44 lines
1012 B
YAML
44 lines
1012 B
YAML
# Copyright (c) 2018, Aapo Vienamo
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# Copyright (c) 2021, Laird Connectivity
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# SPDX-License-Identifier: Apache-2.0
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description: TCA9538 GPIO node
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compatible: "ti,tca9538"
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include: [i2c-device.yaml, gpio-controller.yaml]
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properties:
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"#gpio-cells":
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const: 2
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ngpios:
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required: true
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const: 8
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description: |
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Number of GPIOs available on port expander.
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nint-gpios:
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type: phandle-array
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description: |
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Connection for the NINT signal. This signal is active-low when
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produced by tca9538 GPIO node.
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input-latch:
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type: int
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description: |
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Input latch register bit is 0 by default and the input pin state
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is not latched. When input latch register bit is 1 and the input
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pin state is latched.
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interrupt-mask:
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type: int
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description: |
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Interrupt mask register is set to logic 1 by default without
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enabling interrupts. Setting corresponding mask bits to logic
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0 to enable the interrupts.
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gpio-cells:
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- pin
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- flags
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