arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * at91-sama5d27_wlsom1.dtsi - Device Tree file for SAMA5D27 WLSOM1
   4  *
   5  * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries
   6  *
   7  * Author: Nicolas Ferre <nicolas.ferre@microcihp.com>
   8  * Author: Eugen Hristev <eugen.hristev@microcihp.com>
   9  */
  10 #include "sama5d2.dtsi"
  11 #include "sama5d2-pinfunc.h"
  12 #include <dt-bindings/gpio/gpio.h>
  13 #include <dt-bindings/mfd/atmel-flexcom.h>
  14 #include <dt-bindings/pinctrl/at91.h>
  15
  16 / {
  17         model = "Microchip SAMA5D27 WLSOM1";
  18         compatible = "microchip,sama5d27-wlsom1", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";
  19
  20         aliases {
  21                 i2c0 = &i2c0;
  22         };
  23
  24         clocks {
  25                 slow_xtal {
  26                         clock-frequency = <32768>;
  27                 };
  28
  29                 main_xtal {
  30                         clock-frequency = <24000000>;
  31                 };
  32         };
  33 };
  34
  35 &flx1 {
  36         atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
  37
  38         uart6: serial@200 {
  39                 pinctrl-0 = <&pinctrl_flx1_default>;
  40                 pinctrl-names = "default";
  41         };
  42 };
  43
  44 &i2c0 {
  45         pinctrl-0 = <&pinctrl_i2c0_default>;
  46         pinctrl-names = "default";
  47         status = "okay";
  48 };
  49
  50 &i2c1 {
  51         dmas = <0>, <0>;
  52         pinctrl-names = "default";
  53         pinctrl-0 = <&pinctrl_i2c1_default>;
  54         status = "okay";
  55
  56         mcp16502@5b {
  57                 compatible = "microchip,mcp16502";
  58                 reg = <0x5b>;
  59                 status = "okay";
  60                 lpm-gpios = <&pioBU 0 GPIO_ACTIVE_LOW>;
  61
  62                 regulators {
  63                         vdd_3v3: VDD_IO {
  64                                 regulator-name = "VDD_IO";
  65                                 regulator-min-microvolt = <1200000>;
  66                                 regulator-max-microvolt = <3700000>;
  67                                 regulator-initial-mode = <2>;
  68                                 regulator-allowed-modes = <2>, <4>;
  69                                 regulator-always-on;
  70
  71                                 regulator-state-standby {
  72                                         regulator-on-in-suspend;
  73                                         regulator-mode = <4>;
  74                                 };
  75
  76                                 regulator-state-mem {
  77                                         regulator-off-in-suspend;
  78                                         regulator-mode = <4>;
  79                                 };
  80                         };
  81
  82                         vddio_ddr: VDD_DDR {
  83                                 regulator-name = "VDD_DDR";
  84                                 regulator-min-microvolt = <600000>;
  85                                 regulator-max-microvolt = <1850000>;
  86                                 regulator-initial-mode = <2>;
  87                                 regulator-allowed-modes = <2>, <4>;
  88                                 regulator-always-on;
  89
  90                                 regulator-state-standby {
  91                                         regulator-on-in-suspend;
  92                                         regulator-suspend-microvolt = <1200000>;
  93                                         regulator-changeable-in-suspend;
  94                                         regulator-mode = <4>;
  95                                 };
  96
  97                                 regulator-state-mem {
  98                                         regulator-on-in-suspend;
  99                                         regulator-suspend-microvolt = <1200000>;
 100                                         regulator-changeable-in-suspend;
 101                                         regulator-mode = <4>;
 102                                 };
 103                         };
 104
 105                         vdd_core: VDD_CORE {
 106                                 regulator-name = "VDD_CORE";
 107                                 regulator-min-microvolt = <600000>;
 108                                 regulator-max-microvolt = <1850000>;
 109                                 regulator-initial-mode = <2>;
 110                                 regulator-allowed-modes = <2>, <4>;
 111                                 regulator-always-on;
 112
 113                                 regulator-state-standby {
 114                                         regulator-on-in-suspend;
 115                                         regulator-mode = <4>;
 116                                 };
 117
 118                                 regulator-state-mem {
 119                                         regulator-off-in-suspend;
 120                                         regulator-mode = <4>;
 121                                 };
 122                         };
 123
 124                         vdd_ddr: VDD_OTHER {
 125                                 regulator-name = "VDD_OTHER";
 126                                 regulator-min-microvolt = <1800000>;
 127                                 regulator-max-microvolt = <1800000>;
 128                                 regulator-initial-mode = <2>;
 129                                 regulator-allowed-modes = <2>, <4>;
 130                                 regulator-always-on;
 131
 132                                 regulator-state-standby {
 133                                         regulator-on-in-suspend;
 134                                         regulator-suspend-microvolt = <1800000>;
 135                                         regulator-changeable-in-suspend;
 136                                         regulator-mode = <4>;
 137                                 };
 138
 139                                 regulator-state-mem {
 140                                         regulator-on-in-suspend;
 141                                         regulator-suspend-microvolt = <1800000>;
 142                                         regulator-changeable-in-suspend;
 143                                         regulator-mode = <4>;
 144                                 };
 145                         };
 146
 147                         LDO1 {
 148                                 regulator-name = "LDO1";
 149                                 regulator-min-microvolt = <1200000>;
 150                                 regulator-max-microvolt = <3700000>;
 151                                 regulator-always-on;
 152
 153                                 regulator-state-standby {
 154                                         regulator-on-in-suspend;
 155                                 };
 156
 157                                 regulator-state-mem {
 158                                         regulator-off-in-suspend;
 159                                 };
 160                         };
 161
 162                         LDO2 {
 163                                 regulator-name = "LDO2";
 164                                 regulator-min-microvolt = <1200000>;
 165                                 regulator-max-microvolt = <3700000>;
 166                                 regulator-always-on;
 167
 168                                 regulator-state-standby {
 169                                         regulator-on-in-suspend;
 170                                 };
 171
 172                                 regulator-state-mem {
 173                                         regulator-off-in-suspend;
 174                                 };
 175                         };
 176                 };
 177         };
 178 };
 179
 180 &macb0 {
 181         pinctrl-names = "default";
 182         pinctrl-0 = <&pinctrl_macb0_default>;
 183         phy-mode = "rmii";
 184
 185         ethernet-phy@0 {
 186                 reg = <0x0>;
 187                 interrupt-parent = <&pioA>;
 188                 interrupts = <PIN_PB24 IRQ_TYPE_LEVEL_LOW>;
 189                 pinctrl-names = "default";
 190                 pinctrl-0 = <&pinctrl_macb0_phy_irq>;
 191         };
 192 };
 193
 194 &pmc {
 195         atmel,osc-bypass;
 196 };
 197
 198 &qspi1 {
 199         pinctrl-names = "default";
 200         pinctrl-0 = <&pinctrl_qspi1_default>;
 201         status = "disabled";
 202
 203         qspi1_flash: spi_flash@0 {
 204                 #address-cells = <1>;
 205                 #size-cells = <1>;
 206                 compatible = "jedec,spi-nor";
 207                 reg = <0>;
 208                 spi-max-frequency = <80000000>;
 209                 spi-rx-bus-width = <4>;
 210                 spi-tx-bus-width = <4>;
 211                 m25p,fast-read;
 212                 status = "disabled";
 213
 214                 at91bootstrap@0 {
 215                         label = "at91bootstrap";
 216                         reg = <0x0 0x40000>;
 217                 };
 218
 219                 bootloader@40000 {
 220                         label = "bootloader";
 221                         reg = <0x40000 0xc0000>;
 222                 };
 223
 224                 bootloaderenvred@100000 {
 225                         label = "bootloader env redundant";
 226                         reg = <0x100000 0x40000>;
 227                 };
 228
 229                 bootloaderenv@140000 {
 230                         label = "bootloader env";
 231                         reg = <0x140000 0x40000>;
 232                 };
 233
 234                 dtb@180000 {
 235                         label = "device tree";
 236                         reg = <0x180000 0x80000>;
 237                 };
 238
 239                 kernel@200000 {
 240                         label = "kernel";
 241                         reg = <0x200000 0x600000>;
 242                 };
 243         };
 244 };
 245
 246 &pioA {
 247         pinctrl_flx1_default: flx1_usart_default {
 248                 pinmux = <PIN_PA24__FLEXCOM1_IO0>,
 249                          <PIN_PA23__FLEXCOM1_IO1>,
 250                          <PIN_PA25__FLEXCOM1_IO3>,
 251                          <PIN_PA26__FLEXCOM1_IO4>;
 252                 bias-disable;
 253         };
 254
 255         pinctrl_i2c0_default: i2c0_default {
 256                 pinmux = <PIN_PD21__TWD0>,
 257                          <PIN_PD22__TWCK0>;
 258                 bias-disable;
 259         };
 260
 261         pinctrl_i2c1_default: i2c1_default {
 262                 pinmux = <PIN_PD19__TWD1>,
 263                          <PIN_PD20__TWCK1>;
 264                 bias-disable;
 265         };
 266
 267         pinctrl_macb0_default: macb0_default {
 268                 pinmux = <PIN_PB14__GTXCK>,
 269                          <PIN_PB15__GTXEN>,
 270                          <PIN_PB16__GRXDV>,
 271                          <PIN_PB17__GRXER>,
 272                          <PIN_PB18__GRX0>,
 273                          <PIN_PB19__GRX1>,
 274                          <PIN_PB20__GTX0>,
 275                          <PIN_PB21__GTX1>,
 276                          <PIN_PB22__GMDC>,
 277                          <PIN_PB23__GMDIO>;
 278                 bias-disable;
 279         };
 280
 281         pinctrl_macb0_phy_irq: macb0_phy_irq {
 282                 pinmux = <PIN_PB24__GPIO>;
 283                 bias-disable;
 284         };
 285
 286         pinctrl_qspi1_default: qspi1_default {
 287                 pinmux = <PIN_PB5__QSPI1_SCK>,
 288                          <PIN_PB6__QSPI1_CS>,
 289                          <PIN_PB7__QSPI1_IO0>,
 290                          <PIN_PB8__QSPI1_IO1>,
 291                          <PIN_PB9__QSPI1_IO2>,
 292                          <PIN_PB10__QSPI1_IO3>;
 293                 bias-pull-up;
 294         };
 295 };
 296