linux-kernel - [PATCH 2/3] drm/panel: simple: add support for the Samsung LTL101AL01 panel

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Date:   Mon, 16 May 2022 21:37:08 +0200
From:   Martin Jücker <martin.juecker@...il.com>
To:     linux-samsung-soc@...r.kernel.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Sam Ravnborg <sam@...nborg.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Martin Jücker <martin.juecker@...il.com>
Subject: [PATCH 2/3] drm/panel: simple: add support for the Samsung LTL101AL01 panel

Add timings and panel description for the Samsung LTL101AL01 panel.

Signed-off-by: Martin Jücker <martin.juecker@...il.com>
---
 drivers/gpu/drm/panel/panel-simple.c | 34 ++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index a34f4198a534..e21f304315e4 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -3073,6 +3073,37 @@ static const struct panel_desc rocktech_rk101ii01d_ct = {
 	.connector_type = DRM_MODE_CONNECTOR_LVDS,
 };
 
+static const struct display_timing samsung_ltl101al01_timing = {
+	.pixelclock = { 66663000, 66663000, 66663000 },
+	.hactive = { 1280, 1280, 1280 },
+	.hfront_porch = { 18, 18, 18 },
+	.hback_porch = { 36, 36, 36 },
+	.hsync_len = { 16, 16, 16 },
+	.vactive = { 800, 800, 800 },
+	.vfront_porch = { 4, 4, 4 },
+	.vback_porch = { 16, 16, 16 },
+	.vsync_len = { 3, 3, 3 },
+	.flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
+};
+
+static const struct panel_desc samsung_ltl101al01 = {
+	.timings = &samsung_ltl101al01_timing,
+	.num_timings = 1,
+	.bpc = 8,
+	.size = {
+		.width = 217,
+		.height = 135,
+	},
+	.delay = {
+		.prepare = 40,
+		.enable = 300,
+		.disable = 200,
+		.unprepare = 600,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
+	.connector_type = DRM_MODE_CONNECTOR_LVDS,
+};
+
 static const struct drm_display_mode samsung_ltn101nt05_mode = {
 	.clock = 54030,
 	.hdisplay = 1024,
@@ -3966,6 +3997,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "rocktech,rk101ii01d-ct",
 		.data = &rocktech_rk101ii01d_ct,
+	}, {
+		.compatible = "samsung,ltl101al01",
+		.data = &samsung_ltl101al01,
 	}, {
 		.compatible = "samsung,ltn101nt05",
 		.data = &samsung_ltn101nt05,
-- 
2.25.1