On Thu, Apr 19, 2018 at 3:02 PM, Chen-Yu Tsai wens@csie.org wrote:
This panel is marketed as Banana Pi 7" LCD display. On the back is a sticker denoting the model name S070WV20-CT16.
This is a 7" 800x480 panel connected through a 24-bit RGB interface. However the panel only does 262k colors.
Signed-off-by: Chen-Yu Tsai wens@csie.org
.../display/panel/bananapi,s070wv20-ct16.txt | 7 ++++++ drivers/gpu/drm/panel/panel-simple.c | 25 +++++++++++++++++++ 2 files changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/bananapi,s070wv20-ct16.txt
diff --git a/Documentation/devicetree/bindings/display/panel/bananapi,s070wv20-ct16.txt b/Documentation/devicetree/bindings/display/panel/bananapi,s070wv20-ct16.txt new file mode 100644 index 000000000000..2ec35ce36e9a --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/bananapi,s070wv20-ct16.txt @@ -0,0 +1,7 @@ +Banana Pi 7" (S070WV20-CT16) TFT LCD Panel
+Required properties: +- compatible: should be "bananapi,s070wv20-ct16"
+This binding is compatible with the simple-panel binding, which is specified +in simple-panel.txt in this directory. diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index cbf1ab404ee7..9bc037f74d6c 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -745,6 +745,28 @@ static const struct panel_desc avic_tm070ddh03 = { }, };
+static const struct drm_display_mode bananapi_s070wv20_ct16_mode = {
.clock = 30000,.hdisplay = 800,.hsync_start = 800 + 40,.hsync_end = 800 + 40 + 48,.htotal = 800 + 40 + 48 + 40,.vdisplay = 480,.vsync_start = 480 + 13,.vsync_end = 480 + 13 + 3,.vtotal = 480 + 13 + 3 + 29,+};
+static const struct panel_desc bananapi_s070wv20_ct16 = {
.modes = &bananapi_s070wv20_ct16_mode,.num_modes = 1,.bpc = 6,.size = {.width = 154,.height = 86,},+};
I think this parallel RGB interface right? I too have same display with DSI I'm sure these setting will not useful right? do we need to write separate panel driver for that?