On Thu, Apr 19, 2018 at 3:02 PM, Chen-Yu Tsai <wens@xxxxxxxx> wrote:
> This panel is marketed as Banana Pi 7" LCD display. On the back is
> a sticker denoting the model name S070WV20-CT16.
>
> This is a 7" 800x480 panel connected through a 24-bit RGB interface.
> However the panel only does 262k colors.
>
> Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
> ---
> .../display/panel/bananapi,s070wv20-ct16.txt | 7 ++++++
> drivers/gpu/drm/panel/panel-simple.c | 25 +++++++++++++++++++
> 2 files changed, 32 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/display/panel/bananapi,s070wv20-ct16.txt
>
> diff --git a/Documentation/devicetree/bindings/display/panel/bananapi,s070wv20-ct16.txt b/Documentation/devicetree/bindings/display/panel/bananapi,s070wv20-ct16.txt
> new file mode 100644
> index 000000000000..2ec35ce36e9a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/bananapi,s070wv20-ct16.txt
> @@ -0,0 +1,7 @@
> +Banana Pi 7" (S070WV20-CT16) TFT LCD Panel
> +
> +Required properties:
> +- compatible: should be "bananapi,s070wv20-ct16"
> +
> +This binding is compatible with the simple-panel binding, which is specified
> +in simple-panel.txt in this directory.
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index cbf1ab404ee7..9bc037f74d6c 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -745,6 +745,28 @@ static const struct panel_desc avic_tm070ddh03 = {
> },
> };
>
> +static const struct drm_display_mode bananapi_s070wv20_ct16_mode = {
> + .clock = 30000,
> + .hdisplay = 800,
> + .hsync_start = 800 + 40,
> + .hsync_end = 800 + 40 + 48,
> + .htotal = 800 + 40 + 48 + 40,
> + .vdisplay = 480,
> + .vsync_start = 480 + 13,
> + .vsync_end = 480 + 13 + 3,
> + .vtotal = 480 + 13 + 3 + 29,
> +};
> +
> +static const struct panel_desc bananapi_s070wv20_ct16 = {
> + .modes = &bananapi_s070wv20_ct16_mode,
> + .num_modes = 1,
> + .bpc = 6,
> + .size = {
> + .width = 154,
> + .height = 86,
> + },
> +};
I think this parallel RGB interface right? I too have same display
with DSI I'm sure these setting will not useful right? do we need to
write separate panel driver for that?
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