netdev - Re: [net-next v5 1/6] dt-bindings: net: Add MTIP L2 switch description

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Message-ID: <bc818477-509d-4561-905a-743feeea6a74@gmx.net>
Date: Wed, 16 Apr 2025 20:46:40 +0200
From: Stefan Wahren <wahrenst@....net>
To: Lukasz Majewski <lukma@...x.de>, Andrew Lunn <andrew+netdev@...n.ch>,
 davem@...emloft.net, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>
Cc: Sascha Hauer <s.hauer@...gutronix.de>,
 Pengutronix Kernel Team <kernel@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>,
 Richard Cochran <richardcochran@...il.com>, netdev@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
 Simon Horman <horms@...nel.org>
Subject: Re: [net-next v5 1/6] dt-bindings: net: Add MTIP L2 switch
 description

Hi Lukasz,

Am 14.04.25 um 16:01 schrieb Lukasz Majewski:
> This patch provides description of the MTIP L2 switch available in some
> NXP's SOCs - e.g. imx287.
>
> Signed-off-by: Lukasz Majewski <lukma@...x.de>
> ---
> Changes for v2:
> - Rename the file to match exactly the compatible
>    (nxp,imx287-mtip-switch)
>
> Changes for v3:
> - Remove '-' from const:'nxp,imx287-mtip-switch'
> - Use '^port@[12]+$' for port patternProperties
> - Drop status = "okay";
> - Provide proper indentation for 'example' binding (replace 8
>    spaces with 4 spaces)
> - Remove smsc,disable-energy-detect; property
> - Remove interrupt-parent and interrupts properties as not required
> - Remove #address-cells and #size-cells from required properties check
> - remove description from reg:
> - Add $ref: ethernet-switch.yaml#
>
> Changes for v4:
> - Use $ref: ethernet-switch.yaml#/$defs/ethernet-ports and remove already
>    referenced properties
> - Rename file to nxp,imx28-mtip-switch.yaml
>
> Changes for v5:
> - Provide proper description for 'ethernet-port' node
> ---
>   .../bindings/net/nxp,imx28-mtip-switch.yaml   | 141 ++++++++++++++++++
>   1 file changed, 141 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/net/nxp,imx28-mtip-switch.yaml
>
> diff --git a/Documentation/devicetree/bindings/net/nxp,imx28-mtip-switch.yaml b/Documentation/devicetree/bindings/net/nxp,imx28-mtip-switch.yaml
> new file mode 100644
> index 000000000000..6f2b5a277ac2
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/nxp,imx28-mtip-switch.yaml
> @@ -0,0 +1,141 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/nxp,imx28-mtip-switch.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NXP SoC Ethernet Switch Controller (L2 MoreThanIP switch)
> +
> +maintainers:
> +  - Lukasz Majewski <lukma@...x.de>
> +
> +description:
> +  The 2-port switch ethernet subsystem provides ethernet packet (L2)
> +  communication and can be configured as an ethernet switch. It provides the
> +  reduced media independent interface (RMII), the management data input
> +  output (MDIO) for physical layer device (PHY) management.
> +
> +$ref: ethernet-switch.yaml#/$defs/ethernet-ports
> +
> +properties:
> +  compatible:
> +    const: nxp,imx28-mtip-switch
> +
> +  reg:
> +    maxItems: 1
> +
> +  phy-supply:
> +    description:
> +      Regulator that powers Ethernet PHYs.
> +
> +  clocks:
> +    items:
> +      - description: Register accessing clock
> +      - description: Bus access clock
> +      - description: Output clock for external device - e.g. PHY source clock
> +      - description: IEEE1588 timer clock
> +
> +  clock-names:
> +    items:
> +      - const: ipg
> +      - const: ahb
> +      - const: enet_out
> +      - const: ptp
> +
> +  interrupts:
> +    items:
> +      - description: Switch interrupt
> +      - description: ENET0 interrupt
> +      - description: ENET1 interrupt
sorry for the late suggestion, but can we have additional 
interrupt-names here, please?