sys/gnu/dts/arm/ste-ux500-samsung-golden.dts

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /dts-v1/;
   3
   4 #include "ste-db8500.dtsi"
   5 #include "ste-ab8505.dtsi"
   6 #include "ste-dbx5x0-pinctrl.dtsi"
   7 #include <dt-bindings/gpio/gpio.h>
   8 #include <dt-bindings/input/input.h>
   9 #include <dt-bindings/interrupt-controller/irq.h>
  10
  11 /*
  12  * Note: This device tree cannot be booted directly with the Samsung bootloader.
  13  * You need an intermediate, device-tree compatible bootloader
  14  * that locks the L2 cache. Otherwise the kernel will crash after decompression.
  15  *
  16  * There is a port of (mainline) U-Boot, see
  17  * https://wiki.postmarketos.org/wiki/ST-Ericsson_NovaThor_U8500#U-Boot
  18  */
  19 / {
  20         model = "Samsung Galaxy S III mini (GT-I8190)";
  21         compatible = "samsung,golden", "st-ericsson,u8500";
  22
  23         chosen {
  24                 stdout-path = &serial2;
  25         };
  26
  27         soc {
  28                 /* External Micro SD card slot */
  29                 sdi0_per1@80126000 {
  30                         status = "okay";
  31
  32                         arm,primecell-periphid = <0x10480180>;
  33                         max-frequency = <100000000>;
  34                         bus-width = <4>;
  35
  36                         non-removable;
  37                         /*
  38                          * Unfortunately, there is no way to enable the UHS
  39                          * modes due to a limitation of the SD level translator:
  40                          * It will either translate to 2.9V or disconnect the
  41                          * DATA lines, so switching to 1.8V signal voltage fails.
  42                          */
  43                         cap-sd-highspeed;
  44                         cap-mmc-highspeed;
  45                         st,sig-pin-fbclk;
  46                         full-pwr-cycle;
  47
  48                         vmmc-supply = <&ab8500_ldo_aux3_reg>;
  49                         vqmmc-supply = <&sd_level_translator>;
  50
  51                         pinctrl-names = "default", "sleep";
  52                         pinctrl-0 = <&mc0_a_2_default>;
  53                         pinctrl-1 = <&mc0_a_2_sleep>;
  54                 };
  55
  56                 /* WLAN SDIO */
  57                 sdi1_per2@80118000 {
  58                         status = "okay";
  59
  60                         arm,primecell-periphid = <0x10480180>;
  61                         max-frequency = <50000000>;
  62                         bus-width = <4>;
  63
  64                         non-removable;
  65                         cap-sd-highspeed;
  66
  67                         vmmc-supply = <&wl_reg_on>;
  68
  69                         pinctrl-names = "default", "sleep";
  70                         pinctrl-0 = <&mc1_a_2_default>;
  71                         pinctrl-1 = <&mc1_a_2_sleep>;
  72
  73                         #address-cells = <1>;
  74                         #size-cells = <0>;
  75
  76                         wifi@1 {
  77                                 compatible = "brcm,bcm4329-fmac";
  78                                 reg = <1>;
  79
  80                                 /* GPIO216 (WLAN_HOST_WAKE) */
  81                                 interrupt-parent = <&gpio6>;
  82                                 interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
  83                                 interrupt-names = "host-wake";
  84
  85                                 pinctrl-names = "default";
  86                                 pinctrl-0 = <&wlan_default>;
  87                         };
  88                 };
  89
  90                 /* eMMC */
  91                 sdi2_per3@80005000 {
  92                         status = "okay";
  93
  94                         arm,primecell-periphid = <0x10480180>;
  95                         max-frequency = <100000000>;
  96                         bus-width = <8>;
  97
  98                         non-removable;
  99                         cap-mmc-highspeed;
 100                         mmc-ddr-1_8v;
 101
 102                         vmmc-supply = <&vmem_3v3>;
 103
 104                         pinctrl-names = "default", "sleep";
 105                         pinctrl-0 = <&mc2_a_1_default>;
 106                         pinctrl-1 = <&mc2_a_1_sleep>;
 107                 };
 108
 109                 /* BT UART */
 110                 uart@80120000 {
 111                         status = "okay";
 112
 113                         pinctrl-names = "default", "sleep";
 114                         pinctrl-0 = <&u0_a_1_default>;
 115                         pinctrl-1 = <&u0_a_1_sleep>;
 116
 117                         bluetooth {
 118                                 compatible = "brcm,bcm4330-bt";
 119                                 /* GPIO222 (BT_VREG_ON) */
 120                                 shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>;
 121                                 /* GPIO199 (BT_WAKE) */
 122                                 device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
 123                                 /* GPIO97 (BT_HOST_WAKE) */
 124                                 host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
 125
 126                                 pinctrl-names = "default";
 127                                 pinctrl-0 = <&bluetooth_default>;
 128                         };
 129                 };
 130
 131                 /* GPF UART */
 132                 uart@80121000 {
 133                         status = "okay";
 134
 135                         pinctrl-names = "default", "sleep";
 136                         pinctrl-0 = <&u1rxtx_a_1_default &u1ctsrts_a_1_default>;
 137                         pinctrl-1 = <&u1rxtx_a_1_sleep &u1ctsrts_a_1_sleep>;
 138                 };
 139
 140                 /* Debugging console UART */
 141                 uart@80007000 {
 142                         status = "okay";
 143
 144                         pinctrl-names = "default", "sleep";
 145                         pinctrl-0 = <&u2rxtx_c_1_default>;
 146                         pinctrl-1 = <&u2rxtx_c_1_sleep>;
 147                 };
 148
 149                 i2c@80128000 {
 150                         status = "okay";
 151
 152                         pinctrl-names = "default", "sleep";
 153                         pinctrl-0 = <&i2c2_b_2_default>;
 154                         pinctrl-1 = <&i2c2_b_2_sleep>;
 155
 156                         imu@68 {
 157                                 compatible = "invensense,mpu6050";
 158                                 reg = <0x68>;
 159
 160                                 /* GPIO206 (ACC_INT) */
 161                                 interrupt-parent = <&gpio6>;
 162                                 interrupts = <14 IRQ_TYPE_EDGE_RISING>;
 163
 164                                 mount-matrix = "0", "1", "0",
 165                                               "-1", "0", "0",
 166                                                "0", "0", "1";
 167
 168                                 vdd-supply = <&ab8500_ldo_aux1_reg>;
 169                                 vddio-supply = <&ab8500_ldo_aux8_reg>;
 170
 171                                 pinctrl-names = "default";
 172                                 pinctrl-0 = <&imu_default>;
 173                         };
 174                 };
 175
 176                 i2c@80110000 {
 177                         status = "okay";
 178
 179                         pinctrl-names = "default", "sleep";
 180                         pinctrl-0 = <&i2c3_c_2_default>;
 181                         pinctrl-1 = <&i2c3_c_2_sleep>;
 182
 183                         touchscreen@4a {
 184                                 compatible = "atmel,maxtouch";
 185                                 reg = <0x4a>;
 186
 187                                 /* GPIO218 (TSP_INT_1V8) */
 188                                 interrupt-parent = <&gpio6>;
 189                                 interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
 190
 191                                 pinctrl-names = "default";
 192                                 pinctrl-0 = <&tsp_default>;
 193                         };
 194                 };
 195
 196                 prcmu@80157000 {
 197                         ab8505 {
 198                                 ab8500_usb {
 199                                         pinctrl-names = "default", "sleep";
 200                                         pinctrl-0 = <&usb_a_1_default>;
 201                                         pinctrl-1 = <&usb_a_1_sleep>;
 202                                 };
 203
 204                                 ab8505-regulators {
 205                                         ab8500_ldo_aux1 {
 206                                                 regulator-name = "sensor_3v";
 207                                                 regulator-min-microvolt = <3000000>;
 208                                                 regulator-max-microvolt = <3000000>;
 209                                         };
 210
 211                                         ab8500_ldo_aux2 {
 212                                                 regulator-name = "vreg_tsp_a3v3";
 213                                                 regulator-min-microvolt = <3300000>;
 214                                                 regulator-max-microvolt = <3300000>;
 215                                                 regulator-always-on; /* FIXME */
 216                                         };
 217
 218                                         ab8500_ldo_aux3 {
 219                                                 regulator-name = "vdd_tf_2v91";
 220                                         };
 221
 222                                         ab8500_ldo_aux4 {
 223                                                 regulator-name = "key_led_3.3v";
 224                                                 regulator-min-microvolt = <3300000>;
 225                                                 regulator-max-microvolt = <3300000>;
 226                                         };
 227
 228                                         ab8500_ldo_aux5 {
 229                                                 regulator-name = "vreg_tsp_1v8";
 230                                                 regulator-min-microvolt = <1800000>;
 231                                                 regulator-max-microvolt = <1800000>;
 232                                                 regulator-always-on; /* FIXME */
 233                                         };
 234
 235                                         ab8500_ldo_aux6 {
 236                                                 regulator-name = "touch_key_2.2v";
 237                                                 regulator-min-microvolt = <2200000>;
 238                                                 regulator-max-microvolt = <2200000>;
 239                                         };
 240
 241                                         ab8500_ldo_aux8 {
 242                                                 regulator-name = "sensor_1v8";
 243                                         };
 244                                 };
 245                         };
 246                 };
 247         };
 248
 249         gpio-keys {
 250                 compatible = "gpio-keys";
 251
 252                 pinctrl-names = "default";
 253                 pinctrl-0 = <&gpio_keys_default>;
 254
 255                 label = "GPIO Buttons";
 256
 257                 volume-up {
 258                         label = "Volume Up";
 259                         /* GPIO67 (VOL_UP) */
 260                         gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
 261                         linux,code = <KEY_VOLUMEUP>;
 262                 };
 263
 264                 volume-down {
 265                         label = "Volume Down";
 266                         /* GPIO92 (VOL_DOWN) */
 267                         gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
 268                         linux,code = <KEY_VOLUMEDOWN>;
 269                 };
 270
 271                 home {
 272                         label = "Home";
 273                         /* GPIO91 (HOME_KEY) */
 274                         gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
 275                         linux,code = <KEY_HOMEPAGE>;
 276                 };
 277         };
 278
 279         vibrator {
 280                 compatible = "gpio-vibrator";
 281                 /* GPIO195 (MOT_EN) */
 282                 enable-gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>;
 283
 284                 pinctrl-names = "default";
 285                 pinctrl-0 = <&vibrator_default>;
 286         };
 287
 288         /* External LDO for eMMC */
 289         vmem_3v3: regulator-vmem {
 290                 compatible = "regulator-fixed";
 291
 292                 regulator-name = "vmem_3v3";
 293                 regulator-min-microvolt = <3300000>;
 294                 regulator-max-microvolt = <3300000>;
 295                 regulator-boot-on;
 296
 297                 startup-delay-us = <200>;
 298
 299                 /* GPIO223 (MEM_LDO_EN) */
 300                 gpio = <&gpio6 31 GPIO_ACTIVE_HIGH>;
 301                 enable-active-high;
 302
 303                 pinctrl-names = "default";
 304                 pinctrl-0 = <&mem_ldo_default>;
 305         };
 306
 307         /* TI TXS0206-29 level translator for 2.9 V */
 308         sd_level_translator: regulator-sd-level-translator {
 309                 compatible = "regulator-fixed";
 310
 311                 regulator-name = "sd-level-translator";
 312                 regulator-min-microvolt = <2900000>;
 313                 regulator-max-microvolt = <2900000>;
 314
 315                 startup-delay-us = <200>;
 316
 317                 /* GPIO87 (TXS0206-29_EN) */
 318                 gpios = <&gpio2 23 GPIO_ACTIVE_HIGH>;
 319                 enable-active-high;
 320
 321                 pinctrl-names = "default";
 322                 pinctrl-0 = <&sd_level_translator_default>;
 323         };
 324
 325         /*
 326          * WL_REG_ON takes WLAN out of reset and enables the internal regulators.
 327          * The voltage specified here is only used to determine the OCR mask,
 328          * the BCM chip is actually connected directly to VBAT.
 329          */
 330         wl_reg_on: regulator-wl-reg-on {
 331                 compatible = "regulator-fixed";
 332
 333                 regulator-name = "wl-reg-on";
 334                 regulator-min-microvolt = <3000000>;
 335                 regulator-max-microvolt = <3000000>;
 336
 337                 startup-delay-us = <100000>;
 338
 339                 /* GPIO215 (WLAN_EN) */
 340                 gpio = <&gpio6 23 GPIO_ACTIVE_HIGH>;
 341                 enable-active-high;
 342
 343                 pinctrl-names = "default";
 344                 pinctrl-0 = <&wlan_en_default>;
 345         };
 346 };
 347
 348 &pinctrl {
 349         gpio-keys {
 350                 gpio_keys_default: gpio_keys_default {
 351                         golden_cfg1 {
 352                                 pins = "GPIO67",        /* VOL_UP */
 353                                        "GPIO91",        /* HOME_KEY */
 354                                        "GPIO92";        /* VOL_DOWN */
 355                                 ste,config = <&gpio_in_pu>;
 356                         };
 357                 };
 358         };
 359
 360         sdi0 {
 361                 sd_level_translator_default: sd_level_translator_default {
 362                         golden_cfg1 {
 363                                 pins = "GPIO87_B3";     /* TXS0206-29_EN */
 364                                 ste,config = <&gpio_out_lo>;
 365                         };
 366                 };
 367         };
 368
 369         sdi2 {
 370                 mem_ldo_default: mem_ldo_default {
 371                         golden_cfg1 {
 372                                 pins = "GPIO223_AH9";   /* MEM_LDO_EN */
 373                                 ste,config = <&gpio_out_hi>;
 374                         };
 375                 };
 376         };
 377
 378         imu {
 379                 imu_default: imu_default {
 380                         golden_cfg1 {
 381                                 pins = "GPIO206_AG24";  /* ACC_INT */
 382                                 ste,config = <&gpio_in_pd>;
 383                         };
 384                 };
 385         };
 386
 387         tsp {
 388                 tsp_default: tsp_default {
 389                         golden_cfg1 {
 390                                 pins = "GPIO218_AH11";  /* TSP_INT_1V8 */
 391                                 ste,config = <&gpio_in_nopull>;
 392                         };
 393                 };
 394         };
 395
 396         wlan {
 397                 wlan_default: wlan_default {
 398                         golden_cfg1 {
 399                                 pins = "GPIO216_AG12";  /* WLAN_HOST_WAKE */
 400                                 ste,config = <&gpio_in_pd>;
 401                         };
 402                 };
 403
 404                 wlan_en_default: wlan_en_default {
 405                         golden_cfg1 {
 406                                 pins = "GPIO215_AH13";  /* WLAN_EN */
 407                                 ste,config = <&gpio_out_lo>;
 408                         };
 409                 };
 410         };
 411
 412         bluetooth {
 413                 bluetooth_default: bluetooth_default {
 414                         golden_cfg1 {
 415                                 pins = "GPIO199_AH23",  /* BT_WAKE */
 416                                        "GPIO222_AJ9";   /* BT_VREG_ON */
 417                                 ste,config = <&gpio_out_lo>;
 418                         };
 419                         golden_cfg2 {
 420                                 pins = "GPIO97_D9";     /* BT_HOST_WAKE */
 421                                 ste,config = <&gpio_in_nopull>;
 422                         };
 423                 };
 424         };
 425
 426         vibrator {
 427                 vibrator_default: vibrator_default {
 428                         golden_cfg1 {
 429                                 pins = "GPIO195_AG28";  /* MOT_EN */
 430                                 ste,config = <&gpio_out_lo>;
 431                         };
 432                 };
 433         };
 434 };
 435
 436 &ab8505_gpio {
 437         /* Hog a few default settings */
 438         pinctrl-names = "default";
 439         pinctrl-0 = <&gpio_default>;
 440
 441         gpio {
 442                 gpio_default: gpio_default {
 443                         golden_mux {
 444                                 /* Change unused pins to GPIO mode */
 445                                 function = "gpio";
 446                                 groups = "gpio3_a_1",   /* default: SysClkReq4 */
 447                                          "gpio14_a_1";  /* default: PWMOut1 */
 448                         };
 449                         golden_cfg1 {
 450                                 pins = "GPIO11_B17", "GPIO13_D17", "GPIO50_L4";
 451                                 bias-disable;
 452                         };
 453                 };
 454         };
 455 };