arch/arm/boot/dts/at91sam9g20ek_common.dtsi

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * at91sam9g20ek_common.dtsi - Device Tree file for Atmel at91sam9g20ek board
   4  *
   5  * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
   6  */
   7 #include "at91sam9g20.dtsi"
   8 #include <dt-bindings/input/input.h>
   9
  10 / {
  11
  12         chosen {
  13                 bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs";
  14                 stdout-path = "serial0:115200n8";
  15         };
  16
  17         memory@20000000 {
  18                 reg = <0x20000000 0x4000000>;
  19         };
  20
  21         clocks {
  22                 slow_xtal {
  23                         clock-frequency = <32768>;
  24                 };
  25
  26                 main_xtal {
  27                         clock-frequency = <18432000>;
  28                 };
  29         };
  30
  31         ahb {
  32                 apb {
  33                         pinctrl@fffff400 {
  34                                 board {
  35                                         pinctrl_pck0_as_mck: pck0_as_mck {
  36                                                 atmel,pins =
  37                                                         <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;  /* PC1 periph B */
  38                                         };
  39
  40                                 };
  41
  42                                 usb1 {
  43                                         pinctrl_usb1_vbus_gpio: usb1_vbus_gpio {
  44                                                 atmel,pins =
  45                                                         <AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;   /* PC5 GPIO */
  46                                         };
  47                                 };
  48
  49                                 mmc0_slot1 {
  50                                         pinctrl_board_mmc0_slot1: mmc0_slot1-board {
  51                                                 atmel,pins =
  52                                                         <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;   /* PC9 gpio CD pin pull up and deglitch */
  53                                         };
  54                                 };
  55                         };
  56
  57                         dbgu: serial@fffff200 {
  58                                 status = "okay";
  59                         };
  60
  61                         tcb0: timer@fffa0000 {
  62                                 timer@0 {
  63                                         compatible = "atmel,tcb-timer";
  64                                         reg = <0>, <1>;
  65                                 };
  66
  67                                 timer@2 {
  68                                         compatible = "atmel,tcb-timer";
  69                                         reg = <2>;
  70                                 };
  71                         };
  72
  73                         usart0: serial@fffb0000 {
  74                                 pinctrl-0 =
  75                                         <&pinctrl_usart0
  76                                          &pinctrl_usart0_rts
  77                                          &pinctrl_usart0_cts
  78                                          &pinctrl_usart0_dtr_dsr
  79                                          &pinctrl_usart0_dcd
  80                                          &pinctrl_usart0_ri>;
  81                                 status = "okay";
  82                         };
  83
  84                         usart1: serial@fffb4000 {
  85                                 status = "okay";
  86                         };
  87
  88                         macb0: ethernet@fffc4000 {
  89                                 phy-mode = "rmii";
  90                                 status = "okay";
  91                         };
  92
  93                         usb1: gadget@fffa4000 {
  94                                 pinctrl-0 = <&pinctrl_usb1_vbus_gpio>;
  95                                 pinctrl-names = "default";
  96                                 atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
  97                                 status = "okay";
  98                         };
  99
 100                         mmc0: mmc@fffa8000 {
 101                                 pinctrl-0 = <
 102                                         &pinctrl_board_mmc0_slot1
 103                                         &pinctrl_mmc0_clk
 104                                         &pinctrl_mmc0_slot1_cmd_dat0
 105                                         &pinctrl_mmc0_slot1_dat1_3>;
 106                                 pinctrl-names = "default";
 107                                 status = "okay";
 108                                 slot@1 {
 109                                         reg = <1>;
 110                                         bus-width = <4>;
 111                                         cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
 112                                 };
 113                         };
 114
 115                         ssc0: ssc@fffbc000 {
 116                                 status = "okay";
 117                                 pinctrl-0 = <&pinctrl_ssc0_tx>;
 118                         };
 119
 120                         spi0: spi@fffc8000 {
 121                                 cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
 122                                 flash@1 {
 123                                         compatible = "atmel,at45", "atmel,dataflash";
 124                                         spi-max-frequency = <50000000>;
 125                                         reg = <1>;
 126                                 };
 127                         };
 128
 129                         shdwc@fffffd10 {
 130                                 atmel,wakeup-counter = <10>;
 131                                 atmel,wakeup-rtt-timer;
 132                         };
 133
 134                         rtc@fffffd20 {
 135                                 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
 136                                 status = "okay";
 137                         };
 138
 139                         watchdog@fffffd40 {
 140                                 status = "okay";
 141                         };
 142
 143                         gpbr: syscon@fffffd50 {
 144                                 status = "okay";
 145                         };
 146                 };
 147
 148                 ebi: ebi@10000000 {
 149                         status = "okay";
 150
 151                         nand_controller: nand-controller {
 152                                 status = "okay";
 153                                 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
 154                                 pinctrl-names = "default";
 155
 156                                 nand@3 {
 157                                         reg = <0x3 0x0 0x800000>;
 158                                         rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
 159                                         cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
 160                                         nand-bus-width = <8>;
 161                                         nand-ecc-mode = "soft";
 162                                         nand-on-flash-bbt;
 163                                         label = "atmel_nand";
 164
 165                                         partitions {
 166                                                 compatible = "fixed-partitions";
 167                                                 #address-cells = <1>;
 168                                                 #size-cells = <1>;
 169
 170                                                 at91bootstrap@0 {
 171                                                         label = "at91bootstrap";
 172                                                         reg = <0x0 0x20000>;
 173                                                 };
 174
 175                                                 barebox@20000 {
 176                                                         label = "barebox";
 177                                                         reg = <0x20000 0x40000>;
 178                                                 };
 179
 180                                                 bareboxenv@60000 {
 181                                                         label = "bareboxenv";
 182                                                         reg = <0x60000 0x20000>;
 183                                                 };
 184
 185                                                 bareboxenv2@80000 {
 186                                                         label = "bareboxenv2";
 187                                                         reg = <0x80000 0x20000>;
 188                                                 };
 189
 190                                                 oftree@80000 {
 191                                                         label = "oftree";
 192                                                         reg = <0xa0000 0x20000>;
 193                                                 };
 194
 195                                                 kernel@a0000 {
 196                                                         label = "kernel";
 197                                                         reg = <0xc0000 0x400000>;
 198                                                 };
 199
 200                                                 rootfs@4a0000 {
 201                                                         label = "rootfs";
 202                                                         reg = <0x4c0000 0x7800000>;
 203                                                 };
 204
 205                                                 data@7ca0000 {
 206                                                         label = "data";
 207                                                         reg = <0x7cc0000 0x8340000>;
 208                                                 };
 209                                         };
 210                                 };
 211                         };
 212                 };
 213
 214                 usb0: ohci@500000 {
 215                         num-ports = <2>;
 216                         status = "okay";
 217                 };
 218         };
 219
 220         i2c-gpio-0 {
 221                 status = "okay";
 222
 223                 24c512@50 {
 224                         compatible = "atmel,24c512";
 225                         reg = <0x50>;
 226                         vcc-supply = <&reg_3v3>;
 227                 };
 228
 229                 wm8731: wm8731@1b {
 230                         compatible = "wm8731";
 231                         reg = <0x1b>;
 232
 233                         /* PCK0 at 12MHz */
 234                         clocks = <&pmc PMC_TYPE_SYSTEM 8>;
 235                         clock-names = "mclk";
 236                         assigned-clocks = <&pmc PMC_TYPE_SYSTEM 8>;
 237                         assigned-clock-rates = <12000000>;
 238
 239                         HPVDD-supply = <&vcc_dac>;
 240                         AVDD-supply = <&vcc_dac>;
 241                         DCVDD-supply = <&reg_3v3>;
 242                         DBVDD-supply = <&reg_3v3>;
 243                 };
 244         };
 245
 246         gpio-keys {
 247                 compatible = "gpio-keys";
 248
 249                 button-3 {
 250                         label = "Button 3";
 251                         gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
 252                         linux,code = <0x103>;
 253                         wakeup-source;
 254                 };
 255
 256                 button-4 {
 257                         label = "Button 4";
 258                         gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
 259                         linux,code = <KEY_PROG1>;
 260                         wakeup-source;
 261                 };
 262         };
 263
 264         sound {
 265                 compatible = "atmel,at91sam9g20ek-wm8731-audio";
 266                 pinctrl-names = "default";
 267                 pinctrl-0 = <&pinctrl_pck0_as_mck>;
 268
 269                 atmel,model = "wm8731 @ AT91SAMG20EK";
 270
 271                 atmel,audio-routing =
 272                         "Ext Spk", "LHPOUT",
 273                         "Int Mic", "MICIN";
 274
 275                 atmel,ssc-controller = <&ssc0>;
 276                 atmel,audio-codec = <&wm8731>;
 277         };
 278
 279         reg_5v: fixedregulator0 {
 280                 compatible = "regulator-fixed";
 281                 regulator-name = "5V";
 282                 regulator-min-microvolt = <5000000>;
 283                 regulator-max-microvolt = <5000000>;
 284         };
 285
 286         reg_3v3: fixedregulator1 {
 287                 compatible = "regulator-fixed";
 288                 regulator-name = "3V3";
 289                 vin-supply = <&reg_5v>;
 290                 regulator-min-microvolt = <3300000>;
 291                 regulator-max-microvolt = <3300000>;
 292         };
 293
 294         reg_1v: fixedregulator2 {
 295                 compatible = "regulator-fixed";
 296                 regulator-name = "1V";
 297                 vin-supply = <&reg_5v>;
 298                 regulator-min-microvolt = <1000000>;
 299                 regulator-max-microvolt = <1000000>;
 300         };
 301
 302         vcc_dac: fixedregulator3 {
 303                 compatible = "regulator-fixed";
 304                 regulator-name = "VCC_DAC";
 305                 vin-supply = <&reg_3v3>;
 306                 regulator-min-microvolt = <3300000>;
 307                 regulator-max-microvolt = <3300000>;
 308         };
 309 };