From patchwork Fri Dec 24 20:09:27 2021 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: 527784 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 83CE8C433FE for ; Fri, 24 Dec 2021 20:10:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353539AbhLXUJ6 (ORCPT ); Fri, 24 Dec 2021 15:09:58 -0500 Received: from mout.gmx.net ([212.227.15.18]:47921 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353538AbhLXUJ5 (ORCPT ); Fri, 24 Dec 2021 15:09:57 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1640376589; bh=gmLdgXnIZUtcHkOafM+YRv4CZWt2fQluG2qXyM/bdnw=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=jhkv18wcQ/HnzDG/AWp2IYA5oSoo1dR0fuwZd+bIcHokKoiYj9iMgve/YppIC/Bgy usB9NZxnRTNHorSXb4ttFwwVkxTEEytstReDvIWxx4NiKIlOiiA8nD/uljUhWtZ7+0 FCNh2QeFJ+jx0qiYY8k8UBba6y9GmlR4KAASbDuc= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from longitude ([5.146.194.160]) by mail.gmx.net (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MxDp4-1mGs2X0nKy-00xf9c; Fri, 24 Dec 2021 21:09:49 +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?= Subject: [PATCH v3 1/9] dt-bindings: arm/npcm: Add binding for global control registers (GCR) Date: Fri, 24 Dec 2021 21:09:27 +0100 Message-Id: <20211224200935.93817-2-j.neuschaefer@gmx.net> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211224200935.93817-1-j.neuschaefer@gmx.net> References: <20211224200935.93817-1-j.neuschaefer@gmx.net> MIME-Version: 1.0 X-Provags-ID: V03:K1:EaMYBks5YHh4cjN5iJWNk/uYmtpfs8oEHCJ8qwJVAfSBQ2T9YW2 4jNb0C1n8No85Xln8MpzhQVobT/KTN0sNq5vqafeWaPr8zozGmUnCOJTbNYVN+242LxgjKO 5yFdg5sNs1H5uX6DgwZb9G1/SK/tCIv9vaT8G7pHX35M1m3ZWRmXvXAv9LyySdccyr6ueZU znTcgtoaaDECtIyugworg== X-UI-Out-Filterresults: notjunk:1;V03:K0:SeCVIGNsipQ=:AjEhZ2WKlJThqjfN2+ozqU bZEggaTrxOko95GULfLvor5ZxZoRzV25w0pVREANTjuaicOpUH50h+0R8+Zg5iaytHPC3x+8Z fINlpRDwihpGojuXwtt8zqRnsZTPP2f3Scei+eZwWONGCltDX3qA3md+itbbSKiKzX9aw3T60 DjLbhr8r7TJpw+ksbxVRAEmbAW8jRTEjzNPhvQ8NkNo/9yZsarYGNwEalk8zH/jnLILzVCGC3 0g8nvYSSTTrMgKvjRNtFnmKOwu8wpzOPGFO0Wmz/phRtDZVdYBKG2g9JjQHAXNeCcNfi44Zks oqXxthX2lcdriKn6eAbg98QSOFWcQcPde448M5Mf5/pWRAbWvDpec1CRZUCtm79RJpgDHGccr r1FtGDNfawEI/exFMNk06t2fAaXICa/lOCHRSB0xW63zp5PYhvurfObs9huUkWLlfo1qrn7QE ctCEqNXMB1GT3VSmpetCtQC0G4VTJWbtGA1npaEh1+nAGaIUG9Q1ngZCREDoRW8dRFbM6Q6LJ fHgjuqs3v/fok97BzOKJGOgrHVdak/M8j0H+wNfbRjt3EWkpGcSO/HAfniU0cowvUg/yo+Rhb QwiyeclF0EPWuY9B3mJ1k2bMouG9cl6Ry6VKh9rGoOVmp4qlLCMDkxDrPWuv7aa4v4X3ntGl+ G6fWvomoQMgYapSuF9J+JQge4RFsUHT92794G99q9+hbuqKnb6GWidR+p1v+D8Eql2j1RTXyq Q5Zjw02SiwQOUGXa4D1FbfBANBk7ONfE9A6vEEQ2/UKEa/730EXY+0KSsOxKvtgNp0p3skEwa OAHOXbnfate7mD4BBjRhYJ+N7hR3PUGmuKNsMB/4huO9qbYNyACip4lZJN1E57w2W0/2CrkTd 9Dhhr0WB5Aev9gIOR+WrfUVZBM0CK0ptwg2iPBh9ouRbBlk5HGUW1GftXivznjzx4sFi/eLDF v4pUUcmKCpd7WLu//Usg+xDR9QrfrG/Dq4Zp56B7vimRxtGq23mEE2yJszraobQ8usjmER4UI j7gKixSWI2l6tJdNez6DpqQuejwAWqbtZguy4rsOTzQTNbNs6wwg5QU0v1WgAEI1zXCFU4ORq nJiBCGtTqd7vBw= 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 --- 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>; + }; + };