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     1 // SPDX-License-Identifier: GPL-2.0 or MIT
    2 //
    3 // Device Tree Source for General Electric B1x5v2
    4 // patient monitor series
    5 //
    6 // Copyright 2018-2021 General Electric Company
    7 // Copyright 2018-2021 Collabora
    8 
    9 #include <dt-bindings/input/input.h>
   10 #include "imx6dl-b1x5pv2.dtsi"
   11 
   12 / {
   13         reg_3v3_acm: regulator-3v3-acm {
   14                 compatible = "regulator-fixed";
   15                 regulator-name = "3V3 ACM";
   16                 regulator-min-microvolt = <3300000>;
   17                 regulator-max-microvolt = <3300000>;
   18                 regulator-always-on;
   19                 vin-supply = <®_3v3>;
   20         };
   21 };
   22 
   23 &i2c1 {
   24         tca6416: gpio-controller@21 {
   25                 compatible = "ti,tca6416";
   26                 reg = <0x21>;
   27                 gpio-controller;
   28                 #gpio-cells = <2>;
   29                 reset-gpios = <&tca6424a 9 GPIO_ACTIVE_LOW>;
   30                 vcc-supply = <®_3v3_acm>;
   31                 gpio-line-names = "ACM1_EN", "ACM1_CL0", "ACM1_CL1", "ACM1_CL2",
   32                                   "", "ACM2_EN", "ACM2_CL0", "ACM2_CL1",
   33                                   "ACM2_CL2", "", "", "",
   34                                   "", "", "", "";
   35 
   36                 /*
   37                  * The interrupt pin is connected to &tca6424a pin 1, but the Linux
   38                  * TCA6424 driver cannot handle low type interrupts at the moment
   39                  * (and support cannot be added without some ugly hacks). Since this
   40                  * controller does not have any input type GPIOs, just pretend
   41                  * that the interrupt pin is unconnected.
   42                  */
   43         };
   44 };
   45 
   46 &i2c5 {
   47         mpl3115a2: pressure-sensor@60 {
   48                 compatible = "fsl,mpl3115";
   49                 reg = <0x60>;
   50 
   51                 /*
   52                  * The MPL3115 interrupts are connected to pin 22 and 23
   53                  * of &tca6424a, but the binding does not yet support
   54                  * interrupts.
   55                  */
   56         };
   57 };
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