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 usb1 { 43 pinctrl_usb1_vbus_gpio: usb1_vbus_gpio { 44 atmel,pins = 45 <AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PC5 GPIO */ 46 }; 47 }; 48 49 mmc0_slot1 { 50 pinctrl_board_mmc0_slot1: mmc0_slot1-board { 51 atmel,pins = 52 <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC9 gpio CD pin pull up and deglitch */ 53 }; 54 }; 55 }; 56 57 dbgu: serial@fffff200 { 58 status = "okay"; 59 }; 60 61 tcb0: timer@fffa0000 { 62 timer@0 { 63 compatible = "atmel,tcb-timer"; 64 reg = <0>, <1>; 65 }; 66 67 timer@2 { 68 compatible = "atmel,tcb-timer"; 69 reg = <2>; 70 }; 71 }; 72 73 usart0: serial@fffb0000 { 74 pinctrl-0 = 75 <&pinctrl_usart0 76 &pinctrl_usart0_rts 77 &pinctrl_usart0_cts 78 &pinctrl_usart0_dtr_dsr 79 &pinctrl_usart0_dcd 80 &pinctrl_usart0_ri>; 81 status = "okay"; 82 }; 83 84 usart1: serial@fffb4000 { 85 status = "okay"; 86 }; 87 88 macb0: ethernet@fffc4000 { 89 phy-mode = "rmii"; 90 status = "okay"; 91 }; 92 93 usb1: gadget@fffa4000 { 94 pinctrl-0 = <&pinctrl_usb1_vbus_gpio>; 95 pinctrl-names = "default"; 96 atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>; 97 status = "okay"; 98 }; 99 100 mmc0: mmc@fffa8000 { 101 pinctrl-0 = < 102 &pinctrl_board_mmc0_slot1 103 &pinctrl_mmc0_clk 104 &pinctrl_mmc0_slot1_cmd_dat0 105 &pinctrl_mmc0_slot1_dat1_3>; 106 pinctrl-names = "default"; 107 status = "okay"; 108 slot@1 { 109 reg = <1>; 110 bus-width = <4>; 111 cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>; 112 }; 113 }; 114 115 ssc0: ssc@fffbc000 { 116 status = "okay"; 117 pinctrl-0 = <&pinctrl_ssc0_tx>; 118 }; 119 120 spi0: spi@fffc8000 { 121 cs-gpios = <0>, <&pioC 11 0>, <0>, <0>; 122 mtd_dataflash@1 { 123 compatible = "atmel,at45", "atmel,dataflash"; 124 spi-max-frequency = <50000000>; 125 reg = <1>; 126 }; 127 }; 128 129 shdwc@fffffd10 { 130 atmel,wakeup-counter = <10>; 131 atmel,wakeup-rtt-timer; 132 }; 133 134 rtc@fffffd20 { 135 atmel,rtt-rtc-time-reg = <&gpbr 0x0>; 136 status = "okay"; 137 }; 138 139 watchdog@fffffd40 { 140 status = "okay"; 141 }; 142 143 gpbr: syscon@fffffd50 { 144 status = "okay"; 145 }; 146 }; 147 148 ebi: ebi@10000000 { 149 status = "okay"; 150 151 nand_controller: nand-controller { 152 status = "okay"; 153 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>; 154 pinctrl-names = "default"; 155 156 nand@3 { 157 reg = <0x3 0x0 0x800000>; 158 rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>; 159 cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>; 160 nand-bus-width = <8>; 161 nand-ecc-mode = "soft"; 162 nand-on-flash-bbt; 163 label = "atmel_nand"; 164 165 partitions { 166 compatible = "fixed-partitions"; 167 #address-cells = <1>; 168 #size-cells = <1>; 169 170 at91bootstrap@0 { 171 label = "at91bootstrap"; 172 reg = <0x0 0x20000>; 173 }; 174 175 barebox@20000 { 176 label = "barebox"; 177 reg = <0x20000 0x40000>; 178 }; 179 180 bareboxenv@60000 { 181 label = "bareboxenv"; 182 reg = <0x60000 0x20000>; 183 }; 184 185 bareboxenv2@80000 { 186 label = "bareboxenv2"; 187 reg = <0x80000 0x20000>; 188 }; 189 190 oftree@80000 { 191 label = "oftree"; 192 reg = <0xa0000 0x20000>; 193 }; 194 195 kernel@a0000 { 196 label = "kernel"; 197 reg = <0xc0000 0x400000>; 198 }; 199 200 rootfs@4a0000 { 201 label = "rootfs"; 202 reg = <0x4c0000 0x7800000>; 203 }; 204 205 data@7ca0000 { 206 label = "data"; 207 reg = <0x7cc0000 0x8340000>; 208 }; 209 }; 210 }; 211 }; 212 }; 213 214 usb0: ohci@500000 { 215 num-ports = <2>; 216 status = "okay"; 217 }; 218 }; 219 220 i2c-gpio-0 { 221 status = "okay"; 222 223 24c512@50 { 224 compatible = "atmel,24c512"; 225 reg = <0x50>; 226 }; 227 228 wm8731: wm8731@1b { 229 compatible = "wm8731"; 230 reg = <0x1b>; 231 232 /* PCK0 at 12MHz */ 233 clocks = <&pmc PMC_TYPE_SYSTEM 8>; 234 clock-names = "mclk"; 235 assigned-clocks = <&pmc PMC_TYPE_SYSTEM 8>; 236 assigned-clock-rates = <12000000>; 237 }; 238 }; 239 240 gpio_keys { 241 compatible = "gpio-keys"; 242 243 btn3 { 244 label = "Button 3"; 245 gpios = <&pioA 30 GPIO_ACTIVE_LOW>; 246 linux,code = <0x103>; 247 wakeup-source; 248 }; 249 250 btn4 { 251 label = "Button 4"; 252 gpios = <&pioA 31 GPIO_ACTIVE_LOW>; 253 linux,code = <KEY_PROG1>; 254 wakeup-source; 255 }; 256 }; 257 258 sound { 259 compatible = "atmel,at91sam9g20ek-wm8731-audio"; 260 pinctrl-names = "default"; 261 pinctrl-0 = <&pinctrl_pck0_as_mck>; 262 263 atmel,model = "wm8731 @ AT91SAMG20EK"; 264 265 atmel,audio-routing = 266 "Ext Spk", "LHPOUT", 267 "Int Mic", "MICIN"; 268 269 atmel,ssc-controller = <&ssc0>; 270 atmel,audio-codec = <&wm8731>; 271 }; 272}; 273