HD702E lcd is FriendlyELEC developed eDP LCD panel with 800x1280 resolution. It has built in Goodix, GT9271 captive touchscreen with backlight adjustable via PWM.
Add support for it.
Cc: Thierry Reding thierry.reding@gmail.com Cc: Sam Ravnborg sam@ravnborg.org Cc: David Airlie airlied@linux.ie Cc: Daniel Vetter daniel@ffwll.ch Cc: dri-devel@lists.freedesktop.org Signed-off-by: Jagan Teki jagan@amarulasolutions.com --- .../display/panel/friendlyarm,hd702e.txt | 29 +++++++++++++++++++ drivers/gpu/drm/panel/panel-simple.c | 26 +++++++++++++++++ 2 files changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/friendlyarm,hd702e.txt
diff --git a/Documentation/devicetree/bindings/display/panel/friendlyarm,hd702e.txt b/Documentation/devicetree/bindings/display/panel/friendlyarm,hd702e.txt new file mode 100644 index 000000000000..67349d7f79be --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/friendlyarm,hd702e.txt @@ -0,0 +1,29 @@ +FriendlyELEC HD702E 800x1280 LCD panel + +HD702E lcd is FriendlyELEC developed eDP LCD panel with 800x1280 +resolution. It has built in Goodix, GT9271 captive touchscreen +with backlight adjustable via PWM. + +Required properties: +- compatible: should be "friendlyarm,hd702e" +- power-supply: regulator to provide the supply voltage + +Optional properties: +- backlight: phandle of the backlight device attached to the panel + +Optional nodes: +- Video port for LCD panel input. + +Example: + + panel { + compatible ="friendlyarm,hd702e"; + backlight = <&backlight>; + power-supply = <&vcc3v3_sys>; + + port { + panel_in_edp: endpoint { + remote-endpoint = <&edp_out_panel>; + }; + }; + }; diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 9e8218f6a3f2..9db3c0c65ef2 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -1184,6 +1184,29 @@ static const struct panel_desc foxlink_fl500wvr00_a0t = { .bus_format = MEDIA_BUS_FMT_RGB888_1X24, };
+static const struct drm_display_mode friendlyarm_hd702e_mode = { + .clock = 67185, + .hdisplay = 800, + .hsync_start = 800 + 20, + .hsync_end = 800 + 20 + 24, + .htotal = 800 + 20 + 24 + 20, + .vdisplay = 1280, + .vsync_start = 1280 + 4, + .vsync_end = 1280 + 4 + 8, + .vtotal = 1280 + 4 + 8 + 4, + .vrefresh = 60, + .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC, +}; + +static const struct panel_desc friendlyarm_hd702e = { + .modes = &friendlyarm_hd702e_mode, + .num_modes = 1, + .size = { + .width = 94, + .height = 151, + }, +}; + static const struct drm_display_mode giantplus_gpg482739qs5_mode = { .clock = 9000, .hdisplay = 480, @@ -2634,6 +2657,9 @@ static const struct of_device_id platform_of_match[] = { }, { .compatible = "edt,etm0700g0edh6", .data = &edt_etm0700g0bdh6, + }, { + .compatible = "friendlyarm,hd702e", + .data = &friendlyarm_hd702e, }, { .compatible = "foxlink,fl500wvr00-a0t", .data = &foxlink_fl500wvr00_a0t,