input: button_kbd: make driver complementary to gpio buttons

Remove need of dts binding for button keyboard since it reuses
gpio-keys binding. Select gpio-keys driver if button keyboard
is selected since button keyboard can not operate on its own.

Tested-by: Svyatoslav Ryhel <clamor95@gmail.com> # HTC One X T30
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/input/Kconfig b/drivers/input/Kconfig
index 32360d9..c2b365a 100644 (file)
--- a/drivers/input/Kconfig
+++ b/drivers/input/Kconfig
@@ -48,8 +48,8 @@ config APPLE_SPI_KEYB
 
 config BUTTON_KEYBOARD
        bool "Buttons as keyboard"
-       depends on BUTTON_GPIO
        depends on DM_KEYBOARD
+       select BUTTON_GPIO
        help
          Enable support for mapping buttons to keycode events. Use linux,code button driver
          dt node to define button-event mapping.

diff --git a/drivers/input/button_kbd.c b/drivers/input/button_kbd.c
index 99e65f1..74fadfc 100644 (file)
--- a/drivers/input/button_kbd.c
+++ b/drivers/input/button_kbd.c
@@ -111,16 +111,14 @@ static int button_kbd_probe(struct udevice *dev)
        return 0;
 }
 
-static const struct udevice_id button_kbd_ids[] = {
-       { .compatible = "button-kbd" },
-       { }
-};
-
 U_BOOT_DRIVER(button_kbd) = {
        .name           = "button_kbd",
        .id             = UCLASS_KEYBOARD,
-       .of_match       = button_kbd_ids,
        .ops            = &button_kbd_ops,
        .priv_auto      = sizeof(struct button_kbd_priv),
        .probe          = button_kbd_probe,
 };
+
+U_BOOT_DRVINFO(button_kbd) = {
+       .name = "button_kbd"
+};