| Message ID | 20200225114730.124939-2-jitao.shi@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Config mipi tx drive current and impedance | expand |
On Tue, Feb 25, 2020 at 07:47:27PM +0800, Jitao Shi wrote: > Add a property to control mipi tx drive current: > "mipitx-current-drive" 'dt-bindings: display: ...' for the subject prefix. > > Signed-off-by: Jitao Shi <jitao.shi@mediatek.com> > --- > .../devicetree/bindings/display/mediatek/mediatek,dsi.txt | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt > index a19a6cc375ed..780201ddcd5c 100644 > --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt > +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt > @@ -33,6 +33,9 @@ Required properties: > - #clock-cells: must be <0>; > - #phy-cells: must be <0>. > > +Optional properties: > +- mipitx-current-drive: adjust driving current, should be 1 ~ 0xF Perhaps should be a common property and use the existing 'drive-strength-microamp'. > + > Example: > > mipi_tx0: mipi-dphy@10215000 { > @@ -42,6 +45,7 @@ mipi_tx0: mipi-dphy@10215000 { > clock-output-names = "mipi_tx0_pll"; > #clock-cells = <0>; > #phy-cells = <0>; > + mipitx-current-drive = <0x8>; > }; > > dsi0: dsi@1401b000 { > -- > 2.21.0
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt index a19a6cc375ed..780201ddcd5c 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt @@ -33,6 +33,9 @@ Required properties: - #clock-cells: must be <0>; - #phy-cells: must be <0>. +Optional properties: +- mipitx-current-drive: adjust driving current, should be 1 ~ 0xF + Example: mipi_tx0: mipi-dphy@10215000 { @@ -42,6 +45,7 @@ mipi_tx0: mipi-dphy@10215000 { clock-output-names = "mipi_tx0_pll"; #clock-cells = <0>; #phy-cells = <0>; + mipitx-current-drive = <0x8>; }; dsi0: dsi@1401b000 {
Add a property to control mipi tx drive current: "mipitx-current-drive" Signed-off-by: Jitao Shi <jitao.shi@mediatek.com> --- .../devicetree/bindings/display/mediatek/mediatek,dsi.txt | 4 ++++ 1 file changed, 4 insertions(+)