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OMAP4: keypad: Add the board support

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-Add the platform changes for the keypad driver
-Register keyboard device with hwmod framework.

Signed-off-by: Syed Rafiuddin <rafiuddin.syed@ti.com>
Signed-off-by: Abraham Arce <x0066660@ti.com>
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Syed Rafiuddin
2010-12-27 05:51:45 +00:00
committed by Tony Lindgren
parent b9b35ade88
commit 59556765cd
2 changed files with 130 additions and 0 deletions
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41
arch/arm/mach-omap2/devices.c
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@@ -30,6 +30,7 @@
#include <plat/dma.h>
#include <plat/omap_hwmod.h>
#include <plat/omap_device.h>
#include <plat/omap4-keypad.h>
#include "mux.h"
#include "control.h"
@@ -141,6 +142,46 @@ static inline void omap_init_camera(void)
}
#endif
struct omap_device_pm_latency omap_keyboard_latency[] = {
{
.deactivate_func = omap_device_idle_hwmods,
.activate_func = omap_device_enable_hwmods,
.flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
},
};
int __init omap4_keyboard_init(struct omap4_keypad_platform_data
*sdp4430_keypad_data)
{
struct omap_device *od;
struct omap_hwmod *oh;
struct omap4_keypad_platform_data *keypad_data;
unsigned int id = -1;
char *oh_name = "kbd";
char *name = "omap4-keypad";
oh = omap_hwmod_lookup(oh_name);
if (!oh) {
pr_err("Could not look up %s\n", oh_name);
return -ENODEV;
}
keypad_data = sdp4430_keypad_data;
od = omap_device_build(name, id, oh, keypad_data,
sizeof(struct omap4_keypad_platform_data),
omap_keyboard_latency,
ARRAY_SIZE(omap_keyboard_latency), 0);
if (IS_ERR(od)) {
WARN(1, "Cant build omap_device for %s:%s.\n",
name, oh->name);
return PTR_ERR(od);
}
return 0;
}
#if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE)
#define MBOX_REG_SIZE 0x120