diff mbox series

[v5,1/4] dt-bindings: display: mediatek: add property to control mipi tx drive current

Message ID 20200410043248.114384-2-jitao.shi@mediatek.com (mailing list archive)
State New, archived
Headers show
Series Config mipi tx current and impedance | expand

Commit Message

Jitao Shi April 10, 2020, 4:32 a.m. UTC 
Add a property to control mipi tx drive current:
"drive-strength-microamp"

Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
---
 .../devicetree/bindings/display/mediatek/mediatek,dsi.txt    | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

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 {