linux/drivers/input/keyboard
Hugo Villeneuve 2ca45e57ea Input: charlieplex_keypad - add GPIO charlieplex keypad
Add support for GPIO-based charlieplex keypad, allowing to control
N^2-N keys using N GPIO lines.

Reuse matrix keypad keymap to simplify, even if there is no concept
of rows and columns in this type of keyboard.

Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Link: https://patch.msgid.link/20260312180304.3865850-5-hugo@hugovil.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2026-04-19 18:27:01 -07:00
..
Kconfig Input: charlieplex_keypad - add GPIO charlieplex keypad 2026-04-19 18:27:01 -07:00
Makefile Input: charlieplex_keypad - add GPIO charlieplex keypad 2026-04-19 18:27:01 -07:00
adc-keys.c Input: adc-keys - use device_for_each_child_node_scoped() 2024-07-15 17:02:13 -07:00
adp5520-keys.c Input: switch back to struct platform_driver::remove() 2024-10-15 11:43:25 -07:00
adp5585-keys.c Input: adp5585: Add Analog Devices ADP5585/89 support 2025-07-01 21:50:51 +01:00
adp5588-keys.c treewide: rename GPIO set callbacks back to their original names 2025-08-07 10:07:06 +02:00
amikbd.c
applespi.c Input updates for v6.13-rc0 2024-11-25 10:31:39 -08:00
applespi.h
applespi_trace.h
atakbd.c
atkbd.c Linux 7.0-rc3 2026-03-12 10:44:42 -07:00
bcm-keypad.c
cap11xx.c Input: cap11xx - switch to for_each_child_of_node_scoped 2024-10-19 21:21:37 -07:00
charlieplex_keypad.c Input: charlieplex_keypad - add GPIO charlieplex keypad 2026-04-19 18:27:01 -07:00
clps711x-keypad.c
cros_ec_keyb.c Input: cros_ec_keyb - factor out column processing 2026-02-23 13:47:52 -08:00
cypress-sf.c Input: cypress-sf - constify struct i2c_device_id 2024-11-18 19:35:24 -08:00
dlink-dir685-touchkeys.c Input: Use str_enable_disable-like helpers 2025-01-14 13:41:41 -08:00
ep93xx_keypad.c Input updates for v6.13-rc0 2024-11-25 10:31:39 -08:00
goldfish_events.c
gpio_keys.c Input: gpio_keys - fall back to platform_get_irq() for interrupt-only keys 2026-02-01 00:05:00 -08:00
gpio_keys_polled.c Input: gpio_keys_polled - avoid using GPIOF_ACTIVE_LOW 2024-11-09 14:55:33 +01:00
hil_kbd.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
hilkbd.c Input: hilkbd - use guard notation when acquiring spinlock 2024-11-05 14:17:20 -08:00
hpps2atkbd.h
imx-sm-bbm-key.c input: keyboard: support i.MX95 BBM module 2024-08-28 21:54:38 +01:00
imx_keypad.c Input: imx_keypad - fix spelling mistake "Colums" -> "Columns" 2026-04-19 17:55:20 -07:00
imx_sc_key.c Input: imx_sc_key - fix memory corruption on unload 2025-11-04 10:57:36 -08:00
ipaq-micro-keys.c input: ipaq-micro-keys: use devm_kmemdup_array() 2025-02-24 12:08:52 +02:00
iqs62x-keys.c Input: switch back to struct platform_driver::remove() 2024-10-15 11:43:25 -07:00
jornada680_kbd.c
jornada720_kbd.c
lkkbd.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
lm8323.c Input: Use str_enable_disable-like helpers 2025-01-14 13:41:41 -08:00
lm8333.c
locomokbd.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
lpc32xx-keys.c Input: lpc32xx-keys - use guard notation when acquiring mutex 2024-10-03 08:53:31 -07:00
maple_keyb.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
matrix_keypad.c Input: matrix_keypad - detect change during scan 2025-04-09 14:21:46 -07:00
max7359_keypad.c
max7360-keypad.c input: keyboard: Add support for MAX7360 keypad 2025-09-16 15:24:48 +01:00
mpr121_touchkey.c Input: mpr121 - drop redundant wakeup handling 2026-03-10 17:05:50 -07:00
mt6779-keypad.c Input: mt6779-keypad - use devm_clk_get_enabled() 2024-08-28 11:10:05 -07:00
mtk-pmic-keys.c Input: mtk-pmic-keys - MT6359 has a specific release irq 2025-09-06 09:24:14 -07:00
newtonkbd.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
nspire-keypad.c
omap-keypad.c Convert 'alloc_flex' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
omap4-keypad.c Input: omap4-keypad - remove redundant pm_runtime_mark_last_busy() calls 2025-12-13 01:23:01 -08:00
opencores-kbd.c
pinephone-keyboard.c
pmic8xxx-keypad.c Input: pmic8xxx-keypad - use guard notation when acquiring mutex 2024-10-03 08:58:57 -07:00
pxa27x_keypad.c Input: pxa27x-keypad - drop support for platform data 2025-09-08 06:35:37 -07:00
qt1050.c Input: qt1050 - inline i2c_check_functionality check 2026-04-08 07:46:01 -07:00
qt1070.c Input: qt1070 - inline i2c_check_functionality check 2026-04-08 07:46:01 -07:00
qt2160.c
samsung-keypad.c Input: samsung-keypad - use BIT() and GENMASK() where appropriate 2025-07-01 14:31:17 -07:00
sh_keysc.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
snvs_pwrkey.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
spear-keyboard.c Input: spear-keyboard - drop support for platform data 2025-09-08 06:38:01 -07:00
st-keyscan.c Input: st-keyscan - use guard notation when acquiring mutex 2024-10-03 08:58:57 -07:00
stmpe-keypad.c Input: switch back to struct platform_driver::remove() 2024-10-15 11:43:25 -07:00
stowaway.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
sun4i-lradc-keys.c Input: sun4i-lradc-keys - don't include 'pm_wakeup.h' directly 2024-11-19 21:35:54 -08:00
sunkbd.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
tc3589x-keypad.c Input: tc3589x - use of_property_present() 2024-07-31 12:36:49 -07:00
tca8418_keypad.c Input: tca8418_keypad - switch to using module_i2c_driver() 2025-08-12 14:42:28 -07:00
tegra-kbc.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
tm2-touchkey.c
twl4030_keypad.c Input: twl4030_keypad - drop support for platform data 2025-09-17 15:00:02 -07:00
xtkbd.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00