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