From a299eae07a27fd9a029b900f4f01014ce9eab37c Mon Sep 17 00:00:00 2001
From: Artjom Vejsel <akawolf0@gmail.com>
Date: Wed, 4 Aug 2021 03:23:53 +0300
Subject: drm/panel-simple: add Gopher 2b LCD panel
Git-commit: 49179e6657a252242ee912472c9d9c81a33800a6
Patch-mainline: v5.15-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
The Gopher 2b LCD panel is used in Gopher 2b handhelds.
It's simple panel with NewVision NV3047 driver, but SPI lines are not
connected. It has no specific name, since it's unique to that handheld.
lot name at AliExpress: 4.3 inch 40PIN TFT LCD Screen COG NV3047 Drive
IC 480(RGB)*272 No Touch 24Bit RGB Interface
Signed-off-by: Artjom Vejsel <akawolf0@gmail.com>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20210804002353.76385-4-akawolf0@gmail.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/panel/panel-simple.c | 43 ++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 415fb7138290..959f8c9ed6fb 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -3622,6 +3622,46 @@ static const struct panel_desc qd43003c0_40 = {
.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
};
+static const struct drm_display_mode qishenglong_gopher2b_lcd_modes[] = {
+ { /* 60 Hz */
+ .clock = 10800,
+ .hdisplay = 480,
+ .hsync_start = 480 + 77,
+ .hsync_end = 480 + 77 + 41,
+ .htotal = 480 + 77 + 41 + 2,
+ .vdisplay = 272,
+ .vsync_start = 272 + 16,
+ .vsync_end = 272 + 16 + 10,
+ .vtotal = 272 + 16 + 10 + 2,
+ .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+ },
+ { /* 50 Hz */
+ .clock = 10800,
+ .hdisplay = 480,
+ .hsync_start = 480 + 17,
+ .hsync_end = 480 + 17 + 41,
+ .htotal = 480 + 17 + 41 + 2,
+ .vdisplay = 272,
+ .vsync_start = 272 + 116,
+ .vsync_end = 272 + 116 + 10,
+ .vtotal = 272 + 116 + 10 + 2,
+ .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+ },
+};
+
+static const struct panel_desc qishenglong_gopher2b_lcd = {
+ .modes = qishenglong_gopher2b_lcd_modes,
+ .num_modes = ARRAY_SIZE(qishenglong_gopher2b_lcd_modes),
+ .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,
+ .connector_type = DRM_MODE_CONNECTOR_DPI,
+};
+
static const struct display_timing rocktech_rk070er9427_timing = {
.pixelclock = { 26400000, 33300000, 46800000 },
.hactive = { 800, 800, 800 },
@@ -4689,6 +4729,9 @@ static const struct of_device_id platform_of_match[] = {
}, {
.compatible = "qiaodian,qd43003c0-40",
.data = &qd43003c0_40,
+ }, {
+ .compatible = "qishenglong,gopher2b-lcd",
+ .data = &qishenglong_gopher2b_lcd,
}, {
.compatible = "rocktech,rk070er9427",
.data = &rocktech_rk070er9427,
--
2.38.1