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Mon, 16 Dec 2019 16:32:49 +0000 Received: from AM5PR1001MB0994.EURPRD10.PROD.OUTLOOK.COM ([fe80::ed23:3ca0:97ef:c868]) by AM5PR1001MB0994.EURPRD10.PROD.OUTLOOK.COM ([fe80::ed23:3ca0:97ef:c868%10]) with mapi id 15.20.2538.019; Mon, 16 Dec 2019 16:32:49 +0000 From: Adam Thomson To: Marco Felsch , Mark Brown Subject: RE: [PATCH v3 3/6] dt-bindings: mfd: da9062: add regulator voltage selection documentation Thread-Topic: [PATCH v3 3/6] dt-bindings: mfd: da9062: add regulator voltage selection documentation Thread-Index: AQHVptoKIWnW5XGNx0qiesHaa7KQWaeqBMOAgAkpmQCAAfp+EIAAFOMAgAGB2oCAAAM8gIAACD8AgAXEVoCAAH2AQA== Date: Mon, 16 Dec 2019 16:32:48 +0000 Message-ID: References: <20191129172537.31410-1-m.felsch@pengutronix.de> <20191129172537.31410-4-m.felsch@pengutronix.de> <20191204134631.GT1998@sirena.org.uk> <20191210094144.mxximpuouchy3fqu@pengutronix.de> <20191211170918.q7kqkd4lrwwp7jl3@pengutronix.de> <20191212161019.GF4310@sirena.org.uk> <20191212162152.5uu3feacduetysq7@pengutronix.de> <20191212165124.GJ4310@sirena.org.uk> <20191216085525.csr2aglm5md4vtsw@pengutronix.de> In-Reply-To: <20191216085525.csr2aglm5md4vtsw@pengutronix.de> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [165.225.80.228] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: a0bb2da7-145d-41b0-1f1c-08d782459719 x-ms-traffictypediagnostic: AM5PR1001MB1060: x-ms-exchange-sharedmailbox-routingagent-processed: True x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; 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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 > -----Original Message----- > From: Marco Felsch > Sent: 16 December 2019 08:55 > To: Mark Brown > Cc: devicetree@vger.kernel.org; Support Opensource > ; linux-aspeed@lists.ozlabs.org; linux- > gpio@vger.kernel.org; andrew@aj.id.au; linus.walleij@linaro.org; > lgirdwood@gmail.com; linux-kernel@vger.kernel.org; > bgolaszewski@baylibre.com; robh+dt@kernel.org; joel@jms.id.au; > kernel@pengutronix.de; Adam Thomson > ; lee.jones@linaro.org; linux-arm- > kernel@lists.infradead.org > Subject: Re: [PATCH v3 3/6] dt-bindings: mfd: da9062: add regulator voltage > selection documentation > > On 19-12-12 16:51, Mark Brown wrote: > > On Thu, Dec 12, 2019 at 05:21:53PM +0100, Marco Felsch wrote: > > > > > "... what's driving the input ..": > > > Sorry I didn't get you here. What did you mean? The input is driven by > > > the host. This can be any gpio line and in my case it is a gpio line > > > driven by the soc-hw during a suspend operation. > > > > Something needs to say what that thing is, especially if it's runtime > > controllable. In your case from the point of view of software there is > > actually no enable control so we shouldn't be providing an enable > > operation to the framework. > > The enabel control signal is always available, please check [1] table > 63. There is a mux in front of the enable pin so: > > +------------- > Seq. |\ | Regulator > GPI1 | \ | > GPI2 | | -- > Enable > GPI3 | / | > |/ . > . > . > > Adam please correct me if this is wrong. > > [1] https://www.dialog- > semiconductor.com/sites/default/files/da9062_datasheet_3v6.pdf > > Regards, > Marco > > > _______________________________________________ > > linux-arm-kernel mailing list > > linux-arm-kernel@lists.infradead.org > > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel