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From: Jun Li <lijun.kernel@gmail.com>
To: Amelie Delaunay <amelie.delaunay@st.com>
Cc: "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>,
	Heikki Krogerus <heikki.krogerus@linux.intel.com>,
	Alexandre Torgue <alexandre.torgue@st.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Linux USB List <linux-usb@vger.kernel.org>,
	Russell King <linux@armlinux.org.uk>,
	lkml <linux-kernel@vger.kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Fabrice Gasnier <fabrice.gasnier@st.com>,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [RESEND PATCH v2 1/6] dt-bindings: connector: add power-opmode optional property to usb-connector
Date: Wed, 23 Sep 2020 17:08:30 +0800	[thread overview]
Message-ID: <CAKgpwJWPWFF_yWC0N_7qPONpWCN8U8tKVJ5Ctr1DGqXd_FyWkA@mail.gmail.com> (raw)
In-Reply-To: <20200902075707.9052-2-amelie.delaunay@st.com>

Amelie Delaunay <amelie.delaunay@st.com> 于2020年9月2日周三 下午4:01写道：
>
> Power operation mode may depends on hardware design, so, add the optional
> property power-opmode for usb-c connector to select the power operation
> mode capability.
>
> Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
> ---
> Changes in v2:
> - Add description for possible operation current values
> ---
>  .../bindings/connector/usb-connector.yaml     | 20 +++++++++++++++++++
>  1 file changed, 20 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml
> index 9bd52e63c935..2fd85b9a7e1a 100644
> --- a/Documentation/devicetree/bindings/connector/usb-connector.yaml
> +++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml
> @@ -88,6 +88,26 @@ properties:
>        - device
>        - dual
>
> +  power-opmode:
> +    description: Determines the power operation mode that the Type C connector
> +      will support and will advertise through CC pins.
> +      - "default" corresponds to default USB voltage and current defined by the
> +        USB 2.0 and USB 3.2 specifications, 5V 500mA for USB 2.0 ports and
> +        5V 900mA or 1500mA for USB 3.2 ports in single-lane or dual-lane
> +        operation respectively.
> +      - "1.5A" and "3.0A", 5V 1.5A and 5V 3.0A respectively, as defined in USB
> +        Type-C Cable and Connector specification, when Power Delivery is not
> +        supported.
> +      - "usb_power_delivery" when Power Delivery is supported, as defined in
> +        USB Power Delivery specification.

Why need "usb_power_delivery"? isn't this information can be implied by
existing properties like if "source-pdos" is present?

Li Jun
> +    allOf:
> +      - $ref: /schemas/types.yaml#definitions/string
> +    enum:
> +      - default
> +      - 1.5A
> +      - 3.0A
> +      - usb_power_delivery
> +
>    # The following are optional properties for "usb-c-connector" with power
>    # delivery support.
>    source-pdos:
> --
> 2.17.1
>

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  reply	other threads:[~2020-09-23  9:10 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-02  7:57 [RESEND PATCH v2 0/6] Add STUSB160x Type-C port controller support Amelie Delaunay
2020-09-02  7:57 ` [RESEND PATCH v2 1/6] dt-bindings: connector: add power-opmode optional property to usb-connector Amelie Delaunay
2020-09-23  9:08   ` Jun Li [this message]
2020-09-23  9:31     ` Amelie DELAUNAY
2020-09-23 10:33       ` Jun Li
2020-09-02  7:57 ` [RESEND PATCH v2 2/6] usb: typec: add typec_find_pwr_opmode Amelie Delaunay
2020-09-02  7:57 ` [RESEND PATCH v2 3/6] dt-bindings: usb: Add DT bindings for STUSB160x Type-C controller Amelie Delaunay
2020-09-02  7:57 ` [RESEND PATCH v2 4/6] usb: typec: add support for STUSB160x Type-C controller family Amelie Delaunay
2020-09-02  7:57 ` [RESEND PATCH v2 5/6] ARM: dts: stm32: add STUSB1600 Type-C using I2C4 on stm32mp15xx-dkx Amelie Delaunay
2020-09-02  7:57 ` [RESEND PATCH v2 6/6] ARM: multi_v7_defconfig: enable STUSB160X Type-C port controller support Amelie Delaunay

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