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

Signed-off-by: Jianwei Wang <jianwei.wang at freescale.com>
---
 .../bindings/panel/nec,nl4827hc19_05b.txt          |  8 +++++++
 .../devicetree/bindings/vendor-prefixes.txt        |  1 +
 MAINTAINERS                                        |  1 +
 drivers/gpu/drm/panel/panel-simple.c               | 26 ++++++++++++++++++++++
 4 files changed, 36 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..6f6dbdd
--- /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/Documentation/devicetree/bindings/vendor-prefixes.txt 
b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 8033919..9f22b3e 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -131,6 +131,7 @@ mundoreader Mundo Reader S.L.
 murata Murata Manufacturing Co., Ltd.
 mxicy  Macronix International Co., Ltd.
 national       National Semiconductor
+nec    NEC LCD Technologies, Ltd.
 neonode                Neonode Inc.
 netgear        NETGEAR
 netlogic       Broadcom Corporation (formerly NetLogic Microsystems)
diff --git a/MAINTAINERS b/MAINTAINERS
index b25b948..9047c2b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3410,6 +3410,7 @@ M:        Alison Wang <alison.wang at freescale.com>
 L:     dri-devel at lists.freedesktop.org
 S:     Supported
 F:     drivers/gpu/drm/fsl-dcu/
+F:     Documentation/devicetree/bindings/panel/nec,nl4827hc19_05b.txt

 DRM DRIVERS FOR NVIDIA TEGRA
 M:     Thierry Reding <thierry.reding at gmail.com>
diff --git a/drivers/gpu/drm/panel/panel-simple.c 
b/drivers/gpu/drm/panel/panel-simple.c
index f94201b..eee95f4 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1036,6 +1036,29 @@ static const struct panel_desc shelly_sca07010_bfn_lnn = 
{
        .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
 };

+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 = 480,
+               .height = 272,
+       },
+       .bus_format = MEDIA_BUS_FMT_RGB888_1X24
+};
+
 static const struct of_device_id platform_of_match[] = {
        {
                .compatible = "ampire,am800480r3tmqwa1h",
@@ -1125,6 +1148,9 @@ static const struct of_device_id platform_of_match[] = {
                .compatible = "shelly,sca07010-bfn-lnn",
                .data = &shelly_sca07010_bfn_lnn,
        }, {
+               .compatible = "nec,nl4827hc19_05b",
+               .data = &nec_nl4827hc19_05b,
+       }, {
                /* sentinel */
        }
 };
--
2.1.0.27.g96db324

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