From da2a97323133d0c7caeee399881a590eb8e83c34 Mon Sep 17 00:00:00 2001 From: Jitao Shi Date: Sat, 11 Apr 2020 15:44:05 +0800 Subject: [PATCH] dt-bindings: display: mediatek: add property to control mipi tx drive current Add a property to control mipi tx drive current: "drive-strength-microamp" Signed-off-by: Jitao Shi Reviewed-by: Rob Herring Signed-off-by: Chun-Kuang Hu --- Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt index a19a6cc375ed..d78b6d6d8fab 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt @@ -33,6 +33,10 @@ Required properties: - #clock-cells: must be <0>; - #phy-cells: must be <0>. +Optional properties: +- drive-strength-microamp: adjust driving current, should be 3000 ~ 6000. And + the step is 200. + Example: mipi_tx0: mipi-dphy@10215000 { @@ -42,6 +46,7 @@ mipi_tx0: mipi-dphy@10215000 { clock-output-names = "mipi_tx0_pll"; #clock-cells = <0>; #phy-cells = <0>; + drive-strength-microamp = <4600>; }; dsi0: dsi@1401b000 { -- 2.11.0