[PATCH RE-RESEND 1/2] drm/panel: Add support for Armadeus ST0700 Adapt

[Fabio Estevam]

[Adding Sam, who is helping to review/collect panel-simple patches]

On Tue, May 7, 2019 at 12:27 PM Sébastien Szymanski
<sebastien.szymanski at armadeus.com> wrote:
>
> This patch adds support for the Armadeus ST0700 Adapt. It comes with a
> Santek ST0700I5Y-RBSLW 7.0" WVGA (800x480) TFT and an adapter board so
> that it can be connected on the TFT header of Armadeus Dev boards.
>
> Cc: stable at vger.kernel.org # v4.19
> Reviewed-by: Rob Herring <robh at kernel.org>
> Signed-off-by: Sébastien Szymanski <sebastien.szymanski at armadeus.com>
> ---
>  .../display/panel/armadeus,st0700-adapt.txt   |  9 ++++++
>  drivers/gpu/drm/panel/panel-simple.c          | 29 +++++++++++++++++++
>  2 files changed, 38 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt
>
> diff --git a/Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt b/Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt
> new file mode 100644
> index 000000000000..a30d63db3c8f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt
> @@ -0,0 +1,9 @@
> +Armadeus ST0700 Adapt. A Santek ST0700I5Y-RBSLW 7.0" WVGA (800x480) TFT with
> +an adapter board.
> +
> +Required properties:
> +- compatible: "armadeus,st0700-adapt"
> +- power-supply: see panel-common.txt
> +
> +Optional properties:
> +- backlight: see panel-common.txt
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index 9e8218f6a3f2..45ca8d10b66f 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -446,6 +446,32 @@ static const struct panel_desc ampire_am800480r3tmqwa1h = {
>         .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
>  };
>
> +static const struct display_timing santek_st0700i5y_rbslw_f_timing = {
> +       .pixelclock = { 26400000, 33300000, 46800000 },
> +       .hactive = { 800, 800, 800 },
> +       .hfront_porch = { 16, 210, 354 },
> +       .hback_porch = { 45, 36, 6 },
> +       .hsync_len = { 1, 10, 40 },
> +       .vactive = { 480, 480, 480 },
> +       .vfront_porch = { 7, 22, 147 },
> +       .vback_porch = { 22, 13, 3 },
> +       .vsync_len = { 1, 10, 20 },
> +       .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
> +               DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE
> +};
> +
> +static const struct panel_desc armadeus_st0700_adapt = {
> +       .timings = &santek_st0700i5y_rbslw_f_timing,
> +       .num_timings = 1,
> +       .bpc = 6,
> +       .size = {
> +               .width = 154,
> +               .height = 86,
> +       },
> +       .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
> +       .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_POSEDGE,
> +};
> +
>  static const struct drm_display_mode auo_b101aw03_mode = {
>         .clock = 51450,
>         .hdisplay = 1024,
> @@ -2544,6 +2570,9 @@ static const struct of_device_id platform_of_match[] = {
>         }, {
>                 .compatible = "arm,rtsm-display",
>                 .data = &arm_rtsm,
> +       }, {
> +               .compatible = "armadeus,st0700-adapt",
> +               .data = &armadeus_st0700_adapt,
>         }, {
>                 .compatible = "auo,b101aw03",
>                 .data = &auo_b101aw03,
> --
> 2.19.2
>