diff mbox series

[v2,12/19] video: mxsfb: enable setting PIXDATA on negative edge

Message ID 20200322224435.114512-13-giulio.benetti@benettiengineering.com
State Accepted
Commit 7c30d767b87250a82721c26623735edf920d20a9
Headers show
Series i.MXRT1050 add LCDIF support | expand

Commit Message

Giulio Benetti March 22, 2020, 10:44 p.m. UTC 
DOTCLK 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 | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

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,