2020-04-11 07:45:34

by Jitao Shi

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 <[email protected]>
Signed-off-by: Jitao Shi <[email protected]>
---
.../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

2020-04-19 01:36:04

by Chun-Kuang Hu

Subject: Re: [PATCH v6 1/4] dt-bindings: display: mediatek: add property to control mipi tx drive current

Hi, Rob:

How do you think about this patch? This patch looks good to me.

Regards,
Chun-Kuang.

Jitao Shi <[email protected]> 於 2020年4月11日 週六 下午3:44寫道：
>
> Add a property to control mipi tx drive current:
> "drive-strength-microamp"
>
> Reviewed-by: Chun-Kuang Hu <[email protected]>
> Signed-off-by: Jitao Shi <[email protected]>
> ---
> .../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

2020-04-20 18:48:20

by Rob Herring (Arm)

Subject: Re: [PATCH v6 1/4] dt-bindings: display: mediatek: add property to control mipi tx drive current

On Sat, 11 Apr 2020 15:44:05 +0800, Jitao Shi wrote:
> Add a property to control mipi tx drive current:
> "drive-strength-microamp"
>
> Reviewed-by: Chun-Kuang Hu <[email protected]>
> Signed-off-by: Jitao Shi <[email protected]>
> ---
> .../devicetree/bindings/display/mediatek/mediatek,dsi.txt | 5 +++++
> 1 file changed, 5 insertions(+)
>

Reviewed-by: Rob Herring <[email protected]>