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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id e81sm8769551oig.8.2018.12.19.08.01.21 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 19 Dec 2018 08:01:21 -0800 (PST) Date: Wed, 19 Dec 2018 10:01:20 -0600 From: Rob Herring To: Chen-Yu Tsai Subject: Re: [PATCH 2/5] dt-bindings: media: sun6i: Add vcc-csi supply property Message-ID: <20181219160120.GB22708@bogus> References: <20181203100747.16442-1-jagan@amarulasolutions.com> <20181203100747.16442-3-jagan@amarulasolutions.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181219_080133_998526_08A330AA X-CRM114-Status: GOOD ( 15.83 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree , Maxime Ripard , linux-kernel , Jagan Teki , Yong Deng , Mauro Carvalho Chehab , linux-arm-kernel , Linux Media Mailing List Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Dec 03, 2018 at 06:11:35PM +0800, Chen-Yu Tsai wrote: > On Mon, Dec 3, 2018 at 6:08 PM Jagan Teki wrote: > > > > Most of the Allwinner A64 CSI controllers are supply with > > VCC-PE pin. which need to supply for some of the boards to > > trigger the power. > > > > So, document the supply property as vcc-csi so-that the required > > board can eable it via device tree. > > > > Used vcc-csi instead of vcc-pe to have better naming convention > > wrt other controller pin supplies. > > This is not related to the CSI controller. It belongs in the pin > controller, but that has its own set of problems like possible > circular dependencies. That might be a better choice, but I think most platforms put the supply in the module node. But that wouldn't work well if the module is not used and you want to use the pins for GPIO or some other function. Maybe we don't hit that property because most I/O supplies are always on. Rob _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel