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
   9 / {
  10
  11         chosen {
  12                 bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs";
  13                 stdout-path = "serial0:115200n8";
  14         };
  15
  16         memory {
  17                 reg = <0x20000000 0x4000000>;
  18         };
  19
  20         clocks {
  21                 slow_xtal {
  22                         clock-frequency = <32768>;
  23                 };
  24
  25                 main_xtal {
  26                         clock-frequency = <18432000>;
  27                 };
  28         };
  29
  30         ahb {
  31                 apb {
  32                         pinctrl@fffff400 {
  33                                 board {
  34                                         pinctrl_pck0_as_mck: pck0_as_mck {
  35                                                 atmel,pins =
  36                                                         <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;  /* PC1 periph B */
  37                                         };
  38
  39                                 };
  40
  41                                 mmc0_slot1 {
  42                                         pinctrl_board_mmc0_slot1: mmc0_slot1-board {
  43                                                 atmel,pins =
  44                                                         <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;   /* PC9 gpio CD pin pull up and deglitch */
  45                                         };
  46                                 };
  47                         };
  48
  49                         dbgu: serial@fffff200 {
  50                                 status = "okay";
  51                         };
  52
  53                         tcb0: timer@fffa0000 {
  54                                 timer@0 {
  55                                         compatible = "atmel,tcb-timer";
  56                                         reg = <0>, <1>;
  57                                 };
  58
  59                                 timer@2 {
  60                                         compatible = "atmel,tcb-timer";
  61                                         reg = <2>;
  62                                 };
  63                         };
  64
  65                         usart0: serial@fffb0000 {
  66                                 pinctrl-0 =
  67                                         <&pinctrl_usart0
  68                                          &pinctrl_usart0_rts
  69                                          &pinctrl_usart0_cts
  70                                          &pinctrl_usart0_dtr_dsr
  71                                          &pinctrl_usart0_dcd
  72                                          &pinctrl_usart0_ri>;
  73                                 status = "okay";
  74                         };
  75
  76                         usart1: serial@fffb4000 {
  77                                 status = "okay";
  78                         };
  79
  80                         macb0: ethernet@fffc4000 {
  81                                 phy-mode = "rmii";
  82                                 status = "okay";
  83                         };
  84
  85                         usb1: gadget@fffa4000 {
  86                                 atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
  87                                 status = "okay";
  88                         };
  89
  90                         mmc0: mmc@fffa8000 {
  91                                 pinctrl-0 = <
  92                                         &pinctrl_board_mmc0_slot1
  93                                         &pinctrl_mmc0_clk
  94                                         &pinctrl_mmc0_slot1_cmd_dat0
  95                                         &pinctrl_mmc0_slot1_dat1_3>;
  96                                 status = "okay";
  97                                 slot@1 {
  98                                         reg = <1>;
  99                                         bus-width = <4>;
 100                                         cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
 101                                 };
 102                         };
 103
 104                         ssc0: ssc@fffbc000 {
 105                                 status = "okay";
 106                                 pinctrl-0 = <&pinctrl_ssc0_tx>;
 107                         };
 108
 109                         spi0: spi@fffc8000 {
 110                                 cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
 111                                 mtd_dataflash@1 {
 112                                         compatible = "atmel,at45", "atmel,dataflash";
 113                                         spi-max-frequency = <50000000>;
 114                                         reg = <1>;
 115                                 };
 116                         };
 117
 118                         shdwc@fffffd10 {
 119                                 atmel,wakeup-counter = <10>;
 120                                 atmel,wakeup-rtt-timer;
 121                         };
 122
 123                         rtc@fffffd20 {
 124                                 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
 125                                 status = "okay";
 126                         };
 127
 128                         watchdog@fffffd40 {
 129                                 status = "okay";
 130                         };
 131
 132                         gpbr: syscon@fffffd50 {
 133                                 status = "okay";
 134                         };
 135                 };
 136
 137                 ebi: ebi@10000000 {
 138                         status = "okay";
 139
 140                         nand_controller: nand-controller {
 141                                 status = "okay";
 142                                 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
 143                                 pinctrl-names = "default";
 144
 145                                 nand@3 {
 146                                         reg = <0x3 0x0 0x800000>;
 147                                         rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
 148                                         cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
 149                                         nand-bus-width = <8>;
 150                                         nand-ecc-mode = "soft";
 151                                         nand-on-flash-bbt;
 152                                         label = "atmel_nand";
 153
 154                                         partitions {
 155                                                 compatible = "fixed-partitions";
 156                                                 #address-cells = <1>;
 157                                                 #size-cells = <1>;
 158
 159                                                 at91bootstrap@0 {
 160                                                         label = "at91bootstrap";
 161                                                         reg = <0x0 0x20000>;
 162                                                 };
 163
 164                                                 barebox@20000 {
 165                                                         label = "barebox";
 166                                                         reg = <0x20000 0x40000>;
 167                                                 };
 168
 169                                                 bareboxenv@60000 {
 170                                                         label = "bareboxenv";
 171                                                         reg = <0x60000 0x20000>;
 172                                                 };
 173
 174                                                 bareboxenv2@80000 {
 175                                                         label = "bareboxenv2";
 176                                                         reg = <0x80000 0x20000>;
 177                                                 };
 178
 179                                                 oftree@80000 {
 180                                                         label = "oftree";
 181                                                         reg = <0xa0000 0x20000>;
 182                                                 };
 183
 184                                                 kernel@a0000 {
 185                                                         label = "kernel";
 186                                                         reg = <0xc0000 0x400000>;
 187                                                 };
 188
 189                                                 rootfs@4a0000 {
 190                                                         label = "rootfs";
 191                                                         reg = <0x4c0000 0x7800000>;
 192                                                 };
 193
 194                                                 data@7ca0000 {
 195                                                         label = "data";
 196                                                         reg = <0x7cc0000 0x8340000>;
 197                                                 };
 198                                         };
 199                                 };
 200                         };
 201                 };
 202
 203                 usb0: ohci@500000 {
 204                         num-ports = <2>;
 205                         status = "okay";
 206                 };
 207         };
 208
 209         i2c-gpio-0 {
 210                 status = "okay";
 211
 212                 24c512@50 {
 213                         compatible = "atmel,24c512";
 214                         reg = <0x50>;
 215                 };
 216
 217                 wm8731: wm8731@1b {
 218                         compatible = "wm8731";
 219                         reg = <0x1b>;
 220                 };
 221         };
 222
 223         gpio_keys {
 224                 compatible = "gpio-keys";
 225
 226                 btn3 {
 227                         label = "Button 3";
 228                         gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
 229                         linux,code = <0x103>;
 230                         wakeup-source;
 231                 };
 232
 233                 btn4 {
 234                         label = "Button 4";
 235                         gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
 236                         linux,code = <0x104>;
 237                         wakeup-source;
 238                 };
 239         };
 240
 241         sound {
 242                 compatible = "atmel,at91sam9g20ek-wm8731-audio";
 243                 pinctrl-names = "default";
 244                 pinctrl-0 = <&pinctrl_pck0_as_mck>;
 245
 246                 atmel,model = "wm8731 @ AT91SAMG20EK";
 247
 248                 atmel,audio-routing =
 249                         "Ext Spk", "LHPOUT",
 250                         "Int Mic", "MICIN";
 251
 252                 atmel,ssc-controller = <&ssc0>;
 253                 atmel,audio-codec = <&wm8731>;
 254         };
 255 };