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dm: input: add button_kbd driver

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Bootmenu requires an input device with arrows and enter key.
A common smartphone luckily has power, volume up/down buttons,
which may be used for controlling bootmenu.
To use driver, add 'button-kbd' to stdin.

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Dzmitry Sankouski
2023-01-22 18:21:25 +03:00
committed by Tom Rini
parent ea6fdc1359
commit e877996289
3 changed files with 136 additions and 0 deletions
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9
drivers/input/Kconfig
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@@ -46,6 +46,15 @@ config APPLE_SPI_KEYB
laptops based on Apple SoCs. These keyboards use an
Apple-specific HID-over-SPI protocol.
config BUTTON_KEYBOARD
bool "Buttons as keyboard"
depends on BUTTON_GPIO
depends on DM_KEYBOARD
help
Enable support for mapping buttons to keycode events. Use linux,code button driver
dt node to define button-event mapping.
For example, an arrows and enter may be implemented to navigate boot menu.
config CROS_EC_KEYB
bool "Enable Chrome OS EC keyboard support"
depends on INPUT