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Date: Sat, 11 Apr 2020 15:44:05 +0800 From: Jitao Shi <jitao.shi@...iatek.com> To: Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, Matthias Brugger <matthias.bgg@...il.com>, Daniel Vetter <daniel@...ll.ch>, David Airlie <airlied@...ux.ie>, <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org> CC: <linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <srv_heupstream@...iatek.com>, <yingjoe.chen@...iatek.com>, <eddie.huang@...iatek.com>, <cawa.cheng@...iatek.com>, <bibby.hsieh@...iatek.com>, <ck.hu@...iatek.com>, <stonea168@....com>, <huijuan.xie@...iatek.com>, Jitao Shi <jitao.shi@...iatek.com>, Chun-Kuang Hu <chunkuang.hu@...nel.org> Subject: [PATCH v6 1/4] dt-bindings: display: mediatek: add property to control mipi tx drive current Add a property to control mipi tx drive current: "drive-strength-microamp" Reviewed-by: Chun-Kuang Hu <chunkuang.hu@...nel.org> Signed-off-by: Jitao Shi <jitao.shi@...iatek.com> --- .../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@...15000 { @@ -42,6 +46,7 @@ mipi_tx0: mipi-dphy@...15000 { clock-output-names = "mipi_tx0_pll"; #clock-cells = <0>; #phy-cells = <0>; + drive-strength-microamp = <4600>; }; dsi0: dsi@...1b000 { -- 2.21.0
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