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[89.183.24.75]) by smtp.gmail.com with ESMTPSA id s19sm2290592eja.54.2020.09.07.10.13.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 07 Sep 2020 10:13:42 -0700 (PDT) Subject: Re: [PATCH] arm64: dts: marvell: espressobin: Add ethernet switch aliases To: =?UTF-8?Q?Pali_Roh=c3=a1r?= , Jason Cooper , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Rob Herring , Tomasz Maciej Nowak References: <20200907112718.5994-1-pali@kernel.org> From: Andre Heider Message-ID: <3ec54259-4bfe-8462-e8d5-083fc009707a@gmail.com> Date: Mon, 7 Sep 2020 19:13:41 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.2.1 MIME-Version: 1.0 In-Reply-To: <20200907112718.5994-1-pali@kernel.org> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200907_131345_616532_1D3AB992 X-CRM114-Status: GOOD ( 22.79 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 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[89.183.24.75]) by smtp.gmail.com with ESMTPSA id s19sm2290592eja.54.2020.09.07.10.13.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 07 Sep 2020 10:13:42 -0700 (PDT) Subject: Re: [PATCH] arm64: dts: marvell: espressobin: Add ethernet switch aliases To: =?UTF-8?Q?Pali_Roh=c3=a1r?= , Jason Cooper , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Rob Herring , Tomasz Maciej Nowak Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20200907112718.5994-1-pali@kernel.org> From: Andre Heider Message-ID: <3ec54259-4bfe-8462-e8d5-083fc009707a@gmail.com> Date: Mon, 7 Sep 2020 19:13:41 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.2.1 MIME-Version: 1.0 In-Reply-To: <20200907112718.5994-1-pali@kernel.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi Pali, On 07/09/2020 13:27, Pali Rohár wrote: > Espressobin boards have 3 ethernet ports and some of them got assigned more > then one MAC address. MAC addresses are stored in U-Boot environment. > > Since commit a2c7023f7075c ("net: dsa: read mac address from DT for slave > device") kernel can use MAC addresses from DT for particular DSA port. > > Currently Espressobin DTS file contains alias just for ethernet0. > > This patch defines additional ethernet aliases in Espressobin DTS files, so > bootloader can fill correct MAC address for DSA switch ports if more MAC > addresses were specified. > > DT alias ethernet1 is used for wan port, DT aliases ethernet2 and ethernet3 > are used for lan ports for both Espressobin revisions (V5 and V7). > > Fixes: 5253cb8c00a6f ("arm64: dts: marvell: espressobin: add ethernet alias") > Signed-off-by: Pali Rohár > --- > .../dts/marvell/armada-3720-espressobin-v7-emmc.dts | 10 ++++++++-- > .../boot/dts/marvell/armada-3720-espressobin-v7.dts | 10 ++++++++-- > .../boot/dts/marvell/armada-3720-espressobin.dtsi | 12 ++++++++---- > 3 files changed, 24 insertions(+), 8 deletions(-) > > diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7-emmc.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7-emmc.dts > index 03733fd92732..215d2f702623 100644 > --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7-emmc.dts > +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7-emmc.dts > @@ -20,17 +20,23 @@ > compatible = "globalscale,espressobin-v7-emmc", "globalscale,espressobin-v7", > "globalscale,espressobin", "marvell,armada3720", > "marvell,armada3710"; > + > + aliases { > + /* ethernet1 is wan port */ > + ethernet1 = &switch0port3; > + ethernet3 = &switch0port1; > + }; > }; > > &switch0 { > ports { > - port@1 { > + switch0port1: port@1 { > reg = <1>; > label = "lan1"; > phy-handle = <&switch0phy0>; > }; > > - port@3 { > + switch0port3: port@3 { > reg = <3>; > label = "wan"; > phy-handle = <&switch0phy2>; My dts-foo is a little rusty, but now that you labeled the ports in the .dtsi, can this whole "switch0" block reduced to something like: &switch0port1 { label = "lan1"; }; &switch0port3 { label = "wan"; }; ? > diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7.dts > index 8570c5f47d7d..b6f4af8ebafb 100644 > --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7.dts > +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7.dts > @@ -19,17 +19,23 @@ > model = "Globalscale Marvell ESPRESSOBin Board V7"; > compatible = "globalscale,espressobin-v7", "globalscale,espressobin", > "marvell,armada3720", "marvell,armada3710"; > + > + aliases { > + /* ethernet1 is wan port */ > + ethernet1 = &switch0port3; > + ethernet3 = &switch0port1; > + }; > }; > > &switch0 { > ports { > - port@1 { > + switch0port1: port@1 { > reg = <1>; > label = "lan1"; > phy-handle = <&switch0phy0>; > }; > > - port@3 { > + switch0port3: port@3 { > reg = <3>; > label = "wan"; > phy-handle = <&switch0phy2>; > diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi > index b97218c72727..0775c16e0ec8 100644 > --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi > +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi > @@ -13,6 +13,10 @@ > / { > aliases { > ethernet0 = ð0; > + /* for dsa slave device */ > + ethernet1 = &switch0port1; > + ethernet2 = &switch0port2; > + ethernet3 = &switch0port3; > serial0 = &uart0; > serial1 = &uart1; > }; > @@ -120,7 +124,7 @@ > #address-cells = <1>; > #size-cells = <0>; > > - port@0 { > + switch0port0: port@0 { This label is unused it seems. Regards, Andre > reg = <0>; > label = "cpu"; > ethernet = <ð0>; > @@ -131,19 +135,19 @@ > }; > }; > > - port@1 { > + switch0port1: port@1 { > reg = <1>; > label = "wan"; > phy-handle = <&switch0phy0>; > }; > > - port@2 { > + switch0port2: port@2 { > reg = <2>; > label = "lan0"; > phy-handle = <&switch0phy1>; > }; > > - port@3 { > + switch0port3: port@3 { > reg = <3>; > label = "lan1"; > phy-handle = <&switch0phy2>; >