e850ced155
enable the interrupt functionality for sx1509b gpio expander, when the CONFIG_GPIO_SX1509B_INTERRUPT config is enabled. The gpio pin used for interrupt should be configured in the device tree sx1509b node before enabling the interrupt configuration. Signed-off-by: Viraaj Somayajula <sviraaj@zedblox.com> Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
47 lines
919 B
YAML
47 lines
919 B
YAML
# Copyright (c) 2018, Aapo Vienamo
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# SPDX-License-Identifier: Apache-2.0
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description: SX1509B GPIO node
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compatible: "semtech,sx1509b"
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include: [i2c-device.yaml, gpio-controller.yaml]
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properties:
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label:
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required: true
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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: 16
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nint-gpios:
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type: phandle-array
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required: false
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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 sx1509b GPIO node.
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init-out-low:
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type: int
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required: false
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default: 0
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description: |
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Bit mask identifying pins that should be initialized as outputs
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driven low.
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init-out-high:
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type: int
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required: false
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default: 0
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description: |
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Bit mask identifying pins that should be initialized as outputs
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driven high.
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gpio-cells:
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- pin
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- flags
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