input: keypad: ep93xx: add DT support for Cirrus EP93xx

- drop flags, they were not used anyway
- add OF ID match table
- process "autorepeat", "debounce-delay-ms", prescale from device tree
- drop platform data usage and it's header
- keymap goes from device tree now on

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 0 insertions, 46 deletions

diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index 03bce5e9d1f1..b99c46d22c4d 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -697,52 +697,6 @@ void __init ep93xx_register_keypad(struct ep93xx_keypad_platform_data *data)
 	platform_device_register(&ep93xx_keypad_device);
 }
 
-int ep93xx_keypad_acquire_gpio(struct platform_device *pdev)
-{
-	int err;
-	int i;
-
-	for (i = 0; i < 8; i++) {
-		err = gpio_request(EP93XX_GPIO_LINE_C(i), dev_name(&pdev->dev));
-		if (err)
-			goto fail_gpio_c;
-		err = gpio_request(EP93XX_GPIO_LINE_D(i), dev_name(&pdev->dev));
-		if (err)
-			goto fail_gpio_d;
-	}
-
-	/* Enable the keypad controller; GPIO ports C and D used for keypad */
-	ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_KEYS |
-				 EP93XX_SYSCON_DEVCFG_GONK);
-
-	return 0;
-
-fail_gpio_d:
-	gpio_free(EP93XX_GPIO_LINE_C(i));
-fail_gpio_c:
-	for (--i; i >= 0; --i) {
-		gpio_free(EP93XX_GPIO_LINE_C(i));
-		gpio_free(EP93XX_GPIO_LINE_D(i));
-	}
-	return err;
-}
-EXPORT_SYMBOL(ep93xx_keypad_acquire_gpio);
-
-void ep93xx_keypad_release_gpio(struct platform_device *pdev)
-{
-	int i;
-
-	for (i = 0; i < 8; i++) {
-		gpio_free(EP93XX_GPIO_LINE_C(i));
-		gpio_free(EP93XX_GPIO_LINE_D(i));
-	}
-
-	/* Disable the keypad controller; GPIO ports C and D used for GPIO */
-	ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_KEYS |
-			       EP93XX_SYSCON_DEVCFG_GONK);
-}
-EXPORT_SYMBOL(ep93xx_keypad_release_gpio);
-
 /*************************************************************************
  * EP93xx I2S audio peripheral handling
  *************************************************************************/