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authorMarek Szyprowski2012-05-11 23:42:33 +0200
committerKukjin Kim2012-05-11 23:42:33 +0200
commit18c411b7974f47f84c29507bdf3e0573890c0f0e (patch)
tree47bd7169b68ba5eb0da67df68a214e62e9bc19f5 /arch/arm/mach-exynos
parentARM: EXYNOS: add dts files to dtbs target (diff)
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ARM: EXYNOS: add platform device for core DRM subsystem
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>
Diffstat (limited to 'arch/arm/mach-exynos')
-rw-r--r--arch/arm/mach-exynos/Kconfig5
-rw-r--r--arch/arm/mach-exynos/Makefile1
-rw-r--r--arch/arm/mach-exynos/dev-drm.c29
3 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index e81c35f936b5..8bc89f27e9da 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -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
diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
index 8631840d1b5e..f67e882b9dab 100644
--- a/arch/arm/mach-exynos/Makefile
+++ b/arch/arm/mach-exynos/Makefile
@@ -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
diff --git a/arch/arm/mach-exynos/dev-drm.c b/arch/arm/mach-exynos/dev-drm.c
new file mode 100644
index 000000000000..17c9c6ecc2e0
--- /dev/null
+++ b/arch/arm/mach-exynos/dev-drm.c
@@ -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),
+ }
+};