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([2a01:e0a:982:cbb0:b15b:4b56:592a:c397]) by smtp.gmail.com with ESMTPSA id z9-20020a5d44c9000000b0022917d58603sm12975630wrr.32.2022.10.19.00.24.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 19 Oct 2022 00:24:04 -0700 (PDT) Message-ID: Date: Wed, 19 Oct 2022 09:24:03 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.1 From: Neil Armstrong Subject: Re: [PATCH] arm64: dts: meson: Enable active coling using gpio-fan on Odroid N2/N2+ Content-Language: en-US To: Martin Blumenstingl , Anand Moon Cc: Rob Herring , Krzysztof Kozlowski , Kevin Hilman , Jerome Brunet , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org References: <20221018195122.8877-1-linux.amoon@gmail.com> Organization: Linaro Developer Services In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221019_002410_355104_6082BA3B X-CRM114-Status: GOOD ( 16.86 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: neil.armstrong@linaro.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Hi, On 18/10/2022 23:16, Martin Blumenstingl wrote: > Hello Anand, > > On Tue, Oct 18, 2022 at 9:53 PM Anand Moon wrote: >> >> Odroid N2/N2+ support active cooling via gpio-fan controller. >> Add fan controls and tip point for cpu and ddr thermal sensor >> on this boards. > In the schematics for board rev 0.6 [0] I cannot find any information > about a fan connector. > The schematics for board rev 0.3 [1] on the other hand document a PWM > based fan connector on page 16. It seems the fan connector is on page 41 on rev 0.6 and it seems to be the same. > So now I am not sure whether your patch only applies to certain board > revisions, the schematics are incorrect, etc. > > Can you please provide some details about the fan connector on > Odroid-N2/N2+ and which hardware revisions are supported (and which > aren't) by your patch? > > > Thank you! > Martin > > > [0] https://dn.odroid.com/S922X/ODROID-N2/Schematic/odroid-n2_rev0.6_20210121.pdf > [1] https://dn.odroid.com/S922X/ODROID-N2/Schematic/odroid-n2_rev0.3_20190117.pdf Neil _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic