Register keyboard device with hwmod framework
Signed-off-by: Abraham Arce <x0066660@xxxxxx>
---
arch/arm/mach-omap2/devices.c | 59 +++++++++++++++++++++++++++++++++++++++++
1 files changed, 59 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 2271b9b..64d68a9 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -15,6 +15,7 @@
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/clk.h>
+#include <linux/slab.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -26,6 +27,9 @@
#include <plat/mux.h>
#include <mach/gpio.h>
#include <plat/mmc.h>
+#include <plat/omap_hwmod.h>
+#include <plat/omap_device.h>
+#include <plat/omap4-keypad.h>
#include "mux.h"
@@ -136,6 +140,61 @@ static inline void omap_init_camera(void)
}
#endif
+#ifdef CONFIG_ARCH_OMAP4
+
+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 omap4_init_kp(struct omap4_keypad_platform_data *kp)
+{
+ struct omap_hwmod *oh;
+ struct omap_device *od;
+ struct omap4_keypad_platform_data *pdata;
+
+ unsigned int length = 0, id = 0;
+ int hw_mod_name_len = 16;
+ char oh_name[hw_mod_name_len];
+ char *name = "omap4-keypad";
+
+ length = snprintf(oh_name, hw_mod_name_len, "kbd");
+
+ oh = omap_hwmod_lookup(oh_name);
+ if (!oh) {
+ pr_err("Could not look up %s\n", oh_name);
+ return -EIO;
+ }
+
+ pdata = kzalloc(sizeof(struct omap4_keypad_platform_data), GFP_KERNEL);
+ if (!pdata) {
+ WARN(1, "Keyboard pdata memory allocation failed\n");
+ return -ENOMEM;
+ }
+
+ pdata = kp;
+
+ pdata->base = oh->_rt_va;
+ pdata->irq = oh->mpu_irqs[0].irq;
+ pdata->device_enable = omap_device_enable;
+ pdata->device_idle = omap_device_idle;
+ pdata->device_shutdown = omap_device_shutdown;
+
+ od = omap_device_build(name, id, oh, pdata,
+ sizeof(struct matrix_keypad_platform_data),
+ omap_keyboard_latency,
+ ARRAY_SIZE(omap_keyboard_latency), 1);
+ WARN(IS_ERR(od), "Could not build omap_device for %s %s\n",
+ name, oh_name);
+
+ return 0;
+}
+
+#endif
+
#if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE)
#define MBOX_REG_SIZE 0x120
--
1.5.4.3
--
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