Re: [PATCH 2/4] drm/panel: simple: Add support for the Lemaker BL035 3.5" LCD

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On Wed, Oct 10, 2018 at 01:41:32PM +0200, Paul Kocialkowski wrote:
> This adds support for the 3.5" LCD panel from Lemaker, sold for use with
> BananaPi boards. It comes with a 24-bit RGB888 parallel interface and
> requires an active-low DE signal
> 
> Signed-off-by: Paul Kocialkowski <contact@xxxxxxxx>
> ---
>  drivers/gpu/drm/panel/panel-simple.c | 27 +++++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index 97964f7f2ace..229080fcf65e 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -1461,6 +1461,30 @@ static const struct panel_desc kyo_tcg121xglp = {
>  	.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
>  };
>  
> +static const struct drm_display_mode lemaker_bl035_mode = {
> +	.clock = 7000,
> +	.hdisplay = 320,
> +	.hsync_start = 320 + 20,
> +	.hsync_end = 320 + 20 + 30,
> +	.htotal = 320 + 20 + 30 + 38,
> +	.vdisplay = 240,
> +	.vsync_start = 240 + 4,
> +	.vsync_end = 240 + 4 + 3,
> +	.vtotal = 240 + 4 + 3 + 15,
> +	.vrefresh = 60,
> +};
> +
> +static const struct panel_desc lemaker_bl035 = {
> +	.modes = &lemaker_bl035_mode,
> +	.num_modes = 1,
> +	.size = {
> +		.width = 70,
> +		.height = 52,
> +	},
> +	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
> +	.bus_flags = DRM_BUS_FLAG_DE_LOW,
> +};
> +
>  static const struct drm_display_mode lg_lb070wv8_mode = {
>  	.clock = 33246,
>  	.hdisplay = 800,
> @@ -2456,6 +2480,9 @@ static const struct of_device_id platform_of_match[] = {
>  	}, {
>  		.compatible = "kyo,tcg121xglp",
>  		.data = &kyo_tcg121xglp,
> +	}, {
> +		.compatible = "lemaker,bl035",
> +		.data = &lemaker_bl035,

You should document that new compatible. Also, where is this name
coming from? Is it the name it's sold under? something you came up
with?

Thanks,
Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com



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