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=-8.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=unavailable 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 552FFC73C66 for ; Sun, 14 Jul 2019 16:13:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2CDDC2089C for ; Sun, 14 Jul 2019 16:13:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563120803; bh=6mzIaXCVd2Suq63Kfrh4nwfSHOSzsx2csQwxz2Vm51g=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=V6cXnfNXKoOYhBVzxkj6szpmLsdBgZtzR+BRRP1grRkAmZkJX9NfBS6/Y55V+KWJv z3D9+ytA1cdceAY87mpEvwzXWl1Cm/DvogcT/drmmWBnwsqtteW4pmA45b8aFFjrmJ 5EAnts5LcE7emGWQ9TGQJDk7NbztDyP8vKq7hMKw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728382AbfGNQNT (ORCPT ); Sun, 14 Jul 2019 12:13:19 -0400 Received: from mail.kernel.org ([198.145.29.99]:49578 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728218AbfGNQNS (ORCPT ); Sun, 14 Jul 2019 12:13:18 -0400 Received: from archlinux (cpc149474-cmbg20-2-0-cust94.5-4.cable.virginm.net [82.4.196.95]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9F0EF205F4; Sun, 14 Jul 2019 16:13:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563120798; bh=6mzIaXCVd2Suq63Kfrh4nwfSHOSzsx2csQwxz2Vm51g=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=1F2MgzaqnRI76BsCuiJVNGDb2ty0OrJ0yHX+MPGYLkxHAzhJl8ZABS4hI0pLpVGwv xTfLoB+6CoVn5WlCpdf9+SGA5MsePgNHs4AqWnvBVOyIUiKtAV4B7zX7ARzEWc+LKX 9+C33CsAYxdj76tiQVovtN9QXczS8nZ9ak42rLvs= Date: Sun, 14 Jul 2019 17:13:10 +0100 From: Jonathan Cameron To: Fabrice Gasnier Cc: , , , , , , , , , , , Subject: Re: [PATCH v2 3/3] ARM: dts: stm32: add syscfg to ADC on stm32mp157c Message-ID: <20190714171310.1816afe3@archlinux> In-Reply-To: <1562148496-26789-4-git-send-email-fabrice.gasnier@st.com> References: <1562148496-26789-1-git-send-email-fabrice.gasnier@st.com> <1562148496-26789-4-git-send-email-fabrice.gasnier@st.com> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org On Wed, 3 Jul 2019 12:08:16 +0200 Fabrice Gasnier wrote: > On stm32mp157c, the ADC inputs are multiplexed with analog switches which > have reduced performances when their supply is below 2.7V (vdda by > default). > Add syscfg registers that can be used on stm32mp157c, to get full ADC > analog performances. > > Signed-off-by: Fabrice Gasnier I've applied the patches using this on the assumption this will go via the usual SoC route. Thanks, Jonathan > --- > arch/arm/boot/dts/stm32mp157c.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi > index 2dd5162..b9a5b58 100644 > --- a/arch/arm/boot/dts/stm32mp157c.dtsi > +++ b/arch/arm/boot/dts/stm32mp157c.dtsi > @@ -862,6 +862,7 @@ > clocks = <&rcc ADC12>, <&rcc ADC12_K>; > clock-names = "bus", "adc"; > interrupt-controller; > + st,syscfg = <&syscfg>; > #interrupt-cells = <1>; > #address-cells = <1>; > #size-cells = <0>;