0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003 * Samsung SMDK5420 board device tree source
0004 *
0005 * Copyright (c) 2013 Samsung Electronics Co., Ltd.
0006 * http://www.samsung.com
0007 */
0008
0009 /dts-v1/;
0010 #include "exynos5420.dtsi"
0011 #include "exynos5420-cpus.dtsi"
0012 #include <dt-bindings/clock/samsung,s2mps11.h>
0013 #include <dt-bindings/gpio/gpio.h>
0014
0015 / {
0016 model = "Samsung SMDK5420 board based on Exynos5420";
0017 compatible = "samsung,smdk5420", "samsung,exynos5420", "samsung,exynos5";
0018
0019 memory@20000000 {
0020 device_type = "memory";
0021 reg = <0x20000000 0x80000000>;
0022 };
0023
0024 chosen {
0025 bootargs = "init=/linuxrc";
0026 stdout-path = "serial2:115200n8";
0027 };
0028
0029 fixed-rate-clocks {
0030 oscclk {
0031 compatible = "samsung,exynos5420-oscclk";
0032 clock-frequency = <24000000>;
0033 };
0034 };
0035
0036 vdd: regulator-0 {
0037 compatible = "regulator-fixed";
0038 regulator-name = "vdd-supply";
0039 regulator-min-microvolt = <1800000>;
0040 regulator-max-microvolt = <1800000>;
0041 regulator-always-on;
0042 };
0043
0044 dbvdd: regulator-1 {
0045 compatible = "regulator-fixed";
0046 regulator-name = "dbvdd-supply";
0047 regulator-min-microvolt = <3300000>;
0048 regulator-max-microvolt = <3300000>;
0049 regulator-always-on;
0050 };
0051
0052 spkvdd: regulator-2 {
0053 compatible = "regulator-fixed";
0054 regulator-name = "spkvdd-supply";
0055 regulator-min-microvolt = <5000000>;
0056 regulator-max-microvolt = <5000000>;
0057 regulator-always-on;
0058 };
0059
0060 usb300_vbus_reg: regulator-3 {
0061 compatible = "regulator-fixed";
0062 regulator-name = "VBUS0";
0063 regulator-min-microvolt = <5000000>;
0064 regulator-max-microvolt = <5000000>;
0065 gpio = <&gpg0 5 GPIO_ACTIVE_HIGH>;
0066 pinctrl-names = "default";
0067 pinctrl-0 = <&usb300_vbus_en>;
0068 enable-active-high;
0069 };
0070
0071 usb301_vbus_reg: regulator-4 {
0072 compatible = "regulator-fixed";
0073 regulator-name = "VBUS1";
0074 regulator-min-microvolt = <5000000>;
0075 regulator-max-microvolt = <5000000>;
0076 gpio = <&gpg1 4 GPIO_ACTIVE_HIGH>;
0077 pinctrl-names = "default";
0078 pinctrl-0 = <&usb301_vbus_en>;
0079 enable-active-high;
0080 };
0081
0082 };
0083
0084 &cpu0 {
0085 cpu-supply = <&buck2_reg>;
0086 };
0087
0088 &cpu4 {
0089 cpu-supply = <&buck6_reg>;
0090 };
0091
0092 &dp {
0093 pinctrl-names = "default";
0094 pinctrl-0 = <&dp_hpd>;
0095 samsung,color-space = <0>;
0096 samsung,color-depth = <1>;
0097 samsung,link-rate = <0x0a>;
0098 samsung,lane-count = <4>;
0099 status = "okay";
0100
0101 display-timings {
0102 native-mode = <&timing0>;
0103 timing0: timing {
0104 clock-frequency = <50000>;
0105 hactive = <2560>;
0106 vactive = <1600>;
0107 hfront-porch = <48>;
0108 hback-porch = <80>;
0109 hsync-len = <32>;
0110 vback-porch = <16>;
0111 vfront-porch = <8>;
0112 vsync-len = <6>;
0113 };
0114 };
0115 };
0116
0117 &fimd {
0118 status = "okay";
0119 };
0120
0121 &hdmi {
0122 status = "okay";
0123 ddc = <&i2c_2>;
0124 hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
0125 pinctrl-names = "default";
0126 pinctrl-0 = <&hdmi_hpd_irq>;
0127 vdd-supply = <&ldo6_reg>;
0128 vdd_osc-supply = <&ldo7_reg>;
0129 vdd_pll-supply = <&ldo6_reg>;
0130 };
0131
0132 &hsi2c_4 {
0133 status = "okay";
0134
0135 pmic@66 {
0136 compatible = "samsung,s2mps11-pmic";
0137 reg = <0x66>;
0138 wakeup-source;
0139
0140 s2mps11_osc: clocks {
0141 compatible = "samsung,s2mps11-clk";
0142 #clock-cells = <1>;
0143 clock-output-names = "s2mps11_ap",
0144 "s2mps11_cp", "s2mps11_bt";
0145 };
0146
0147 regulators {
0148 ldo1_reg: LDO1 {
0149 regulator-name = "vdd_ldo1";
0150 regulator-min-microvolt = <1000000>;
0151 regulator-max-microvolt = <1000000>;
0152 regulator-always-on;
0153 };
0154
0155 ldo3_reg: LDO3 {
0156 regulator-name = "vdd_ldo3";
0157 regulator-min-microvolt = <1800000>;
0158 regulator-max-microvolt = <1800000>;
0159 regulator-always-on;
0160 };
0161
0162 ldo5_reg: LDO5 {
0163 regulator-name = "vdd_ldo5";
0164 regulator-min-microvolt = <1800000>;
0165 regulator-max-microvolt = <1800000>;
0166 regulator-always-on;
0167 };
0168
0169 ldo6_reg: LDO6 {
0170 regulator-name = "vdd_ldo6";
0171 regulator-min-microvolt = <1000000>;
0172 regulator-max-microvolt = <1000000>;
0173 regulator-always-on;
0174 };
0175
0176 ldo7_reg: LDO7 {
0177 regulator-name = "vdd_ldo7";
0178 regulator-min-microvolt = <1800000>;
0179 regulator-max-microvolt = <1800000>;
0180 regulator-always-on;
0181 };
0182
0183 ldo8_reg: LDO8 {
0184 regulator-name = "vdd_ldo8";
0185 regulator-min-microvolt = <1800000>;
0186 regulator-max-microvolt = <1800000>;
0187 regulator-always-on;
0188 };
0189
0190 ldo9_reg: LDO9 {
0191 regulator-name = "vdd_ldo9";
0192 regulator-min-microvolt = <3000000>;
0193 regulator-max-microvolt = <3000000>;
0194 regulator-always-on;
0195 };
0196
0197 ldo10_reg: LDO10 {
0198 regulator-name = "vdd_ldo10";
0199 regulator-min-microvolt = <1800000>;
0200 regulator-max-microvolt = <1800000>;
0201 regulator-always-on;
0202 };
0203
0204 ldo11_reg: LDO11 {
0205 regulator-name = "vdd_ldo11";
0206 regulator-min-microvolt = <1000000>;
0207 regulator-max-microvolt = <1000000>;
0208 regulator-always-on;
0209 };
0210
0211 ldo12_reg: LDO12 {
0212 regulator-name = "vdd_ldo12";
0213 regulator-min-microvolt = <1800000>;
0214 regulator-max-microvolt = <1800000>;
0215 regulator-always-on;
0216 };
0217
0218 ldo13_reg: LDO13 {
0219 regulator-name = "vdd_ldo13";
0220 regulator-min-microvolt = <2800000>;
0221 regulator-max-microvolt = <2800000>;
0222 regulator-always-on;
0223 };
0224
0225 ldo15_reg: LDO15 {
0226 regulator-name = "vdd_ldo15";
0227 regulator-min-microvolt = <3100000>;
0228 regulator-max-microvolt = <3100000>;
0229 regulator-always-on;
0230 };
0231
0232 ldo16_reg: LDO16 {
0233 regulator-name = "vdd_ldo16";
0234 regulator-min-microvolt = <2200000>;
0235 regulator-max-microvolt = <2200000>;
0236 regulator-always-on;
0237 };
0238
0239 ldo17_reg: LDO17 {
0240 regulator-name = "tsp_avdd";
0241 regulator-min-microvolt = <3300000>;
0242 regulator-max-microvolt = <3300000>;
0243 regulator-always-on;
0244 };
0245
0246 ldo19_reg: LDO19 {
0247 regulator-name = "vdd_sd";
0248 regulator-min-microvolt = <2800000>;
0249 regulator-max-microvolt = <2800000>;
0250 regulator-always-on;
0251 };
0252
0253 ldo24_reg: LDO24 {
0254 regulator-name = "tsp_io";
0255 regulator-min-microvolt = <2800000>;
0256 regulator-max-microvolt = <2800000>;
0257 regulator-always-on;
0258 };
0259
0260 buck1_reg: BUCK1 {
0261 regulator-name = "vdd_mif";
0262 regulator-min-microvolt = <800000>;
0263 regulator-max-microvolt = <1300000>;
0264 regulator-always-on;
0265 regulator-boot-on;
0266 };
0267
0268 buck2_reg: BUCK2 {
0269 regulator-name = "vdd_arm";
0270 regulator-min-microvolt = <800000>;
0271 regulator-max-microvolt = <1500000>;
0272 regulator-always-on;
0273 regulator-boot-on;
0274 };
0275
0276 buck3_reg: BUCK3 {
0277 regulator-name = "vdd_int";
0278 regulator-min-microvolt = <800000>;
0279 regulator-max-microvolt = <1400000>;
0280 regulator-always-on;
0281 regulator-boot-on;
0282 };
0283
0284 buck4_reg: BUCK4 {
0285 regulator-name = "vdd_g3d";
0286 regulator-min-microvolt = <800000>;
0287 regulator-max-microvolt = <1400000>;
0288 regulator-always-on;
0289 regulator-boot-on;
0290 };
0291
0292 buck5_reg: BUCK5 {
0293 regulator-name = "vdd_mem";
0294 regulator-min-microvolt = <800000>;
0295 regulator-max-microvolt = <1400000>;
0296 regulator-always-on;
0297 regulator-boot-on;
0298 };
0299
0300 buck6_reg: BUCK6 {
0301 regulator-name = "vdd_kfc";
0302 regulator-min-microvolt = <800000>;
0303 regulator-max-microvolt = <1500000>;
0304 regulator-always-on;
0305 regulator-boot-on;
0306 };
0307
0308 buck7_reg: BUCK7 {
0309 regulator-name = "vdd_1.0v_ldo";
0310 regulator-min-microvolt = <800000>;
0311 regulator-max-microvolt = <1500000>;
0312 regulator-always-on;
0313 regulator-boot-on;
0314 };
0315
0316 buck8_reg: BUCK8 {
0317 regulator-name = "vdd_1.8v_ldo";
0318 regulator-min-microvolt = <800000>;
0319 regulator-max-microvolt = <1500000>;
0320 regulator-always-on;
0321 regulator-boot-on;
0322 };
0323
0324 buck9_reg: BUCK9 {
0325 regulator-name = "vdd_2.8v_ldo";
0326 regulator-min-microvolt = <3000000>;
0327 regulator-max-microvolt = <3750000>;
0328 regulator-always-on;
0329 regulator-boot-on;
0330 };
0331
0332 buck10_reg: BUCK10 {
0333 regulator-name = "vdd_vmem";
0334 regulator-min-microvolt = <2850000>;
0335 regulator-max-microvolt = <2850000>;
0336 regulator-always-on;
0337 regulator-boot-on;
0338 };
0339 };
0340 };
0341 };
0342
0343 &i2c_2 {
0344 samsung,i2c-sda-delay = <100>;
0345 samsung,i2c-max-bus-freq = <66000>;
0346 /* used by HDMI DDC */
0347 status = "okay";
0348 };
0349
0350 &mixer {
0351 status = "okay";
0352 };
0353
0354 &mmc_0 {
0355 status = "okay";
0356 broken-cd;
0357 card-detect-delay = <200>;
0358 samsung,dw-mshc-ciu-div = <3>;
0359 samsung,dw-mshc-sdr-timing = <0 4>;
0360 samsung,dw-mshc-ddr-timing = <0 2>;
0361 samsung,dw-mshc-hs400-timing = <0 2>;
0362 samsung,read-strobe-delay = <90>;
0363 pinctrl-names = "default";
0364 pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8
0365 &sd0_rclk>;
0366 bus-width = <8>;
0367 cap-mmc-highspeed;
0368 };
0369
0370 &mmc_2 {
0371 status = "okay";
0372 card-detect-delay = <200>;
0373 samsung,dw-mshc-ciu-div = <3>;
0374 samsung,dw-mshc-sdr-timing = <2 3>;
0375 samsung,dw-mshc-ddr-timing = <1 2>;
0376 pinctrl-names = "default";
0377 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus1 &sd2_bus4>;
0378 bus-width = <4>;
0379 cap-sd-highspeed;
0380 };
0381
0382 &pinctrl_0 {
0383 hdmi_hpd_irq: hdmi-hpd-irq-pins {
0384 samsung,pins = "gpx3-7";
0385 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
0386 samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
0387 samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
0388 };
0389 };
0390
0391 &pinctrl_2 {
0392 usb300_vbus_en: usb300-vbus-en-pins {
0393 samsung,pins = "gpg0-5";
0394 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
0395 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
0396 samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
0397 };
0398
0399 usb301_vbus_en: usb301-vbus-en-pins {
0400 samsung,pins = "gpg1-4";
0401 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
0402 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
0403 samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
0404 };
0405 };
0406
0407 &rtc {
0408 status = "okay";
0409 clocks = <&clock CLK_RTC>, <&s2mps11_osc S2MPS11_CLK_AP>;
0410 clock-names = "rtc", "rtc_src";
0411 };
0412
0413 &usbdrd3_0 {
0414 vdd10-supply = <&ldo11_reg>;
0415 vdd33-supply = <&ldo9_reg>;
0416 };
0417
0418 &usbdrd3_1 {
0419 vdd10-supply = <&ldo11_reg>;
0420 vdd33-supply = <&ldo9_reg>;
0421 };
0422
0423 &usbdrd_phy0 {
0424 vbus-supply = <&usb300_vbus_reg>;
0425 };
0426
0427 &usbdrd_phy1 {
0428 vbus-supply = <&usb301_vbus_reg>;
0429 };
