Allow user add display timing on device tree with simple-panel-dsi
or simple-panel.
Cc: Thierry Reding <thierry.reding at gmail.com>
Cc: Rob Herring <robh+dt at kernel.org>
Cc: Mark Rutland <mark.rutland at arm.com>
Signed-off-by: Mark Yao <mark.yao at rock-chips.com>
---
.../bindings/display/panel/simple-panel.txt | 48 ++++++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/panel/simple-panel.txt
b/Documentation/devicetree/bindings/display/panel/simple-panel.txt
index 1341bbf..bc66970 100644
--- a/Documentation/devicetree/bindings/display/panel/simple-panel.txt
+++ b/Documentation/devicetree/bindings/display/panel/simple-panel.txt
@@ -4,10 +4,22 @@ Required properties:
- power-supply: regulator to provide the supply voltage
Optional properties:
+- compatible: value maybe one of the following
+ "simple-panel";
+ "simple-panel-dsi";
+
- ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
- enable-gpios: GPIO pin to enable or disable the panel
- backlight: phandle of the backlight device attached to the panel
+Required properties when compatible is "simple-panel" or "simple-panel-dsi":
+- display-timings: see display-timing.txt for information
+
+Optional properties when compatible is a dsi devices:
+- dsi,flags: dsi operation mode related flags
+- dsi,format: pixel format for video mode
+- dsi,lanes: number of active data lanes
+
Example:
panel: panel {
@@ -19,3 +31,39 @@ Example:
backlight = <&backlight>;
};
+
+Or:
+ panel: panel {
+ compatible = "simple-panel-dsi";
+ ddc-i2c-bus = <&panelddc>;
+
+ power-supply = <&vdd_pnl_reg>;
+ enable-gpios = <&gpio 90 0>;
+
+ backlight = <&backlight>;
+
+ dsi,flags = <MIPI_DSI_MODE_VIDEO |
+ MIPI_DSI_MODE_VIDEO_BURST |
+ MIPI_DSI_MODE_VIDEO_SYNC_PULSE>;
+ dsi,format = <MIPI_DSI_FMT_RGB888>;
+ dsi,lanes = <4>;
+
+ display-timings {
+ native-mode = <&timing0>;
+ timing0: timing0 {
+ clock-frequency = <160000000>;
+ hactive = <1200>;
+ vactive = <1920>;
+ hback-porch = <21>;
+ hfront-porch = <120>;
+ vback-porch = <18>;
+ vfront-porch = <21>;
+ hsync-len = <20>;
+ vsync-len = <3>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ de-active = <0>;
+ pixelclk-active = <0>;
+ };
+ };
+ };
--
1.9.1
