1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Samsung's Exynos4210 based Origen board device tree source 4 * 5 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. 6 * http://www.samsung.com 7 * Copyright (c) 2010-2011 Linaro Ltd. 8 * www.linaro.org 9 * 10 * Device tree source file for Insignal's Origen board which is based on 11 * Samsung's Exynos4210 SoC. 12 */ 13 14/dts-v1/; 15#include "exynos4210.dtsi" 16#include <dt-bindings/gpio/gpio.h> 17#include <dt-bindings/input/input.h> 18#include "exynos-mfc-reserved-memory.dtsi" 19 20/ { 21 model = "Insignal Origen evaluation board based on Exynos4210"; 22 compatible = "insignal,origen", "samsung,exynos4210", "samsung,exynos4"; 23 24 memory@40000000 { 25 device_type = "memory"; 26 reg = <0x40000000 0x10000000 27 0x50000000 0x10000000 28 0x60000000 0x10000000 29 0x70000000 0x10000000>; 30 }; 31 32 chosen { 33 bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M init=/linuxrc"; 34 stdout-path = "serial2:115200n8"; 35 }; 36 37 mmc_reg: voltage-regulator { 38 compatible = "regulator-fixed"; 39 regulator-name = "VMEM_VDD_2.8V"; 40 regulator-min-microvolt = <2800000>; 41 regulator-max-microvolt = <2800000>; 42 gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>; 43 enable-active-high; 44 }; 45 46 gpio-keys { 47 compatible = "gpio-keys"; 48 49 up { 50 label = "Up"; 51 gpios = <&gpx2 0 GPIO_ACTIVE_LOW>; 52 linux,code = <KEY_UP>; 53 wakeup-source; 54 }; 55 56 down { 57 label = "Down"; 58 gpios = <&gpx2 1 GPIO_ACTIVE_LOW>; 59 linux,code = <KEY_DOWN>; 60 wakeup-source; 61 }; 62 63 back { 64 label = "Back"; 65 gpios = <&gpx1 7 GPIO_ACTIVE_LOW>; 66 linux,code = <KEY_BACK>; 67 wakeup-source; 68 }; 69 70 home { 71 label = "Home"; 72 gpios = <&gpx1 6 GPIO_ACTIVE_LOW>; 73 linux,code = <KEY_HOME>; 74 wakeup-source; 75 }; 76 77 menu { 78 label = "Menu"; 79 gpios = <&gpx1 5 GPIO_ACTIVE_LOW>; 80 linux,code = <KEY_MENU>; 81 wakeup-source; 82 }; 83 }; 84 85 leds { 86 compatible = "gpio-leds"; 87 status { 88 gpios = <&gpx1 3 GPIO_ACTIVE_LOW>; 89 linux,default-trigger = "heartbeat"; 90 }; 91 }; 92 93 fixed-rate-clocks { 94 xxti { 95 compatible = "samsung,clock-xxti"; 96 clock-frequency = <0>; 97 }; 98 99 xusbxti { 100 compatible = "samsung,clock-xusbxti"; 101 clock-frequency = <24000000>; 102 }; 103 104 pmic_ap_clk: pmic-ap-clk { 105 /* Workaround for missing clock on max8997 PMIC */ 106 compatible = "fixed-clock"; 107 #clock-cells = <0>; 108 clock-frequency = <32768>; 109 }; 110 }; 111 112 display-timings { 113 native-mode = <&timing0>; 114 timing0: timing { 115 clock-frequency = <47500000>; 116 hactive = <1024>; 117 vactive = <600>; 118 hfront-porch = <64>; 119 hback-porch = <16>; 120 hsync-len = <48>; 121 vback-porch = <64>; 122 vfront-porch = <16>; 123 vsync-len = <3>; 124 }; 125 }; 126}; 127 128&cpu0 { 129 cpu0-supply = <&buck1_reg>; 130}; 131 132&cpu_thermal { 133 cooling-maps { 134 map0 { 135 /* Corresponds to 800MHz */ 136 cooling-device = <&cpu0 2 2>; 137 }; 138 map1 { 139 /* Corresponds to 200MHz */ 140 cooling-device = <&cpu0 4 4>; 141 }; 142 }; 143}; 144 145&exynos_usbphy { 146 status = "okay"; 147}; 148 149&fimd { 150 pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>; 151 pinctrl-names = "default"; 152 status = "okay"; 153}; 154 155&gpu { 156 mali-supply = <&buck3_reg>; 157 status = "okay"; 158}; 159 160&hsotg { 161 vusb_d-supply = <&ldo3_reg>; 162 vusb_a-supply = <&ldo8_reg>; 163 dr_mode = "peripheral"; 164 status = "okay"; 165}; 166 167&i2c_0 { 168 status = "okay"; 169 samsung,i2c-sda-delay = <100>; 170 samsung,i2c-max-bus-freq = <20000>; 171 pinctrl-0 = <&i2c0_bus>; 172 pinctrl-names = "default"; 173 174 pmic@66 { 175 compatible = "maxim,max8997-pmic"; 176 reg = <0x66>; 177 interrupt-parent = <&gpx0>; 178 interrupts = <4 IRQ_TYPE_NONE>, <3 IRQ_TYPE_NONE>; 179 pinctrl-names = "default"; 180 pinctrl-0 = <&max8997_irq>; 181 182 max8997,pmic-buck1-dvs-voltage = <1350000>; 183 max8997,pmic-buck2-dvs-voltage = <1100000>; 184 max8997,pmic-buck5-dvs-voltage = <1200000>; 185 186 regulators { 187 ldo1_reg: LDO1 { 188 regulator-name = "VDD_ABB_3.3V"; 189 regulator-min-microvolt = <3300000>; 190 regulator-max-microvolt = <3300000>; 191 }; 192 193 ldo2_reg: LDO2 { 194 regulator-name = "VDD_ALIVE_1.1V"; 195 regulator-min-microvolt = <1100000>; 196 regulator-max-microvolt = <1100000>; 197 regulator-always-on; 198 }; 199 200 ldo3_reg: LDO3 { 201 regulator-name = "VMIPI_1.1V"; 202 regulator-min-microvolt = <1100000>; 203 regulator-max-microvolt = <1100000>; 204 }; 205 206 ldo4_reg: LDO4 { 207 regulator-name = "VDD_RTC_1.8V"; 208 regulator-min-microvolt = <1800000>; 209 regulator-max-microvolt = <1800000>; 210 regulator-always-on; 211 }; 212 213 ldo6_reg: LDO6 { 214 regulator-name = "VMIPI_1.8V"; 215 regulator-min-microvolt = <1800000>; 216 regulator-max-microvolt = <1800000>; 217 regulator-always-on; 218 }; 219 220 ldo7_reg: LDO7 { 221 regulator-name = "VDD_AUD_1.8V"; 222 regulator-min-microvolt = <1800000>; 223 regulator-max-microvolt = <1800000>; 224 }; 225 226 ldo8_reg: LDO8 { 227 regulator-name = "VADC_3.3V"; 228 regulator-min-microvolt = <3300000>; 229 regulator-max-microvolt = <3300000>; 230 }; 231 232 ldo9_reg: LDO9 { 233 regulator-name = "DVDD_SWB_2.8V"; 234 regulator-min-microvolt = <2800000>; 235 regulator-max-microvolt = <2800000>; 236 regulator-always-on; 237 }; 238 239 ldo10_reg: LDO10 { 240 regulator-name = "VDD_PLL_1.1V"; 241 regulator-min-microvolt = <1100000>; 242 regulator-max-microvolt = <1100000>; 243 regulator-always-on; 244 }; 245 246 ldo11_reg: LDO11 { 247 regulator-name = "VDD_AUD_3V"; 248 regulator-min-microvolt = <3000000>; 249 regulator-max-microvolt = <3000000>; 250 }; 251 252 ldo14_reg: LDO14 { 253 regulator-name = "AVDD18_SWB_1.8V"; 254 regulator-min-microvolt = <1800000>; 255 regulator-max-microvolt = <1800000>; 256 regulator-always-on; 257 }; 258 259 ldo17_reg: LDO17 { 260 regulator-name = "VDD_SWB_3.3V"; 261 regulator-min-microvolt = <3300000>; 262 regulator-max-microvolt = <3300000>; 263 regulator-always-on; 264 }; 265 266 ldo21_reg: LDO21 { 267 regulator-name = "VDD_MIF_1.2V"; 268 regulator-min-microvolt = <1200000>; 269 regulator-max-microvolt = <1200000>; 270 regulator-always-on; 271 }; 272 273 buck1_reg: BUCK1 { 274 regulator-name = "VDD_ARM_1.2V"; 275 regulator-min-microvolt = <950000>; 276 regulator-max-microvolt = <1350000>; 277 regulator-always-on; 278 regulator-boot-on; 279 }; 280 281 buck2_reg: BUCK2 { 282 regulator-name = "VDD_INT_1.1V"; 283 regulator-min-microvolt = <900000>; 284 regulator-max-microvolt = <1100000>; 285 regulator-always-on; 286 regulator-boot-on; 287 }; 288 289 buck3_reg: BUCK3 { 290 regulator-name = "VDD_G3D_1.1V"; 291 regulator-min-microvolt = <900000>; 292 regulator-max-microvolt = <1100000>; 293 }; 294 295 buck5_reg: BUCK5 { 296 regulator-name = "VDDQ_M1M2_1.2V"; 297 regulator-min-microvolt = <1200000>; 298 regulator-max-microvolt = <1200000>; 299 regulator-always-on; 300 }; 301 302 buck7_reg: BUCK7 { 303 regulator-name = "VDD_LCD_3.3V"; 304 regulator-min-microvolt = <3300000>; 305 regulator-max-microvolt = <3300000>; 306 regulator-boot-on; 307 regulator-always-on; 308 }; 309 310 EN32KHZ_AP { 311 regulator-name = "EN32KHZ_AP"; 312 regulator-always-on; 313 }; 314 }; 315 }; 316}; 317 318&pinctrl_1 { 319 max8997_irq: max8997-irq { 320 samsung,pins = "gpx0-3", "gpx0-4"; 321 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; 322 }; 323}; 324 325&sdhci_0 { 326 bus-width = <4>; 327 pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>; 328 pinctrl-names = "default"; 329 vmmc-supply = <&mmc_reg>; 330 status = "okay"; 331}; 332 333&sdhci_2 { 334 bus-width = <4>; 335 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>; 336 pinctrl-names = "default"; 337 vmmc-supply = <&mmc_reg>; 338 status = "okay"; 339}; 340 341&serial_0 { 342 status = "okay"; 343}; 344 345&serial_1 { 346 status = "okay"; 347}; 348 349&serial_2 { 350 status = "okay"; 351}; 352 353&serial_3 { 354 status = "okay"; 355}; 356 357&rtc { 358 status = "okay"; 359 clocks = <&clock CLK_RTC>, <&pmic_ap_clk>; 360 clock-names = "rtc", "rtc_src"; 361}; 362 363&tmu { 364 status = "okay"; 365}; 366