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This provides structure for the regulator device hierarchy and a driver for GPIO-controlled regulators along with its binding. Signed-off-by: Peter A. Bigot <pab@pabigot.com>
51 lines
1.3 KiB
YAML
51 lines
1.3 KiB
YAML
# Copyright 2019-2020 Peter Bigot Consulting, LLC
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# SPDX-License-Identifier: Apache-2.0
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description: GPIO-controlled regulators
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include: regulator.yaml
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# NOTE: The driver supports "regulator-fixed-sync" as a specializing
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# variant when it's known that the GPIO state change operations are
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# isr-ok and not sleep, and both startup and off-on delays are zero.
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# This bypasses the asynchronous onoff manager which optimizes both time
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# and memory use.
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#
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# To enable this use both:
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# compatible = "regulator-fixed-sync", "regulator-fixed";
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#
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compatible: "regulator-fixed"
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properties:
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label:
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required: true
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regulator-name:
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type: string
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required: true
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description: Descriptive name for regulator outputs.
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enable-gpios:
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type: phandle-array
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required: true
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description: |
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GPIO to use to enable/disable the regulator.
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Unlike the gpio property in the Linux bindings this array must
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provide the GPIO polarity and open-drain status in the phandle
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selector. The Linux enable-active-high and gpio-open-drain
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properties are not valid for Zephyr devicetree files.
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startup-delay-us:
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type: int
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required: false
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default: 0
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description: Startup time, in microseconds
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off-on-delay-us:
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type: int
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required: false
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default: 0
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description: Off delay time, in microseconds
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