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c0165c85c3
Add a simple Analog to Digital Converter device based button driver. This driver binds to the 'adc-keys' device tree node. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
30 lines
899 B
Plaintext
30 lines
899 B
Plaintext
menu "Button Support"
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config BUTTON
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bool "Enable button support"
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depends on DM
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help
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Many boards have buttons which can be used to change behaviour (reset, ...).
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U-Boot provides a uclass API to implement this feature. Button drivers
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can provide access to board-specific buttons. Use of the device tree
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for configuration is encouraged.
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config BUTTON_ADC
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bool "Button adc"
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depends on BUTTON
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help
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Enable support for buttons which are connected to Analog to Digital
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Converter device. The ADC driver must use driver model. Buttons are
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configured using the device tree.
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config BUTTON_GPIO
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bool "Button gpio"
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depends on BUTTON
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help
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Enable support for buttons which are connected to GPIO lines. These
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GPIOs may be on the SoC or some other device which provides GPIOs.
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The GPIO driver must used driver model. Buttons are configured using
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the device tree.
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endmenu
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