This adds support for the NEC NL4827HC19-05B 480x272 panel to the DRM simple panel driver.
Signed-off-by: Alison Wang b18965@freescale.com Signed-off-by: Xiubo Li lixiubo@cmss.chinamobile.com Signed-off-by: Jianwei Wang jianwei.wang.chn@gmail.com Acked-by: Daniel Vetter daniel.vetter@ffwll.ch --- .../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@lists.freedesktop.org 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@pengutronix.de 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, }, {