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[23.244.200.70]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4eba37d68e9sm81382761cf.8.2025.10.28.16.23.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Oct 2025 16:23:59 -0700 (PDT) Date: Tue, 28 Oct 2025 19:23:58 -0400 From: Joshua Milas To: Michael Opdenacker Cc: Inochi Amaoto , robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, unicorn_wang@outlook.com, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, alexander.sverdlin@gmail.com, rabenda.cn@gmail.com, thomas.bonnefille@bootlin.com, chao.wei@sophgo.com, liujingqi@lanxincomputing.com, devicetree@vger.kernel.org, sophgo@lists.linux.dev, linux-riscv@lists.infradead.org Subject: Re: [PATCH 2/3] arm64: dts: sophgo: add initial Milk-V Duo S board support Message-ID: References: <20251011014811.28521-1-josh.milas@gmail.com> <20251011014811.28521-3-josh.milas@gmail.com> <4bdad288-250b-4e94-abea-eb231fba5beb@rootcommit.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4bdad288-250b-4e94-abea-eb231fba5beb@rootcommit.com> Hello Michael, Thanks for your explanation, I didn't know it might cause an error. My plan is it enable i2c4, uart0, and spi3 since those are the default on the pinctrl mux. I have tested uart0 and i2c4, but I am getting an error with SPI [ 2.423553] dw_spi_mmio 41b0000.spi: DMA init failed Not sure what is going on. I have the DMA controller enabled and it seems to be initalizing correctly. [ 0.732791] dw_axi_dmac_platform 4330000.dma-controller: DesignWare AXI DMA Controller, 8 channels Let me submit v3 so I can get some eyes on it. Thanks, - Joshua Milas