[U-Boot] [PATCH 4/4] sunxi: sina33: Enable the LCD

[Chen-Yu Tsai]

Hi,

On Fri, Nov 4, 2016 at 11:18 PM, Maxime Ripard
<maxime.ripard at free-electrons.com> wrote:
> The SinA33 comes with an optional 7" display. Enable it in the
> configuration.
>
> Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>
> ---
>  configs/Sinlinx_SinA33_defconfig | 4 ++++
>  1 file changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/configs/Sinlinx_SinA33_defconfig b/configs/Sinlinx_SinA33_defconfig
> index f4719db2d501..26b119a9b92f 100644
> --- a/configs/Sinlinx_SinA33_defconfig
> +++ b/configs/Sinlinx_SinA33_defconfig
> @@ -6,6 +6,10 @@ CONFIG_DRAM_ZQ=15291
>  CONFIG_MMC0_CD_PIN="PB4"
>  CONFIG_MMC_SUNXI_SLOT_EXTRA=2
>  CONFIG_USB0_ID_DET="PH8"
> +CONFIG_VIDEO_LCD_MODE="x:1024,y:600,depth:18,pclk_khz:66000,le:90,ri:160,up:3,lo:127,hs:70,vs:20,sync:3,vmode:0"
> +CONFIG_VIDEO_LCD_DCLK_PHASE=0
> +CONFIG_VIDEO_LCD_BL_EN="PH6"
> +CONFIG_VIDEO_LCD_BL_PWM="PH0"

I'm using the exact same panel with my SinA31s. The schematics show
that these 2 pins aren't actually hooked up to the panel at all.
Instead of BL_EN, the corresponding pin is pull-ed up to 3.3V by
a resistor just before the LCD connector on the base board.

Please try it without these 2 pins set.

ChenYu

P.S. I've also a VGA converter board for the SinA33 which I've never tried.

>  CONFIG_DEFAULT_DEVICE_TREE="sun8i-a33-sinlinx-sina33"
>  # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
>  CONFIG_SPL=y
> --
> git-series 0.8.11