netdev - Re: [PATCH v2 net-next 1/2] dt-bindings: net: airoha: Add EN7581 ethernet controller

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Date: Wed, 19 Jun 2024 08:42:50 +0200
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: Conor Dooley <conor@...nel.org>
Cc: netdev@...r.kernel.org, nbd@....name, lorenzo.bianconi83@...il.com,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, linux-arm-kernel@...ts.infradead.org,
	robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org, devicetree@...r.kernel.org,
	catalin.marinas@....com, will@...nel.org, upstream@...oha.com,
	angelogioacchino.delregno@...labora.com,
	benjamin.larsson@...exis.eu, linux-clk@...r.kernel.org,
	rkannoth@...vell.com, sgoutham@...vell.com, andrew@...n.ch
Subject: Re: [PATCH v2 net-next 1/2] dt-bindings: net: airoha: Add EN7581
 ethernet controller

> On Tue, Jun 18, 2024 at 09:49:02AM +0200, Lorenzo Bianconi wrote:
> > Introduce device-tree binding documentation for Airoha EN7581 ethernet
> > mac controller.
> > 
> > Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
> > ---
> > This patch is based on the following one not applied yet on clk tree:
> > dt-bindings: clock: airoha: Add reset support to EN7581 clock binding
> > https://patchwork.kernel.org/project/linux-clk/patch/ac557b6f4029cb3428d4c0ed1582d0c602481fb6.1718282056.git.lorenzo@kernel.org/
> 
> Why introduce that dep? What's here is just an example, you can use the
> "raw" numbers (or any made up numbers really) and not have to depend on
> that.

ack, fine. I will fix it in v3.

Regards,
Lorenzo

> 
> Thanks,
> Conor.
> 
> > ---
> >  .../bindings/net/airoha,en7581.yaml           | 106 ++++++++++++++++++
> >  1 file changed, 106 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/net/airoha,en7581.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/net/airoha,en7581.yaml b/Documentation/devicetree/bindings/net/airoha,en7581.yaml
> > new file mode 100644
> > index 000000000000..09e7b5eed3ae
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/net/airoha,en7581.yaml
> > @@ -0,0 +1,106 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/net/airoha,en7581.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Airoha EN7581 Frame Engine Ethernet controller
> > +
> > +allOf:
> > +  - $ref: ethernet-controller.yaml#
> > +
> > +maintainers:
> > +  - Lorenzo Bianconi <lorenzo@...nel.org>
> > +
> > +description:
> > +  The frame engine ethernet controller can be found on Airoha SoCs.
> > +  These SoCs have dual GMAC ports.
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - airoha,en7581-eth
> > +
> > +  reg:
> > +    items:
> > +      - description: Frame engine base address
> > +      - description: QDMA0 base address
> > +      - description: QDMA1 base address
> > +
> > +  reg-names:
> > +    items:
> > +      - const: fe
> > +      - const: qdma0
> > +      - const: qdma1
> > +
> > +  interrupts:
> > +    maxItems: 10
> > +
> > +  resets:
> > +    maxItems: 7
> > +
> > +  reset-names:
> > +    items:
> > +      - const: fe
> > +      - const: pdma
> > +      - const: qdma
> > +      - const: xsi-mac
> > +      - const: hsi0-mac
> > +      - const: hsi1-mac
> > +      - const: hsi-mac
> > +
> > +  "#address-cells":
> > +    const: 1
> > +
> > +  "#size-cells":
> > +    const: 0
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - interrupts
> > +  - resets
> > +  - reset-names
> > +
> > +unevaluatedProperties: false
> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> > +    #include <dt-bindings/interrupt-controller/irq.h>
> > +    #include <dt-bindings/clock/en7523-clk.h>
> > +    #include <dt-bindings/reset/airoha,en7581-reset.h>
> > +
> > +    soc {
> > +      #address-cells = <2>;
> > +      #size-cells = <2>;
> > +
> > +      eth0: ethernet@...50000 {
> 
> The label here is unused and should be removed.
> 
> > +        compatible = "airoha,en7581-eth";
> > +        reg = <0 0x1fb50000 0 0x2600>,
> > +              <0 0x1fb54000 0 0x2000>,
> > +              <0 0x1fb56000 0 0x2000>;
> > +        reg-names = "fe", "qdma0", "qdma1";
> > +
> 
> Unusual whitespace.
> 
> Those are nits:
> 
> Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
> 
> > +        resets = <&scuclk EN7581_FE_RST>,
> > +                 <&scuclk EN7581_FE_PDMA_RST>,
> > +                 <&scuclk EN7581_FE_QDMA_RST>,
> > +                 <&scuclk EN7581_XSI_MAC_RST>,
> > +                 <&scuclk EN7581_DUAL_HSI0_MAC_RST>,
> > +                 <&scuclk EN7581_DUAL_HSI1_MAC_RST>,
> > +                 <&scuclk EN7581_HSI_MAC_RST>;
> > +        reset-names = "fe", "pdma", "qdma", "xsi-mac",
> > +                      "hsi0-mac", "hsi1-mac", "hsi-mac";
> > +
> > +        interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>,
> > +                     <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
> > +                     <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
> > +                     <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
> > +                     <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>,
> > +                     <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
> > +                     <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>,
> > +                     <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>,
> > +                     <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>,
> > +                     <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
> > +      };
> > +    };
> > -- 
> > 2.45.1
> > 



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