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 34D36C4332F for ; Mon, 7 Nov 2022 20:50:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233039AbiKGUuU (ORCPT ); Mon, 7 Nov 2022 15:50:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233038AbiKGUuS (ORCPT ); Mon, 7 Nov 2022 15:50:18 -0500 Received: from mail-oa1-f49.google.com (mail-oa1-f49.google.com [209.85.160.49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF5B526AE9; Mon, 7 Nov 2022 12:50:16 -0800 (PST) Received: by mail-oa1-f49.google.com with SMTP id 586e51a60fabf-13d9a3bb27aso13303400fac.11; Mon, 07 Nov 2022 12:50:16 -0800 (PST) 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:subject:date :message-id:reply-to; bh=hY4cBgCmlgBqYohRhHhMdIePHZwJ1Xi1Cx+NWhe7FDE=; b=HCkgw0WF9aq2XRRBIIVXokIxjSAKEGNFhVNn2qDziuR3Yig0eMZXUDxlUD9LUgWNk8 Kf+cGMoTWqD9aY07h31I+NxhLYsJUhWOpxwHbyo+3A/nXdNSYRyReCUhAuRtmyXomRjw vkr0NiaMYQ03ELjMzwc2e+x90m3fEi0QCIXL/14686YEcqXXMcNk2YDQfM5jYAZQEeV6 49VcTfuEBGKC/awVe3hnyWqIbAH+ZLh2AtIdF1J63YBVnSEwIVnCIWxwXvjWlo+ZcwDO jDKJIVkL+D4YCV18pBb1upZTbrVLtdsdRcAtdb9RV20odgFv6QDS6hX2z/O5biVQcCu8 x6yw== X-Gm-Message-State: ACrzQf2WiBoQNqcp510Fg0STkgSc0uhPC/MJnrq3IGVZlTNP9zDYUFon 1o4euPQL2mm4/hXzX/s80Urvg80Jkw== X-Google-Smtp-Source: AMsMyM4NCHFN92wEml59BG8xGmdH2SgzI6d5Gu5LvtId4uUc/8ttSU80t7O9gx7LtRJBzVjeIZPEBg== X-Received: by 2002:a05:6870:d623:b0:13a:f0ad:804a with SMTP id a35-20020a056870d62300b0013af0ad804amr42173962oaq.79.1667854216069; Mon, 07 Nov 2022 12:50:16 -0800 (PST) Received: from robh_at_kernel.org (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.gmail.com with ESMTPSA id d9-20020a4aba89000000b004805c328971sm2550468oop.42.2022.11.07.12.50.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Nov 2022 12:50:15 -0800 (PST) Received: (nullmailer pid 1609740 invoked by uid 1000); Mon, 07 Nov 2022 20:50:17 -0000 Date: Mon, 7 Nov 2022 14:50:17 -0600 From: Rob Herring To: Thierry Reding Cc: linux-gpio@vger.kernel.org, linux-tegra@vger.kernel.org, Krzysztof Kozlowski , Rob Herring , Jon Hunter , devicetree@vger.kernel.org, Prathamesh Shete , Vidya Sagar , Linus Walleij Subject: Re: [PATCH v3 2/4] dt-bindings: pinctrl: tegra194: Separate instances Message-ID: <166785421422.1609632.2807084957651673122.robh@kernel.org> References: <20221104142345.1562750-1-thierry.reding@gmail.com> <20221104142345.1562750-3-thierry.reding@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221104142345.1562750-3-thierry.reding@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org On Fri, 04 Nov 2022 15:23:43 +0100, Thierry Reding wrote: > From: Thierry Reding > > Tegra194 has two separate instances of the pin controller, one called > AON (in the always-on domain) and another called "main". Instead of > treating them as a single pin controller, split them up into two > separate controllers. Doing so allows the mapping between the pinmux and > GPIO controllers to be trivial identity mappings and more cleanly > separates the AON from the main IP blocks. > > Note that while this changes the DT node in an incompatible way, this > doesn't have any practical implications for backwards-compatibility. The > reason for this is that device trees have only reconfigured a very > narrow subset of pins of the main controller, so the new driver will > remain backwards-compatible with old device trees. > > Signed-off-by: Thierry Reding > --- > Changes in v3: > - update for common bindings restructure > > Changes in v2: > - add missing "type: object" to patternProperties nodes > - add note about backwards-compatibility > > .../pinctrl/nvidia,tegra194-pinmux.yaml | 235 ++++++++++++++++-- > 1 file changed, 215 insertions(+), 20 deletions(-) > Reviewed-by: Rob Herring