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authorAjay Kumar <ajaykumar.rs@samsung.com>2013-02-21 23:53:06 +0000
committerMinkyu Kang <mk7.kang@samsung.com>2013-03-27 21:23:15 +0900
commit9947d13e51aae26903464a3bb7dae727268a3bb6 (patch)
tree5065a0305c497f81defbb0596b6176738f8ad338 /drivers/video/exynos_dp_lowlevel.c
parent1e4706a7156469b5f1c3cbee1a4362c0f96023e8 (diff)
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video: exynos_dp: Add function to parse DP DT node
Add function to parse the required platform data fron DP DT node and fill the edp_info structure. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'drivers/video/exynos_dp_lowlevel.c')
-rw-r--r--drivers/video/exynos_dp_lowlevel.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/video/exynos_dp_lowlevel.c b/drivers/video/exynos_dp_lowlevel.c
index 0be91a5..748d9b8 100644
--- a/drivers/video/exynos_dp_lowlevel.c
+++ b/drivers/video/exynos_dp_lowlevel.c
@@ -25,12 +25,29 @@
#include <asm/arch/cpu.h>
#include <asm/arch/dp_info.h>
#include <asm/arch/dp.h>
+#include <fdtdec.h>
+#include <libfdt.h>
+
+/* Declare global data pointer */
+DECLARE_GLOBAL_DATA_PTR;
struct exynos_dp *dp_regs;
void exynos_dp_set_base_addr(void)
{
+#ifdef CONFIG_OF_CONTROL
+ unsigned int node = fdtdec_next_compatible(gd->fdt_blob,
+ 0, COMPAT_SAMSUNG_EXYNOS5_DP);
+ if (node <= 0)
+ debug("exynos_dp: Can't get device node for dp\n");
+
+ dp_regs = (struct exynos_dp *)fdtdec_get_addr(gd->fdt_blob,
+ node, "reg");
+ if (dp_regs == NULL)
+ debug("Can't get the DP base address\n");
+#else
dp_regs = (struct exynos_dp *)samsung_get_base_dp();
+#endif
}
static void exynos_dp_enable_video_input(unsigned int enable)