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Date: Thu, 23 Jan 2020 13:33:35 +0000
From: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
To: Marcel Ziswiler <marcel@...wiler.com>
CC: Thierry Reding <thierry.reding@...il.com>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"info@...ictechno.com" <info@...ictechno.com>,
"j.bauer@...rich.com" <j.bauer@...rich.com>,
Sam Ravnborg <sam@...nborg.org>,
"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
Marcel Ziswiler <marcel.ziswiler@...adex.com>,
Philippe Schenker <philippe.schenker@...adex.com>,
Daniel Vetter <daniel@...ll.ch>,
David Airlie <airlied@...ux.ie>
Subject: Re: [PATCH v4 3/3] drm/panel: simple: add display timings for logic
technologies displays
On Mon, Jan 20, 2020 at 10:02 AM Marcel Ziswiler <marcel@...wiler.com> wrote:
>
> From: Marcel Ziswiler <marcel.ziswiler@...adex.com>
>
> Add display timings for the following 3 display panels manufactured by
> Logic Technologies Limited:
>
> - LT161010-2NHC e.g. as found in the Toradex Capacitive Touch Display
> 7" Parallel [1]
> - LT161010-2NHR e.g. as found in the Toradex Resistive Touch Display 7"
> Parallel [2]
> - LT170410-2WHC e.g. as found in the Toradex Capacitive Touch Display
> 10.1" LVDS [3]
>
> Those panels may also be distributed by Endrich Bauelemente Vertriebs
> GmbH [4].
>
> [1] https://docs.toradex.com/104497-7-inch-parallel-capacitive-touch-display-800x480-datasheet.pdf
> [2] https://docs.toradex.com/104498-7-inch-parallel-resistive-touch-display-800x480.pdf
> [3] https://docs.toradex.com/105952-10-1-inch-lvds-capacitive-touch-display-1280x800-datasheet.pdf
> [4] https://www.endrich.com/isi50_isi30_tft-displays/lt170410-1whc_isi30
>
> Signed-off-by: Marcel Ziswiler <marcel.ziswiler@...adex.com>
> Reviewed-by: Philippe Schenker <philippe.schenker@...adex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
>
> ---
>
> Changes in v4:
> - Added recently made mandatory connector_type information as pointed
> out by Sam.
>
> Changes in v3:
> - Fix typo in pixelclock frequency for lt170410_2whc as recently
> discovered by Philippe.
>
> Changes in v2:
> - Added Philippe's reviewed-by.
>
> drivers/gpu/drm/panel/panel-simple.c | 67 ++++++++++++++++++++++++++++
> 1 file changed, 67 insertions(+)
>
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index d6f77bc494c7..a0dd84e11db7 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -2107,6 +2107,64 @@ static const struct panel_desc lg_lp129qe = {
> },
> };
>
> +static const struct display_timing logictechno_lt161010_2nh_timing = {
> + .pixelclock = { 26400000, 33300000, 46800000 },
> + .hactive = { 800, 800, 800 },
> + .hfront_porch = { 16, 210, 354 },
> + .hback_porch = { 46, 46, 46 },
> + .hsync_len = { 1, 20, 40 },
> + .vactive = { 480, 480, 480 },
> + .vfront_porch = { 7, 22, 147 },
> + .vback_porch = { 23, 23, 23 },
> + .vsync_len = { 1, 10, 20 },
> + .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
> + DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE |
> + DISPLAY_FLAGS_SYNC_POSEDGE,
> +};
> +
> +static const struct panel_desc logictechno_lt161010_2nh = {
> + .timings = &logictechno_lt161010_2nh_timing,
> + .num_timings = 1,
> + .size = {
> + .width = 154,
> + .height = 86,
> + },
> + .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
> + .bus_flags = DRM_BUS_FLAG_DE_HIGH |
> + DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE |
> + DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE,
> + .connector_type = DRM_MODE_CONNECTOR_DPI,
> +};
> +
> +static const struct display_timing logictechno_lt170410_2whc_timing = {
> + .pixelclock = { 68900000, 71100000, 73400000 },
> + .hactive = { 1280, 1280, 1280 },
> + .hfront_porch = { 23, 60, 71 },
> + .hback_porch = { 23, 60, 71 },
> + .hsync_len = { 15, 40, 47 },
> + .vactive = { 800, 800, 800 },
> + .vfront_porch = { 5, 7, 10 },
> + .vback_porch = { 5, 7, 10 },
> + .vsync_len = { 6, 9, 12 },
> + .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
> + DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE |
> + DISPLAY_FLAGS_SYNC_POSEDGE,
> +};
> +
> +static const struct panel_desc logictechno_lt170410_2whc = {
> + .timings = &logictechno_lt170410_2whc_timing,
> + .num_timings = 1,
> + .size = {
> + .width = 217,
> + .height = 136,
> + },
> + .bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
> + .bus_flags = DRM_BUS_FLAG_DE_HIGH |
> + DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE |
> + DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE,
> + .connector_type = DRM_MODE_CONNECTOR_LVDS,
> +};
> +
> static const struct drm_display_mode mitsubishi_aa070mc01_mode = {
> .clock = 30400,
> .hdisplay = 800,
> @@ -3417,6 +3475,15 @@ static const struct of_device_id platform_of_match[] = {
> }, {
> .compatible = "logicpd,type28",
> .data = &logicpd_type_28,
> + }, {
> + .compatible = "logictechno,lt161010-2nhc",
> + .data = &logictechno_lt161010_2nh,
> + }, {
> + .compatible = "logictechno,lt161010-2nhr",
> + .data = &logictechno_lt161010_2nh,
> + }, {
> + .compatible = "logictechno,lt170410-2whc",
> + .data = &logictechno_lt170410_2whc,
> }, {
> .compatible = "mitsubishi,aa070mc01-ca1",
> .data = &mitsubishi_aa070mc01,
> --
> 2.24.1
>
--
Best regards
Oleksandr Suvorov
Toradex AG
Altsagenstrasse 5 | 6048 Horw/Luzern | Switzerland | T: +41 41 500
4800 (main line)
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