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ARM: EXYNOS: add platform device for core DRM subsystem

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Add platform device for Exynos DRM core. This device is used
for creating DRM user-space device and allocating memory for
display buffers.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Marek Szyprowski 2012-05-12 06:42:33 +09:00 committed by Kukjin Kim
parent 5cf5983423
commit 18c411b797
4 changed files with 37 additions and 0 deletions
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5
arch/arm/mach-exynos/Kconfig
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@ -80,6 +80,11 @@ config EXYNOS4_DEV_AHCI
help
Compile in platform device definitions for AHCI
config EXYNOS_DEV_DRM
bool
help
Compile in platform device definitions for core DRM device
config EXYNOS4_SETUP_FIMD0
bool
help

1
arch/arm/mach-exynos/Makefile
View file

@ -50,6 +50,7 @@ obj-$(CONFIG_MACH_EXYNOS5_DT) += mach-exynos5-dt.o
obj-y += dev-uart.o
obj-$(CONFIG_ARCH_EXYNOS4) += dev-audio.o
obj-$(CONFIG_EXYNOS4_DEV_AHCI) += dev-ahci.o
obj-$(CONFIG_EXYNOS_DEV_DRM) += dev-drm.o
obj-$(CONFIG_EXYNOS4_DEV_SYSMMU) += dev-sysmmu.o
obj-$(CONFIG_EXYNOS4_DEV_DWMCI) += dev-dwmci.o
obj-$(CONFIG_EXYNOS4_DEV_DMA) += dma.o

29
arch/arm/mach-exynos/dev-drm.c Normal file
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@ -0,0 +1,29 @@
/*
* linux/arch/arm/mach-exynos/dev-drm.c
*
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* EXYNOS - core DRM device
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/kernel.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <plat/devs.h>
static u64 exynos_drm_dma_mask = DMA_BIT_MASK(32);
struct platform_device exynos_device_drm = {
.name = "exynos-drm",
.dev = {
.dma_mask = &exynos_drm_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
}
};

2
arch/arm/plat-samsung/include/plat/devs.h
View file

@ -135,6 +135,8 @@ extern struct platform_device exynos4_device_pd[];
extern struct platform_device exynos4_device_spdif;
extern struct platform_device exynos4_device_sysmmu;
extern struct platform_device exynos_device_drm;
extern struct platform_device samsung_asoc_dma;
extern struct platform_device samsung_asoc_idma;
extern struct platform_device samsung_device_keypad;