Messages in this thread Patch in this message | | | From | Peter Ujfalusi <> | Subject | [PATCH v2 3/3] video: of: display_timing: Add support for syncclk-active property | Date | Thu, 22 Sep 2016 13:35:26 +0300 |
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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 <peter.ujfalusi@ti.com> CC: Rob Herring <robh+dt@kernel.org> CC: Mark Rutland <mark.rutland@arm.com> CC: devicetree@vger.kernel.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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