Add a property to control mipi tx drive current:
"drive-strength-microamp"
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
Signed-off-by: Jitao Shi <jitao.shi@xxxxxxxxxxxx>
---
.../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 {
--
2.21.0
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