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drm/panel: simple: Add support for Rocktech RK070ER9427 LCD panel

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This adds support for the Rocktech Display Ltd. RK070ER9427
800(RGB)x480 TFT LCD panel, which can be supported by the
simple panel driver.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180607134648.2902-1-jagan@amarulasolutions.com
This commit is contained in:
Jagan Teki 2018-06-07 19:16:48 +05:30 committed by Thierry Reding
parent 85b5bafb86
commit 23167fa9a5
2 changed files with 58 additions and 0 deletions
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25
Documentation/devicetree/bindings/display/panel/rocktech,rk070er9427.txt Normal file
View file

@ -0,0 +1,25 @@
Rocktech Display Ltd. RK070ER9427 800(RGB)x480 TFT LCD panel
This binding is compatible with the simple-panel binding, which is specified
in simple-panel.txt in this directory.
Required properties:
- compatible: should be "rocktech,rk070er9427"
Optional properties:
- backlight: phandle of the backlight device attached to the panel
Optional nodes:
- Video port for LCD panel input.
Example:
panel {
compatible = "rocktech,rk070er9427";
backlight = <&backlight_lcd>;
port {
lcd_panel_in: endpoint {
remote-endpoint = <&lcd_display_out>;
};
};
};

33
drivers/gpu/drm/panel/panel-simple.c
View file

@ -1747,6 +1747,36 @@ static const struct panel_desc qd43003c0_40 = {
.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
};
static const struct display_timing rocktech_rk070er9427_timing = {
.pixelclock = { 26400000, 33300000, 46800000 },
.hactive = { 800, 800, 800 },
.hfront_porch = { 16, 210, 354 },
.hback_porch = { 46, 46, 46 },
.hsync_len = { 1, 1, 1 },
.vactive = { 480, 480, 480 },
.vfront_porch = { 7, 22, 147 },
.vback_porch = { 23, 23, 23 },
.vsync_len = { 1, 1, 1 },
.flags = DISPLAY_FLAGS_DE_HIGH,
};
static const struct panel_desc rocktech_rk070er9427 = {
.timings = &rocktech_rk070er9427_timing,
.num_timings = 1,
.bpc = 6,
.size = {
.width = 154,
.height = 86,
},
.delay = {
.prepare = 41,
.enable = 50,
.unprepare = 41,
.disable = 50,
},
.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
};
static const struct drm_display_mode samsung_lsn122dl01_c01_mode = {
.clock = 271560,
.hdisplay = 2560,
@ -2283,6 +2313,9 @@ static const struct of_device_id platform_of_match[] = {
}, {
.compatible = "qiaodian,qd43003c0-40",
.data = &qd43003c0_40,
}, {
.compatible = "rocktech,rk070er9427",
.data = &rocktech_rk070er9427,
}, {
.compatible = "samsung,lsn122dl01-c01",
.data = &samsung_lsn122dl01_c01,