Message-ID: <74240c25-cbbe-1e72-b56b-13124111b390@linaro.org>
Date:   Wed, 8 Feb 2023 20:54:28 +0100
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Subject: Re: [PATCH net-next v2 6/6] ARM: dts: r9a06g032: describe GMAC1
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To:     =?UTF-8?B?Q2zDqW1lbnQgTMOpZ2Vy?= <clement.leger@bootlin.com>,
        Sergey Shtylyov <s.shtylyov@omp.ru>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Magnus Damm <magnus.damm@gmail.com>,
        Giuseppe Cavallaro <peppe.cavallaro@st.com>,
        Alexandre Torgue <alexandre.torgue@foss.st.com>,
        Jose Abreu <joabreu@synopsys.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Russell King <linux@armlinux.org.uk>,
        Wong Vee Khee <veekhee@apple.com>,
        Kurt Kanzenbach <kurt@linutronix.de>,
        Revanth Kumar Uppala <ruppala@nvidia.com>,
        Tan Tee Min <tee.min.tan@linux.intel.com>
Cc:     Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
        Herve Codina <herve.codina@bootlin.com>,
        =?UTF-8?Q?Miqu=c3=a8l_Raynal?= <miquel.raynal@bootlin.com>,
        Milan Stevanovic <milan.stevanovic@se.com>,
        Jimmy Lalande <jimmy.lalande@se.com>,
        Pascal Eberhard <pascal.eberhard@se.com>,
        Mohammad Athari Bin Ismail <mohammad.athari.ismail@intel.com>,
        Jon Hunter <jonathanh@nvidia.com>, netdev@vger.kernel.org,
        linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        linux-stm32@st-md-mailman.stormreply.com,
        linux-arm-kernel@lists.infradead.org
References: <20230208164203.378153-1-clement.leger@bootlin.com>
 <20230208164203.378153-7-clement.leger@bootlin.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <20230208164203.378153-7-clement.leger@bootlin.com>
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Precedence: bulk

On 08/02/2023 17:42, Clément Léger wrote:
> RZ/N1 SoC includes two MAC named GMACx that are compatible with the
> "snps,dwmac" driver. GMAC1 is connected directly to the MII converter
> port 1. Since this MII converter is represented using a PCS driver, it
> uses the renesas specific compatible driver which uses this PCS.
> 
> Signed-off-by: Clément Léger <clement.leger@bootlin.com>
> ---
>  arch/arm/boot/dts/r9a06g032.dtsi | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/r9a06g032.dtsi b/arch/arm/boot/dts/r9a06g032.dtsi
> index 41e19c0986ce..ba32e4429b01 100644
> --- a/arch/arm/boot/dts/r9a06g032.dtsi
> +++ b/arch/arm/boot/dts/r9a06g032.dtsi
> @@ -304,6 +304,24 @@ dma1: dma-controller@40105000 {
>  			data-width = <8>;
>  		};
>  
> +		gmac1: ethernet@44000000 {
> +			compatible = "renesas,r9a06g032-gmac", "renesas,rzn1-gmac", "snps,dwmac";

Please test your DTS against the binding you send. If you did it, you
would see here that the binding does not work and needs fixes... The
difference between your DTS and your example should also warn you that
it's not correct.

Best regards,
Krzysztof