[PATCH v3 13/19] video: mxsfb: enable setting ENABLE negative polarity
Giulio Benetti
giulio.benetti at benettiengineering.com
Wed Apr 8 17:10:19 CEST 2020
ENABLE signal can now be flipped by writing its bitmask on vdctrl0
register.
Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>
---
drivers/video/mxsfb.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c
index 648e1c22fe..8a5a61c9fb 100644
--- a/drivers/video/mxsfb.c
+++ b/drivers/video/mxsfb.c
@@ -131,6 +131,9 @@ static void mxs_lcd_init(struct udevice *dev, u32 fb_addr,
vdctrl0 |= LCDIF_VDCTRL0_VSYNC_POL;
if(flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE)
vdctrl0 |= LCDIF_VDCTRL0_DOTCLK_POL;
+ if(flags & DISPLAY_FLAGS_DE_HIGH)
+ vdctrl0 |= LCDIF_VDCTRL0_ENABLE_POL;
+
writel(vdctrl0, ®s->hw_lcdif_vdctrl0);
writel(timings->vback_porch.typ + timings->vfront_porch.typ +
timings->vsync_len.typ + timings->vactive.typ,
--
2.20.1
More information about the U-Boot
mailing list