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Sun, 14 Jan 2024 23:29:08 -0800 (PST) Received: from [192.168.1.20] ([178.197.215.66]) by smtp.gmail.com with ESMTPSA id w17-20020a17090652d100b00a28116285e0sm598698ejn.165.2024.01.14.23.29.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 14 Jan 2024 23:29:08 -0800 (PST) Message-ID: <0b03af70-7dc4-4a4f-b9dc-218ef365c237@linaro.org> Date: Mon, 15 Jan 2024 08:29:06 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 4/5] arm64: dts: add description for solidrun am642 som and evaluation board Content-Language: en-US To: Josua Mayer , Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alessandro Zummo , Alexandre Belloni Cc: Yazan Shhady , "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-rtc@vger.kernel.org" References: <20240112-add-am64-som-v2-0-1385246c428c@solid-run.com> <20240112-add-am64-som-v2-4-1385246c428c@solid-run.com> <60d78882-0ec5-4cd1-b68d-f75b73cb6cdb@linaro.org> <1656bf68-c3b4-476d-984e-f231541058f6@solid-run.com> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 14/01/2024 15:16, Josua Mayer wrote: > Am 12.01.24 um 18:22 schrieb Krzysztof Kozlowski: > >>> + /* PRU Ethernet Controller */ >>> + icssg1_eth: icssg1-eth { >> Node names should be generic. > This name intentionally includes the name of the ip block within am64 soc providing software-defined ethernet controller through coprocessors TI call "pru". Why? This intentionally should not include specific name. Also, wrap your emails at proper length so they will be manageable... >> See also an explanation and list of >> examples (not exhaustive) in DT specification: >> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation >> >> >>> + compatible = "ti,am642-icssg-prueth"; >>> + pinctrl-names = "default"; >>> + pinctrl-0 = <&pru_rgmii1_pins_default>, <&pru_rgmii2_pins_default>; >>> + >>> + sram = <&oc_sram>; >>> + ti,prus = <&pru1_0>, <&rtu1_0>, <&tx_pru1_0>, <&pru1_1>, <&rtu1_1>, <&tx_pru1_1>; >>> + firmware-name = "ti-pruss/am65x-sr2-pru0-prueth-fw.elf", >>> + "ti-pruss/am65x-sr2-rtu0-prueth-fw.elf", >>> + "ti-pruss/am65x-sr2-txpru0-prueth-fw.elf", >>> + "ti-pruss/am65x-sr2-pru1-prueth-fw.elf", >>> + "ti-pruss/am65x-sr2-rtu1-prueth-fw.elf", >>> + "ti-pruss/am65x-sr2-txpru1-prueth-fw.elf"; >>> + >>> + ti,pruss-gp-mux-sel = <2>, /* MII mode */ >>> + <2>, >>> + <2>, >>> + <2>, /* MII mode */ >>> + <2>, >>> + <2>; >>> + >>> + ti,mii-g-rt = <&icssg1_mii_g_rt>; >>> + ti,mii-rt = <&icssg1_mii_rt>; >>> + ti,iep = <&icssg1_iep0>, <&icssg1_iep1>; >>> + >>> + interrupt-parent = <&icssg1_intc>; >>> + interrupts = <24 0 2>, <25 1 3>; >> None of these are typical interrupt constants/flags? >> >>> + interrupt-names = "tx_ts0", "tx_ts1"; >>> + >>> + dmas = <&main_pktdma 0xc200 15>, /* egress slice 0 */ >>> + <&main_pktdma 0xc201 15>, /* egress slice 0 */ >>> + <&main_pktdma 0xc202 15>, /* egress slice 0 */ >>> + <&main_pktdma 0xc203 15>, /* egress slice 0 */ >>> + <&main_pktdma 0xc204 15>, /* egress slice 1 */ >>> + <&main_pktdma 0xc205 15>, /* egress slice 1 */ >>> + <&main_pktdma 0xc206 15>, /* egress slice 1 */ >>> + <&main_pktdma 0xc207 15>, /* egress slice 1 */ >>> + <&main_pktdma 0x4200 15>, /* ingress slice 0 */ >>> + <&main_pktdma 0x4201 15>, /* ingress slice 1 */ >>> + <&main_pktdma 0x4202 0>, /* mgmnt rsp slice 0 */ >>> + <&main_pktdma 0x4203 0>; /* mgmnt rsp slice 1 */ >>> + dma-names = "tx0-0", "tx0-1", "tx0-2", "tx0-3", >>> + "tx1-0", "tx1-1", "tx1-2", "tx1-3", >>> + "rx0", "rx1"; >>> + >>> + status = "okay"; >> Drop. Didn't you get such comments before? > > Yes, but again I can point to an in-tree example of the same structure. > I see no reason for describing the same thing differently in different places. So if there is a bug, you are going to duplicate it. Please provide real argument why this is needed, not "I saw it somewhere", or drop it. Otherwise it's a NAK from me. > > Please see arch/arm64/boot/dts/ti/k3-am654-idk.dtso > There are only small differences for this feature between am65 and am64. > It's inclusion in the tree was very recent, clearly it was good enough right? > See also my cover letter dtbs_check remark on dmas property. How does dmas matter? What are you talking about? Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel