linux-kernel - [PATCH v1] drm/panel: simple: add SGD GKTW70SDAD1SD

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Date:   Sat, 19 Dec 2020 13:44:12 +0100
From:   Oliver Graute <oliver.graute@...il.com>
To:     thierry.reding@...il.com
Cc:     sam@...nborg.org, m.felsch@...gutronix.de, festevam@...il.com,
        Oliver Graute <oliver.graute@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1] drm/panel: simple: add SGD GKTW70SDAD1SD

Add support for the Solomon Goldentek Display Model: GKTW70SDAD1SD
to panel-simple.

The panel spec from Variscite can be found at:
https://www.variscite.com/wp-content/uploads/2017/12/VLCD-CAP-GLD-RGB.pdf

Signed-off-by: Oliver Graute <oliver.graute@...il.com>
---

panel-timing {
		clock-frequency = <35000000>;
		hactive = <800>;
		vactive = <480>;
		hback-porch = <39>;
		hfront-porch = <39>;
		vback-porch = <29>;
		vfront-porch = <13>;
		hsync-len = <48>;
		vsync-len = <3>;
		hsync-active = <0>;
		vsync-active = <0>;
		de-active = <1>;
		pixelclk-active = <0>;
	};

 drivers/gpu/drm/panel/panel-simple.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index c1374be..c2f20ac 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -3139,6 +3139,29 @@ static const struct panel_desc satoz_sat050at40h12r2 = {
 	.connector_type = DRM_MODE_CONNECTOR_LVDS,
 };
 
+static const struct display_timing sgd_gktw70sdad1sd_timing = {
+	.pixelclock = {35000000, 35000000, 35000000},
+	.hactive = { 800, 800, 800},
+	.hfront_porch = {39, 39, 39},
+	.hback_porch = {39, 39, 39},
+	.hsync_len = {48, 48, 48},
+	.vactive = {480, 480, 480},
+	.vfront_porch = {13, 13, 13},
+	.vback_porch = {29, 29, 29},
+	.vsync_len = {3, 3, 3},
+};
+
+static const struct panel_desc sgd_gktw70sdad1sd = {
+	.timings = &sgd_gktw70sdad1sd_timing,
+	.num_timings = 1,
+	.bpc = 8,
+	.size = {
+		.width = 153,
+		.height = 86,
+	},
+	.connector_type = DRM_MODE_CONNECTOR_DPI,
+};
+
 static const struct drm_display_mode sharp_ld_d5116z01b_mode = {
 	.clock = 168480,
 	.hdisplay = 1920,
@@ -3999,6 +4022,9 @@ static const struct of_device_id platform_of_match[] = {
 		.compatible = "satoz,sat050at40h12r2",
 		.data = &satoz_sat050at40h12r2,
 	}, {
+		.compatible = "sgd,gktw70sdad1sd",
+		.data = &sgd_gktw70sdad1sd,
+	}, {
 		.compatible = "sharp,ld-d5116z01b",
 		.data = &sharp_ld_d5116z01b,
 	}, {
-- 
2.7.4