From patchwork Sat Jan 29 11:52:20 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: 538010 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 86F27C433F5 for ; Sat, 29 Jan 2022 11:57:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241529AbiA2L5e (ORCPT ); Sat, 29 Jan 2022 06:57:34 -0500 Received: from mout.gmx.net ([212.227.15.18]:60127 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240332AbiA2L5e (ORCPT ); Sat, 29 Jan 2022 06:57:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1643457446; bh=jI07oj6ZQKZI4SXgpi5iludWDQoXodJQyaeDRlTbCts=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=gJ4oIxK9rVzKDBcpkf+20Gj+/iYCpB/Atx1VVrPPCh0zNg8+2PWj3sJm0GWsDfC0F KnV4sUE5BSoY56q3M+Mv4OI5BuciU1dK7tA9mG6fBRhxEcpJxFALsWf+667GcXWQPb HbUA/HwuIonalH/7VlhxghqZZv3N7PWcHPO1LZGU= 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 1MxUnz-1mKilj2IyP-00xwKK; Sat, 29 Jan 2022 12:57:26 +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 v5 1/9] dt-bindings: arm/npcm: Add binding for global control registers (GCR) Date: Sat, 29 Jan 2022 12:52:20 +0100 Message-Id: <20220129115228.2257310-2-j.neuschaefer@gmx.net> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220129115228.2257310-1-j.neuschaefer@gmx.net> References: <20220129115228.2257310-1-j.neuschaefer@gmx.net> MIME-Version: 1.0 X-Provags-ID: V03:K1:02EDbgw1aWo9wwZ2hCE2GRIiaSUQ04z/cHtTktAVudX4/RIbZry 8loU3I8s1IpTPaA9Bdi/N54iuGnis79b6JO1dQnH72ZoUzjfR5si+pRrzmLMhBUtsY+OYiz fE+/yXtezAgzBT+X/TyFeB1m4BszI1ZySOZwX5p8iG70geceiobxhDsOTbze9uyJE5NZ/ca ZRI6toxGGQzhcBTM6Rs7A== X-UI-Out-Filterresults: notjunk:1;V03:K0:jPAjAyxpmtE=:eOzq2mUyQpGbvQ6lsLzcMV Qaa4Bna/j9J78/ULZoZTWi5CrIkp2i9V3O3JH2M6irxclEQImaFTYmrG68xSfJ35n5qCCyf0K zFhlsMTj3Jm0g2eGMcOLDZjWlTjDcqqQTKdvcxRn+fXfVJDWg1t8DHt1eU8RdDoLdqAflPcvS RSjlHyguKQrgqx20iicgt7UYScyToCsJozDXN38mwAvzR73e7Tc5cxbqQL60aK3TmEEmxLVHQ PNYHYUuBdT1AbBznXVBy2bUljS7M0l+i23huysvcLGE9RACiC6McclQVd7Jfb6BFC08lMUhU1 mfSW/6bg6oyOr5MvbFCP8nauTEj+nhISe3BedaiwMDbse16zKdZen1JHPYZYq3BfLqMIjculO 8jIcwER5gVr36xgJkDw1CjUfZfWiZL0TijtHilxK3tkJ2rjre1QrUa34V8Hk1+WE465OoNYQG UVEiH3BiWqX2e01AQWTLnzTJAGgdPiZFyJZinnFztwR7Uk/iYb5hAytY5mmu6okSavEufTx2W D3r7fmXL1amkYndQFeNQwCw8/92NeT/rZihpLZteCnbEbD0Onb5HNnuscT/OU7meVbrQC7Z41 vg/6iM+aq9SpVo5ItL34RkosFyTeaaKsEZLyq6jnLuxUcRYExbRZzsaCsc3dccxP0XEeE4nvq 9elrmI/kyOdfDBj1urT3rVVe9L57pA7c0OD4qW9vXZRkKY0n6ot0kxCF5guZIaIMDmNoffNFt U9ZPPYnx1kquCzjLz4yzQ9deXkkF0nOvzybumJ3Df5I8gl3+YbSUuYLEIvci7UCmECvQLaXMR RH9gFC1QrHygDi2dH33bxoZjITRV+4uUnvmpNzm3/Cq0xB2JxHt0g/b/1KFFEhnkwgn72/3e0 +CSknAqVrqvP9QK5K+3glj/s/rC98EM9xSXsU2hu8jNFSotVY0bxK/oz0CS7BV9AGe4LsjQHa RdQs5rJemIIG1C0Hd7ErsGSKwNlJs6jYiw7TF1yabOaboEND/CJu06xVgkdxLvp5sbv1PGxQ4 4VSWon1mnW0yHeSdoWnjHoMdoHsXb0LqdCvRfgjRmFWejQsbWBufK3FhyVNU1yzFKDhHNHPnJ uh/V+v0ids5Qw4= 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 --- v5: - no changes 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 -- 2.34.1 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>; + }; + };