[PATCH v12 3/6] drm/panel: simple: Add support for NEC NL4827HC19-05B 480x272 panel

[Jianwei Wang]

This adds support for the NEC NL4827HC19-05B 480x272 panel to the DRM
simple panel driver.

Signed-off-by: Alison Wang <b18965@xxxxxxxxxxxxx>
Signed-off-by: Xiubo Li <lixiubo@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Jianwei Wang <jianwei.wang.chn@xxxxxxxxx>
Acked-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
 .../bindings/panel/nec,nl4827hc19_05b.txt          |  7 ++++++
 drivers/gpu/drm/panel/panel-simple.c               | 26 ++++++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/panel/nec,nl4827hc19_05b.txt

diff --git a/Documentation/devicetree/bindings/panel/nec,nl4827hc19_05b.txt b/Documentation/devicetree/bindings/panel/nec,nl4827hc19_05b.txt
new file mode 100644
index 0000000..20e9473
--- /dev/null
+++ b/Documentation/devicetree/bindings/panel/nec,nl4827hc19_05b.txt
@@ -0,0 +1,7 @@
+NEC LCD Technologies,Ltd. WQVGA TFT LCD panel
+
+Required properties:
+- compatible: should be "nec,nl4827hc19_05b"
+
+This binding is compatible with the simple-panel binding, which is specified
+in simple-panel.txt in this directory.
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index f94201b..db61dd1 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -943,6 +943,29 @@ static const struct panel_desc lg_lp129qe = {
 	},
 };
 
+static const struct drm_display_mode nec_nl4827hc19_05b_mode = {
+	.clock = 10870,
+	.hdisplay = 480,
+	.hsync_start = 480 + 2,
+	.hsync_end = 480 + 2 + 41,
+	.htotal = 480 + 2 + 41 + 2,
+	.vdisplay = 272,
+	.vsync_start = 272 + 2,
+	.vsync_end = 272 + 2 + 4,
+	.vtotal = 272 + 2 + 4 + 2,
+	.vrefresh = 74,
+};
+
+static const struct panel_desc nec_nl4827hc19_05b = {
+	.modes = &nec_nl4827hc19_05b_mode,
+	.num_modes = 1,
+	.size = {
+		.width = 95,
+		.height = 54,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB888_1X24
+};
+
 static const struct drm_display_mode ortustech_com43h4m85ulc_mode  = {
 	.clock = 25000,
 	.hdisplay = 480,
@@ -1113,6 +1136,9 @@ static const struct of_device_id platform_of_match[] = {
 		.compatible = "lg,lp129qe",
 		.data = &lg_lp129qe,
 	}, {
+		.compatible = "nec,nl4827hc19_05b",
+		.data = &nec_nl4827hc19_05b,
+	}, {
 		.compatible = "ortustech,com43h4m85ulc",
 		.data = &ortustech_com43h4m85ulc,
 	}, {
-- 
2.1.0.27.g96db324

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