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 ++++++
MAINTAINERS | 1 +
drivers/gpu/drm/panel/panel-simple.c | 26 ++++++++++++++++++++++
3 files changed, 34 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/MAINTAINERS b/MAINTAINERS
index dc9d371..5a97a6a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3557,6 +3557,7 @@ L: dri-devel@xxxxxxxxxxxxxxxxxxxxx
S: Supported
F: drivers/gpu/drm/fsl-dcu/
F: Documentation/devicetree/bindings/video/fsl,dcu.txt
+F: Documentation/devicetree/bindings/panel/nec,nl4827hc19_05b.txt
DRM DRIVERS FOR FREESCALE IMX
M: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
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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