[PATCH 4/6] drm/panel: simple: Add support for Banana Pi 7" S070WV20-CT16 panel

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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@xxxxxxxx>
---
 .../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,
+	},
+};
+
 static const struct drm_display_mode boe_nv101wxmn51_modes[] = {
 	{
 		.clock = 71900,
@@ -2112,6 +2134,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "avic,tm070ddh03",
 		.data = &avic_tm070ddh03,
+	}, {
+		.compatible = "bananapi,s070wv20-ct16",
+		.data = &bananapi_s070wv20_ct16,
 	}, {
 		.compatible = "boe,nv101wxmn51",
 		.data = &boe_nv101wxmn51,
-- 
2.17.0

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