From patchwork Sun Jan 9 17:29:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Jonathan_Neusch=C3=A4fer?= X-Patchwork-Id: 530854 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 220A1C433EF for ; Sun, 9 Jan 2022 17:34:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234571AbiAIReW (ORCPT ); Sun, 9 Jan 2022 12:34:22 -0500 Received: from mout.gmx.net ([212.227.15.19]:57781 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234494AbiAIReU (ORCPT ); Sun, 9 Jan 2022 12:34:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1641749652; bh=MOFjIoYuYz3a6U9sFm3D7hME9fb4DnPcgdo1gj/6qb0=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=UgEsTqhvRH8KvmhcckXGkPp+rDYVJhD9QGrA+7g/pdq+9/RbWuvrfMudOHe7YoOuw Bb+4MDCqfPXX+XIBwpENi1GuQQKjRRYQPwTmiFAuxhFgEn+knXd/UGwo0LVZogXznr C0PpxxvOdSbvFwtTXRw6ht3UMv1vs3WYnJHSWG5Y= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from longitude ([89.0.222.244]) by mail.gmx.net (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MN5iZ-1mpuAz17LR-00J23M; Sun, 09 Jan 2022 18:34:12 +0100 From: =?utf-8?q?Jonathan_Neusch=C3=A4fer?= To: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org Cc: Linus Walleij , Rob Herring , openbmc@lists.ozlabs.org, Tomer Maimon , Joel Stanley , linux-kernel@vger.kernel.org, Andy Shevchenko , Avi Fishman , Tali Perry , Patrick Venture , Nancy Yuen , Benjamin Fair , =?utf-8?q?Jonathan_Neusch=C3=A4fer?= , Rob Herring Subject: [PATCH v4 1/9] dt-bindings: arm/npcm: Add binding for global control registers (GCR) Date: Sun, 9 Jan 2022 18:29:52 +0100 Message-Id: <20220109173000.1242703-2-j.neuschaefer@gmx.net> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220109173000.1242703-1-j.neuschaefer@gmx.net> References: <20220109173000.1242703-1-j.neuschaefer@gmx.net> MIME-Version: 1.0 X-Provags-ID: V03:K1:ztSF5v5bx0P0Xz5y9nkAdqjiP/XUgvvz2+IaEIneM08rrCGzSmE qEHgmW7GXgERLlOWZgW4M1KUjg0li5txo9Sw2Uc3RmxTAa9WCyX7prTDY0FvPFBJgQHhz1G BgyXVoYP57YQGB3lvXtjL4Gjo8m5X6bf4NIJ2imK/J+glygqtYITW0ja+QqywukTdgFwk2+ y/6FVv3p90ajkeG8dJCBA== X-UI-Out-Filterresults: notjunk:1;V03:K0:WJv/i/bnJqQ=:fOkmB1Ab5nLabHDOrcF4kM h4VIpJqxa0sA1HAcefZlM9AphF8ODY4SbmOINH4dOQFmjv0ikv52gbPllg8J7P+Vbr3hcGgqm QPe5xd/6pQlNPrRBGSEYMxGLvOHmUWIzadcmRM2TN/AIuDhe5Jm9+KLdjuOIKgjP5bz2jDSXu YtHZCay5R1lubfNJQZx6bpVdcFmZeV9N6/6Nx9+2cONYuniaTH2093bwA7ORSzGr2w1WjK+DY dOxciFRhkqMy2VyF6h0NgSlwY/bEGjBPZ3dGJJT0uQ3ZHmEC0Z7ik15NaGcp9MsERnMBwnrYk K+vddVEPz5/cNy3GrZFjqsbHRZ/XrBha7suD3XgDDyTthIljxJ9hm0+dQB0mSh0I5u/720ED1 qCi5NMiImddW7tEMMwZHfOHizJ7QEFbuISF4z1q3PVaSGqc0NgAX7tqDqWI3doQiFX4Kbee8Y kqBO8jiLuUVX486F6Z8Z/uBmz5UNxs8kzC657aeblFuWVkKyuCAzH3nZ5PIEiQo9gFXgVKRQy DkowIzsVODrvLx+KzPPOWZqWIrpDMjnfwfN360HNXNFZPqN5GYK4nkDXoxcTMSV9FNSMZ9La0 x/zTjPUkhg8vweYlqypMYS4QBInFMY7RTFR/HwZ3evZUublet8UDUM717Z66FyYIo3wHA8GmS hUbFu2O4rACk/GrNUFLps9XcVrkNsxJ5PS2ZBqGxBwfCh8fX6SqkwgZMwxRK8UUp3PuTAVMUb iLVGQmyA3IgNL0lDpa1HZADpXl8pkyqAmfCiTGEMvBO6Bjysa9h5j9Wj87U2PQaN1vzt1bi3Y iB+0ww4D/3DjvBVcy92PqgBo0SqYr5PRMR4dYRAw8X8+BD0c18uAZlt/3rC0v8NorvF8llokc Lj3wczI6UQGhbqcEQ53VWo/Kb145OZtD4jo/OiJDuP6RF2zfFHsrIQfZ/pl67oMC0IhOLTTGy ACiu+uEiWt2ZwtEUtwWfYgR4E9MGgv1zTqjJNp/7fHZx2p0JwjISzoHoBr0LC17syp3ZIOkpX May/4719MhIJ5tFjyLOWnMjDgOJCoQCz1cqgsmO2Bna5KPVKKGrLHBcSpSCAXTjEweywXsjyN 9IYJug3vro0iYc= Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org A nuvoton,*-gcr node is present in nuvoton-common-npcm7xx.dtsi and will be added to nuvoton-wpcm450.dtsi. It is necessary for the NPCM7xx and WPCM450 pinctrl drivers, and may later be used to retrieve SoC model and version information. This patch adds a binding to describe this node. Signed-off-by: Jonathan Neuschäfer Reviewed-by: Rob Herring --- v4: - Add Rob's R-b v3: - Make a few changes suggested by Rob Herring - Change name of mux-controller node to appease the linter v2: - https://lore.kernel.org/lkml/20211207210823.1975632-2-j.neuschaefer@gmx.net/ - Rename node in example to syscon@800000 - Add subnode to example v1: - https://lore.kernel.org/lkml/20210602120329.2444672-2-j.neuschaefer@gmx.net/ --- .../bindings/arm/npcm/nuvoton,gcr.yaml | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml -- 2.30.2 diff --git a/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml b/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml new file mode 100644 index 0000000000000..fcb211add7d37 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/npcm/nuvoton,gcr.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Global Control Registers block in Nuvoton SoCs + +maintainers: + - Jonathan Neuschäfer + +description: + The Global Control Registers (GCR) are a block of registers in Nuvoton SoCs + that expose misc functionality such as chip model and version information or + pinmux settings. + +properties: + compatible: + items: + - enum: + - nuvoton,wpcm450-gcr + - nuvoton,npcm750-gcr + - const: syscon + - const: simple-mfd + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: + type: object + +examples: + - | + gcr: syscon@800000 { + compatible = "nuvoton,npcm750-gcr", "syscon", "simple-mfd"; + reg = <0x800000 0x1000>; + + mux-controller { + compatible = "mmio-mux"; + #mux-control-cells = <1>; + mux-reg-masks = <0x38 0x07>; + idle-states = <2>; + }; + };