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                                 mmc0_slot1 {
  43                                         pinctrl_board_mmc0_slot1: mmc0_slot1-board {
  44                                                 atmel,pins =
  45                                                         <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;   /* PC9 gpio CD pin pull up and deglitch */
  46                                         };
  47                                 };
  48                         };
  49
  50                         dbgu: serial@fffff200 {
  51                                 status = "okay";
  52                         };
  53
  54                         tcb0: timer@fffa0000 {
  55                                 timer@0 {
  56                                         compatible = "atmel,tcb-timer";
  57                                         reg = <0>, <1>;
  58                                 };
  59
  60                                 timer@2 {
  61                                         compatible = "atmel,tcb-timer";
  62                                         reg = <2>;
  63                                 };
  64                         };
  65
  66                         usart0: serial@fffb0000 {
  67                                 pinctrl-0 =
  68                                         <&pinctrl_usart0
  69                                          &pinctrl_usart0_rts
  70                                          &pinctrl_usart0_cts
  71                                          &pinctrl_usart0_dtr_dsr
  72                                          &pinctrl_usart0_dcd
  73                                          &pinctrl_usart0_ri>;
  74                                 status = "okay";
  75                         };
  76
  77                         usart1: serial@fffb4000 {
  78                                 status = "okay";
  79                         };
  80
  81                         macb0: ethernet@fffc4000 {
  82                                 phy-mode = "rmii";
  83                                 status = "okay";
  84                         };
  85
  86                         usb1: gadget@fffa4000 {
  87                                 atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
  88                                 status = "okay";
  89                         };
  90
  91                         mmc0: mmc@fffa8000 {
  92                                 pinctrl-0 = <
  93                                         &pinctrl_board_mmc0_slot1
  94                                         &pinctrl_mmc0_clk
  95                                         &pinctrl_mmc0_slot1_cmd_dat0
  96                                         &pinctrl_mmc0_slot1_dat1_3>;
  97                                 pinctrl-names = "default";
  98                                 status = "okay";
  99                                 slot@1 {
 100                                         reg = <1>;
 101                                         bus-width = <4>;
 102                                         cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
 103                                 };
 104                         };
 105
 106                         ssc0: ssc@fffbc000 {
 107                                 status = "okay";
 108                                 pinctrl-0 = <&pinctrl_ssc0_tx>;
 109                         };
 110
 111                         spi0: spi@fffc8000 {
 112                                 cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
 113                                 mtd_dataflash@1 {
 114                                         compatible = "atmel,at45", "atmel,dataflash";
 115                                         spi-max-frequency = <50000000>;
 116                                         reg = <1>;
 117                                 };
 118                         };
 119
 120                         shdwc@fffffd10 {
 121                                 atmel,wakeup-counter = <10>;
 122                                 atmel,wakeup-rtt-timer;
 123                         };
 124
 125                         rtc@fffffd20 {
 126                                 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
 127                                 status = "okay";
 128                         };
 129
 130                         watchdog@fffffd40 {
 131                                 status = "okay";
 132                         };
 133
 134                         gpbr: syscon@fffffd50 {
 135                                 status = "okay";
 136                         };
 137                 };
 138
 139                 ebi: ebi@10000000 {
 140                         status = "okay";
 141
 142                         nand_controller: nand-controller {
 143                                 status = "okay";
 144                                 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
 145                                 pinctrl-names = "default";
 146
 147                                 nand@3 {
 148                                         reg = <0x3 0x0 0x800000>;
 149                                         rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
 150                                         cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
 151                                         nand-bus-width = <8>;
 152                                         nand-ecc-mode = "soft";
 153                                         nand-on-flash-bbt;
 154                                         label = "atmel_nand";
 155
 156                                         partitions {
 157                                                 compatible = "fixed-partitions";
 158                                                 #address-cells = <1>;
 159                                                 #size-cells = <1>;
 160
 161                                                 at91bootstrap@0 {
 162                                                         label = "at91bootstrap";
 163                                                         reg = <0x0 0x20000>;
 164                                                 };
 165
 166                                                 barebox@20000 {
 167                                                         label = "barebox";
 168                                                         reg = <0x20000 0x40000>;
 169                                                 };
 170
 171                                                 bareboxenv@60000 {
 172                                                         label = "bareboxenv";
 173                                                         reg = <0x60000 0x20000>;
 174                                                 };
 175
 176                                                 bareboxenv2@80000 {
 177                                                         label = "bareboxenv2";
 178                                                         reg = <0x80000 0x20000>;
 179                                                 };
 180
 181                                                 oftree@80000 {
 182                                                         label = "oftree";
 183                                                         reg = <0xa0000 0x20000>;
 184                                                 };
 185
 186                                                 kernel@a0000 {
 187                                                         label = "kernel";
 188                                                         reg = <0xc0000 0x400000>;
 189                                                 };
 190
 191                                                 rootfs@4a0000 {
 192                                                         label = "rootfs";
 193                                                         reg = <0x4c0000 0x7800000>;
 194                                                 };
 195
 196                                                 data@7ca0000 {
 197                                                         label = "data";
 198                                                         reg = <0x7cc0000 0x8340000>;
 199                                                 };
 200                                         };
 201                                 };
 202                         };
 203                 };
 204
 205                 usb0: ohci@500000 {
 206                         num-ports = <2>;
 207                         status = "okay";
 208                 };
 209         };
 210
 211         i2c-gpio-0 {
 212                 status = "okay";
 213
 214                 24c512@50 {
 215                         compatible = "atmel,24c512";
 216                         reg = <0x50>;
 217                 };
 218
 219                 wm8731: wm8731@1b {
 220                         compatible = "wm8731";
 221                         reg = <0x1b>;
 222                 };
 223         };
 224
 225         gpio_keys {
 226                 compatible = "gpio-keys";
 227
 228                 btn3 {
 229                         label = "Button 3";
 230                         gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
 231                         linux,code = <0x103>;
 232                         wakeup-source;
 233                 };
 234
 235                 btn4 {
 236                         label = "Button 4";
 237                         gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
 238                         linux,code = <KEY_PROG1>;
 239                         wakeup-source;
 240                 };
 241         };
 242
 243         sound {
 244                 compatible = "atmel,at91sam9g20ek-wm8731-audio";
 245                 pinctrl-names = "default";
 246                 pinctrl-0 = <&pinctrl_pck0_as_mck>;
 247
 248                 atmel,model = "wm8731 @ AT91SAMG20EK";
 249
 250                 atmel,audio-routing =
 251                         "Ext Spk", "LHPOUT",
 252                         "Int Mic", "MICIN";
 253
 254                 atmel,ssc-controller = <&ssc0>;
 255                 atmel,audio-codec = <&wm8731>;
 256         };
 257 };