arch/arm/boot/dts/imx6dl-b1x5v2.dtsi

   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 = <&reg_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 = <&reg_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                 vcc-supply = <&reg_3v3_acm>;
  51
  52                 /*
  53                  * The MPL3115 interrupts are connected to pin 22 and 23
  54                  * of &tca6424a, but the binding does not yet support
  55                  * interrupts.
  56                  */
  57         };
  58 };