From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 204522EAEF for ; Tue, 17 Oct 2023 19:34:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from mail-oa1-f44.google.com (mail-oa1-f44.google.com [209.85.160.44]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BD5DC4; Tue, 17 Oct 2023 12:34:43 -0700 (PDT) Received: by mail-oa1-f44.google.com with SMTP id 586e51a60fabf-1ea45b07c59so1516588fac.0; Tue, 17 Oct 2023 12:34:43 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697571282; x=1698176082; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=L+6mXWeDRt6o7fuGwuDOyCooBMwhCyvxnxAXJHdY95E=; b=eZCnWRu/e7l0kWpLXCMVAQqbAeGY1CSlJfFHk28YMMVXJiy1YM60Ho05UTUz86V0SL /NekdgMfNMcIm4Gis2TCiwewFmpuJenTL8ODnGWLm6VNdkL+N9v8265ITAP8U0Ja8tv8 An+AsxKcVAgOnbFGH26g7HDP7jyRRoFyzRCMhCAXwh2mfEISuDZR54USjZNXwPiR3J4Y ff5lODd4d70iRltmnh0Qum9O2ZQ0hg/+I4ji8p3YxJA/sSMowhfCMzRSs2GKALCfb1jL HpBIHLw2Cf90ThxDvVXugMGeScUDsOWyDhxJ/h0d2WHjqPwd1KHPYM42kex2nfBk4ylW 54xg== X-Gm-Message-State: AOJu0YypfcyRZmuHnb57uB6WlRflpUKTmzUt4czX6VeWVNzX+NHStqi2 TVE+vDAzqb5vJBwqphLgdg== X-Google-Smtp-Source: AGHT+IGoF4k9W8ulvRERINdWfZ/SgkNtX2KbwPeBIHaX2dYY2wdVlTIdNlFfK9n0lRWOhTMdcUZN+w== X-Received: by 2002:a05:6870:104f:b0:1e9:bb7b:6dd0 with SMTP id 15-20020a056870104f00b001e9bb7b6dd0mr3235767oaj.55.1697571282217; Tue, 17 Oct 2023 12:34:42 -0700 (PDT) Received: from herring.priv (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.gmail.com with ESMTPSA id z18-20020a056870461200b001e169e7268csm374214oao.53.2023.10.17.12.34.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 12:34:41 -0700 (PDT) Received: (nullmailer pid 2554948 invoked by uid 1000); Tue, 17 Oct 2023 19:34:40 -0000 Date: Tue, 17 Oct 2023 14:34:40 -0500 From: Rob Herring To: Chris Packham Cc: gregory.clement@bootlin.com, andi.shyti@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/2] dt-bindings: i2c: mv64xxx: add reset-gpios property Message-ID: <20231017193440.GA2553498-robh@kernel.org> References: <20231016023504.3976746-1-chris.packham@alliedtelesis.co.nz> <20231016023504.3976746-2-chris.packham@alliedtelesis.co.nz> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231016023504.3976746-2-chris.packham@alliedtelesis.co.nz> X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00, FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On Mon, Oct 16, 2023 at 03:35:03PM +1300, Chris Packham wrote: > Add reset-gpios and reset-delay-us properties to the marvell,mv64xxx-i2c > binding. These can be used to describe hardware where a common reset > GPIO is connected to all downstream devices on and I2C bus. This reset > will be released before the downstream devices on the bus are probed. > > Signed-off-by: Chris Packham > --- > > Notes: > Changes in v2: > - Update commit message > - Add reset-delay-us property > > .../devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml b/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml > index 461d1c9ee3f7..7223797b0572 100644 > --- a/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml > +++ b/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml > @@ -70,6 +70,12 @@ properties: > resets: > maxItems: 1 > > + reset-gpios: > + maxItems: 1 It would be worth saying this is common for all downstream devices on the I2C bus here. > + > + reset-delay-us: > + description: Delay in us to wait after reset gpio de-assertion. > + > dmas: > items: > - description: RX DMA Channel > -- > 2.42.0 >