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| author | Ajay Kumar <ajaykumar.rs@samsung.com> | 2013-02-21 23:53:06 +0000 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2013-03-27 21:23:15 +0900 |
| commit | 9947d13e51aae26903464a3bb7dae727268a3bb6 (patch) | |
| tree | 5065a0305c497f81defbb0596b6176738f8ad338 /drivers/video/exynos_dp.c | |
| parent | 1e4706a7156469b5f1c3cbee1a4362c0f96023e8 (diff) | |
| download | u-boot-imx-9947d13e51aae26903464a3bb7dae727268a3bb6.zip u-boot-imx-9947d13e51aae26903464a3bb7dae727268a3bb6.tar.gz u-boot-imx-9947d13e51aae26903464a3bb7dae727268a3bb6.tar.bz2 | |
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.c')
| -rw-r--r-- | drivers/video/exynos_dp.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/video/exynos_dp.c b/drivers/video/exynos_dp.c index 5f4f25e..87bb907 100644 --- a/drivers/video/exynos_dp.c +++ b/drivers/video/exynos_dp.c @@ -27,9 +27,13 @@ #include <asm/arch/cpu.h> #include <asm/arch/dp_info.h> #include <asm/arch/dp.h> +#include <fdtdec.h> +#include <libfdt.h> #include "exynos_dp_lowlevel.h" +DECLARE_GLOBAL_DATA_PTR; + static struct exynos_dp_platform_data *dp_pd; void __exynos_set_dp_phy(unsigned int onoff) @@ -859,6 +863,62 @@ static unsigned int exynos_dp_config_video(struct edp_device_info *edp_info) return ret; } +#ifdef CONFIG_OF_CONTROL +int exynos_dp_parse_dt(const void *blob, struct edp_device_info *edp_info) +{ + unsigned int node = fdtdec_next_compatible(blob, 0, + COMPAT_SAMSUNG_EXYNOS5_DP); + if (node <= 0) { + debug("exynos_dp: Can't get device node for dp\n"); + return -ENODEV; + } + + edp_info->disp_info.h_res = fdtdec_get_int(blob, node, + "samsung,h-res", 0); + edp_info->disp_info.h_sync_width = fdtdec_get_int(blob, node, + "samsung,h-sync-width", 0); + edp_info->disp_info.h_back_porch = fdtdec_get_int(blob, node, + "samsung,h-back-porch", 0); + edp_info->disp_info.h_front_porch = fdtdec_get_int(blob, node, + "samsung,h-front-porch", 0); + edp_info->disp_info.v_res = fdtdec_get_int(blob, node, + "samsung,v-res", 0); + edp_info->disp_info.v_sync_width = fdtdec_get_int(blob, node, + "samsung,v-sync-width", 0); + edp_info->disp_info.v_back_porch = fdtdec_get_int(blob, node, + "samsung,v-back-porch", 0); + edp_info->disp_info.v_front_porch = fdtdec_get_int(blob, node, + "samsung,v-front-porch", 0); + edp_info->disp_info.v_sync_rate = fdtdec_get_int(blob, node, + "samsung,v-sync-rate", 0); + + edp_info->lt_info.lt_status = fdtdec_get_int(blob, node, + "samsung,lt-status", 0); + + edp_info->video_info.master_mode = fdtdec_get_int(blob, node, + "samsung,master-mode", 0); + edp_info->video_info.bist_mode = fdtdec_get_int(blob, node, + "samsung,bist-mode", 0); + edp_info->video_info.bist_pattern = fdtdec_get_int(blob, node, + "samsung,bist-pattern", 0); + edp_info->video_info.h_sync_polarity = fdtdec_get_int(blob, node, + "samsung,h-sync-polarity", 0); + edp_info->video_info.v_sync_polarity = fdtdec_get_int(blob, node, + "samsung,v-sync-polarity", 0); + edp_info->video_info.interlaced = fdtdec_get_int(blob, node, + "samsung,interlaced", 0); + edp_info->video_info.color_space = fdtdec_get_int(blob, node, + "samsung,color-space", 0); + edp_info->video_info.dynamic_range = fdtdec_get_int(blob, node, + "samsung,dynamic-range", 0); + edp_info->video_info.ycbcr_coeff = fdtdec_get_int(blob, node, + "samsung,ycbcr-coeff", 0); + edp_info->video_info.color_depth = fdtdec_get_int(blob, node, + "samsung,color-depth", 0); + return 0; +} +#endif + unsigned int exynos_init_dp(void) { unsigned int ret; @@ -870,11 +930,16 @@ unsigned int exynos_init_dp(void) return -EFAULT; } +#ifdef CONFIG_OF_CONTROL + if (exynos_dp_parse_dt(gd->fdt_blob, edp_info)) + debug("unable to parse DP DT node\n"); +#else edp_info = dp_pd->edp_dev_info; if (edp_info == NULL) { debug("failed to get edp_info data.\n"); return -EFAULT; } +#endif exynos_dp_set_base_addr(); |