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authorAndy Gross <andy.gross@ti.com>2012-05-23 15:08:10 -0500
committerTony Lindgren <tony@atomide.com>2012-07-02 04:05:57 -0700
commite2fb50521c3811eddd60d911bc6d4d191f5d6e61 (patch)
tree32aed5a248041179d38b8ec9a619549382cac0e8 /arch/arm/mach-omap2
parent6887a4131da3adaab011613776d865f4bcfb5678 (diff)
omap2+: add drm device
Register OMAP DRM/KMS platform device. DMM is split into a separate device using hwmod. Signed-off-by: Andy Gross <andy.gross@ti.com> Signed-off-by: Rob Clark <rob.clark@linaro.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r--arch/arm/mach-omap2/Makefile4
-rw-r--r--arch/arm/mach-omap2/drm.c61
2 files changed, 65 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index fa742f3c2629..a636cdc08876 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -189,6 +189,10 @@ endif
# OMAP2420 MSDI controller integration support ("MMC")
obj-$(CONFIG_SOC_OMAP2420) += msdi.o
+ifneq ($(CONFIG_DRM_OMAP),)
+obj-y += drm.o
+endif
+
# Specific board support
obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o
obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o
diff --git a/arch/arm/mach-omap2/drm.c b/arch/arm/mach-omap2/drm.c
new file mode 100644
index 000000000000..72e0f01b715c
--- /dev/null
+++ b/arch/arm/mach-omap2/drm.c
@@ -0,0 +1,61 @@
+/*
+ * DRM/KMS device registration for TI OMAP platforms
+ *
+ * Copyright (C) 2012 Texas Instruments
+ * Author: Rob Clark <rob.clark@linaro.org>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <plat/omap_device.h>
+#include <plat/omap_hwmod.h>
+
+#if defined(CONFIG_DRM_OMAP) || (CONFIG_DRM_OMAP_MODULE)
+
+static struct platform_device omap_drm_device = {
+ .dev = {
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .name = "omapdrm",
+ .id = 0,
+};
+
+static int __init omap_init_drm(void)
+{
+ struct omap_hwmod *oh = NULL;
+ struct platform_device *pdev;
+
+ /* lookup and populate the DMM information, if present - OMAP4+ */
+ oh = omap_hwmod_lookup("dmm");
+
+ if (oh) {
+ pdev = omap_device_build(oh->name, -1, oh, NULL, 0, NULL, 0,
+ false);
+ WARN(IS_ERR(pdev), "Could not build omap_device for %s\n",
+ oh->name);
+ }
+
+ return platform_device_register(&omap_drm_device);
+
+}
+
+arch_initcall(omap_init_drm);
+
+#endif