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=-14.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 0C118C49EAB for ; Thu, 24 Jun 2021 18:30:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EBAD96128A for ; Thu, 24 Jun 2021 18:30:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232692AbhFXSce (ORCPT ); Thu, 24 Jun 2021 14:32:34 -0400 Received: from mail-io1-f53.google.com ([209.85.166.53]:40764 "EHLO mail-io1-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232690AbhFXSc1 (ORCPT ); Thu, 24 Jun 2021 14:32:27 -0400 Received: by mail-io1-f53.google.com with SMTP id r12so9461609ioa.7; Thu, 24 Jun 2021 11:30:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=N0G6ilA7dVREtDoZc6dY5LMaWm93UIO096LNTjkIjUY=; b=Xwwl1w5MQ2ybAy0FyxsqkTuO/C9axfAITLh+I9PnugiZFyU4CN+LIpMfzlK0DMRXJo Du5Gimb5wgrY3v0RUXWxOcI6vs03i6MyHIRHu7xGbWiEGtCwMbr05Elcwnq9ZVmj1m8K kVJe7MRCykyukR3eFn7cxIEtQoP8SoJaRHWpVXpmwUKNfoOZNbfzqXSUTHxDGyXuhbgl b4l08Rdeoqv1s7vZpOPJAP3Oez1EaeiBUb++bu6tFBDLHDeX/y9XzS57PpzCSphk1rnu nkljIh4WV135EELu7O74oLrTYuHIrsqCEr5zqNiFCXzbf95WL6rKhTWw6APrkwWIrdPK eOQQ== X-Gm-Message-State: AOAM532XcYwa1MwggQu3dI+begyFL8mZ1ifphF7nhWTI4JwLVTmUWfdy z2NtlXpmKkFqOGtMbeFloQ== X-Google-Smtp-Source: ABdhPJxPT0YnkliWRfRNtKT8GfUaQFZh1HlciM8usKxfxVUGuN0ur8P1dVgQwhBDw1Gj5GqD3qxkdw== X-Received: by 2002:a05:6638:22b8:: with SMTP id z24mr5803245jas.45.1624559407452; Thu, 24 Jun 2021 11:30:07 -0700 (PDT) Received: from robh.at.kernel.org ([64.188.179.248]) by smtp.gmail.com with ESMTPSA id k3sm1910660ilv.83.2021.06.24.11.30.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Jun 2021 11:30:06 -0700 (PDT) Received: (nullmailer pid 1766658 invoked by uid 1000); Thu, 24 Jun 2021 18:30:02 -0000 Date: Thu, 24 Jun 2021 12:30:02 -0600 From: Rob Herring To: Mauri Sandberg Cc: sandberg@mailfence.com, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, andy.shevchenko@gmail.com, robh+dt@kernel.org, linus.walleij@linaro.org, bgolaszewski@baylibre.com, drew@beagleboard.org, devicetree@vger.kernel.org, geert+renesas@glider.be Subject: Re: [PATCH v5 1/2] dt-bindings: gpio-cascade: add documentation Message-ID: <20210624183002.GA1766624@robh.at.kernel.org> References: <20210325122832.119147-1-sandberg@mailfence.com> <20210621172053.107045-1-maukka@ext.kapsi.fi> <20210621172053.107045-2-maukka@ext.kapsi.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210621172053.107045-2-maukka@ext.kapsi.fi> Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org On Mon, 21 Jun 2021 20:20:52 +0300, Mauri Sandberg wrote: > Add documentation for a general GPIO cascade. It allows building > one-to-many cascades of GPIO lines using multiplexer to choose > the cascaded line. > > Signed-off-by: Mauri Sandberg > --- > v4 -> v5: > - renamed gpio-mux-input -> gpio-cascade > - changed vague term 'pin' to 'upstream line' > - added more verbose description for the module > - added missing 'mux-controls' entry > - dropped Tested-by and Reviewed-by due to changes in bindings > v3 -> v4: > - Changed author email > - Included Tested-by and Reviewed-by from Drew > v2 -> v3: added a complete example on dual 4-way multiplexer > v1 -> v2: added a little bit more text in the binding documenation > --- > .../bindings/gpio/gpio-cascade.yaml | 103 ++++++++++++++++++ > 1 file changed, 103 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpio/gpio-cascade.yaml > Reviewed-by: Rob Herring