sh: mach-rsk: Add polled GPIO buttons support for RSK+7203.

Now that there's an upstream polled gpio-keys driver, add the outstanding
platform data for it.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 36 insertions, 1 deletions

diff --git a/arch/sh/boards/mach-rsk/devices-rsk7203.c b/arch/sh/boards/mach-rsk/devices-rsk7203.c
index 4fa08ba10253..a8089f79d058 100644
--- a/arch/sh/boards/mach-rsk/devices-rsk7203.c
+++ b/arch/sh/boards/mach-rsk/devices-rsk7203.c
@@ -1,7 +1,7 @@
 /*
  * Renesas Technology Europe RSK+ 7203 Support.
  *
- * Copyright (C) 2008 Paul Mundt
+ * Copyright (C) 2008 - 2010  Paul Mundt
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -12,7 +12,9 @@
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/smsc911x.h>
+#include <linux/input.h>
 #include <linux/gpio.h>
+#include <linux/gpio_keys.h>
 #include <linux/leds.h>
 #include <asm/machvec.h>
 #include <asm/io.h>
@@ -84,9 +86,42 @@ static struct platform_device led_device = {
         },
 };
 
+static struct gpio_keys_button rsk7203_gpio_keys_table[] = {
+        {
+                .code           = BTN_0,
+                .gpio           = GPIO_PB0,
+                .active_low     = 1,
+                .desc           = "SW1",
+        }, {
+                .code           = BTN_1,
+                .gpio           = GPIO_PB1,
+                .active_low     = 1,
+                .desc           = "SW2",
+        }, {
+                .code           = BTN_2,
+                .gpio           = GPIO_PB2,
+                .active_low     = 1,
+                .desc           = "SW3",
+        },
+};
+
+static struct gpio_keys_platform_data rsk7203_gpio_keys_info = {
+        .buttons        = rsk7203_gpio_keys_table,
+        .nbuttons       = ARRAY_SIZE(rsk7203_gpio_keys_table),
+        .poll_interval  = 50, /* default to 50ms */
+};
+
+static struct platform_device keys_device = {
+        .name           = "gpio-keys-polled",
+        .dev            = {
+                .platform_data  = &rsk7203_gpio_keys_info,
+        },
+};
+
 static struct platform_device *rsk7203_devices[] __initdata = {
         &smsc911x_device,
         &led_device,
+        &keys_device,
 };
 
 static int __init rsk7203_devices_setup(void)