linux-kernel - [PATCH 2/2] drm/panel: simple: add EDT ET057023UDBA panel

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Message-Id: <20260113-v6-18-topic-panel-simple-et057023udba-v1-2-54ad218ee52b@pengutronix.de>
Date: Tue, 13 Jan 2026 13:18:38 +0100
From: Marco Felsch <m.felsch@...gutronix.de>
To: Neil Armstrong <neil.armstrong@...aro.org>, 
 Jessica Zhang <jessica.zhang@....qualcomm.com>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Thierry Reding <thierry.reding@...il.com>, Sam Ravnborg <sam@...nborg.org>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, kernel@...gutronix.de, 
 Marco Felsch <m.felsch@...gutronix.de>
Subject: [PATCH 2/2] drm/panel: simple: add EDT ET057023UDBA panel

Add support for the EDT ET057023UDBA 5.7" 24-bit 640x480 DPI panel.

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 0019de93be1b663f55b04160606363cd043ab38b..0f135eb35aa4302e9a33d91f29d1ad5c9959ced0 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -2096,6 +2096,35 @@ static const struct panel_desc edt_et057090dhu = {
 	.connector_type = DRM_MODE_CONNECTOR_DPI,
 };
 
+static const struct display_timing edt_et057023udba_timing = {
+	.pixelclock = { 23200000, 24190000, 39640000 },
+	.hactive = { 640, 640, 640 },
+	.hfront_porch = { 20, 40, 200 },
+	.hback_porch = { 87, 40, 1 },
+	.hsync_len = { 1, 48, 87 },
+	.vactive = { 480, 480, 480 },
+	.vfront_porch = { 5, 13, 200 },
+	.vback_porch = { 31, 31, 29 },
+	.vsync_len = { 1, 1, 3 },
+	.flags = DISPLAY_FLAGS_VSYNC_LOW | DISPLAY_FLAGS_HSYNC_LOW |
+		 DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE |
+		 DISPLAY_FLAGS_SYNC_POSEDGE,
+};
+
+static const struct panel_desc edt_et057023udba = {
+	.timings = &edt_et057023udba_timing,
+	.num_timings = 1,
+	.bpc = 8,
+	.size = {
+		.width = 115,
+		.height = 86,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE |
+		     DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE,
+	.connector_type = DRM_MODE_CONNECTOR_DPI,
+};
+
 static const struct drm_display_mode edt_etm0700g0dh6_mode = {
 	.clock = 33260,
 	.hdisplay = 800,
@@ -5112,6 +5141,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "edt,et057090dhu",
 		.data = &edt_et057090dhu,
+	}, {
+		.compatible = "edt,et057023udba",
+		.data = &edt_et057023udba,
 	}, {
 		.compatible = "edt,et070080dh6",
 		.data = &edt_etm0700g0dh6,

-- 
2.47.3