[PATCH v2 3/3] video: of: display_timing: Add support for syncclk-active property
From: Peter Ujfalusi <hidden>
Date: 2016-09-22 10:35:57
Also in:
dri-devel, linux-fbdev, lkml
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
Configure the DISPLAY_FLAGS_SYNC_POSEDGE/NEGEDGE flags according to the binding document. If the syncclk-active is present in DT, configure the flags accordingly, if it is omitted it means that the SYNC edge is following the pixdata configuration. Signed-off-by: Peter Ujfalusi <redacted> CC: Rob Herring <redacted> CC: Mark Rutland <redacted> CC: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org --- drivers/video/of_display_timing.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c
index 8a1076beecd3..db992c684f09 100644
--- a/drivers/video/of_display_timing.c
+++ b/drivers/video/of_display_timing.c@@ -88,6 +88,15 @@ static int of_parse_display_timing(const struct device_node *np, dt->flags |= val ? DISPLAY_FLAGS_PIXDATA_POSEDGE : DISPLAY_FLAGS_PIXDATA_NEGEDGE; + if (!of_property_read_u32(np, "syncclk-active", &val)) + dt->flags |= val ? DISPLAY_FLAGS_SYNC_POSEDGE : + DISPLAY_FLAGS_SYNC_NEGEDGE; + else if (dt->flags & (DISPLAY_FLAGS_PIXDATA_POSEDGE | + DISPLAY_FLAGS_PIXDATA_NEGEDGE)) + dt->flags |= dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE ? + DISPLAY_FLAGS_SYNC_POSEDGE : + DISPLAY_FLAGS_SYNC_NEGEDGE; + if (of_property_read_bool(np, "interlaced")) dt->flags |= DISPLAY_FLAGS_INTERLACED; if (of_property_read_bool(np, "doublescan"))
--
2.10.0
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