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Thu, 14 Aug 2025 23:17:14 -0700 (PDT) Received: from localhost ([2001:250:5800:1000::968a]) by smtp.gmail.com with UTF8SMTPSA id 41be03b00d2f7-b472d5a6df6sm433532a12.1.2025.08.14.23.17.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Aug 2025 23:17:13 -0700 (PDT) Date: Fri, 15 Aug 2025 14:17:10 +0800 From: Zixian Zeng To: Chen Wang , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Inochi Amaoto , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: devicetree@vger.kernel.org, sophgo@lists.linux.dev, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Han Gao Subject: Re: [PATCH 4/4] riscv: dts: sophgo: Enable SPI NOR node for SG2042_EVB_V2 Message-ID: References: <20250813-sfg-spidts-v1-0-99b7e2be89d9@gmail.com> <20250813-sfg-spidts-v1-4-99b7e2be89d9@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250814_231715_622444_77383A2A X-CRM114-Status: GOOD ( 15.12 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Fri, Aug 15, 2025 at 11:56:22AM +0800, Chen Wang wrote: > > On 8/13/2025 4:33 PM, Zixian Zeng wrote: > > Enable SPI NOR node for SG2042_EVB_V2 device tree > > > > Signed-off-by: Han Gao > > Signed-off-by: Zixian Zeng > > --- > > arch/riscv/boot/dts/sophgo/sg2042-evb-v2.dts | 12 ++++++++++++ > > 1 file changed, 12 insertions(+) > > > > diff --git a/arch/riscv/boot/dts/sophgo/sg2042-evb-v2.dts b/arch/riscv/boot/dts/sophgo/sg2042-evb-v2.dts > > index 46980e41b886ce17dacce791fa5f2cef14cfa214..7001d8ffdc3e04c5a5cd5da85a4fb1c0351eb9a5 100644 > > --- a/arch/riscv/boot/dts/sophgo/sg2042-evb-v2.dts > > +++ b/arch/riscv/boot/dts/sophgo/sg2042-evb-v2.dts > > @@ -226,6 +226,18 @@ &sd { > > status = "okay"; > > }; > > > > +&spifmc1 { > > + status = "okay"; > > + > > + flash@0 { > > + compatible = "jedec,spi-nor"; > > + reg = <0>; > > + spi-max-frequency = <100000000>; > > + spi-tx-bus-width = <4>; > > + spi-rx-bus-width = <4>; > > + }; > > +}; > > + > > Only spifmc1 on EVB_V2? What about spifmc0? > Yes, EVB_V2 has only one spifmc1. I have checked schematics which can be opened by OrCAD: https://github.com/sophgo/sophgo-hardware/blob/master/SG2042/SG2042-x4-EVB/sch/SG2042_EVB_V2_20230302A_BOM.DSN https://github.com/sophgo/sophgo-hardware/blob/master/SG2042/SG2042-x8-EVB/SG2042_EVB_V11_20220902_BOM.DSN For your convenience, I have exported them to PDF: https://github.com/sycamoremoon/linux-riscv/tree/schematic > Otherwise: > > Reviewed-by: Chen Wang Thanks for your reviewing. Best Regards, Zixian _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv