diff mbox series

[v3,12/19] video: mxsfb: enable setting PIXDATA on negative edge

Message ID 20200408151025.20549-13-giulio.benetti@benettiengineering.com
State Superseded
Headers show
Series i.MXRT1050 add LCDIF support | expand

Commit Message

Giulio Benetti April 8, 2020, 3:10 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(+)

Comments

Anatolij Gustschin April 17, 2020, 6:24 p.m. UTC | #1 
On Wed,  8 Apr 2020 17:10:18 +0200
Giulio Benetti giulio.benetti at benettiengineering.com wrote:

> DOTCLK signal can now be flipped by writing its bitmask on vdctrl0
> register.
> 
> Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>

Reviewed-by: Anatolij Gustschin <agust at denx.de>

--
Anatolij
Stefano Babic April 19, 2020, 9:09 a.m. UTC | #2 
> DOTCLK signal can now be flipped by writing its bitmask on vdctrl0
> register.
> Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>
> Reviewed-by: Anatolij Gustschin <agust at denx.de>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic
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,