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SubjectRe: [PATCH v2 1/2] dt-bindings: phy: Add qcom,dp-manual-pullup description
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On 29/12/2022 19:34, Bryan O'Donoghue wrote:
> The original Qualcomm driver for the HighSpeed USB PHY contains a flag
> which tells the driver that the controller and PHY do not connect to VBUS.
>
> In this case an external IC such as a Type-C port manager supplies VBUS and
> the VBUS signal is not routed to the SoC. This means we cannot detect the
> presence or absence of VBUS and cannot take action based on it.
>
> Document the downstream boolean qcom,dp-manual-pullup to allow the HS PHY
> implement the necessary logic.
>
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
> ---
> Documentation/devicetree/bindings/phy/qcom,usb-hs-phy.yaml | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/phy/qcom,usb-hs-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,usb-hs-phy.yaml
> index aa97478dd0161..c55a59df71ad0 100644
> --- a/Documentation/devicetree/bindings/phy/qcom,usb-hs-phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/qcom,usb-hs-phy.yaml
> @@ -80,6 +80,13 @@ properties:
> the address is offset from the ULPI_EXT_VENDOR_SPECIFIC address
> - description: value
>
> + qcom,dp-manual-pullup:
> + type: boolean
> + description: This flag indicates to the HS USB PHY driver that it should

Drop references to the driver and rephrase it to describe the controller
behavior/feature or the board layout/configuration, not the driver. The
same applies to property name - "manual pullup" is describing driver,
not hardware.

> + enable or disable an internal pullup when powering on or
> + powering off the HS PHY instead of toggling the value when VBUS
> + is absent or present.

Wrong indentation. It's two spaces.

> +
> required:
> - clocks
> - clock-names

Best regards,
Krzysztof

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