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[66.90.144.107]) by smtp.gmail.com with ESMTPSA id t129-20020aca5f87000000b00328a1be5c3asm4122689oib.25.2022.05.16.11.16.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 May 2022 11:16:40 -0700 (PDT) Received: (nullmailer pid 3014196 invoked by uid 1000); Mon, 16 May 2022 18:16:39 -0000 Date: Mon, 16 May 2022 13:16:39 -0500 From: Rob Herring To: Chris Packham Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, krzysztof.kozlowski+dt@linaro.org, andrew@lunn.ch, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] dt-bindings: net: orion-mdio: Convert to JSON schema Message-ID: <20220516181639.GB2997786-robh@kernel.org> References: <20220505210621.3637268-1-chris.packham@alliedtelesis.co.nz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220505210621.3637268-1-chris.packham@alliedtelesis.co.nz> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 06, 2022 at 09:06:20AM +1200, Chris Packham wrote: > Convert the marvell,orion-mdio binding to JSON schema. > > Signed-off-by: Chris Packham > --- > > Notes: > This does throw up the following dtbs_check warnings for turris-mox: > > arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dtb: mdio@32004: switch0@10:reg: [[16], [0]] is too long > From schema: Documentation/devicetree/bindings/net/marvell,orion-mdio.yaml > arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dtb: mdio@32004: switch0@2:reg: [[2], [0]] is too long > From schema: Documentation/devicetree/bindings/net/marvell,orion-mdio.yaml > arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dtb: mdio@32004: switch1@11:reg: [[17], [0]] is too long > From schema: Documentation/devicetree/bindings/net/marvell,orion-mdio.yaml > arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dtb: mdio@32004: switch1@2:reg: [[2], [0]] is too long > From schema: Documentation/devicetree/bindings/net/marvell,orion-mdio.yaml > arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dtb: mdio@32004: switch2@12:reg: [[18], [0]] is too long > From schema: Documentation/devicetree/bindings/net/marvell,orion-mdio.yaml > arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dtb: mdio@32004: switch2@2:reg: [[2], [0]] is too long > From schema: Documentation/devicetree/bindings/net/marvell,orion-mdio.yaml > > I think they're all genuine but I'm hesitant to leap in and fix them > without being able to test them. > > I also need to set unevaluatedProperties: true to cater for the L2 > switch on turris-mox (and probably others). That might be better tackled > in the core mdio.yaml schema but I wasn't planning on touching that. > > Changes in v2: > - Add Andrew as maintainer (thanks for volunteering) > > .../bindings/net/marvell,orion-mdio.yaml | 60 +++++++++++++++++++ > .../bindings/net/marvell-orion-mdio.txt | 54 ----------------- > 2 files changed, 60 insertions(+), 54 deletions(-) > create mode 100644 Documentation/devicetree/bindings/net/marvell,orion-mdio.yaml > delete mode 100644 Documentation/devicetree/bindings/net/marvell-orion-mdio.txt > > diff --git a/Documentation/devicetree/bindings/net/marvell,orion-mdio.yaml b/Documentation/devicetree/bindings/net/marvell,orion-mdio.yaml > new file mode 100644 > index 000000000000..fe3a3412f093 > --- /dev/null > +++ b/Documentation/devicetree/bindings/net/marvell,orion-mdio.yaml > @@ -0,0 +1,60 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/net/marvell,orion-mdio.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Marvell MDIO Ethernet Controller interface > + > +maintainers: > + - Andrew Lunn > + > +description: | > + The Ethernet controllers of the Marvel Kirkwood, Dove, Orion5x, MV78xx0, > + Armada 370, Armada XP, Armada 7k and Armada 8k have an identical unit that > + provides an interface with the MDIO bus. Additionally, Armada 7k and Armada > + 8k has a second unit which provides an interface with the xMDIO bus. This > + driver handles these interfaces. > + > +allOf: > + - $ref: "mdio.yaml#" > + > +properties: > + compatible: > + enum: > + - marvell,orion-mdio > + - marvell,xmdio > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + clocks: > + minItems: 1 > + maxItems: 4 Really this should be better defined, but the original was not. > + > +required: > + - compatible > + - reg > + > +unevaluatedProperties: true This must be false. > + > +examples: > + - | > + mdio@d0072004 { > + compatible = "marvell,orion-mdio"; > + reg = <0xd0072004 0x4>; > + #address-cells = <1>; > + #size-cells = <0>; > + interrupts = <30>; > + > + phy0: ethernet-phy@0 { > + reg = <0>; > + }; > + > + phy1: ethernet-phy@1 { > + reg = <1>; > + }; > + }; > diff --git a/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt b/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt > deleted file mode 100644 > index 3f3cfc1d8d4d..000000000000 > --- a/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt > +++ /dev/null > @@ -1,54 +0,0 @@ > -* Marvell MDIO Ethernet Controller interface > - > -The Ethernet controllers of the Marvel Kirkwood, Dove, Orion5x, > -MV78xx0, Armada 370, Armada XP, Armada 7k and Armada 8k have an > -identical unit that provides an interface with the MDIO bus. > -Additionally, Armada 7k and Armada 8k has a second unit which > -provides an interface with the xMDIO bus. This driver handles > -these interfaces. > - > -Required properties: > -- compatible: "marvell,orion-mdio" or "marvell,xmdio" > -- reg: address and length of the MDIO registers. When an interrupt is > - not present, the length is the size of the SMI register (4 bytes) > - otherwise it must be 0x84 bytes to cover the interrupt control > - registers. > - > -Optional properties: > -- interrupts: interrupt line number for the SMI error/done interrupt > -- clocks: phandle for up to four required clocks for the MDIO instance > - > -The child nodes of the MDIO driver are the individual PHY devices > -connected to this MDIO bus. They must have a "reg" property given the > -PHY address on the MDIO bus. > - > -Example at the SoC level without an interrupt property: > - > -mdio { > - #address-cells = <1>; > - #size-cells = <0>; > - compatible = "marvell,orion-mdio"; > - reg = <0xd0072004 0x4>; > -}; > - > -Example with an interrupt property: > - > -mdio { > - #address-cells = <1>; > - #size-cells = <0>; > - compatible = "marvell,orion-mdio"; > - reg = <0xd0072004 0x84>; > - interrupts = <30>; > -}; > - > -And at the board level: > - > -mdio { > - phy0: ethernet-phy@0 { > - reg = <0>; > - }; > - > - phy1: ethernet-phy@1 { > - reg = <1>; > - }; > -} > -- > 2.36.0 > >