OMAP4: keypad: Add the board support
-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>
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index e0f0ef9..8800486 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -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 @@
}
#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