                                                 #address-cells = <1>;
  98                                                 #size-cells = <1>;
  99
 100                                                 at91bootstrap@0 {
 101                                                         label = "at91bootstrap";
 102                                                         reg = <0x0 0x40000>;
 103                                                 };
 104
 105                                                 bootloader@40000 {
 106                                                         label = "bootloader";
 107                                                         reg = <0x40000 0x80000>;
 108                                                 };
 109
 110                                                 bootloaderenv@c0000 {
 111                                                         label = "bootloader env";
 112                                                         reg = <0xc0000 0xc0000>;
 113                                                 };
 114
 115                                                 dtb@180000 {
 116                                                         label = "device tree";
 117                                                         reg = <0x180000 0x80000>;
 118                                                 };
 119
 120                                                 kernel@200000 {
 121                                                         label = "kernel";
 122                                                         reg = <0x200000 0x600000>;
 123                                                 };
 124
 125                                                 rootfs@800000 {
 126                                                         label = "rootfs";
 127                                                         reg = <0x800000 0x0f800000>;
 128                                                 };
 129                                         };
 130                                 };
 131                         };
 132                 };
 133
 134                 apb {
 135                         tcb0: timer@fffa0000 {
 136                                 timer0: timer@0 {
 137                                         compatible = "atmel,tcb-timer";
 138                                         reg = <0>, <1>;
 139                                 };
 140
 141                                 timer1: timer@2 {
 142                                         compatible = "atmel,tcb-timer";
 143                                         reg = <2>;
 144                                 };
 145                         };
 146
 147                         usb1: gadget@fffa4000 {
 148                                 atmel,vbus-gpio = <&pioB 29 GPIO_ACTIVE_HIGH>;
 149                                 status = "okay";
 150                         };
 151
 152                         spi0: spi@fffc8000 {
 153                                 cs-gpios = <&pioA 3 0>, <0>, <&pioA 28 0>, <0>;
 154                                 status = "okay";
 155
 156                                 mtd_dataflash@0 {
 157                                         compatible = "atmel,at45", "atmel,dataflash";
 158                                         reg = <0>;
 159                                         spi-max-frequency = <15000000>;
 160                                 };
 161
 162                                 tsc2046@2 {
 163                                         reg = <2>;
 164                                         compatible = "ti,ads7843";
 165                                         interrupts-extended = <&pioC 2 IRQ_TYPE_EDGE_BOTH>;
 166                                         spi-max-frequency = <3000000>;
 167                                         pendown-gpio = <&pioC 2 GPIO_ACTIVE_HIGH>;
 168
 169                                         ti,x-min = /bits/ 16 <150>;
 170                                         ti,x-max = /bits/ 16 <3830>;
 171                                         ti,y-min = /bits/ 16 <190>;
 172                                         ti,y-max = /bits/ 16 <3830>;
 173                                         ti,vref-delay-usecs = /bits/ 16 <450>;
 174                                         ti,x-plate-ohms = /bits/ 16 <450>;
 175                                         ti,y-plate-ohms = /bits/ 16 <250>;
 176                                         ti,pressure-max = /bits/ 16 <15000>;
 177                                         ti,debounce-rep = /bits/ 16 <0>;
 178                                         ti,debounce-tol = /bits/ 16 <65535>;
 179                                         ti,debounce-max = /bits/ 16 <1>;
 180
 181                                         wakeup-source;
 182                                 };
 183                         };
 184
 185                         dbgu: serial@fffff200 {
 186                                 status = "okay";
 187                         };
 188
 189                         watchdog@fffffd40 {
 190                                 status = "okay";
 191                         };
 192
 193                 };
 194         };
 195
 196         leds {
 197                 compatible = "gpio-leds";
 198
 199                 ds8 {
 200                         label = "ds8";
 201                         gpios = <&pioA 13 GPIO_ACTIVE_LOW>;
 202                         linux,default-trigger = "none";
 203                 };
 204
 205                 ds7 {
 206                         label = "ds7";
 207                         gpios = <&pioA 14 GPIO_ACTIVE_LOW>;
 208                         linux,default-trigger = "nand-disk";
 209                 };
 210
 211                 ds1 {
 212                         label = "ds1";
 213                         gpios = <&pioA 23 GPIO_ACTIVE_LOW>;
 214                         linux,default-trigger = "heartbeat";
 215                 };
 216         };
 217
 218         gpio_keys {
 219                 compatible = "gpio-keys";
 220
 221                 button_0 {
 222                         label = "button_0";
 223                         gpios = <&pioA 27 GPIO_ACTIVE_LOW>;
 224                         linux,code = <256>;
 225                         wakeup-source;
 226                 };
 227
 228                 button_1 {
 229                         label = "button_1";
 230                         gpios = <&pioA 26 GPIO_ACTIVE_LOW>;
 231                         linux,code = <257>;
 232                         wakeup-source;
 233                 };
 234
 235                 button_2 {
 236                         label = "button_2";
 237                         gpios = <&pioA 25 GPIO_ACTIVE_LOW>;
 238                         linux,code = <258>;
 239                         wakeup-source;
 240                 };
 241
 242                 button_3 {
 243                         label = "button_3";
 244                         gpios = <&pioA 24 GPIO_ACTIVE_LOW>;
 245                         linux,code = <259>;
 246                         wakeup-source;
 247                 };
 248         };
 249 };