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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