Hi, Jitao:
On Fri, 2020-02-21 at 19:28 +0800, Jitao Shi wrote:
Add decriptions about supported chips, including MT2701 & MT8173 & mt8183
- Add more chips support. ex. MT2701 & MT8173 & MT8183
- Add property "dpi_pin_mode_swap" and "pinctrl-names" gpio mode dpi mode and gpio oupput-low to avoid leakage current.
- Add property "dpi_dual_edge" to config the dpi pin output mode dual edge or single edge sample data.
Signed-off-by: Jitao Shi jitao.shi@mediatek.com
.../bindings/display/mediatek/mediatek,dpi.txt | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt index b6a7e7397b8b..cd6a1469c8b7 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt @@ -7,6 +7,7 @@ output bus.
Required properties:
- compatible: "mediatek,<chip>-dpi"
- the supported chips are mt2701 , mt8173 and mt8183.
- reg: Physical base address and length of the controller's registers
- interrupts: The interrupt signal from the function block.
- clocks: device clocks
@@ -16,6 +17,11 @@ Required properties: Documentation/devicetree/bindings/graph.txt. This port should be connected to the input port of an attached HDMI or LVDS encoder chip.
+Optional properties: +- dpi_pin_mode_swap: Swap the pin mode between dpi mode and gpio mode.
When you have both pinctrl-name of "gpiomode" and "dpimode", it imply that dpi_pin_mode_swap = true, isn't it? If so, I think this property is redundant.
Regards, CK
+- pinctrl-names: Contain "gpiomode" and "dpimode". +- dpi_dual_edge: Control the RGB 24bit data on 12 pins or 24 pins.
Example:
dpi0: dpi@1401d000 { @@ -26,6 +32,11 @@ dpi0: dpi@1401d000 { <&mmsys CLK_MM_DPI_ENGINE>, <&apmixedsys CLK_APMIXED_TVDPLL>; clock-names = "pixel", "engine", "pll";
dpi_dual_edge;
dpi_pin_mode_swap;
pinctrl-names = "gpiomode", "dpimode";
pinctrl-0 = <&dpi_pin_gpio>;
pinctrl-1 = <&dpi_pin_func>;
port { dpi0_out: endpoint {