03edccceae
The MPL3115A2 I2C pressure sensor driver does not take a VCC regulator. The bindings are so far trivial, but the datasheet does not have a VCC pin. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
57 lines
1.4 KiB
Text
57 lines
1.4 KiB
Text
// SPDX-License-Identifier: GPL-2.0 or MIT
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//
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// Device Tree Source for General Electric B1x5v2
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// patient monitor series
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//
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// Copyright 2018-2021 General Electric Company
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// Copyright 2018-2021 Collabora
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#include <dt-bindings/input/input.h>
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#include "imx6dl-b1x5pv2.dtsi"
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/ {
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reg_3v3_acm: regulator-3v3-acm {
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compatible = "regulator-fixed";
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regulator-name = "3V3 ACM";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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vin-supply = <®_3v3>;
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};
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};
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&i2c1 {
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tca6416: gpio-controller@21 {
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compatible = "ti,tca6416";
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reg = <0x21>;
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gpio-controller;
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#gpio-cells = <2>;
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reset-gpios = <&tca6424a 9 GPIO_ACTIVE_LOW>;
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vcc-supply = <®_3v3_acm>;
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gpio-line-names = "ACM1_EN", "ACM1_CL0", "ACM1_CL1", "ACM1_CL2",
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"", "ACM2_EN", "ACM2_CL0", "ACM2_CL1",
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"ACM2_CL2", "", "", "",
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"", "", "", "";
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/*
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* The interrupt pin is connected to &tca6424a pin 1, but the Linux
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* TCA6424 driver cannot handle low type interrupts at the moment
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* (and support cannot be added without some ugly hacks). Since this
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* controller does not have any input type GPIOs, just pretend
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* that the interrupt pin is unconnected.
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*/
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};
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};
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&i2c5 {
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mpl3115a2: pressure-sensor@60 {
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compatible = "fsl,mpl3115";
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reg = <0x60>;
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/*
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* The MPL3115 interrupts are connected to pin 22 and 23
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* of &tca6424a, but the binding does not yet support
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* interrupts.
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*/
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};
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};
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