1 files changed, 73 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap_dmm.c b/arch/arm/mach-omap2/omap_dmm.c
new file mode 100644
index 0000000..c2c44d2
--- /dev/null
+++ b/arch/arm/mach-omap2/omap_dmm.c
@@ -0,0 +1,73 @@
+/*
+ * DMM driver support functions for TI OMAP processors.
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+#include <linux/io.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <mach/dmm.h>
+#include <plat/omap_device.h>
+#include <plat/omap_hwmod.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <mach/dmm.h>
+#include <mach/tiler.h>
+
+#ifdef CONFIG_TI_TILER
+
+static struct omap_dmm_platform_data dmm_data = {
+	.oh_name = "dmm",
+};
+
+static struct platform_device omap_tiler_device = {
+	.name           = "tiler",
+	.id             = -1,
+};
+
+static struct omap_device_pm_latency omap_dmm_latency[] = {
+	[0] = {
+		.deactivate_func = omap_device_idle_hwmods,
+		.activate_func = omap_device_enable_hwmods,
+		.flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
+	},
+};
+
+
+void __init omap_dmm_init(void)
+{
+	struct omap_hwmod *oh = NULL;
+	struct omap_device *od = NULL;
+
+	oh = omap_hwmod_lookup(dmm_data.oh_name);
+	if (!oh)
+		return;
+
+	dmm_data.base = omap_hwmod_get_mpu_rt_va(oh);
+	dmm_data.irq = oh->mpu_irqs[0].irq;
+
+	od = omap_device_build(dmm_data.oh_name, -1, oh, &dmm_data,
+				sizeof(dmm_data), omap_dmm_latency,
+				ARRAY_SIZE(omap_dmm_latency), false);
+
+	/* register tiler platform device to go along with the dmm device */
+	if (platform_device_register(&omap_tiler_device) < 0)
+		printk(KERN_ERR "Unable to register OMAP Tiler device\n");
+
+	return;
+}
+
+#else
+void __init omap_dmm_init(void)
+{
+}
+#endif