diff options
author | Andy Gross <andy.gross@ti.com> | 2012-05-23 20:08:10 (GMT) |
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committer | Tony Lindgren <tony@atomide.com> | 2012-07-02 11:05:57 (GMT) |
commit | e2fb50521c3811eddd60d911bc6d4d191f5d6e61 (patch) | |
tree | 32aed5a248041179d38b8ec9a619549382cac0e8 /arch/arm/mach-omap2/drm.c | |
parent | 6887a4131da3adaab011613776d865f4bcfb5678 (diff) | |
download | linux-e2fb50521c3811eddd60d911bc6d4d191f5d6e61.tar.xz |
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/drm.c')
-rw-r--r-- | arch/arm/mach-omap2/drm.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/drm.c b/arch/arm/mach-omap2/drm.c new file mode 100644 index 0000000..72e0f01b --- /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 |