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 Acked-by: Daniel Vetter daniel.vetter@ffwll.ch --- .../bindings/panel/nec,nl4827hc19_05b.txt | 7 ++++++ .../devicetree/bindings/vendor-prefixes.txt | 1 + MAINTAINERS | 1 + drivers/gpu/drm/panel/panel-simple.c | 26 ++++++++++++++++++++++ 4 files changed, 35 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/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..e191ded 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3410,6 +3410,7 @@ M: Alison Wang alison.wang@freescale.com L: dri-devel@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..eb12fe4 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 = 95, + .height = 54, + }, + .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 */ } };