linux-kernel - Re: [PATCH v17, 1/2] yaml: Add dm9051 SPI network yaml file

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Message-ID: <Yf2jhudUnk4k69TE@robh.at.kernel.org>
Date:   Fri, 4 Feb 2022 16:07:02 -0600
From:   Rob Herring <robh@...nel.org>
To:     Joseph CHAMG <josright123@...il.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, joseph_chang@...icom.com.tw,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, andy.shevchenko@...il.com,
        andrew@...n.ch, leon@...nel.org
Subject: Re: [PATCH v17, 1/2] yaml: Add dm9051 SPI network yaml file

On Thu, Feb 03, 2022 at 02:12:47AM +0800, Joseph CHAMG wrote:
> From: JosephCHANG <josright123@...il.com>
> 
> This is a new yaml base data file for configure davicom dm9051 with
> device tree

Please address my comments on v13 that still apply.

> 
> Cc: Rob Herring <robh@...nel.org>
> Signed-off-by: JosephCHANG <josright123@...il.com>
> ---
>  .../bindings/net/davicom,dm9051.yaml          | 62 +++++++++++++++++++
>  1 file changed, 62 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/davicom,dm9051.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/davicom,dm9051.yaml b/Documentation/devicetree/bindings/net/davicom,dm9051.yaml
> new file mode 100644
> index 000000000000..52e852fef753
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/davicom,dm9051.yaml
> @@ -0,0 +1,62 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/davicom,dm9051.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Davicom DM9051 SPI Ethernet Controller
> +
> +maintainers:
> +  - Joseph CHANG <josright123@...il.com>
> +
> +description: |
> +  The DM9051 is a fully integrated and cost-effective low pin count single
> +  chip Fast Ethernet controller with a Serial Peripheral Interface (SPI).
> +
> +allOf:
> +  - $ref: ethernet-controller.yaml#
> +
> +properties:
> +  compatible:
> +    const: davicom,dm9051
> +
> +  reg:
> +    maxItems: 1
> +
> +  spi-max-frequency:
> +    maximum: 45000000
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  local-mac-address: true
> +
> +  mac-address: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - spi-max-frequency
> +  - interrupts
> +
> +additionalProperties: false
> +
> +examples:
> +  # Raspberry Pi platform
> +  - |
> +    /* for Raspberry Pi with pin control stuff for GPIO irq */
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    #include <dt-bindings/gpio/gpio.h>
> +    spi {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        ethernet@0 {
> +            compatible = "davicom,dm9051";
> +            reg = <0>; /* spi chip select */
> +            local-mac-address = [00 00 00 00 00 00];
> +            interrupt-parent = <&gpio>;
> +            interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
> +            spi-max-frequency = <31200000>;
> +        };
> +    };
> -- 
> 2.20.1
> 
>