src/arm/microchip/at91-sama5d3_eds.dts

   1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
   2 /*
   3  * at91-sama5d3_eds.dts - Device Tree file for the SAMA5D3 Ethernet
   4  *    Development System board.
   5  *
   6  * Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries
   7  *
   8  * Author: Jerry Ray <jerry.ray@microchip.com>
   9  */
  10 /dts-v1/;
  11 #include "sama5d36.dtsi"
  12
  13 / {
  14         model = "SAMA5D3 Ethernet Development System";
  15         compatible = "microchip,sama5d3-eds", "atmel,sama5d36",
  16                      "atmel,sama5d3", "atmel,sama5";
  17
  18         chosen {
  19                 stdout-path = "serial0:115200n8";
  20         };
  21
  22         gpio-keys {
  23                 compatible = "gpio-keys";
  24
  25                 pinctrl-names = "default";
  26                 pinctrl-0 = <&pinctrl_key_gpio>;
  27
  28                 button-3 {
  29                         label = "PB_USER";
  30                         gpios = <&pioE 29 GPIO_ACTIVE_LOW>;
  31                         linux,code = <0x104>;
  32                         wakeup-source;
  33                 };
  34         };
  35
  36         memory@20000000 {
  37                 reg = <0x20000000 0x10000000>;
  38         };
  39
  40         vcc_3v3_reg: regulator-1 {
  41                 compatible = "regulator-fixed";
  42                 regulator-name = "VCC_3V3";
  43                 regulator-min-microvolt = <3300000>;
  44                 regulator-max-microvolt = <3300000>;
  45                 regulator-always-on;
  46         };
  47
  48         vcc_2v5_reg: regulator-2 {
  49                 compatible = "regulator-fixed";
  50                 regulator-name = "VCC_2V5";
  51                 regulator-min-microvolt = <2500000>;
  52                 regulator-max-microvolt = <2500000>;
  53                 regulator-always-on;
  54                 vin-supply = <&vcc_3v3_reg>;
  55         };
  56
  57         vcc_1v8_reg: regulator-3 {
  58                 compatible = "regulator-fixed";
  59                 regulator-name = "VCC_1V8";
  60                 regulator-min-microvolt = <1800000>;
  61                 regulator-max-microvolt = <1800000>;
  62                 regulator-always-on;
  63                 vin-supply = <&vcc_3v3_reg>;
  64         };
  65
  66         vcc_1v2_reg: regulator-4 {
  67                 compatible = "regulator-fixed";
  68                 regulator-name = "VCC_1V2";
  69                 regulator-min-microvolt = <1200000>;
  70                 regulator-max-microvolt = <1200000>;
  71                 regulator-always-on;
  72         };
  73
  74         vcc_mmc0_reg: regulator-5 {
  75                 compatible = "regulator-fixed";
  76                 regulator-name = "mmc0-card-supply";
  77                 regulator-min-microvolt = <3300000>;
  78                 regulator-max-microvolt = <3300000>;
  79                 regulator-always-on;
  80                 pinctrl-names = "default";
  81                 pinctrl-0 = <&pinctrl_vcc_mmc0_reg_gpio>;
  82                 gpio = <&pioE 2 GPIO_ACTIVE_LOW>;
  83         };
  84 };
  85
  86 &can0 {
  87         status = "okay";
  88 };
  89
  90 &dbgu {
  91         status = "okay";
  92 };
  93
  94 &ebi {
  95         pinctrl-0 = <&pinctrl_ebi_nand_addr>;
  96         pinctrl-names = "default";
  97         status = "okay";
  98
  99         nand_controller: nand-controller {
 100                 status = "okay";
 101
 102                 nand@3 {
 103                         reg = <0x3 0x0 0x2>;
 104                         atmel,rb = <0>;
 105                         nand-bus-width = <8>;
 106                         nand-ecc-mode = "hw";
 107                         nand-ecc-strength = <4>;
 108                         nand-ecc-step-size = <512>;
 109                         nand-on-flash-bbt;
 110                         label = "atmel_nand";
 111
 112                         partitions {
 113                                 compatible = "fixed-partitions";
 114                                 #address-cells = <1>;
 115                                 #size-cells = <1>;
 116
 117                                 at91bootstrap@0 {
 118                                         label = "at91bootstrap";
 119                                         reg = <0x0 0x40000>;
 120                                 };
 121
 122                                 bootloader@40000 {
 123                                         label = "bootloader";
 124                                         reg = <0x40000 0xc0000>;
 125                                 };
 126
 127                                 bootloaderenvred@100000 {
 128                                         label = "bootloader env redundant";
 129                                         reg = <0x100000 0x40000>;
 130                                 };
 131
 132                                 bootloaderenv@140000 {
 133                                         label = "bootloader env";
 134                                         reg = <0x140000 0x40000>;
 135                                 };
 136
 137                                 dtb@180000 {
 138                                         label = "device tree";
 139                                         reg = <0x180000 0x80000>;
 140                                 };
 141
 142                                 kernel@200000 {
 143                                         label = "kernel";
 144                                         reg = <0x200000 0x600000>;
 145                                 };
 146
 147                                 rootfs@800000 {
 148                                         label = "rootfs";
 149                                         reg = <0x800000 0x0f800000>;
 150                                 };
 151                         };
 152                 };
 153         };
 154 };
 155
 156 &i2c0 {
 157         pinctrl-0 = <&pinctrl_i2c0_pu>;
 158         status = "okay";
 159 };
 160
 161 &i2c1 {
 162         status = "okay";
 163 };
 164
 165 &i2c2 {
 166         pinctrl-0 = <&pinctrl_i2c2_pu>;
 167         status = "okay";
 168 };
 169
 170 &main_xtal {
 171         clock-frequency = <12000000>;
 172 };
 173
 174 &mmc0 {
 175         pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3
 176                      &pinctrl_mmc0_dat4_7 &pinctrl_mmc0_cd>;
 177         vmmc-supply = <&vcc_mmc0_reg>;
 178         vqmmc-supply = <&vcc_3v3_reg>;
 179         status = "okay";
 180         slot@0 {
 181                 reg = <0>;
 182                 bus-width = <8>;
 183                 cd-gpios = <&pioE 0 GPIO_ACTIVE_LOW>;
 184         };
 185 };
 186
 187 &pinctrl {
 188         board {
 189                 pinctrl_i2c0_pu: i2c0-pu {
 190                         atmel,pins =
 191                                 <AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
 192                                 <AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
 193                 };
 194
 195                 pinctrl_i2c2_pu: i2c2-pu {
 196                         atmel,pins =
 197                                 <AT91_PIOA 18 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>,
 198                                 <AT91_PIOA 19 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>;
 199                 };
 200
 201                 pinctrl_key_gpio: key-gpio-0 {
 202                         atmel,pins =
 203                                 <AT91_PIOE 29 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
 204                 };
 205
 206                 pinctrl_mmc0_cd: mmc0-cd {
 207                         atmel,pins =
 208                                 <AT91_PIOE 0 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
 209                 };
 210
 211                 /* Reserved for reset signal to the RGMII connector. */
 212                 pinctrl_rgmii_rstn: rgmii-rstn {
 213                         atmel,pins =
 214                                 <AT91_PIOD 18 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
 215                 };
 216
 217                 /* Reserved for an interrupt line from the RMII and RGMII connectors. */
 218                 pinctrl_spi_irqn: spi-irqn {
 219                         atmel,pins =
 220                                 <AT91_PIOB 28 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
 221                 };
 222
 223                 pinctrl_spi0_cs: spi0-cs-default {
 224                         atmel,pins =
 225                                 <AT91_PIOD 13 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
 226                                  AT91_PIOD 16 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
 227                 };
 228
 229                 pinctrl_spi1_cs: spi1-cs-default {
 230                         atmel,pins = <AT91_PIOC 25 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
 231                                       AT91_PIOC 28 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
 232                 };
 233
 234                 pinctrl_usba_vbus: usba-vbus {
 235                         atmel,pins =
 236                                 <AT91_PIOE 9 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
 237                 };
 238
 239                 pinctrl_usb_default: usb-default {
 240                         atmel,pins =
 241                                 <AT91_PIOE 3 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
 242                                  AT91_PIOE 4 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
 243                 };
 244
 245                 /* Reserved for VBUS fault interrupt. */
 246                 pinctrl_vbusfault_irqn: vbusfault-irqn {
 247                         atmel,pins =
 248                                 <AT91_PIOE 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
 249                 };
 250
 251                 pinctrl_vcc_mmc0_reg_gpio: vcc-mmc0-reg-gpio-default {
 252                         atmel,pins = <AT91_PIOE 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
 253                 };
 254         };
 255 };
 256
 257 &slow_xtal {
 258         clock-frequency = <32768>;
 259 };
 260
 261 &spi0 {
 262         pinctrl-names = "default", "cs";
 263         pinctrl-1 = <&pinctrl_spi0_cs>;
 264         cs-gpios = <&pioD 13 0>, <0>, <0>, <&pioD 16 0>;
 265         status = "okay";
 266 };
 267
 268 &spi1 {
 269         pinctrl-names = "default", "cs";
 270         pinctrl-1 = <&pinctrl_spi1_cs>;
 271         cs-gpios = <&pioC 25 0>, <0>, <0>, <&pioC 28 0>;
 272         status = "okay";
 273 };
 274
 275 &tcb0 {
 276         timer0: timer@0 {
 277                 compatible = "atmel,tcb-timer";
 278                 reg = <0>;
 279         };
 280
 281         timer1: timer@1 {
 282                 compatible = "atmel,tcb-timer";
 283                 reg = <1>;
 284         };
 285 };
 286
 287 &usb0 { /* USB Device port with VBUS detection. */
 288         atmel,vbus-gpio = <&pioE 9 GPIO_ACTIVE_HIGH>;
 289         pinctrl-names = "default";
 290         pinctrl-0 = <&pinctrl_usba_vbus>;
 291         status = "okay";
 292 };
 293
 294 &usb1 { /* 3-port Host. First port is unused. */
 295         atmel,vbus-gpio = <0
 296                            &pioE 3 GPIO_ACTIVE_HIGH
 297                            &pioE 4 GPIO_ACTIVE_HIGH
 298                           >;
 299         num-ports = <3>;
 300         pinctrl-names = "default";
 301         pinctrl-0 = <&pinctrl_usb_default>;
 302         status = "okay";
 303 };
 304
 305 &usb2 {
 306         status = "okay";
 307 };