linux-kernel - [PATCH 3/3] drm/panel: simple: Add support for the Frida FRD350H54004 panel

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Message-Id: <20191120171027.1102250-3-paul@crapouillou.net>
Date:   Wed, 20 Nov 2019 18:10:27 +0100
From:   Paul Cercueil <paul@...pouillou.net>
To:     Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     od@...c.me, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH 3/3] drm/panel: simple: Add support for the Frida FRD350H54004 panel

The FRD350H54004 is a simple 3.5" 320x240 24-bit TFT panel, found for
instance inside the Anbernic RG-350 handheld gaming console.

Signed-off-by: Paul Cercueil <paul@...pouillou.net>
---
 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 28fa6ba7b767..8c03f7fe461c 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1378,6 +1378,32 @@ static const struct panel_desc evervision_vgg804821 = {
 	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_NEGEDGE,
 };
 
+static const struct drm_display_mode frida_frd350h54004_mode = {
+	.clock = 6777,
+	.hdisplay = 320,
+	.hsync_start = 320 + 70,
+	.hsync_end = 320 + 70 + 50,
+	.htotal = 320 + 70 + 50 + 10,
+	.vdisplay = 240,
+	.vsync_start = 240 + 5,
+	.vsync_end = 240 + 5 + 1,
+	.vtotal = 240 + 5 + 1 + 5,
+	.vrefresh = 60,
+	.flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
+};
+
+static const struct panel_desc frida_frd350h54004 = {
+	.modes = &frida_frd350h54004_mode,
+	.num_modes = 1,
+	.bpc = 8,
+	.size = {
+		.width = 77,
+		.height = 64,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_POSEDGE,
+};
+
 static const struct drm_display_mode foxlink_fl500wvr00_a0t_mode = {
 	.clock = 32260,
 	.hdisplay = 800,
@@ -3186,6 +3212,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "evervision,vgg804821",
 		.data = &evervision_vgg804821,
+	}, {
+		.compatible = "frida,frd350h54004",
+		.data = &frida_frd350h54004,
 	}, {
 		.compatible = "foxlink,fl500wvr00-a0t",
 		.data = &foxlink_fl500wvr00_a0t,
-- 
2.24.0