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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 D9B67C33CB2 for ; Tue, 14 Jan 2020 15:43:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A8C5C2084D for ; Tue, 14 Jan 2020 15:43:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579016607; bh=ZCTSH+k6xThdH79h0I5oh1zVw+T2m5gqrWX7QMFhKd4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=OqOatmhlT4oDy6ZWDQuB8H2cJXvSnXL6RJI8VW3/cpZ0EKEAbr9guUjr4Ic50kC7Z tkwGAnEe0PFP6E8gHrkCxR6f8pzac6Wwd7D9X6lh3sPzlpN/+ZxrHQI8XslRj5zDqM Bv5xQd7SvH+W//twQ3u2lF+7tsHdc3LX3SvpkCjc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728872AbgANPn0 (ORCPT ); Tue, 14 Jan 2020 10:43:26 -0500 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:49900 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725904AbgANPn0 (ORCPT ); Tue, 14 Jan 2020 10:43:26 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sirena.org.uk; s=20170815-heliosphere; h=In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=ZCTSH+k6xThdH79h0I5oh1zVw+T2m5gqrWX7QMFhKd4=; b=UpQ1WewlV5QqhtFdaZ8w6ORpF 8M9iXrAUdbtW9g5RYjBjRrjEDY4WYvrb7K/SZOdWF5OskeoDuNHqszDZeK8AHaoLAH7unGua0Uiuf Onsb4Voox3RhmYdBl7MgsARFkeAKvNV6JjYHwLu3CouBWfw4L+7XUAqTJXgQDH0Sexj5g=; Received: from fw-tnat-cam7.arm.com ([217.140.106.55] helo=fitzroy.sirena.org.uk) by heliosphere.sirena.org.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1irOLa-0000KP-L6; Tue, 14 Jan 2020 15:43:14 +0000 Received: by fitzroy.sirena.org.uk (Postfix, from userid 1000) id 2CE91D002CB; Tue, 14 Jan 2020 15:43:14 +0000 (GMT) Date: Tue, 14 Jan 2020 15:43:14 +0000 From: Mark Brown To: Marco Felsch Cc: "devicetree@vger.kernel.org" , Support Opensource , "linux-aspeed@lists.ozlabs.org" , "bgolaszewski@baylibre.com" , "andrew@aj.id.au" , "linus.walleij@linaro.org" , "lgirdwood@gmail.com" , "linux-kernel@vger.kernel.org" , "linux-gpio@vger.kernel.org" , "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: <20200114154314.GZ3897@sirena.org.uk> References: <20191212161019.GF4310@sirena.org.uk> <20191212162152.5uu3feacduetysq7@pengutronix.de> <20191212165124.GJ4310@sirena.org.uk> <20191216085525.csr2aglm5md4vtsw@pengutronix.de> <20191216114454.GB4161@sirena.org.uk> <20191217073533.GC31182@pengutronix.de> <20191217125832.GF4755@sirena.org.uk> <20200107083654.atgbjhrnhyax2gqq@pengutronix.de> <20200107130911.GD4877@sirena.org.uk> <20200107133811.rua5i6lflzyzlh24@pengutronix.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="yhqQ34TVR4fE8mPU" Content-Disposition: inline In-Reply-To: <20200107133811.rua5i6lflzyzlh24@pengutronix.de> X-Cookie: Programming is an unnatural act. User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --yhqQ34TVR4fE8mPU Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Jan 07, 2020 at 02:38:11PM +0100, Marco Felsch wrote: > On 20-01-07 13:09, Mark Brown wrote: > > On Tue, Jan 07, 2020 at 09:36:54AM +0100, Marco Felsch wrote: > > > The input signal is routed trough the da9062 gpio block to the > > > regualtors. You can't set any voltage value using a gpio instead you > > > decide which voltage setting is applied. The voltage values for > > > runtime/suspend comes from the dt-data. No it's not just a fast > > > switching option imagine the system suspend case where the cpu and soc > > > voltage can be reduced to a very low value. Older soc's like the imx6 > > > signaling this state by a hard wired gpio line because the soc and > > > cpu cores don't work properly on such low voltage values. This is > > > my use case and I can't use the sequencer. > > My point is that I can't tell any of this from the description. > Therefore I want to discuss the dt-binding documentation with you and > the others to get this done. Is the above description better to > understand the dt-binding? That text really doesn't feel like text that'd be idiomatic directly in a binding document but some of those ideas probably do need to be in the text I think. --yhqQ34TVR4fE8mPU Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl4d4ZEACgkQJNaLcl1U h9CJjAf+Lyl6pKu3ywfkP8t2CeYxi0Fz9ndEKvYqp7nK6CZxn8OgX9Jjem3iwm4w vhgB2B06edcnP8wIDEgk8YUMirzG0/Rc475SlTvVg/1BYOaGftqksTiEZfHJf0qt 4mcWgT+Agw3YzPMkM6kahAu243KxKHAwojM3iVV7gb9PX/rOVtInStggPxzdcxtk jQQo2RvYBo2mEBArehWE+PGGT2/JElQGTLyhRVx3BrhuAXXoNKuwkS9fUrVAnyk5 m5kKBygRDyY4MdZ/a53/E8URMDJbctEtveN03mzI+QQ//PMDTufBPqSmURaODb5c PAal49kxIE8ZAfvvCgimhdhS3yzmTg== =m6uy -----END PGP SIGNATURE----- --yhqQ34TVR4fE8mPU--