Re: [RESEND PATCH 1/2] dt-bindings: phy: mediatek,xsphy: add property to set disconnect threshold

From: Conor Dooley
Date: Mon Jan 13 2025 - 13:30:55 EST


On Sat, Jan 11, 2025 at 10:15:41PM +0800, Chunfeng Yun wrote:
> Add a property to tune usb2 phy's disconnect threshold.
> And add a compatible for mt8196.
>
> Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
> ---
> based on kernel 6.13-rc1
>
> this property is porting from t-phy driver, due to the u2 phy are similar.
> ---
> Documentation/devicetree/bindings/phy/mediatek,xsphy.yaml | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/phy/mediatek,xsphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,xsphy.yaml
> index a9e3139fd421..2e012d5e1da1 100644
> --- a/Documentation/devicetree/bindings/phy/mediatek,xsphy.yaml
> +++ b/Documentation/devicetree/bindings/phy/mediatek,xsphy.yaml
> @@ -49,6 +49,7 @@ properties:
> - enum:
> - mediatek,mt3611-xsphy
> - mediatek,mt3612-xsphy
> + - mediatek,mt8196-xsphy
> - const: mediatek,xsphy
>
> reg:
> @@ -129,6 +130,13 @@ patternProperties:
> minimum: 1
> maximum: 7
>
> + mediatek,discth:
> + description:
> + The selection of disconnect threshold (U2 phy)
> + $ref: /schemas/types.yaml#/definitions/uint32
> + minimum: 1
> + maximum: 15

What unit is this? Unitless? How are the values determined?

> +
> mediatek,efuse-intr:
> description:
> The selection of Internal Resistor (U2/U3 phy)
> --
> 2.46.0
>

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