0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003 * Google Spring board device tree source
0004 *
0005 * Copyright (c) 2013 Google, Inc
0006 * Copyright (c) 2014 SUSE LINUX Products GmbH
0007 */
0008
0009 /dts-v1/;
0010 #include <dt-bindings/clock/samsung,s2mps11.h>
0011 #include <dt-bindings/gpio/gpio.h>
0012 #include <dt-bindings/interrupt-controller/irq.h>
0013 #include <dt-bindings/input/input.h>
0014 #include "exynos5250.dtsi"
0015
0016 / {
0017 model = "Google Spring";
0018 compatible = "google,spring", "samsung,exynos5250", "samsung,exynos5";
0019 chassis-type = "laptop";
0020
0021 memory@40000000 {
0022 device_type = "memory";
0023 reg = <0x40000000 0x80000000>;
0024 };
0025
0026 chosen {
0027 bootargs = "console=tty1";
0028 stdout-path = "serial3:115200n8";
0029 };
0030
0031 gpio-keys {
0032 compatible = "gpio-keys";
0033 pinctrl-names = "default";
0034 pinctrl-0 = <&power_key_irq>, <&lid_irq>;
0035
0036 power-key {
0037 label = "Power";
0038 gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
0039 linux,code = <KEY_POWER>;
0040 wakeup-source;
0041 };
0042
0043 lid-switch {
0044 label = "Lid";
0045 gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
0046 linux,input-type = <5>; /* EV_SW */
0047 linux,code = <0>; /* SW_LID */
0048 debounce-interval = <1>;
0049 wakeup-source;
0050 };
0051 };
0052
0053 usb-hub {
0054 compatible = "smsc,usb3503a";
0055 reset-gpios = <&gpe1 0 GPIO_ACTIVE_LOW>;
0056 pinctrl-names = "default";
0057 pinctrl-0 = <&hsic_reset>;
0058 };
0059
0060 fixed-rate-clocks {
0061 xxti {
0062 compatible = "samsung,clock-xxti";
0063 clock-frequency = <24000000>;
0064 };
0065 };
0066 };
0067
0068 &cpu0 {
0069 cpu0-supply = <&buck2_reg>;
0070 };
0071
0072 &dp {
0073 status = "okay";
0074 pinctrl-names = "default";
0075 pinctrl-0 = <&dp_hpd_gpio>;
0076 samsung,color-space = <0>;
0077 samsung,color-depth = <1>;
0078 samsung,link-rate = <0x0a>;
0079 samsung,lane-count = <1>;
0080 hpd-gpios = <&gpc3 0 GPIO_ACTIVE_HIGH>;
0081 };
0082
0083 &ehci {
0084 samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
0085 };
0086
0087 &fimd {
0088 status = "okay";
0089 samsung,invert-vclk;
0090 };
0091
0092 &hdmi {
0093 status = "okay";
0094 hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
0095 pinctrl-names = "default";
0096 pinctrl-0 = <&hdmi_hpd_irq>;
0097 ddc = <&i2c_2>;
0098 hdmi-en-supply = <&ldo8_reg>;
0099 vdd-supply = <&ldo8_reg>;
0100 vdd_osc-supply = <&ldo10_reg>;
0101 vdd_pll-supply = <&ldo8_reg>;
0102 };
0103
0104 &i2c_0 {
0105 status = "okay";
0106 samsung,i2c-sda-delay = <100>;
0107 samsung,i2c-max-bus-freq = <378000>;
0108
0109 pmic@66 {
0110 compatible = "samsung,s5m8767-pmic";
0111 reg = <0x66>;
0112 interrupt-parent = <&gpx3>;
0113 interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
0114 pinctrl-names = "default";
0115 pinctrl-0 = <&s5m8767_irq &s5m8767_dvs &s5m8767_ds>;
0116 wakeup-source;
0117
0118 s5m8767,pmic-buck-dvs-gpios = <&gpd1 0 GPIO_ACTIVE_LOW>, /* DVS1 */
0119 <&gpd1 1 GPIO_ACTIVE_LOW>, /* DVS2 */
0120 <&gpd1 2 GPIO_ACTIVE_LOW>; /* DVS3 */
0121
0122 s5m8767,pmic-buck-ds-gpios = <&gpx2 3 GPIO_ACTIVE_LOW>, /* SET1 */
0123 <&gpx2 4 GPIO_ACTIVE_LOW>, /* SET2 */
0124 <&gpx2 5 GPIO_ACTIVE_LOW>; /* SET3 */
0125
0126 /*
0127 * The following arrays of DVS voltages are not used, since we are
0128 * not using GPIOs to control PMIC bucks, but they must be defined
0129 * to please the driver.
0130 */
0131 s5m8767,pmic-buck2-dvs-voltage = <1350000>, <1300000>,
0132 <1250000>, <1200000>,
0133 <1150000>, <1100000>,
0134 <1000000>, <950000>;
0135
0136 s5m8767,pmic-buck3-dvs-voltage = <1100000>, <1100000>,
0137 <1100000>, <1100000>,
0138 <1000000>, <1000000>,
0139 <1000000>, <1000000>;
0140
0141 s5m8767,pmic-buck4-dvs-voltage = <1200000>, <1200000>,
0142 <1200000>, <1200000>,
0143 <1200000>, <1200000>,
0144 <1200000>, <1200000>;
0145
0146 s5m8767_osc: clocks {
0147 compatible = "samsung,s5m8767-clk";
0148 #clock-cells = <1>;
0149 clock-output-names = "en32khz_ap",
0150 "en32khz_cp",
0151 "en32khz_bt";
0152 };
0153
0154 regulators {
0155 ldo4_reg: LDO4 {
0156 regulator-name = "P1.0V_LDO_OUT4";
0157 regulator-min-microvolt = <1000000>;
0158 regulator-max-microvolt = <1000000>;
0159 regulator-always-on;
0160 op_mode = <0>;
0161 };
0162
0163 ldo5_reg: LDO5 {
0164 regulator-name = "P1.0V_LDO_OUT5";
0165 regulator-min-microvolt = <1000000>;
0166 regulator-max-microvolt = <1000000>;
0167 regulator-always-on;
0168 op_mode = <0>;
0169 };
0170
0171 ldo6_reg: LDO6 {
0172 regulator-name = "vdd_mydp";
0173 regulator-min-microvolt = <1000000>;
0174 regulator-max-microvolt = <1000000>;
0175 regulator-always-on;
0176 op_mode = <3>;
0177 };
0178
0179 ldo7_reg: LDO7 {
0180 regulator-name = "P1.1V_LDO_OUT7";
0181 regulator-min-microvolt = <1100000>;
0182 regulator-max-microvolt = <1100000>;
0183 regulator-always-on;
0184 op_mode = <3>;
0185 };
0186
0187 ldo8_reg: LDO8 {
0188 regulator-name = "P1.0V_LDO_OUT8";
0189 regulator-min-microvolt = <1000000>;
0190 regulator-max-microvolt = <1000000>;
0191 regulator-always-on;
0192 op_mode = <3>;
0193 };
0194
0195 ldo10_reg: LDO10 {
0196 regulator-name = "P1.8V_LDO_OUT10";
0197 regulator-min-microvolt = <1800000>;
0198 regulator-max-microvolt = <1800000>;
0199 regulator-always-on;
0200 op_mode = <3>;
0201 };
0202
0203 ldo11_reg: LDO11 {
0204 regulator-name = "P1.8V_LDO_OUT11";
0205 regulator-min-microvolt = <1800000>;
0206 regulator-max-microvolt = <1800000>;
0207 regulator-always-on;
0208 op_mode = <0>;
0209 };
0210
0211 ldo12_reg: LDO12 {
0212 regulator-name = "P3.0V_LDO_OUT12";
0213 regulator-min-microvolt = <3000000>;
0214 regulator-max-microvolt = <3000000>;
0215 regulator-always-on;
0216 op_mode = <3>;
0217 };
0218
0219 ldo13_reg: LDO13 {
0220 regulator-name = "P1.8V_LDO_OUT13";
0221 regulator-min-microvolt = <1800000>;
0222 regulator-max-microvolt = <1800000>;
0223 regulator-always-on;
0224 op_mode = <0>;
0225 };
0226
0227 ldo14_reg: LDO14 {
0228 regulator-name = "P1.8V_LDO_OUT14";
0229 regulator-min-microvolt = <1800000>;
0230 regulator-max-microvolt = <1800000>;
0231 regulator-always-on;
0232 op_mode = <3>;
0233 };
0234
0235 ldo15_reg: LDO15 {
0236 regulator-name = "P1.0V_LDO_OUT15";
0237 regulator-min-microvolt = <1000000>;
0238 regulator-max-microvolt = <1000000>;
0239 regulator-always-on;
0240 op_mode = <3>;
0241 };
0242
0243 ldo16_reg: LDO16 {
0244 regulator-name = "P1.8V_LDO_OUT16";
0245 regulator-min-microvolt = <1800000>;
0246 regulator-max-microvolt = <1800000>;
0247 regulator-always-on;
0248 op_mode = <3>;
0249 };
0250
0251 ldo17_reg: LDO17 {
0252 regulator-name = "P2.8V_LDO_OUT17";
0253 regulator-min-microvolt = <2800000>;
0254 regulator-max-microvolt = <2800000>;
0255 regulator-always-on;
0256 op_mode = <0>;
0257 };
0258
0259 ldo25_reg: LDO25 {
0260 regulator-name = "vdd_bridge";
0261 regulator-min-microvolt = <1200000>;
0262 regulator-max-microvolt = <1200000>;
0263 regulator-always-on;
0264 op_mode = <1>;
0265 };
0266
0267 buck1_reg: BUCK1 {
0268 regulator-name = "vdd_mif";
0269 regulator-min-microvolt = <950000>;
0270 regulator-max-microvolt = <1300000>;
0271 regulator-always-on;
0272 regulator-boot-on;
0273 op_mode = <3>;
0274 };
0275
0276 buck2_reg: BUCK2 {
0277 regulator-name = "vdd_arm";
0278 regulator-min-microvolt = <850000>;
0279 regulator-max-microvolt = <1350000>;
0280 regulator-always-on;
0281 regulator-boot-on;
0282 op_mode = <3>;
0283 };
0284
0285 buck3_reg: BUCK3 {
0286 regulator-name = "vdd_int";
0287 regulator-min-microvolt = <900000>;
0288 regulator-max-microvolt = <1200000>;
0289 regulator-always-on;
0290 regulator-boot-on;
0291 op_mode = <3>;
0292 };
0293
0294 buck4_reg: BUCK4 {
0295 regulator-name = "vdd_g3d";
0296 regulator-min-microvolt = <850000>;
0297 regulator-max-microvolt = <1300000>;
0298 regulator-boot-on;
0299 op_mode = <3>;
0300 };
0301
0302 buck5_reg: BUCK5 {
0303 regulator-name = "P1.8V_BUCK_OUT5";
0304 regulator-min-microvolt = <1800000>;
0305 regulator-max-microvolt = <1800000>;
0306 regulator-always-on;
0307 regulator-boot-on;
0308 op_mode = <1>;
0309 };
0310
0311 buck6_reg: BUCK6 {
0312 regulator-name = "P1.2V_BUCK_OUT6";
0313 regulator-min-microvolt = <1200000>;
0314 regulator-max-microvolt = <1200000>;
0315 regulator-always-on;
0316 regulator-boot-on;
0317 op_mode = <0>;
0318 };
0319
0320 buck9_reg: BUCK9 {
0321 regulator-name = "vdd_ummc";
0322 regulator-min-microvolt = <950000>;
0323 regulator-max-microvolt = <3000000>;
0324 regulator-always-on;
0325 regulator-boot-on;
0326 op_mode = <3>;
0327 };
0328 };
0329 };
0330 };
0331
0332 &i2c_1 {
0333 status = "okay";
0334 samsung,i2c-sda-delay = <100>;
0335 samsung,i2c-max-bus-freq = <378000>;
0336
0337 trackpad@4b {
0338 compatible = "atmel,maxtouch";
0339 reg = <0x4b>;
0340 interrupt-parent = <&gpx1>;
0341 interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
0342 pinctrl-names = "default";
0343 pinctrl-0 = <&trackpad_irq>;
0344 linux,gpio-keymap = <KEY_RESERVED
0345 KEY_RESERVED
0346 KEY_RESERVED
0347 KEY_RESERVED
0348 KEY_RESERVED
0349 BTN_LEFT>;
0350 wakeup-source;
0351 };
0352 };
0353
0354 /*
0355 * Disabled pullups since external part has its own pullups and
0356 * double-pulling gets us out of spec in some cases.
0357 */
0358 &i2c2_bus {
0359 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
0360 };
0361
0362 &i2c_2 {
0363 status = "okay";
0364 /* used by HDMI DDC */
0365 samsung,i2c-sda-delay = <100>;
0366 samsung,i2c-max-bus-freq = <66000>;
0367 };
0368
0369 &i2c_3 {
0370 status = "okay";
0371 samsung,i2c-sda-delay = <100>;
0372 samsung,i2c-max-bus-freq = <66000>;
0373 };
0374
0375 &i2c_4 {
0376 status = "okay";
0377 samsung,i2c-sda-delay = <100>;
0378 samsung,i2c-max-bus-freq = <66000>;
0379
0380 cros_ec: embedded-controller@1e {
0381 compatible = "google,cros-ec-i2c";
0382 reg = <0x1e>;
0383 interrupts = <6 IRQ_TYPE_NONE>;
0384 interrupt-parent = <&gpx1>;
0385 wakeup-source;
0386 pinctrl-names = "default";
0387 pinctrl-0 = <&ec_irq>;
0388 };
0389 };
0390
0391 &i2c_5 {
0392 status = "okay";
0393 samsung,i2c-sda-delay = <100>;
0394 samsung,i2c-max-bus-freq = <66000>;
0395 };
0396
0397 &i2c_7 {
0398 status = "okay";
0399 samsung,i2c-sda-delay = <100>;
0400 samsung,i2c-max-bus-freq = <66000>;
0401
0402 temperature-sensor@4c {
0403 compatible = "gmt,g781";
0404 reg = <0x4c>;
0405 };
0406 };
0407
0408 &i2c_8 {
0409 status = "okay";
0410 /* used by HDMI PHY */
0411 samsung,i2c-sda-delay = <100>;
0412 samsung,i2c-max-bus-freq = <378000>;
0413 };
0414
0415 &i2s0 {
0416 status = "okay";
0417 };
0418
0419 &mixer {
0420 status = "okay";
0421 };
0422
0423 &mmc_0 {
0424 status = "okay";
0425 broken-cd;
0426 card-detect-delay = <200>;
0427 samsung,dw-mshc-ciu-div = <3>;
0428 samsung,dw-mshc-sdr-timing = <2 3>;
0429 samsung,dw-mshc-ddr-timing = <1 2>;
0430 pinctrl-names = "default";
0431 pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>;
0432 bus-width = <8>;
0433 cap-mmc-highspeed;
0434 };
0435
0436 /*
0437 * On Spring we've got SIP WiFi and so can keep drive strengths low to
0438 * reduce EMI.
0439 */
0440 &mmc_1 {
0441 status = "okay";
0442 broken-cd;
0443 card-detect-delay = <200>;
0444 samsung,dw-mshc-ciu-div = <3>;
0445 samsung,dw-mshc-sdr-timing = <2 3>;
0446 samsung,dw-mshc-ddr-timing = <1 2>;
0447 pinctrl-names = "default";
0448 pinctrl-0 = <&sd1_clk &sd1_cmd &sd1_cd &sd1_bus4>;
0449 bus-width = <4>;
0450 cap-sd-highspeed;
0451 };
0452
0453 &pinctrl_0 {
0454 s5m8767_dvs: s5m8767-dvs-pins {
0455 samsung,pins = "gpd1-0", "gpd1-1", "gpd1-2";
0456 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
0457 samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
0458 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
0459 };
0460
0461 dp_hpd_gpio: dp-hpd-pins {
0462 samsung,pins = "gpc3-0";
0463 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
0464 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
0465 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
0466 };
0467
0468 trackpad_irq: trackpad-irq-pins {
0469 samsung,pins = "gpx1-2";
0470 samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
0471 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
0472 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
0473 };
0474
0475 power_key_irq: power-key-irq-pins {
0476 samsung,pins = "gpx1-3";
0477 samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
0478 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
0479 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
0480 };
0481
0482 ec_irq: ec-irq-pins {
0483 samsung,pins = "gpx1-6";
0484 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
0485 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
0486 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
0487 };
0488
0489 s5m8767_ds: s5m8767-ds-pins {
0490 samsung,pins = "gpx2-3", "gpx2-4", "gpx2-5";
0491 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
0492 samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
0493 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
0494 };
0495
0496 s5m8767_irq: s5m8767-irq-pins {
0497 samsung,pins = "gpx3-2";
0498 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
0499 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
0500 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
0501 };
0502
0503 lid_irq: lid-irq-pins {
0504 samsung,pins = "gpx3-5";
0505 samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
0506 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
0507 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
0508 };
0509
0510 hdmi_hpd_irq: hdmi-hpd-irq-pins {
0511 samsung,pins = "gpx3-7";
0512 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
0513 samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
0514 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
0515 };
0516 };
0517
0518 &pinctrl_1 {
0519 hsic_reset: hsic-reset-pins {
0520 samsung,pins = "gpe1-0";
0521 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
0522 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
0523 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
0524 };
0525 };
0526
0527 &rtc {
0528 status = "okay";
0529 clocks = <&clock CLK_RTC>, <&s5m8767_osc S2MPS11_CLK_AP>;
0530 clock-names = "rtc", "rtc_src";
0531 };
0532
0533 &sd1_bus4 {
0534 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
0535 };
0536
0537 &sd1_cd {
0538 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
0539 };
0540
0541 &sd1_clk {
0542 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
0543 };
0544
0545 &sd1_cmd {
0546 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
0547 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
0548 };
0549
0550 &spi_1 {
0551 status = "okay";
0552 samsung,spi-src-clk = <0>;
0553 num-cs = <1>;
0554 };
0555
0556 &usbdrd {
0557 vdd10-supply = <&ldo15_reg>;
0558 vdd33-supply = <&ldo12_reg>;
0559 };
0560
0561 #include "cros-ec-keyboard.dtsi"
