commit e9238d681d9a3067553aab2cd674ff9ba16b15ff
author Giulio Benetti <giulio.benetti@benettiengineering.com> Wed Apr 08 17:10:18 2020 +0200
committer Stefano Babic <sbabic@denx.de> Sat Apr 18 12:54:43 2020 +0200
tree f7b228ff4757c01030429bc0622d5d5b24048bdc
parent 996d96afed2f7d28ee3989cd3ac01a91dca4f385

video: mxsfb: enable setting PIXDATA on negative edge

DOTCLK signal can now be flipped by writing its bitmask on vdctrl0
register.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>

drivers/video/mxsfb.c

diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c
index 4d33e24..648e1c2 100644
--- a/drivers/video/mxsfb.c
+++ b/drivers/video/mxsfb.c
@@ -129,6 +129,8 @@
 		vdctrl0 |= LCDIF_VDCTRL0_HSYNC_POL;
 	if(flags & DISPLAY_FLAGS_VSYNC_HIGH)
 		vdctrl0 |= LCDIF_VDCTRL0_VSYNC_POL;
+	if(flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE)
+		vdctrl0 |= LCDIF_VDCTRL0_DOTCLK_POL;
 	writel(vdctrl0, &regs->hw_lcdif_vdctrl0);
 	writel(timings->vback_porch.typ + timings->vfront_porch.typ +
 		timings->vsync_len.typ + timings->vactive.typ,