video: mxsfb: enable setting ENABLE negative polarity
authorGiulio Benetti <giulio.benetti@benettiengineering.com>
Wed, 8 Apr 2020 15:10:19 +0000 (17:10 +0200)
committerStefano Babic <sbabic@denx.de>
Sat, 18 Apr 2020 10:54:43 +0000 (12:54 +0200)
ENABLE 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

index 648e1c2..8a5a61c 100644 (file)
@@ -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, &regs->hw_lcdif_vdctrl0);
        writel(timings->vback_porch.typ + timings->vfront_porch.typ +
                timings->vsync_len.typ + timings->vactive.typ,