linux-kernel - [PATCH 2/2] drm/panel: simple: Add Jiangsu Smartwin SMMT043480272A-A19 panel

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Date: Wed, 26 Jun 2024 18:17:13 +0200
From: Marco Felsch <m.felsch@...gutronix.de>
To: neil.armstrong@...aro.org,
	quic_jesszhan@...cinc.com,
	sam@...nborg.org,
	maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	tzimmermann@...e.de,
	airlied@...il.com,
	daniel@...ll.ch
Cc: kernel@...gutronix.de,
	Rouven Czerwinski <r.czerwinski@...gutronix.de>,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] drm/panel: simple: Add Jiangsu Smartwin SMMT043480272A-A19 panel

From: Rouven Czerwinski <r.czerwinski@...gutronix.de>

Add support for the Jiangsu Smartwin SMMT043480272A-A19 4.3" 480x272
TFT-LCD panel. The timings are based on the ILI6485 controller IC
datasheet.

Signed-off-by: Rouven Czerwinski <r.czerwinski@...gutronix.de>
Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
---
 drivers/gpu/drm/panel/panel-simple.c | 32 ++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index dcb6d0b6ced0..a06ad2cd76f0 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -2719,6 +2719,35 @@ static const struct panel_desc innolux_zj070na_01p = {
 	},
 };
 
+static const struct display_timing jiangsu_smartwin_smmt043480272a_a19_timing = {
+	.pixelclock = { 8000000, 9000000, 12000000 },
+	.hactive = { 480, 480, 480 },
+	.hback_porch = { 1, 43, 43 },
+	.hfront_porch = { 4, 8, 75 },
+	.hsync_len = { 2, 4, 75 },
+	.vactive = { 272, 272, 272 },
+	.vback_porch = { 2, 12, 12 },
+	.vfront_porch = { 2, 8, 37 },
+	.vsync_len = { 2, 4, 37 },
+	.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 jiangsu_smartwin_smmt043480272a_a19 = {
+	.timings = &jiangsu_smartwin_smmt043480272a_a19_timing,
+	.num_timings = 1,
+	.bpc = 8,
+	.size = {
+		.width = 95,
+		.height = 54,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+	.bus_flags = DRM_BUS_FLAG_DE_HIGH |
+		     DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE |
+		     DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE,
+};
+
 static const struct display_timing koe_tx14d24vm1bpa_timing = {
 	.pixelclock = { 5580000, 5850000, 6200000 },
 	.hactive = { 320, 320, 320 },
@@ -4626,6 +4655,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "innolux,zj070na-01p",
 		.data = &innolux_zj070na_01p,
+	}, {
+		.compatible = "jianda,smmt043480272a-a19",
+		.data = &jiangsu_smartwin_smmt043480272a_a19,
 	}, {
 		.compatible = "koe,tx14d24vm1bpa",
 		.data = &koe_tx14d24vm1bpa,
-- 
2.39.2