arch/arm/boot/dts/microchip/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
  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_LOW>;
 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 };