[PATCH v6 2/4] drm/panel: simple: Add support for NEC NL4827HC19-05B 480x272 panel

Jianwei Wang
2015-07-10T07:26:53Z

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

Signed-off-by: Jianwei Wang <jianwei.wang@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@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@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