[PATCH 3/3] drm/panel: simple: add CMT430B19N00 LCD panel support

Neil Armstrong neil.armstrong at linaro.org
Mon Feb 26 08:22:23 UTC 2024


On 23/02/2024 14:45, Jérémie Dautheribes wrote:
> Add support for Crystal Clear Technology CMT430B19N00 4.3" 480x272
> TFT-LCD panel.
> 
> Signed-off-by: Jérémie Dautheribes <jeremie.dautheribes at bootlin.com>
> ---
>   drivers/gpu/drm/panel/panel-simple.c | 29 ++++++++++++++++++++++++++++
>   1 file changed, 29 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index 20e3df1c59d4..b940220f56e2 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -1457,6 +1457,32 @@ static const struct panel_desc boe_hv070wsa = {
>   	.connector_type = DRM_MODE_CONNECTOR_LVDS,
>   };
>   
> +static const struct drm_display_mode cct_cmt430b19n00_mode = {
> +	.clock = 9000,
> +	.hdisplay = 480,
> +	.hsync_start = 480 + 43,
> +	.hsync_end = 480 + 43 + 8,
> +	.htotal = 480 + 43 + 8 + 4,
> +	.vdisplay = 272,
> +	.vsync_start = 272 + 12,
> +	.vsync_end = 272 + 12 + 8,
> +	.vtotal = 272 + 12 + 8 + 4,
> +	.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
> +};
> +
> +static const struct panel_desc cct_cmt430b19n00 = {
> +	.modes = &cct_cmt430b19n00_mode,
> +	.num_modes = 1,
> +	.bpc = 8,
> +	.size = {
> +		.width = 95,
> +		.height = 53,
> +	},
> +	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
> +	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE,
> +	.connector_type = DRM_MODE_CONNECTOR_DPI,
> +};
> +
>   static const struct drm_display_mode cdtech_s043wq26h_ct7_mode = {
>   	.clock = 9000,
>   	.hdisplay = 480,
> @@ -4402,6 +4428,9 @@ static const struct of_device_id platform_of_match[] = {
>   	}, {
>   		.compatible = "boe,hv070wsa-100",
>   		.data = &boe_hv070wsa
> +	}, {
> +		.compatible = "cct,cmt430b19n00",
> +		.data = &cct_cmt430b19n00,
>   	}, {
>   		.compatible = "cdtech,s043wq26h-ct7",
>   		.data = &cdtech_s043wq26h_ct7,

Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>


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