From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D66C0C2D0CF for ; Mon, 16 Dec 2019 08:55:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B7BDB2075A for ; Mon, 16 Dec 2019 08:55:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726818AbfLPIzd (ORCPT ); Mon, 16 Dec 2019 03:55:33 -0500 Received: from metis.ext.pengutronix.de ([85.220.165.71]:32967 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726772AbfLPIzd (ORCPT ); Mon, 16 Dec 2019 03:55:33 -0500 Received: from pty.hi.pengutronix.de ([2001:67c:670:100:1d::c5]) by metis.ext.pengutronix.de with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1igmA2-0003x9-Gv; Mon, 16 Dec 2019 09:55:26 +0100 Received: from mfe by pty.hi.pengutronix.de with local (Exim 4.89) (envelope-from ) id 1igmA1-0001w3-8N; Mon, 16 Dec 2019 09:55:25 +0100 Date: Mon, 16 Dec 2019 09:55:25 +0100 From: Marco Felsch 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 Message-ID: <20191216085525.csr2aglm5md4vtsw@pengutronix.de> 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191212165124.GJ4310@sirena.org.uk> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 09:40:13 up 30 days, 23:58, 39 users, load average: 0.04, 0.06, 0.08 User-Agent: NeoMutt/20170113 (1.7.2) X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c5 X-SA-Exim-Mail-From: mfe@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-gpio@vger.kernel.org Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org 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