1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Copyright (c) 2015, The Linux Foundation. All rights reserved. 4 */ 5 6/dts-v1/; 7 8#include "msm8916-pm8916.dtsi" 9#include <dt-bindings/gpio/gpio.h> 10#include <dt-bindings/input/input.h> 11#include <dt-bindings/leds/common.h> 12#include <dt-bindings/pinctrl/qcom,pmic-gpio.h> 13#include <dt-bindings/pinctrl/qcom,pmic-mpp.h> 14#include <dt-bindings/sound/apq8016-lpass.h> 15 16/ { 17 model = "Qualcomm Technologies, Inc. APQ 8016 SBC"; 18 compatible = "qcom,apq8016-sbc", "qcom,apq8016"; 19 20 aliases { 21 mmc0 = &sdhc_1; /* eMMC */ 22 mmc1 = &sdhc_2; /* SD card */ 23 serial0 = &blsp_uart2; 24 serial1 = &blsp_uart1; 25 usid0 = &pm8916_0; 26 i2c0 = &blsp_i2c2; 27 i2c1 = &blsp_i2c6; 28 i2c3 = &blsp_i2c4; 29 spi0 = &blsp_spi5; 30 spi1 = &blsp_spi3; 31 }; 32 33 chosen { 34 stdout-path = "serial0"; 35 }; 36 37 reserved-memory { 38 ramoops@bff00000 { 39 compatible = "ramoops"; 40 reg = <0x0 0xbff00000 0x0 0x100000>; 41 42 record-size = <0x20000>; 43 console-size = <0x20000>; 44 ftrace-size = <0x20000>; 45 }; 46 }; 47 48 usb2513 { 49 compatible = "smsc,usb3503"; 50 reset-gpios = <&pm8916_gpios 3 GPIO_ACTIVE_LOW>; 51 initial-mode = <1>; 52 }; 53 54 usb_id: usb-id { 55 compatible = "linux,extcon-usb-gpio"; 56 id-gpios = <&tlmm 121 GPIO_ACTIVE_HIGH>; 57 pinctrl-names = "default"; 58 pinctrl-0 = <&usb_id_default>; 59 }; 60 61 hdmi-out { 62 compatible = "hdmi-connector"; 63 type = "a"; 64 65 port { 66 hdmi_con: endpoint { 67 remote-endpoint = <&adv7533_out>; 68 }; 69 }; 70 }; 71 72 gpio-keys { 73 compatible = "gpio-keys"; 74 autorepeat; 75 76 pinctrl-names = "default"; 77 pinctrl-0 = <&msm_key_volp_n_default>; 78 79 button { 80 label = "Volume Up"; 81 linux,code = <KEY_VOLUMEUP>; 82 gpios = <&tlmm 107 GPIO_ACTIVE_LOW>; 83 }; 84 }; 85 86 leds { 87 pinctrl-names = "default"; 88 pinctrl-0 = <&tlmm_leds>, 89 <&pm8916_gpios_leds>, 90 <&pm8916_mpps_leds>; 91 92 compatible = "gpio-leds"; 93 94 led-1 { 95 label = "apq8016-sbc:green:user1"; 96 function = LED_FUNCTION_HEARTBEAT; 97 color = <LED_COLOR_ID_GREEN>; 98 gpios = <&tlmm 21 GPIO_ACTIVE_HIGH>; 99 linux,default-trigger = "heartbeat"; 100 default-state = "off"; 101 }; 102 103 led-2 { 104 label = "apq8016-sbc:green:user2"; 105 function = LED_FUNCTION_DISK_ACTIVITY; 106 color = <LED_COLOR_ID_GREEN>; 107 gpios = <&tlmm 120 GPIO_ACTIVE_HIGH>; 108 linux,default-trigger = "mmc0"; 109 default-state = "off"; 110 }; 111 112 led-3 { 113 label = "apq8016-sbc:green:user3"; 114 function = LED_FUNCTION_DISK_ACTIVITY; 115 color = <LED_COLOR_ID_GREEN>; 116 gpios = <&pm8916_gpios 1 GPIO_ACTIVE_HIGH>; 117 linux,default-trigger = "mmc1"; 118 default-state = "off"; 119 }; 120 121 led-4 { 122 label = "apq8016-sbc:green:user4"; 123 color = <LED_COLOR_ID_GREEN>; 124 gpios = <&pm8916_gpios 2 GPIO_ACTIVE_HIGH>; 125 linux,default-trigger = "none"; 126 panic-indicator; 127 default-state = "off"; 128 }; 129 130 led-5 { 131 label = "apq8016-sbc:yellow:wlan"; 132 function = LED_FUNCTION_WLAN; 133 color = <LED_COLOR_ID_YELLOW>; 134 gpios = <&pm8916_mpps 2 GPIO_ACTIVE_HIGH>; 135 linux,default-trigger = "phy0tx"; 136 default-state = "off"; 137 }; 138 139 led-6 { 140 label = "apq8016-sbc:blue:bt"; 141 function = LED_FUNCTION_BLUETOOTH; 142 color = <LED_COLOR_ID_BLUE>; 143 gpios = <&pm8916_mpps 3 GPIO_ACTIVE_HIGH>; 144 linux,default-trigger = "bluetooth-power"; 145 default-state = "off"; 146 }; 147 }; 148}; 149 150&blsp_i2c2 { 151 /* On Low speed expansion: LS-I2C0 */ 152 status = "okay"; 153}; 154 155&blsp_i2c4 { 156 /* On High speed expansion: HS-I2C2 */ 157 status = "okay"; 158 159 adv_bridge: bridge@39 { 160 status = "okay"; 161 162 compatible = "adi,adv7533"; 163 reg = <0x39>; 164 165 interrupt-parent = <&tlmm>; 166 interrupts = <31 IRQ_TYPE_EDGE_FALLING>; 167 168 adi,dsi-lanes = <4>; 169 clocks = <&rpmcc RPM_SMD_BB_CLK2>; 170 clock-names = "cec"; 171 172 pd-gpios = <&tlmm 32 GPIO_ACTIVE_HIGH>; 173 174 avdd-supply = <&pm8916_l6>; 175 a2vdd-supply = <&pm8916_l6>; 176 dvdd-supply = <&pm8916_l6>; 177 pvdd-supply = <&pm8916_l6>; 178 v1p2-supply = <&pm8916_l6>; 179 v3p3-supply = <&pm8916_l17>; 180 181 pinctrl-names = "default","sleep"; 182 pinctrl-0 = <&adv7533_int_active &adv7533_switch_active>; 183 pinctrl-1 = <&adv7533_int_suspend &adv7533_switch_suspend>; 184 #sound-dai-cells = <1>; 185 186 ports { 187 #address-cells = <1>; 188 #size-cells = <0>; 189 190 port@0 { 191 reg = <0>; 192 adv7533_in: endpoint { 193 remote-endpoint = <&mdss_dsi0_out>; 194 }; 195 }; 196 197 port@1 { 198 reg = <1>; 199 adv7533_out: endpoint { 200 remote-endpoint = <&hdmi_con>; 201 }; 202 }; 203 }; 204 }; 205}; 206 207&blsp_i2c6 { 208 /* On Low speed expansion: LS-I2C1 */ 209 status = "okay"; 210}; 211 212&blsp_spi3 { 213 /* On High speed expansion: HS-SPI1 */ 214 status = "okay"; 215}; 216 217&blsp_spi5 { 218 /* On Low speed expansion: LS-SPI0 */ 219 status = "okay"; 220}; 221 222&blsp_uart1 { 223 status = "okay"; 224 label = "LS-UART0"; 225 pinctrl-0 = <&blsp_uart1_default>; 226 pinctrl-1 = <&blsp_uart1_sleep>; 227 pinctrl-names = "default", "sleep"; 228}; 229 230&blsp_uart2 { 231 status = "okay"; 232 label = "LS-UART1"; 233 pinctrl-0 = <&blsp_uart2_console_default>; 234 pinctrl-1 = <&blsp_uart2_console_sleep>; 235 pinctrl-names = "default", "sleep"; 236}; 237 238&camss { 239 status = "okay"; 240}; 241 242&gpu { 243 status = "okay"; 244}; 245 246&lpass { 247 status = "okay"; 248}; 249 250&lpass_codec { 251 status = "okay"; 252}; 253 254&mba_mem { 255 status = "okay"; 256}; 257 258&mdss { 259 status = "okay"; 260}; 261 262&mdss_dsi0_out { 263 data-lanes = <0 1 2 3>; 264 remote-endpoint = <&adv7533_in>; 265}; 266 267&mpss { 268 status = "okay"; 269 270 firmware-name = "qcom/apq8016/mba.mbn", "qcom/apq8016/modem.mbn"; 271}; 272 273&mpss_mem { 274 status = "okay"; 275 reg = <0x0 0x86800000 0x0 0x2b00000>; 276}; 277 278&pm8916_codec { 279 status = "okay"; 280 qcom,mbhc-vthreshold-low = <75 150 237 450 500>; 281 qcom,mbhc-vthreshold-high = <75 150 237 450 500>; 282}; 283 284&pm8916_resin { 285 status = "okay"; 286 linux,code = <KEY_VOLUMEDOWN>; 287}; 288 289&pm8916_rpm_regulators { 290 /* 291 * The 96Boards specification expects a 1.8V power rail on the low-speed 292 * expansion connector that is able to provide at least 0.18W / 100 mA. 293 * L15/L16 are connected in parallel to provide 55 mA each. A minimum load 294 * must be specified to ensure the regulators are not put in LPM where they 295 * would only provide 5 mA. 296 */ 297 pm8916_l15: l15 { 298 regulator-min-microvolt = <1800000>; 299 regulator-max-microvolt = <1800000>; 300 regulator-system-load = <50000>; 301 regulator-allow-set-load; 302 regulator-always-on; 303 }; 304 pm8916_l16: l16 { 305 regulator-min-microvolt = <1800000>; 306 regulator-max-microvolt = <1800000>; 307 regulator-system-load = <50000>; 308 regulator-allow-set-load; 309 regulator-always-on; 310 }; 311 312 pm8916_l17: l17 { 313 regulator-min-microvolt = <3300000>; 314 regulator-max-microvolt = <3300000>; 315 }; 316}; 317 318&sdhc_1 { 319 status = "okay"; 320}; 321 322&sdhc_2 { 323 status = "okay"; 324 325 pinctrl-names = "default", "sleep"; 326 pinctrl-0 = <&sdc2_default &sdc2_cd_default>; 327 pinctrl-1 = <&sdc2_sleep &sdc2_cd_default>; 328 329 cd-gpios = <&tlmm 38 GPIO_ACTIVE_LOW>; 330}; 331 332&sound { 333 status = "okay"; 334 335 pinctrl-0 = <&cdc_pdm_default &sec_mi2s_default>; 336 pinctrl-1 = <&cdc_pdm_sleep &sec_mi2s_sleep>; 337 pinctrl-names = "default", "sleep"; 338 model = "DB410c"; 339 audio-routing = 340 "AMIC2", "MIC BIAS Internal2", 341 "AMIC3", "MIC BIAS External1"; 342 343 quaternary-dai-link { 344 link-name = "ADV7533"; 345 cpu { 346 sound-dai = <&lpass MI2S_QUATERNARY>; 347 }; 348 codec { 349 sound-dai = <&adv_bridge 0>; 350 }; 351 }; 352 353 primary-dai-link { 354 link-name = "WCD"; 355 cpu { 356 sound-dai = <&lpass MI2S_PRIMARY>; 357 }; 358 codec { 359 sound-dai = <&lpass_codec 0>, <&pm8916_codec 0>; 360 }; 361 }; 362 363 tertiary-dai-link { 364 link-name = "WCD-Capture"; 365 cpu { 366 sound-dai = <&lpass MI2S_TERTIARY>; 367 }; 368 codec { 369 sound-dai = <&lpass_codec 1>, <&pm8916_codec 1>; 370 }; 371 }; 372}; 373 374&usb { 375 status = "okay"; 376 extcon = <&usb_id>, <&usb_id>; 377 378 pinctrl-names = "default", "device"; 379 pinctrl-0 = <&usb_sw_sel_pm &usb_hub_reset_pm>; 380 pinctrl-1 = <&usb_sw_sel_pm_device &usb_hub_reset_pm_device>; 381}; 382 383&usb_hs_phy { 384 extcon = <&usb_id>; 385}; 386 387&venus { 388 status = "okay"; 389}; 390 391&venus_mem { 392 status = "okay"; 393}; 394 395&wcnss { 396 status = "okay"; 397 firmware-name = "qcom/apq8016/wcnss.mbn"; 398}; 399 400&wcnss_ctrl { 401 firmware-name = "qcom/apq8016/WCNSS_qcom_wlan_nv_sbc.bin"; 402}; 403 404&wcnss_iris { 405 compatible = "qcom,wcn3620"; 406}; 407 408&wcnss_mem { 409 status = "okay"; 410}; 411 412/* Enable CoreSight */ 413&cti0 { status = "okay"; }; 414&cti1 { status = "okay"; }; 415&cti12 { status = "okay"; }; 416&cti13 { status = "okay"; }; 417&cti14 { status = "okay"; }; 418&cti15 { status = "okay"; }; 419&debug0 { status = "okay"; }; 420&debug1 { status = "okay"; }; 421&debug2 { status = "okay"; }; 422&debug3 { status = "okay"; }; 423&etf { status = "okay"; }; 424&etm0 { status = "okay"; }; 425&etm1 { status = "okay"; }; 426&etm2 { status = "okay"; }; 427&etm3 { status = "okay"; }; 428&etr { status = "okay"; }; 429&funnel0 { status = "okay"; }; 430&funnel1 { status = "okay"; }; 431&replicator { status = "okay"; }; 432&stm { status = "okay"; }; 433&tpiu { status = "okay"; }; 434 435/* 436 * 2mA drive strength is not enough when connecting multiple 437 * I2C devices with different pull up resistors. 438 */ 439&blsp_i2c2_default { 440 drive-strength = <16>; 441}; 442 443&blsp_i2c4_default { 444 drive-strength = <16>; 445}; 446 447&blsp_i2c6_default { 448 drive-strength = <16>; 449}; 450 451/* 452 * GPIO name legend: proper name = the GPIO line is used as GPIO 453 * NC = not connected (pin out but not routed from the chip to 454 * anything the board) 455 * "[PER]" = pin is muxed for [peripheral] (not GPIO) 456 * LSEC = Low Speed External Connector 457 * HSEC = High Speed External Connector 458 * 459 * Line names are taken from the schematic "DragonBoard410c" 460 * dated monday, august 31, 2015. Page 5 in particular. 461 * 462 * For the lines routed to the external connectors the 463 * lines are named after the 96Boards CE Specification 1.0, 464 * Appendix "Expansion Connector Signal Description". 465 * 466 * When the 96Board naming of a line and the schematic name of 467 * the same line are in conflict, the 96Board specification 468 * takes precedence, which means that the external UART on the 469 * LSEC is named UART0 while the schematic and SoC names this 470 * UART3. This is only for the informational lines i.e. "[FOO]", 471 * the GPIO named lines "GPIO-A" thru "GPIO-L" are the only 472 * ones actually used for GPIO. 473 */ 474 475&tlmm { 476 gpio-line-names = 477 "[UART0_TX]", /* GPIO_0, LSEC pin 5 */ 478 "[UART0_RX]", /* GPIO_1, LSEC pin 7 */ 479 "[UART0_CTS_N]", /* GPIO_2, LSEC pin 3 */ 480 "[UART0_RTS_N]", /* GPIO_3, LSEC pin 9 */ 481 "[UART1_TX]", /* GPIO_4, LSEC pin 11 */ 482 "[UART1_RX]", /* GPIO_5, LSEC pin 13 */ 483 "[I2C0_SDA]", /* GPIO_8, LSEC pin 17 */ 484 "[I2C0_SCL]", /* GPIO_7, LSEC pin 15 */ 485 "[SPI1_DOUT]", /* SPI1_MOSI, HSEC pin 1 */ 486 "[SPI1_DIN]", /* SPI1_MISO, HSEC pin 11 */ 487 "[SPI1_CS]", /* SPI1_CS_N, HSEC pin 7 */ 488 "[SPI1_SCLK]", /* SPI1_CLK, HSEC pin 9 */ 489 "GPIO-B", /* LS_EXP_GPIO_B, LSEC pin 24 */ 490 "GPIO-C", /* LS_EXP_GPIO_C, LSEC pin 25 */ 491 "[I2C3_SDA]", /* HSEC pin 38 */ 492 "[I2C3_SCL]", /* HSEC pin 36 */ 493 "[SPI0_MOSI]", /* LSEC pin 14 */ 494 "[SPI0_MISO]", /* LSEC pin 10 */ 495 "[SPI0_CS_N]", /* LSEC pin 12 */ 496 "[SPI0_CLK]", /* LSEC pin 8 */ 497 "HDMI_HPD_N", /* GPIO 20 */ 498 "USR_LED_1_CTRL", 499 "[I2C1_SDA]", /* GPIO_22, LSEC pin 21 */ 500 "[I2C1_SCL]", /* GPIO_23, LSEC pin 19 */ 501 "GPIO-G", /* LS_EXP_GPIO_G, LSEC pin 29 */ 502 "GPIO-H", /* LS_EXP_GPIO_H, LSEC pin 30 */ 503 "[CSI0_MCLK]", /* HSEC pin 15 */ 504 "[CSI1_MCLK]", /* HSEC pin 17 */ 505 "GPIO-K", /* LS_EXP_GPIO_K, LSEC pin 33 */ 506 "[I2C2_SDA]", /* HSEC pin 34 */ 507 "[I2C2_SCL]", /* HSEC pin 32 */ 508 "DSI2HDMI_INT_N", 509 "DSI_SW_SEL_APQ", 510 "GPIO-L", /* LS_EXP_GPIO_L, LSEC pin 34 */ 511 "GPIO-J", /* LS_EXP_GPIO_J, LSEC pin 32 */ 512 "GPIO-I", /* LS_EXP_GPIO_I, LSEC pin 31 */ 513 "GPIO-A", /* LS_EXP_GPIO_A, LSEC pin 23 */ 514 "FORCED_USB_BOOT", 515 "SD_CARD_DET_N", 516 "[WCSS_BT_SSBI]", 517 "[WCSS_WLAN_DATA_2]", /* GPIO 40 */ 518 "[WCSS_WLAN_DATA_1]", 519 "[WCSS_WLAN_DATA_0]", 520 "[WCSS_WLAN_SET]", 521 "[WCSS_WLAN_CLK]", 522 "[WCSS_FM_SSBI]", 523 "[WCSS_FM_SDI]", 524 "[WCSS_BT_DAT_CTL]", 525 "[WCSS_BT_DAT_STB]", 526 "NC", 527 "NC", /* GPIO 50 */ 528 "NC", 529 "NC", 530 "NC", 531 "NC", 532 "NC", 533 "NC", 534 "NC", 535 "NC", 536 "NC", 537 "NC", /* GPIO 60 */ 538 "NC", 539 "NC", 540 "[CDC_PDM0_CLK]", 541 "[CDC_PDM0_SYNC]", 542 "[CDC_PDM0_TX0]", 543 "[CDC_PDM0_RX0]", 544 "[CDC_PDM0_RX1]", 545 "[CDC_PDM0_RX2]", 546 "GPIO-D", /* LS_EXP_GPIO_D, LSEC pin 26 */ 547 "NC", /* GPIO 70 */ 548 "NC", 549 "NC", 550 "NC", 551 "NC", /* GPIO 74 */ 552 "NC", 553 "NC", 554 "NC", 555 "NC", 556 "NC", 557 "BOOT_CONFIG_0", /* GPIO 80 */ 558 "BOOT_CONFIG_1", 559 "BOOT_CONFIG_2", 560 "BOOT_CONFIG_3", 561 "NC", 562 "NC", 563 "BOOT_CONFIG_5", 564 "NC", 565 "NC", 566 "NC", 567 "NC", /* GPIO 90 */ 568 "NC", 569 "NC", 570 "NC", 571 "NC", 572 "NC", 573 "NC", 574 "NC", 575 "NC", 576 "NC", 577 "NC", /* GPIO 100 */ 578 "NC", 579 "NC", 580 "NC", 581 "SSBI_GPS", 582 "NC", 583 "NC", 584 "KEY_VOLP_N", 585 "NC", 586 "NC", 587 "[LS_EXP_MI2S_WS]", /* GPIO 110 */ 588 "NC", 589 "NC", 590 "[LS_EXP_MI2S_SCK]", 591 "[LS_EXP_MI2S_DATA0]", 592 "GPIO-E", /* LS_EXP_GPIO_E, LSEC pin 27 */ 593 "NC", 594 "[DSI2HDMI_MI2S_WS]", 595 "[DSI2HDMI_MI2S_SCK]", 596 "[DSI2HDMI_MI2S_DATA0]", 597 "USR_LED_2_CTRL", /* GPIO 120 */ 598 "SB_HS_ID"; 599 600 blsp_uart1_default: blsp-uart1-default-state { 601 /* TX, RX, CTS_N, RTS_N */ 602 pins = "gpio0", "gpio1", "gpio2", "gpio3"; 603 function = "blsp_uart1"; 604 drive-strength = <16>; 605 bias-disable; 606 }; 607 608 blsp_uart1_sleep: blsp-uart1-sleep-state { 609 pins = "gpio0", "gpio1", "gpio2", "gpio3"; 610 function = "gpio"; 611 drive-strength = <2>; 612 bias-pull-down; 613 }; 614 615 sdc2_cd_default: sdc2-cd-default-state { 616 pins = "gpio38"; 617 function = "gpio"; 618 drive-strength = <2>; 619 bias-disable; 620 }; 621 622 tlmm_leds: tlmm-leds-state { 623 pins = "gpio21", "gpio120"; 624 function = "gpio"; 625 626 output-low; 627 }; 628 629 usb_id_default: usb-id-default-state { 630 pins = "gpio121"; 631 function = "gpio"; 632 633 drive-strength = <8>; 634 bias-pull-up; 635 }; 636 637 adv7533_int_active: adv533-int-active-state { 638 pins = "gpio31"; 639 function = "gpio"; 640 641 drive-strength = <16>; 642 bias-disable; 643 }; 644 645 adv7533_int_suspend: adv7533-int-suspend-state { 646 pins = "gpio31"; 647 function = "gpio"; 648 649 drive-strength = <2>; 650 bias-disable; 651 }; 652 653 adv7533_switch_active: adv7533-switch-active-state { 654 pins = "gpio32"; 655 function = "gpio"; 656 657 drive-strength = <16>; 658 bias-disable; 659 }; 660 661 adv7533_switch_suspend: adv7533-switch-suspend-state { 662 pins = "gpio32"; 663 function = "gpio"; 664 665 drive-strength = <2>; 666 bias-disable; 667 }; 668 669 msm_key_volp_n_default: msm-key-volp-n-default-state { 670 pins = "gpio107"; 671 function = "gpio"; 672 673 drive-strength = <8>; 674 bias-pull-up; 675 }; 676}; 677 678&pm8916_gpios { 679 gpio-line-names = 680 "USR_LED_3_CTRL", 681 "USR_LED_4_CTRL", 682 "USB_HUB_RESET_N_PM", 683 "USB_SW_SEL_PM"; 684 685 usb_hub_reset_pm: usb-hub-reset-pm-state { 686 pins = "gpio3"; 687 function = PMIC_GPIO_FUNC_NORMAL; 688 689 input-disable; 690 output-high; 691 }; 692 693 usb_hub_reset_pm_device: usb-hub-reset-pm-device-state { 694 pins = "gpio3"; 695 function = PMIC_GPIO_FUNC_NORMAL; 696 697 output-low; 698 }; 699 700 usb_sw_sel_pm: usb-sw-sel-pm-state { 701 pins = "gpio4"; 702 function = PMIC_GPIO_FUNC_NORMAL; 703 704 power-source = <PM8916_GPIO_VPH>; 705 input-disable; 706 output-high; 707 }; 708 709 usb_sw_sel_pm_device: usb-sw-sel-pm-device-state { 710 pins = "gpio4"; 711 function = PMIC_GPIO_FUNC_NORMAL; 712 713 power-source = <PM8916_GPIO_VPH>; 714 input-disable; 715 output-low; 716 }; 717 718 pm8916_gpios_leds: pm8916-gpios-leds-state { 719 pins = "gpio1", "gpio2"; 720 function = PMIC_GPIO_FUNC_NORMAL; 721 722 output-low; 723 }; 724}; 725 726&pm8916_mpps { 727 gpio-line-names = 728 "VDD_PX_BIAS", 729 "WLAN_LED_CTRL", 730 "BT_LED_CTRL", 731 "GPIO-F"; /* LS_EXP_GPIO_F, LSEC pin 28 */ 732 733 pinctrl-names = "default"; 734 pinctrl-0 = <&ls_exp_gpio_f>; 735 736 ls_exp_gpio_f: pm8916-mpp4-state { 737 pins = "mpp4"; 738 function = "digital"; 739 740 output-low; 741 power-source = <PM8916_MPP_L5>; /* 1.8V */ 742 }; 743 744 pm8916_mpps_leds: pm8916-mpps-state { 745 pins = "mpp2", "mpp3"; 746 function = "digital"; 747 748 output-low; 749 }; 750}; 751