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SubjectRe: [PATCH v2 net-next 2/4] dt-bindings: net: Add bindings for Qualcomm QCA807x
On Wed, Feb 10, 2021 at 01:55:21PM +0100, Robert Marko wrote:
> Add DT bindings for Qualcomm QCA807x PHYs.
>
> Signed-off-by: Robert Marko <robert.marko@sartura.hr>
> Cc: Luka Perkov <luka.perkov@sartura.hr>
> ---
> Changes in v2:
> * Drop LED properties
> * Directly define PSGMII/QSGMII SerDes driver values
>
> .../devicetree/bindings/net/qcom,qca807x.yaml | 70 +++++++++++++++++++
> 1 file changed, 70 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/net/qcom,qca807x.yaml
>
> diff --git a/Documentation/devicetree/bindings/net/qcom,qca807x.yaml b/Documentation/devicetree/bindings/net/qcom,qca807x.yaml
> new file mode 100644
> index 000000000000..0867f5e698cd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/qcom,qca807x.yaml
> @@ -0,0 +1,70 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/qcom,qca807x.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm QCA807x PHY
> +
> +maintainers:
> + - Robert Marko <robert.marko@sartura.hr>
> +
> +description: |
> + Bindings for Qualcomm QCA807x PHYs
> +
> +allOf:
> + - $ref: ethernet-phy.yaml#
> +
> +properties:
> + reg:
> + maxItems: 1
> +
> + qcom,fiber-enable:
> + description: |
> + If present, then PHYs combo port is configured to operate in combo
> + mode. In combo mode autodetection of copper and fiber media is
> + used in order to support both of them.
> + Combo mode can be strapped as well, if not strapped this property
> + will set combo support anyway.
> + type: boolean
> +
> + qcom,psgmii-az:
> + description: |
> + If present, then PSMGII PHY will advertise 802.3-az support to
> + the MAC.

Sounds like a standard thing that should be common?

> + type: boolean
> +
> + gpio-controller: true
> + "#gpio-cells":
> + const: 2
> +
> + qcom,tx-driver-strength:
> + description: PSGMII/QSGMII SerDes TX driver strength control in mV.

Use standard unit suffix as defined in property-units.txt.

Again, seems like a common property?

> + $ref: /schemas/types.yaml#/definitions/uint32

Then you can drop this.

> + enum: [140, 160, 180, 200, 220, 240, 260, 280, 300, 320, 400, 500, 600]
> +
> + qcom,control-dac:
> + description: Analog MDI driver amplitude and bias current.
> + $ref: /schemas/types.yaml#/definitions/uint32
> + enum: [0, 1, 2, 3, 4, 5, 6, 7]
> +
> +required:
> + - reg
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/net/qcom-qca807x.h>
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethphy0: ethernet-phy@0 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <0>;
> +
> + qcom,control-dac = <QCA807X_CONTROL_DAC_DSP_VOLT_QUARTER_BIAS>;
> + };
> + };
> --
> 2.29.2
>

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