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    Subject[PATCH 03/26] video: of: display_timing: Add support for syncclk-active property
    Date
    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"))
    --
    2.9.3
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