linux-kernel - [PATCH v3 3/3] drm/panel: simple: add CMT430B19N00 LCD panel support

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Date: Wed, 13 Mar 2024 18:20:16 +0100
From: Jérémie Dautheribes <jeremie.dautheribes@...tlin.com>
To: Neil Armstrong <neil.armstrong@...aro.org>,
	Jessica Zhang <quic_jesszhan@...cinc.com>,
	Sam Ravnborg <sam@...nborg.org>,
	David Airlie <airlied@...il.com>,
	Daniel Vetter <daniel@...ll.ch>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Thierry Reding <thierry.reding@...il.com>
Cc: dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Yen-Mei Goh <yen-mei.goh@...sight.com>,
	Jérémie Dautheribes <jeremie.dautheribes@...tlin.com>
Subject: [PATCH v3 3/3] drm/panel: simple: add CMT430B19N00 LCD panel support

Add support for Crystal Clear Technology CMT430B19N00 4.3" 480x272
TFT-LCD panel.

Suggested-by: Maxime Ripard <mripard@...nel.org>
Signed-off-by: Jérémie Dautheribes <jeremie.dautheribes@...tlin.com>
---
 drivers/gpu/drm/panel/panel-simple.c | 29 ++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 20e3df1c59d4..d13c42d0f57b 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1457,6 +1457,32 @@ static const struct panel_desc boe_hv070wsa = {
 	.connector_type = DRM_MODE_CONNECTOR_LVDS,
 };
 
+static const struct display_timing cct_cmt430b19n00_timing = {
+	.pixelclock = { 8000000, 9000000, 12000000 },
+	.hactive = { 480, 480, 480 },
+	.hfront_porch = { 2, 8, 75 },
+	.hback_porch = { 3, 43, 43 },
+	.hsync_len = { 2, 4, 75 },
+	.vactive = { 272, 272, 272 },
+	.vfront_porch = { 2, 8, 37 },
+	.vback_porch = { 2, 12, 12 },
+	.vsync_len = { 2, 4, 37 },
+	.flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW
+};
+
+static const struct panel_desc cct_cmt430b19n00 = {
+	.timings = &cct_cmt430b19n00_timing,
+	.num_timings = 1,
+	.bpc = 8,
+	.size = {
+		.width = 95,
+		.height = 53,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE,
+	.connector_type = DRM_MODE_CONNECTOR_DPI,
+};
+
 static const struct drm_display_mode cdtech_s043wq26h_ct7_mode = {
 	.clock = 9000,
 	.hdisplay = 480,
@@ -4402,6 +4428,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "boe,hv070wsa-100",
 		.data = &boe_hv070wsa
+	}, {
+		.compatible = "cct,cmt430b19n00",
+		.data = &cct_cmt430b19n00,
 	}, {
 		.compatible = "cdtech,s043wq26h-ct7",
 		.data = &cdtech_s043wq26h_ct7,
-- 
2.34.1