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>
41 lines
945 B
Plaintext
41 lines
945 B
Plaintext
# SX1509B GPIO configuration options
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# Copyright (c) 2018 Aapo Vienamo
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# SPDX-License-Identifier: Apache-2.0
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# Workaround for not being able to have commas in macro arguments
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DT_COMPAT_SEMTECH_SX1509B := semtech,sx1509b
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menuconfig GPIO_SX1509B
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bool "SX1509B I2C GPIO chip"
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default $(dt_compat_enabled,$(DT_COMPAT_SEMTECH_SX1509B))
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depends on I2C
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help
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Enable driver for SX1509B I2C GPIO chip.
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if GPIO_SX1509B
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config GPIO_SX1509B_INIT_PRIORITY
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int "Init priority"
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default 70
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help
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Device driver initialization priority.
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config GPIO_SX1509B_INTERRUPT
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bool "Interrupt enable"
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default n
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help
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Enable support for interrupts on GPIO pins.
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config GPIO_SX1509B_DEBOUNCE_TIME
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int "Debounce time interval"
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range 0 7
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default 0
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help
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Debounce time interval when debounce enabled.
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A value V produces a multiplier of 0.5 ms * 2^V, which is
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then scaled by 2 MHz / fOSC. See the datasheet for details.
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endif # GPIO_SX1509B
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