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[87.16.233.11]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a630f25943dsm368913966b.41.2024.05.30.02.23.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 May 2024 02:23:47 -0700 (PDT) From: Andrea della Porta X-Google-Original-From: Andrea della Porta Date: Thu, 30 May 2024 11:24:00 +0200 To: Stefan Wahren Cc: Andrea della Porta , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Ray Jui , Scott Branden , Broadcom internal kernel review list , Ulf Hansson , Adrian Hunter , Kamal Dasu , Al Cooper , devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org Subject: Re: [PATCH v4 4/4] arm64: dts: broadcom: Add support for BCM2712 Message-ID: Mail-Followup-To: Stefan Wahren , Andrea della Porta , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Ray Jui , Scott Branden , Broadcom internal kernel review list , Ulf Hansson , Adrian Hunter , Kamal Dasu , Al Cooper , devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org References: <8dd6997394a01317747ca11b4779f586752b4947.1716899600.git.andrea.porta@suse.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: Hi Stefan, On 08:11 Thu 30 May , Stefan Wahren wrote: [cut...] > > + clocks { > > + /* The oscillator is the root of the clock tree. */ > > + clk_osc: clk-osc { > > + compatible = "fixed-clock"; > > + #clock-cells = <0>; > > + clock-output-names = "osc"; > > + clock-frequency = <54000000>; > > + }; > > + > > + clk_vpu: clk-vpu { > > + #clock-cells = <0>; > > + compatible = "fixed-clock"; > > + clock-frequency = <750000000>; > > + clock-output-names = "vpu-clock"; > > + }; > Is the VPU clock really fixed or is it just a workaround for minimal > boot support? Unfortunately I don't have enough insight on this due to lack of documentation. I had to take it by faith from downstream dts. Many thanks, Andrea