From 7c30d767b87250a82721c26623735edf920d20a9 Mon Sep 17 00:00:00 2001
From: Giulio Benetti <giulio.benetti@benettiengineering.com>
Date: Wed, 8 Apr 2020 17:10:18 +0200
Subject: [PATCH] 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 | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c
index 4d33e24e1a..648e1c22fe 100644
--- a/drivers/video/mxsfb.c
+++ b/drivers/video/mxsfb.c
@@ -129,6 +129,8 @@ static void mxs_lcd_init(struct udevice *dev, u32 fb_addr,
 		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,
-- 
2.39.5