arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2015, The Linux Foundation. All rights reserved.
   4  */
   5
   6 #include "msm8916.dtsi"
   7 #include "pm8916.dtsi"
   8 #include "apq8016-sbc-soc-pins.dtsi"
   9 #include "apq8016-sbc-pmic-pins.dtsi"
  10 #include <dt-bindings/gpio/gpio.h>
  11 #include <dt-bindings/input/input.h>
  12 #include <dt-bindings/sound/apq8016-lpass.h>
  13
  14 /*
  15  * GPIO name legend: proper name = the GPIO line is used as GPIO
  16  *         NC = not connected (pin out but not routed from the chip to
  17  *              anything the board)
  18  *         "[PER]" = pin is muxed for [peripheral] (not GPIO)
  19  *         LSEC = Low Speed External Connector
  20  *         HSEC = High Speed External Connector
  21  *
  22  * Line names are taken from the schematic "DragonBoard410c"
  23  * dated monday, august 31, 2015. Page 5 in particular.
  24  *
  25  * For the lines routed to the external connectors the
  26  * lines are named after the 96Boards CE Specification 1.0,
  27  * Appendix "Expansion Connector Signal Description".
  28  *
  29  * When the 96Board naming of a line and the schematic name of
  30  * the same line are in conflict, the 96Board specification
  31  * takes precedence, which means that the external UART on the
  32  * LSEC is named UART0 while the schematic and SoC names this
  33  * UART3. This is only for the informational lines i.e. "[FOO]",
  34  * the GPIO named lines "GPIO-A" thru "GPIO-L" are the only
  35  * ones actually used for GPIO.
  36  */
  37
  38 / {
  39         aliases {
  40                 serial0 = &blsp1_uart2;
  41                 serial1 = &blsp1_uart1;
  42                 usid0 = &pm8916_0;
  43                 i2c0    = &blsp_i2c2;
  44                 i2c1    = &blsp_i2c6;
  45                 i2c3    = &blsp_i2c4;
  46                 spi0    = &blsp_spi5;
  47                 spi1    = &blsp_spi3;
  48         };
  49
  50         chosen {
  51                 stdout-path = "serial0";
  52         };
  53
  54         reserved-memory {
  55                 ramoops@bff00000{
  56                         compatible = "ramoops";
  57                         reg = <0x0 0xbff00000 0x0 0x100000>;
  58
  59                         record-size = <0x20000>;
  60                         console-size = <0x20000>;
  61                         ftrace-size = <0x20000>;
  62                 };
  63         };
  64
  65         soc {
  66                 pinctrl@1000000 {
  67                         gpio-line-names =
  68                                 "[UART0_TX]", /* GPIO_0, LSEC pin 5 */
  69                                 "[UART0_RX]", /* GPIO_1, LSEC pin 7 */
  70                                 "[UART0_CTS_N]", /* GPIO_2, LSEC pin 3 */
  71                                 "[UART0_RTS_N]", /* GPIO_3, LSEC pin 9 */
  72                                 "[UART1_TX]", /* GPIO_4, LSEC pin 11 */
  73                                 "[UART1_RX]", /* GPIO_5, LSEC pin 13 */
  74                                 "[I2C0_SDA]", /* GPIO_8, LSEC pin 17 */
  75                                 "[I2C0_SCL]", /* GPIO_7, LSEC pin 15 */
  76                                 "[SPI1_DOUT]", /* SPI1_MOSI, HSEC pin 1 */
  77                                 "[SPI1_DIN]", /* SPI1_MISO, HSEC pin 11 */
  78                                 "[SPI1_CS]", /* SPI1_CS_N, HSEC pin 7 */
  79                                 "[SPI1_SCLK]", /* SPI1_CLK, HSEC pin 9 */
  80                                 "GPIO-B", /* LS_EXP_GPIO_B, LSEC pin 24 */
  81                                 "GPIO-C", /* LS_EXP_GPIO_C, LSEC pin 25 */
  82                                 "[I2C3_SDA]", /* HSEC pin 38 */
  83                                 "[I2C3_SCL]", /* HSEC pin 36 */
  84                                 "[SPI0_MOSI]", /* LSEC pin 14 */
  85                                 "[SPI0_MISO]", /* LSEC pin 10 */
  86                                 "[SPI0_CS_N]", /* LSEC pin 12 */
  87                                 "[SPI0_CLK]", /* LSEC pin 8 */
  88                                 "HDMI_HPD_N", /* GPIO 20 */
  89                                 "USR_LED_1_CTRL",
  90                                 "[I2C1_SDA]", /* GPIO_22, LSEC pin 21 */
  91                                 "[I2C1_SCL]", /* GPIO_23, LSEC pin 19 */
  92                                 "GPIO-G", /* LS_EXP_GPIO_G, LSEC pin 29 */
  93                                 "GPIO-H", /* LS_EXP_GPIO_H, LSEC pin 30 */
  94                                 "[CSI0_MCLK]", /* HSEC pin 15 */
  95                                 "[CSI1_MCLK]", /* HSEC pin 17 */
  96                                 "GPIO-K", /* LS_EXP_GPIO_K, LSEC pin 33 */
  97                                 "[I2C2_SDA]", /* HSEC pin 34 */
  98                                 "[I2C2_SCL]", /* HSEC pin 32 */
  99                                 "DSI2HDMI_INT_N",
 100                                 "DSI_SW_SEL_APQ",
 101                                 "GPIO-L", /* LS_EXP_GPIO_L, LSEC pin 34 */
 102                                 "GPIO-J", /* LS_EXP_GPIO_J, LSEC pin 32 */
 103                                 "GPIO-I", /* LS_EXP_GPIO_I, LSEC pin 31 */
 104                                 "GPIO-A", /* LS_EXP_GPIO_A, LSEC pin 23 */
 105                                 "FORCED_USB_BOOT",
 106                                 "SD_CARD_DET_N",
 107                                 "[WCSS_BT_SSBI]",
 108                                 "[WCSS_WLAN_DATA_2]", /* GPIO 40 */
 109                                 "[WCSS_WLAN_DATA_1]",
 110                                 "[WCSS_WLAN_DATA_0]",
 111                                 "[WCSS_WLAN_SET]",
 112                                 "[WCSS_WLAN_CLK]",
 113                                 "[WCSS_FM_SSBI]",
 114                                 "[WCSS_FM_SDI]",
 115                                 "[WCSS_BT_DAT_CTL]",
 116                                 "[WCSS_BT_DAT_STB]",
 117                                 "NC",
 118                                 "NC", /* GPIO 50 */
 119                                 "NC",
 120                                 "NC",
 121                                 "NC",
 122                                 "NC",
 123                                 "NC",
 124                                 "NC",
 125                                 "NC",
 126                                 "NC",
 127                                 "NC",
 128                                 "NC", /* GPIO 60 */
 129                                 "NC",
 130                                 "NC",
 131                                 "[CDC_PDM0_CLK]",
 132                                 "[CDC_PDM0_SYNC]",
 133                                 "[CDC_PDM0_TX0]",
 134                                 "[CDC_PDM0_RX0]",
 135                                 "[CDC_PDM0_RX1]",
 136                                 "[CDC_PDM0_RX2]",
 137                                 "GPIO-D", /* LS_EXP_GPIO_D, LSEC pin 26 */
 138                                 "NC", /* GPIO 70 */
 139                                 "NC",
 140                                 "NC",
 141                                 "NC",
 142                                 "NC", /* GPIO 74 */
 143                                 "NC",
 144                                 "NC",
 145                                 "NC",
 146                                 "NC",
 147                                 "NC",
 148                                 "BOOT_CONFIG_0", /* GPIO 80 */
 149                                 "BOOT_CONFIG_1",
 150                                 "BOOT_CONFIG_2",
 151                                 "BOOT_CONFIG_3",
 152                                 "NC",
 153                                 "NC",
 154                                 "BOOT_CONFIG_5",
 155                                 "NC",
 156                                 "NC",
 157                                 "NC",
 158                                 "NC", /* GPIO 90 */
 159                                 "NC",
 160                                 "NC",
 161                                 "NC",
 162                                 "NC",
 163                                 "NC",
 164                                 "NC",
 165                                 "NC",
 166                                 "NC",
 167                                 "NC",
 168                                 "NC", /* GPIO 100 */
 169                                 "NC",
 170                                 "NC",
 171                                 "NC",
 172                                 "SSBI_GPS",
 173                                 "NC",
 174                                 "NC",
 175                                 "KEY_VOLP_N",
 176                                 "NC",
 177                                 "NC",
 178                                 "[LS_EXP_MI2S_WS]", /* GPIO 110 */
 179                                 "NC",
 180                                 "NC",
 181                                 "[LS_EXP_MI2S_SCK]",
 182                                 "[LS_EXP_MI2S_DATA0]",
 183                                 "GPIO-E", /* LS_EXP_GPIO_E, LSEC pin 27 */
 184                                 "NC",
 185                                 "[DSI2HDMI_MI2S_WS]",
 186                                 "[DSI2HDMI_MI2S_SCK]",
 187                                 "[DSI2HDMI_MI2S_DATA0]",
 188                                 "USR_LED_2_CTRL", /* GPIO 120 */
 189                                 "SB_HS_ID";
 190                 };
 191
 192                 dma@7884000 {
 193                         status = "okay";
 194                 };
 195
 196                 serial@78af000 {
 197                         label = "LS-UART0";
 198                         status = "okay";
 199                         pinctrl-names = "default", "sleep";
 200                         pinctrl-0 = <&blsp1_uart1_default>;
 201                         pinctrl-1 = <&blsp1_uart1_sleep>;
 202                 };
 203
 204                 serial@78b0000 {
 205                         label = "LS-UART1";
 206                         status = "okay";
 207                         pinctrl-names = "default", "sleep";
 208                         pinctrl-0 = <&blsp1_uart2_default>;
 209                         pinctrl-1 = <&blsp1_uart2_sleep>;
 210                 };
 211
 212                 i2c@78b6000 {
 213                 /* On Low speed expansion */
 214                         label = "LS-I2C0";
 215                         status = "okay";
 216                 };
 217
 218                 i2c@78b8000 {
 219                 /* On High speed expansion */
 220                         label = "HS-I2C2";
 221                         status = "okay";
 222
 223                         adv_bridge: bridge@39 {
 224                                 status = "okay";
 225
 226                                 compatible = "adi,adv7533";
 227                                 reg = <0x39>;
 228
 229                                 interrupt-parent = <&msmgpio>;
 230                                 interrupts = <31 2>;
 231
 232                                 adi,dsi-lanes = <4>;
 233                                 clocks = <&rpmcc RPM_SMD_BB_CLK2>;
 234                                 clock-names = "cec";
 235
 236                                 pd-gpios = <&msmgpio 32 0>;
 237
 238                                 avdd-supply = <&pm8916_l6>;
 239                                 v1p2-supply = <&pm8916_l6>;
 240                                 v3p3-supply = <&pm8916_l17>;
 241
 242                                 pinctrl-names = "default","sleep";
 243                                 pinctrl-0 = <&adv7533_int_active &adv7533_switch_active>;
 244                                 pinctrl-1 = <&adv7533_int_suspend &adv7533_switch_suspend>;
 245                                 #sound-dai-cells = <1>;
 246
 247                                 ports {
 248                                         #address-cells = <1>;
 249                                         #size-cells = <0>;
 250
 251                                         port@0 {
 252                                                 reg = <0>;
 253                                                 adv7533_in: endpoint {
 254                                                         remote-endpoint = <&dsi0_out>;
 255                                                 };
 256                                         };
 257
 258                                         port@1 {
 259                                                 reg = <1>;
 260                                                 adv7533_out: endpoint {
 261                                                         remote-endpoint = <&hdmi_con>;
 262                                                 };
 263                                         };
 264                                 };
 265                         };
 266                 };
 267
 268                 i2c@78ba000 {
 269                 /* On Low speed expansion */
 270                         label = "LS-I2C1";
 271                         status = "okay";
 272                 };
 273
 274                 spi@78b7000 {
 275                 /* On High speed expansion */
 276                         label = "HS-SPI1";
 277                         status = "okay";
 278                 };
 279
 280                 spi@78b9000 {
 281                 /* On Low speed expansion */
 282                         label = "LS-SPI0";
 283                         status = "okay";
 284                 };
 285
 286                 leds {
 287                         pinctrl-names = "default";
 288                         pinctrl-0 = <&msmgpio_leds>,
 289                                     <&pm8916_gpios_leds>,
 290                                     <&pm8916_mpps_leds>;
 291
 292                         compatible = "gpio-leds";
 293
 294                         led@1 {
 295                                 label = "apq8016-sbc:green:user1";
 296                                 gpios = <&msmgpio 21 GPIO_ACTIVE_HIGH>;
 297                                 linux,default-trigger = "heartbeat";
 298                                 default-state = "off";
 299                         };
 300
 301                         led@2 {
 302                                 label = "apq8016-sbc:green:user2";
 303                                 gpios = <&msmgpio 120 GPIO_ACTIVE_HIGH>;
 304                                 linux,default-trigger = "mmc0";
 305                                 default-state = "off";
 306                         };
 307
 308                         led@3 {
 309                                 label = "apq8016-sbc:green:user3";
 310                                 gpios = <&pm8916_gpios 1 GPIO_ACTIVE_HIGH>;
 311                                 linux,default-trigger = "mmc1";
 312                                 default-state = "off";
 313                         };
 314
 315                         led@4 {
 316                                 label = "apq8016-sbc:green:user4";
 317                                 gpios = <&pm8916_gpios 2 GPIO_ACTIVE_HIGH>;
 318                                 linux,default-trigger = "none";
 319                                 panic-indicator;
 320                                 default-state = "off";
 321                         };
 322
 323                         led@5 {
 324                                 label = "apq8016-sbc:yellow:wlan";
 325                                 gpios = <&pm8916_mpps 2 GPIO_ACTIVE_HIGH>;
 326                                 linux,default-trigger = "phy0tx";
 327                                 default-state = "off";
 328                         };
 329
 330                         led@6 {
 331                                 label = "apq8016-sbc:blue:bt";
 332                                 gpios = <&pm8916_mpps 3 GPIO_ACTIVE_HIGH>;
 333                                 linux,default-trigger = "bluetooth-power";
 334                                 default-state = "off";
 335                         };
 336                 };
 337
 338                 sdhci@7824000 {
 339                         vmmc-supply = <&pm8916_l8>;
 340                         vqmmc-supply = <&pm8916_l5>;
 341
 342                         pinctrl-names = "default", "sleep";
 343                         pinctrl-0 = <&sdc1_clk_on &sdc1_cmd_on &sdc1_data_on>;
 344                         pinctrl-1 = <&sdc1_clk_off &sdc1_cmd_off &sdc1_data_off>;
 345                         status = "okay";
 346                 };
 347
 348                 sdhci@7864000 {
 349                         vmmc-supply = <&pm8916_l11>;
 350                         vqmmc-supply = <&pm8916_l12>;
 351
 352                         pinctrl-names = "default", "sleep";
 353                         pinctrl-0 = <&sdc2_clk_on &sdc2_cmd_on &sdc2_data_on &sdc2_cd_on>;
 354                         pinctrl-1 = <&sdc2_clk_off &sdc2_cmd_off &sdc2_data_off &sdc2_cd_off>;
 355
 356                         cd-gpios = <&msmgpio 38 0x1>;
 357                         status = "okay";
 358                 };
 359
 360                 usb@78d9000 {
 361                         extcon = <&usb_id>;
 362                         status = "okay";
 363                         adp-disable;
 364                         hnp-disable;
 365                         srp-disable;
 366                         dr_mode = "host";
 367                         pinctrl-names = "default";
 368                         pinctrl-0 = <&usb_sw_sel_pm>;
 369                         ulpi {
 370                                 phy {
 371                                         v1p8-supply = <&pm8916_l7>;
 372                                         v3p3-supply = <&pm8916_l13>;
 373                                         extcon = <&usb_id>;
 374                                 };
 375                         };
 376                 };
 377
 378                 lpass@7708000 {
 379                         status = "okay";
 380                 };
 381
 382                 mdss@1a00000 {
 383                         status = "okay";
 384
 385                         mdp@1a01000 {
 386                                 status = "okay";
 387                         };
 388
 389                         dsi@1a98000 {
 390                                 status = "okay";
 391
 392                                 vdda-supply = <&pm8916_l2>;
 393                                 vddio-supply = <&pm8916_l6>;
 394
 395                                 ports {
 396                                         port@1 {
 397                                                 endpoint {
 398                                                         remote-endpoint = <&adv7533_in>;
 399                                                         data-lanes = <0 1 2 3>;
 400                                                 };
 401                                         };
 402                                 };
 403                         };
 404
 405                         dsi-phy@1a98300 {
 406                                 status = "okay";
 407
 408                                 vddio-supply = <&pm8916_l6>;
 409                         };
 410                 };
 411
 412                 lpass_codec: codec{
 413                         status = "okay";
 414                 };
 415
 416                 /*
 417                 Internal Codec
 418                         playback - Primary MI2S
 419                         capture - Ter MI2S
 420
 421                 External Primary:
 422                         playback - secondary MI2S
 423                         capture - Quat MI2S
 424
 425                 External Secondary:
 426                         playback - Quat MI2S
 427                         capture - Quat MI2S
 428
 429                 */
 430
 431                 sound: sound {
 432                         compatible = "qcom,apq8016-sbc-sndcard";
 433                         reg = <0x07702000 0x4>, <0x07702004 0x4>;
 434                         reg-names = "mic-iomux", "spkr-iomux";
 435
 436                         status = "okay";
 437                         pinctrl-0 = <&cdc_pdm_lines_act &ext_sec_tlmm_lines_act &ext_mclk_tlmm_lines_act>;
 438                         pinctrl-1 = <&cdc_pdm_lines_sus &ext_sec_tlmm_lines_sus &ext_mclk_tlmm_lines_sus>;
 439                         pinctrl-names = "default", "sleep";
 440                         qcom,model = "DB410c";
 441                         qcom,audio-routing =
 442                                 "AMIC2", "MIC BIAS Internal2",
 443                                 "AMIC3", "MIC BIAS External1";
 444                         external-dai-link@0 {
 445                                 link-name = "ADV7533";
 446                                 cpu { /* QUAT */
 447                                         sound-dai = <&lpass MI2S_QUATERNARY>;
 448                                 };
 449                                 codec {
 450                                         sound-dai = <&adv_bridge 0>;
 451                                 };
 452                         };
 453
 454                         internal-codec-playback-dai-link@0 {            /* I2S - Internal codec */
 455                                 link-name = "WCD";
 456                                 cpu { /* PRIMARY */
 457                                         sound-dai = <&lpass MI2S_PRIMARY>;
 458                                 };
 459                                 codec {
 460                                         sound-dai = <&lpass_codec 0>, <&wcd_codec 0>;
 461                                 };
 462                         };
 463
 464                         internal-codec-capture-dai-link@0 {             /* I2S - Internal codec */
 465                                 link-name = "WCD-Capture";
 466                                 cpu { /* PRIMARY */
 467                                         sound-dai = <&lpass MI2S_TERTIARY>;
 468                                 };
 469                                 codec {
 470                                         sound-dai = <&lpass_codec 1>, <&wcd_codec 1>;
 471                                 };
 472                         };
 473                 };
 474
 475                 spmi@200f000 {
 476                         pm8916@0 {
 477                                 gpios@c000 {
 478                                         gpio-line-names =
 479                                                 "USR_LED_3_CTRL",
 480                                                 "USR_LED_4_CTRL",
 481                                                 "USB_HUB_RESET_N_PM",
 482                                                 "USB_SW_SEL_PM";
 483                                 };
 484                                 mpps@a000 {
 485                                         gpio-line-names =
 486                                                 "VDD_PX_BIAS",
 487                                                 "WLAN_LED_CTRL",
 488                                                 "BT_LED_CTRL",
 489                                                 "GPIO-F"; /* LS_EXP_GPIO_F, LSEC pin 28 */
 490                                 };
 491                         };
 492                 };
 493
 494                 wcnss@a21b000 {
 495                         status = "okay";
 496                 };
 497         };
 498
 499         usb2513 {
 500                 compatible = "smsc,usb3503";
 501                 reset-gpios = <&pm8916_gpios 3 GPIO_ACTIVE_LOW>;
 502                 initial-mode = <1>;
 503         };
 504
 505         usb_id: usb-id {
 506                 compatible = "linux,extcon-usb-gpio";
 507                 vbus-gpio = <&msmgpio 121 GPIO_ACTIVE_HIGH>;
 508                 pinctrl-names = "default";
 509                 pinctrl-0 = <&usb_id_default>;
 510         };
 511
 512         hdmi-out {
 513                 compatible = "hdmi-connector";
 514                 type = "a";
 515
 516                 port {
 517                         hdmi_con: endpoint {
 518                                 remote-endpoint = <&adv7533_out>;
 519                         };
 520                 };
 521         };
 522
 523         gpio_keys {
 524                 compatible = "gpio-keys";
 525                 #address-cells = <1>;
 526                 #size-cells = <0>;
 527                 autorepeat;
 528
 529                 pinctrl-names = "default";
 530                 pinctrl-0 = <&msm_key_volp_n_default>;
 531
 532                 button@0 {
 533                         label = "Volume Up";
 534                         linux,code = <KEY_VOLUMEUP>;
 535                         gpios = <&msmgpio 107 GPIO_ACTIVE_LOW>;
 536                 };
 537         };
 538 };
 539
 540 &spmi_bus {
 541         pm8916_0: pm8916@0 {
 542                 pon@800 {
 543                         resin {
 544                                 compatible = "qcom,pm8941-resin";
 545                                 interrupts = <0x0 0x8 1 IRQ_TYPE_EDGE_BOTH>;
 546                                 debounce = <15625>;
 547                                 bias-pull-up;
 548                                 linux,code = <KEY_VOLUMEDOWN>;
 549                         };
 550                 };
 551         };
 552 };
 553
 554 &wcd_codec {
 555         status = "okay";
 556         clocks = <&gcc GCC_CODEC_DIGCODEC_CLK>;
 557         clock-names = "mclk";
 558         qcom,mbhc-vthreshold-low = <75 150 237 450 500>;
 559         qcom,mbhc-vthreshold-high = <75 150 237 450 500>;
 560 };
 561
 562 &smd_rpm_regulators {
 563         vdd_l1_l2_l3-supply = <&pm8916_s3>;
 564         vdd_l5-supply = <&pm8916_s3>;
 565         vdd_l4_l5_l6-supply = <&pm8916_s4>;
 566         vdd_l7-supply = <&pm8916_s4>;
 567
 568         s1 {
 569                 regulator-min-microvolt = <375000>;
 570                 regulator-max-microvolt = <1562000>;
 571         };
 572
 573         s3 {
 574                 regulator-min-microvolt = <375000>;
 575                 regulator-max-microvolt = <1562000>;
 576         };
 577
 578         s4 {
 579                 regulator-min-microvolt = <1800000>;
 580                 regulator-max-microvolt = <1800000>;
 581
 582                 regulator-always-on;
 583                 regulator-boot-on;
 584         };
 585
 586         l1 {
 587                 regulator-min-microvolt = <375000>;
 588                 regulator-max-microvolt = <1525000>;
 589         };
 590
 591         l2 {
 592                 regulator-min-microvolt = <1200000>;
 593                 regulator-max-microvolt = <1200000>;
 594         };
 595
 596         l3 {
 597                 regulator-min-microvolt = <375000>;
 598                 regulator-max-microvolt = <1525000>;
 599         };
 600
 601         l4 {
 602                 regulator-min-microvolt = <1750000>;
 603                 regulator-max-microvolt = <3337000>;
 604         };
 605
 606         l5 {
 607                 regulator-min-microvolt = <1750000>;
 608                 regulator-max-microvolt = <3337000>;
 609         };
 610
 611         l6 {
 612                 regulator-min-microvolt = <1800000>;
 613                 regulator-max-microvolt = <1800000>;
 614         };
 615
 616         l7 {
 617                 regulator-min-microvolt = <1750000>;
 618                 regulator-max-microvolt = <3337000>;
 619         };
 620
 621         l8 {
 622                 regulator-min-microvolt = <1750000>;
 623                 regulator-max-microvolt = <3337000>;
 624         };
 625
 626         l9 {
 627                 regulator-min-microvolt = <1750000>;
 628                 regulator-max-microvolt = <3337000>;
 629         };
 630
 631         l10 {
 632                 regulator-min-microvolt = <1750000>;
 633                 regulator-max-microvolt = <3337000>;
 634         };
 635
 636         l11 {
 637                 regulator-min-microvolt = <1750000>;
 638                 regulator-max-microvolt = <3337000>;
 639                 regulator-allow-set-load;
 640                 regulator-system-load = <200000>;
 641         };
 642
 643         l12 {
 644                 regulator-min-microvolt = <1750000>;
 645                 regulator-max-microvolt = <3337000>;
 646         };
 647
 648         l13 {
 649                 regulator-min-microvolt = <1750000>;
 650                 regulator-max-microvolt = <3337000>;
 651         };
 652
 653         l14 {
 654                 regulator-min-microvolt = <1750000>;
 655                 regulator-max-microvolt = <3337000>;
 656         };
 657
 658         /**
 659          * 1.8v required on LS expansion
 660          * for mezzanine boards
 661          */
 662         l15 {
 663                 regulator-min-microvolt = <1750000>;
 664                 regulator-max-microvolt = <3337000>;
 665                 regulator-always-on;
 666         };
 667
 668         l16 {
 669                 regulator-min-microvolt = <1750000>;
 670                 regulator-max-microvolt = <3337000>;
 671         };
 672
 673         l17 {
 674                 regulator-min-microvolt = <3300000>;
 675                 regulator-max-microvolt = <3300000>;
 676         };
 677
 678         l18 {
 679                 regulator-min-microvolt = <1750000>;
 680                 regulator-max-microvolt = <3337000>;
 681         };
 682 };