arch/arm/boot/dts/at91-wb45n.dtsi

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * at91-wb45n.dtsi - Device Tree file for WB45NBT board
   4  *
   5  *  Copyright (C) 2018 Laird
   6  *
   7  */
   8
   9 #include "at91sam9g25.dtsi"
  10
  11 / {
  12         model = "Laird Workgroup Bridge 45N - Atmel AT91SAM (dt)";
  13         compatible = "laird,wb45n", "laird,wbxx", "atmel,at91sam9x5", "atmel,at91sam9";
  14
  15         chosen {
  16                 bootargs = "ubi.mtd=6 root=ubi0:rootfs rootfstype=ubifs rw";
  17                 stdout-path = "serial0:115200n8";
  18         };
  19
  20         memory@20000000 {
  21                 reg = <0x20000000 0x4000000>;
  22         };
  23
  24         atheros {
  25                 compatible = "atheros,ath6kl";
  26                 atheros,board-id = "SD32";
  27         };
  28 };
  29
  30 &reset_controller {
  31         compatible = "atmel,sama5d3-rstc";
  32 };
  33
  34 &shutdown_controller {
  35         atmel,wakeup-mode = "low";
  36 };
  37
  38 &slow_xtal {
  39         clock-frequency = <32768>;
  40 };
  41
  42 &main_xtal {
  43         clock-frequency = <12000000>;
  44 };
  45
  46 &ebi {
  47         status = "okay";
  48         nand_controller: nand-controller {
  49                 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb &pinctrl_nand_oe_we>;
  50                 pinctrl-names = "default";
  51                 status = "okay";
  52
  53                 nand@3 {
  54                         reg = <0x3 0x0 0x800000>;
  55                         rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
  56                         cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
  57                         nand-bus-width = <8>;
  58                         nand-ecc-mode = "hw";
  59                         nand-ecc-strength = <4>;
  60                         nand-ecc-step-size = <512>;
  61                         nand-on-flash-bbt;
  62                         label = "atmel_nand";
  63
  64                         partitions {
  65                                 compatible = "fixed-partitions";
  66                                 #address-cells = <1>;
  67                                 #size-cells = <1>;
  68
  69                                 at91bootstrap@0 {
  70                                         label = "at91bs";
  71                                         reg = <0x0 0x20000>;
  72                                 };
  73
  74                                 uboot@20000 {
  75                                         label = "u-boot";
  76                                         reg = <0x20000 0x80000>;
  77                                 };
  78
  79                                 ubootenv@a0000 {
  80                                         label = "u-boot-env";
  81                                         reg = <0xa0000 0x20000>;
  82                                 };
  83
  84                                 ubootenv@c0000 {
  85                                         label = "redund-env";
  86                                         reg = <0xc0000 0x20000>;
  87                                 };
  88
  89                                 kernel-a@e0000 {
  90                                         label = "kernel-a";
  91                                         reg = <0xe0000 0x280000>;
  92                                 };
  93
  94                                 kernel-b@360000 {
  95                                         label = "kernel-b";
  96                                         reg = <0x360000 0x280000>;
  97                                 };
  98
  99                                 rootfs-a@5e0000 {
 100                                         label = "rootfs-a";
 101                                         reg = <0x5e0000 0x2600000>;
 102                                 };
 103
 104                                 rootfs-b@2be0000 {
 105                                         label = "rootfs-b";
 106                                         reg = <0x2be0000 0x2600000>;
 107                                 };
 108
 109                                 user@51e0000 {
 110                                         label = "user";
 111                                         reg = <0x51e0000 0x2dc0000>;
 112                                 };
 113
 114                                 logs@7fa0000 {
 115                                         label = "logs";
 116                                         reg = <0x7fa0000 0x60000>;
 117                                 };
 118
 119                         };
 120                 };
 121         };
 122 };
 123
 124 &usb0 {
 125         num-ports = <2>;
 126         atmel,vbus-gpio = <
 127                 &pioB 12 GPIO_ACTIVE_HIGH
 128                 &pioA 31 GPIO_ACTIVE_HIGH
 129                 >;
 130         atmel,oc-gpio = <&pioB 13 GPIO_ACTIVE_LOW>;
 131 };
 132
 133 &macb0 {
 134         phy-mode = "rmii";
 135 };
 136
 137 &spi0 {
 138         cs-gpios = <&pioA 14 0>, <&pioA 7 0>, <0>, <0>;
 139 };
 140
 141 &usb2 {
 142         pinctrl-names = "default";
 143         pinctrl-0 = <&pinctrl_board_usb2>;
 144         atmel,vbus-gpio = <&pioB 11 GPIO_ACTIVE_HIGH>;
 145 };
 146
 147 &mmc0 {
 148         pinctrl-names = "default";
 149         pinctrl-0 = <
 150                 &pinctrl_mmc0_slot0_clk_cmd_dat0
 151                 &pinctrl_mmc0_slot0_dat1_3>;
 152         slot@0 {
 153                 reg = <0>;
 154                 bus-width = <4>;
 155         };
 156 };
 157
 158 &pinctrl {
 159         usb2 {
 160                 pinctrl_board_usb2: usb2-board {
 161                         atmel,pins =
 162                                 <AT91_PIOB 11 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;          /* PB11 gpio vbus sense, deglitch */
 163                 };
 164         };
 165 };
 166