Extra omap code in linux-omap tree

[linux-2.6-omap-h63xx.git] / arch / arm / mach-omap2 / board-apollon-keys.c

diff --git a/arch/arm/mach-omap2/board-apollon-keys.c b/arch/arm/mach-omap2/board-apollon-keys.c
new file mode 100644 (file)
index 0000000..10329c0
--- /dev/null
+++ b/arch/arm/mach-omap2/board-apollon-keys.c
@@ -0,0 +1,103 @@
+/*
+ * linux/arch/arm/mach-omap2/board-apollon-keys.c
+ *
+ * Copyright (C) 2007 Samsung Electronics
+ * Author: Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+
+#include <mach/gpio.h>
+#include <mach/mux.h>
+
+#define SW_ENTER_GPIO16                16
+#define SW_UP_GPIO17           17
+#define SW_DOWN_GPIO58         58
+#define SW_LEFT_GPIO95         95
+#define SW_RIGHT_GPIO96                96
+#define SW_ESC_GPIO97          97
+
+extern int apollon_plus(void);
+
+static struct gpio_keys_button apollon_gpio_keys_buttons[] = {
+       [0] = {
+               .code           = KEY_ENTER,
+               .gpio           = SW_ENTER_GPIO16,
+               .desc           = "enter sw",
+       },
+       [1] = {
+               .code           = KEY_UP,
+               .gpio           = SW_UP_GPIO17,
+               .desc           = "up sw",
+       },
+       [2] = {
+               .code           = KEY_DOWN,
+               .gpio           = SW_DOWN_GPIO58,
+               .desc           = "down sw",
+       },
+       [3] = {
+               .code           = KEY_LEFT,
+               .gpio           = SW_LEFT_GPIO95,
+               .desc           = "left sw",
+       },
+       [4] = {
+               .code           = KEY_RIGHT,
+               .gpio           = SW_RIGHT_GPIO96,
+               .desc           = "right sw",
+       },
+       [5] = {
+               .code           = KEY_ESC,
+               .gpio           = SW_ESC_GPIO97,
+               .desc           = "esc sw",
+       },
+};
+
+static struct gpio_keys_platform_data apollon_gpio_keys = {
+       .buttons                = apollon_gpio_keys_buttons,
+       .nbuttons               = ARRAY_SIZE(apollon_gpio_keys_buttons),
+};
+
+static struct platform_device apollon_gpio_keys_device = {
+       .name                   = "gpio-keys",
+       .id                     = -1,
+       .dev                    = {
+               .platform_data  = &apollon_gpio_keys,
+       },
+};
+
+static void __init apollon_sw_init(void)
+{
+       /* Enter SW - Y11 */
+       omap_cfg_reg(Y11_242X_GPIO16);
+       /* Up SW - AA12 */
+       omap_cfg_reg(AA12_242X_GPIO17);
+       /* Down SW - AA8 */
+       omap_cfg_reg(AA8_242X_GPIO58);
+
+       if (apollon_plus()) {
+               /* Left SW - P18 */
+               omap_cfg_reg(P18_24XX_GPIO95);
+               /* Right SW - M18 */
+               omap_cfg_reg(M18_24XX_GPIO96);
+               /* Esc SW - L14 */
+               omap_cfg_reg(L14_24XX_GPIO97);
+       } else
+               apollon_gpio_keys.nbuttons = 3;
+}
+
+static int __init omap_apollon_keys_init(void)
+{
+       apollon_sw_init();
+
+       return platform_device_register(&apollon_gpio_keys_device);
+}
+
+arch_initcall(omap_apollon_keys_init);