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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AE481C28D13 for ; Mon, 22 Aug 2022 21:46:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234312AbiHVVq1 (ORCPT ); Mon, 22 Aug 2022 17:46:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41592 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232172AbiHVVq0 (ORCPT ); Mon, 22 Aug 2022 17:46:26 -0400 Received: from mail-oi1-f179.google.com (mail-oi1-f179.google.com [209.85.167.179]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B4844564E6; Mon, 22 Aug 2022 14:46:25 -0700 (PDT) Received: by mail-oi1-f179.google.com with SMTP id a133so6045611oif.4; Mon, 22 Aug 2022 14:46:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc; bh=APAtt9ytTbBFoOR/hSOqBGYHXMVpfceVk0Ug71Kbs9M=; b=0+3gJi2ZRXccgq2uwy0dsjnSPMqfXoD5e/ZA5KgQQkwwfaRDQv7cb5XmtvLQ4lpmWJ DjDYw6S1na4xuo5eeJsRNcpzWC2LXg4ruciEAvGU/U2m8SBVjPkpAZw6S1xr85AopW9J M7Bl45PU5V9dQNK6vDSC/YTIkvYajb+9LZLmc3aA93Zmmy+ouo6Ba3/7kWSI5URHgz3Z EFs9nXEuNJ4+rjSOSu9kp2aNVtpafMSofkXvECqXIeLjwivdqRyc4CDXPmXw530rS5QA CTrfhvbf2qJCn5wPfoMIa2i55/iB+a7H5BnFJA6ZePNF21o3a6QNuzAufzzuzqrsK7LM nSFg== X-Gm-Message-State: ACgBeo3vsI2tB19yXaR43ENm4YmVBNooXpWGQqld5napfa1nJv9u4Rpj RK1FtccXmsYu1BUlqiPS+7JkcO4Y/w== X-Google-Smtp-Source: AA6agR6uIb3My2FK2lxe6V31YK3t9r+q0jxj72ow4yhV5ieg5ElNaVdhdbmpYBzOegB8IPOVWVHYWA== X-Received: by 2002:a05:6808:118d:b0:2f9:ee54:8d05 with SMTP id j13-20020a056808118d00b002f9ee548d05mr130398oil.273.1661204785005; Mon, 22 Aug 2022 14:46:25 -0700 (PDT) Received: from robh.at.kernel.org (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.gmail.com with ESMTPSA id z36-20020a056870d6a400b0011856117469sm3259108oap.10.2022.08.22.14.46.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Aug 2022 14:46:24 -0700 (PDT) Received: (nullmailer pid 911465 invoked by uid 1000); Mon, 22 Aug 2022 21:46:23 -0000 Date: Mon, 22 Aug 2022 16:46:23 -0500 From: Rob Herring To: Eliav Farber Cc: brgl@bgdev.pl, mark.rutland@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, talel@amazon.com, hhhawa@amazon.com, jonnyc@amazon.com, hanochu@amazon.com, ronenk@amazon.com, itamark@amazon.com, shellykz@amazon.com, shorer@amazon.com, amitlavi@amazon.com, almogbs@amazon.com, dkl@amazon.com, dwmw@amazon.co.uk Subject: Re: [PATCH v2 1/2] dt-bindings: at24: add new optional power-supply property Message-ID: <20220822214623.GA907654-robh@kernel.org> References: <20220822105830.22790-1-farbere@amazon.com> <20220822105830.22790-2-farbere@amazon.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220822105830.22790-2-farbere@amazon.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Mon, Aug 22, 2022 at 10:58:29AM +0000, Eliav Farber wrote: > Boards using the AT24 EEPROMs might have a GPIO that controls the power > supply of the chip, and it must be set to enable the usage of it. > > Add a new optional property to the device tree binding document, which > allows to specify a GPIO regulator for the pin that controls the power. > > On Linux this means that we need to enable the GPIO at the beginning of > probe function, before trying to access the chip. > > Signed-off-by: Eliav Farber > --- > V1 -> V2: > Change pointed out by Rob Herring: > - Use a gpio regulator for power-supply control. > > Documentation/devicetree/bindings/eeprom/at24.txt | 3 +++ > 1 file changed, 3 insertions(+) This file doesn't exist any more. Use the latest -rc1 kernel unless there is a reason you need a different (even later) base. Rob