0001 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
0002 /*
0003 * at91-sama5d27_wlsom1.dtsi - Device Tree file for SAMA5D27 WLSOM1
0004 *
0005 * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries
0006 *
0007 * Author: Nicolas Ferre <nicolas.ferre@microcihp.com>
0008 * Author: Eugen Hristev <eugen.hristev@microcihp.com>
0009 */
0010 #include "sama5d2.dtsi"
0011 #include "sama5d2-pinfunc.h"
0012 #include <dt-bindings/gpio/gpio.h>
0013 #include <dt-bindings/mfd/atmel-flexcom.h>
0014 #include <dt-bindings/pinctrl/at91.h>
0015
0016 / {
0017 model = "Microchip SAMA5D27 WLSOM1";
0018 compatible = "microchip,sama5d27-wlsom1", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";
0019
0020 aliases {
0021 i2c0 = &i2c0;
0022 };
0023
0024 clocks {
0025 slow_xtal {
0026 clock-frequency = <32768>;
0027 };
0028
0029 main_xtal {
0030 clock-frequency = <24000000>;
0031 };
0032 };
0033
0034 wifi_pwrseq: wifi_pwrseq {
0035 compatible = "mmc-pwrseq-wilc1000";
0036 reset-gpios = <&pioA PIN_PA27 GPIO_ACTIVE_HIGH>;
0037 powerdown-gpios = <&pioA PIN_PA29 GPIO_ACTIVE_HIGH>;
0038 pinctrl-0 = <&pinctrl_wilc_pwrseq>;
0039 pinctrl-names = "default";
0040 };
0041 };
0042
0043 &flx1 {
0044 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
0045
0046 uart6: serial@200 {
0047 pinctrl-0 = <&pinctrl_flx1_default>;
0048 pinctrl-names = "default";
0049 };
0050 };
0051
0052 &i2c0 {
0053 pinctrl-0 = <&pinctrl_i2c0_default>;
0054 pinctrl-1 = <&pinctrl_i2c0_gpio>;
0055 pinctrl-names = "default", "gpio";
0056 sda-gpios = <&pioA PIN_PD21 GPIO_ACTIVE_HIGH>;
0057 scl-gpios = <&pioA PIN_PD22 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
0058 status = "okay";
0059 };
0060
0061 &i2c1 {
0062 dmas = <0>, <0>;
0063 pinctrl-names = "default", "gpio";
0064 pinctrl-0 = <&pinctrl_i2c1_default>;
0065 pinctrl-1 = <&pinctrl_i2c1_gpio>;
0066 sda-gpios = <&pioA PIN_PD19 GPIO_ACTIVE_HIGH>;
0067 scl-gpios = <&pioA PIN_PD20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
0068 status = "okay";
0069
0070 mcp16502@5b {
0071 compatible = "microchip,mcp16502";
0072 reg = <0x5b>;
0073 status = "okay";
0074 lpm-gpios = <&pioBU 0 GPIO_ACTIVE_LOW>;
0075
0076 regulators {
0077 vdd_3v3: VDD_IO {
0078 regulator-name = "VDD_IO";
0079 regulator-min-microvolt = <3300000>;
0080 regulator-max-microvolt = <3300000>;
0081 regulator-initial-mode = <2>;
0082 regulator-allowed-modes = <2>, <4>;
0083 regulator-always-on;
0084
0085 regulator-state-standby {
0086 regulator-on-in-suspend;
0087 regulator-mode = <4>;
0088 };
0089
0090 regulator-state-mem {
0091 regulator-off-in-suspend;
0092 regulator-mode = <4>;
0093 };
0094 };
0095
0096 vddio_ddr: VDD_DDR {
0097 regulator-name = "VDD_DDR";
0098 regulator-min-microvolt = <1200000>;
0099 regulator-max-microvolt = <1200000>;
0100 regulator-initial-mode = <2>;
0101 regulator-allowed-modes = <2>, <4>;
0102 regulator-always-on;
0103
0104 regulator-state-standby {
0105 regulator-on-in-suspend;
0106 regulator-suspend-microvolt = <1200000>;
0107 regulator-changeable-in-suspend;
0108 regulator-mode = <4>;
0109 };
0110
0111 regulator-state-mem {
0112 regulator-on-in-suspend;
0113 regulator-suspend-microvolt = <1200000>;
0114 regulator-changeable-in-suspend;
0115 regulator-mode = <4>;
0116 };
0117 };
0118
0119 vdd_core: VDD_CORE {
0120 regulator-name = "VDD_CORE";
0121 regulator-min-microvolt = <1250000>;
0122 regulator-max-microvolt = <1250000>;
0123 regulator-initial-mode = <2>;
0124 regulator-allowed-modes = <2>, <4>;
0125 regulator-always-on;
0126
0127 regulator-state-standby {
0128 regulator-on-in-suspend;
0129 regulator-mode = <4>;
0130 };
0131
0132 regulator-state-mem {
0133 regulator-off-in-suspend;
0134 regulator-mode = <4>;
0135 };
0136 };
0137
0138 vdd_ddr: VDD_OTHER {
0139 regulator-name = "VDD_OTHER";
0140 regulator-min-microvolt = <1800000>;
0141 regulator-max-microvolt = <1800000>;
0142 regulator-initial-mode = <2>;
0143 regulator-allowed-modes = <2>, <4>;
0144 regulator-always-on;
0145
0146 regulator-state-standby {
0147 regulator-on-in-suspend;
0148 regulator-suspend-microvolt = <1800000>;
0149 regulator-changeable-in-suspend;
0150 regulator-mode = <4>;
0151 };
0152
0153 regulator-state-mem {
0154 regulator-on-in-suspend;
0155 regulator-suspend-microvolt = <1800000>;
0156 regulator-changeable-in-suspend;
0157 regulator-mode = <4>;
0158 };
0159 };
0160
0161 LDO1 {
0162 regulator-name = "LDO1";
0163 regulator-min-microvolt = <3300000>;
0164 regulator-max-microvolt = <3300000>;
0165 regulator-always-on;
0166
0167 regulator-state-standby {
0168 regulator-on-in-suspend;
0169 };
0170
0171 regulator-state-mem {
0172 regulator-off-in-suspend;
0173 };
0174 };
0175
0176 LDO2 {
0177 regulator-name = "LDO2";
0178 regulator-min-microvolt = <1800000>;
0179 regulator-max-microvolt = <3300000>;
0180
0181 regulator-state-standby {
0182 regulator-on-in-suspend;
0183 };
0184
0185 regulator-state-mem {
0186 regulator-off-in-suspend;
0187 };
0188 };
0189 };
0190 };
0191 };
0192
0193 &macb0 {
0194 pinctrl-names = "default";
0195 pinctrl-0 = <&pinctrl_macb0_default>;
0196 #address-cells = <1>;
0197 #size-cells = <0>;
0198 phy-mode = "rmii";
0199
0200 ethernet-phy@0 {
0201 reg = <0x0>;
0202 interrupt-parent = <&pioA>;
0203 interrupts = <PIN_PB24 IRQ_TYPE_LEVEL_LOW>;
0204 pinctrl-names = "default";
0205 pinctrl-0 = <&pinctrl_macb0_phy_irq>;
0206 };
0207 };
0208
0209 &pmc {
0210 atmel,osc-bypass;
0211 };
0212
0213 &qspi1 {
0214 pinctrl-names = "default";
0215 pinctrl-0 = <&pinctrl_qspi1_default>;
0216 status = "disabled";
0217
0218 qspi1_flash: flash@0 {
0219 #address-cells = <1>;
0220 #size-cells = <1>;
0221 compatible = "jedec,spi-nor";
0222 reg = <0>;
0223 spi-max-frequency = <80000000>;
0224 spi-rx-bus-width = <4>;
0225 spi-tx-bus-width = <4>;
0226 m25p,fast-read;
0227 status = "disabled";
0228
0229 at91bootstrap@0 {
0230 label = "at91bootstrap";
0231 reg = <0x0 0x40000>;
0232 };
0233
0234 bootloader@40000 {
0235 label = "bootloader";
0236 reg = <0x40000 0xc0000>;
0237 };
0238
0239 bootloaderenvred@100000 {
0240 label = "bootloader env redundant";
0241 reg = <0x100000 0x40000>;
0242 };
0243
0244 bootloaderenv@140000 {
0245 label = "bootloader env";
0246 reg = <0x140000 0x40000>;
0247 };
0248
0249 dtb@180000 {
0250 label = "device tree";
0251 reg = <0x180000 0x80000>;
0252 };
0253
0254 kernel@200000 {
0255 label = "kernel";
0256 reg = <0x200000 0x600000>;
0257 };
0258 };
0259 };
0260
0261 &pioA {
0262 pinctrl_flx1_default: flx1_usart_default {
0263 pinmux = <PIN_PA24__FLEXCOM1_IO0>,
0264 <PIN_PA23__FLEXCOM1_IO1>,
0265 <PIN_PA25__FLEXCOM1_IO3>,
0266 <PIN_PA26__FLEXCOM1_IO4>;
0267 bias-disable;
0268 };
0269
0270 pinctrl_i2c0_default: i2c0_default {
0271 pinmux = <PIN_PD21__TWD0>,
0272 <PIN_PD22__TWCK0>;
0273 bias-disable;
0274 };
0275
0276 pinctrl_i2c0_gpio: i2c0_gpio {
0277 pinmux = <PIN_PD21__GPIO>,
0278 <PIN_PD22__GPIO>;
0279 bias-disable;
0280 };
0281
0282 pinctrl_i2c1_default: i2c1_default {
0283 pinmux = <PIN_PD19__TWD1>,
0284 <PIN_PD20__TWCK1>;
0285 bias-disable;
0286 };
0287
0288 pinctrl_i2c1_gpio: i2c1_gpio {
0289 pinmux = <PIN_PD19__GPIO>,
0290 <PIN_PD20__GPIO>;
0291 bias-disable;
0292 };
0293
0294 pinctrl_macb0_default: macb0_default {
0295 pinmux = <PIN_PB14__GTXCK>,
0296 <PIN_PB15__GTXEN>,
0297 <PIN_PB16__GRXDV>,
0298 <PIN_PB17__GRXER>,
0299 <PIN_PB18__GRX0>,
0300 <PIN_PB19__GRX1>,
0301 <PIN_PB20__GTX0>,
0302 <PIN_PB21__GTX1>,
0303 <PIN_PB22__GMDC>,
0304 <PIN_PB23__GMDIO>;
0305 bias-disable;
0306 };
0307
0308 pinctrl_macb0_phy_irq: macb0_phy_irq {
0309 pinmux = <PIN_PB24__GPIO>;
0310 bias-disable;
0311 };
0312
0313 pinctrl_qspi1_default: qspi1_default {
0314 pinmux = <PIN_PB5__QSPI1_SCK>,
0315 <PIN_PB6__QSPI1_CS>,
0316 <PIN_PB7__QSPI1_IO0>,
0317 <PIN_PB8__QSPI1_IO1>,
0318 <PIN_PB9__QSPI1_IO2>,
0319 <PIN_PB10__QSPI1_IO3>;
0320 bias-pull-up;
0321 };
0322
0323 pinctrl_sdmmc1_default: sdmmc1_default {
0324 cmd-data {
0325 pinmux = <PIN_PA28__SDMMC1_CMD>,
0326 <PIN_PA18__SDMMC1_DAT0>,
0327 <PIN_PA19__SDMMC1_DAT1>,
0328 <PIN_PA20__SDMMC1_DAT2>,
0329 <PIN_PA21__SDMMC1_DAT3>;
0330 bias-disable;
0331 };
0332
0333 conf-ck {
0334 pinmux = <PIN_PA22__SDMMC1_CK>;
0335 bias-disable;
0336 };
0337 };
0338
0339 pinctrl_wilc_default: wilc_default {
0340 conf-irq {
0341 pinmux = <PIN_PB25__GPIO>;
0342 bias-disable;
0343 };
0344 };
0345
0346 pinctrl_wilc_pwrseq: wilc_pwrseq {
0347 conf-ce-nrst {
0348 pinmux = <PIN_PA27__GPIO>,
0349 <PIN_PA29__GPIO>;
0350 bias-disable;
0351 };
0352
0353 conf-rtcclk {
0354 pinmux = <PIN_PB13__PCK1>;
0355 bias-disable;
0356 };
0357 };
0358 };
0359
0360 &sdmmc1 {
0361 #address-cells = <1>;
0362 #size-cells = <0>;
0363 bus-width = <4>;
0364 pinctrl-names = "default";
0365 pinctrl-0 = <&pinctrl_sdmmc1_default>;
0366 mmc-pwrseq = <&wifi_pwrseq>;
0367 no-1-8-v;
0368 non-removable;
0369 bus-width = <4>;
0370 status = "okay";
0371
0372 wilc: wifi@0 {
0373 reg = <0>;
0374 compatible = "microchip,wilc1000";
0375 pinctrl-names = "default";
0376 pinctrl-0 = <&pinctrl_wilc_default>;
0377 clocks = <&pmc PMC_TYPE_SYSTEM 9>;
0378 clock-names = "rtc";
0379 interrupts = <PIN_PB25 IRQ_TYPE_NONE>;
0380 interrupt-parent = <&pioA>;
0381 assigned-clocks = <&pmc PMC_TYPE_SYSTEM 9>;
0382 assigned-clock-rates = <32768>;
0383 };
0384 };
0385
