From patchwork Wed Dec 21 21:09:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrizio Castro X-Patchwork-Id: 35523 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:e747:0:0:0:0:0 with SMTP id c7csp3743458wrn; Wed, 21 Dec 2022 13:10:33 -0800 (PST) X-Google-Smtp-Source: AMrXdXuyuYvG2fdP2UIMShOeWcMyTpynd0rHxBjgs5r0t1m4ClRjf4Mqx5+iRSGipWgaJs1pE0kC X-Received: by 2002:a50:fb82:0:b0:473:bd4:84ba with SMTP id e2-20020a50fb82000000b004730bd484bamr2951544edq.23.1671657032848; Wed, 21 Dec 2022 13:10:32 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1671657032; cv=none; d=google.com; s=arc-20160816; b=oZfy/KSWhWW+U4jbPBKm6V8wAsD6LMaIToBIEEEbSGCqPOa4OolAIIILzlrhdvFLdm cBcofa9IFfqj/95wupo1XWxmDcqQ/eH5Gw1P1cCChusjwMnqTdj90/HFbxzSEAQrULSk AJLLvf5IXoKf3F3cwLp7Zozr8cSGJsCMasXzSBYhsXetRM2i8fIoYxEFT35EYcCSiRvH IvLjXfMLIP4dNbdDFv4cIMFtj7d/kgUyV0voXryno8A3rHeL8BxtLdKhqkjDFdHauF5u AA66urMrlv/bJC8864GejC7j2J/3VHwONFhNZXejGM/PkJ62FZ9CaU4nj+8UthgOCRMp 8W6w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=u8/0yCaKo25w0qYnKTmwKXZNTXBfskJuqjmQwTKg5Gc=; b=gTCeGkMnKY0fw5U4kHL6dInaiPn0x2NXOGeOYnFkd6zCp9LdHeC3HiaYPRnRF7rCNO JdDLgtcohOcKwDFsdAR3dav5WZ8tKTAFYkuq45flY6eAmaeqxib3B8Zu4BOXzEqcjMoe YDAH2hAGvwgSKTN72AICpZIHZgIXbKRbtwR7t1qoznJfImmTYyNMYXoYvxIiTGcAfYFD vkDxPij0m8y6mEDulQEv1cFIBZF2fWSEBmkds6oyDfmyQCvTfphWod2lQnH7jvJP95jD WRx7sR7AaF+gpwu98jtjyBRhUD8VZRHVjOp+IutdG06gN6FOd6B1qcVecpv1dQofKqBI zQ6g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=renesas.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id cb9-20020a0564020b6900b00473037c762esi13330018edb.359.2022.12.21.13.10.08; Wed, 21 Dec 2022 13:10:32 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=renesas.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234653AbiLUVJo (ORCPT + 99 others); Wed, 21 Dec 2022 16:09:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46522 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234633AbiLUVJk (ORCPT ); Wed, 21 Dec 2022 16:09:40 -0500 Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 72E7B22281; Wed, 21 Dec 2022 13:09:39 -0800 (PST) X-IronPort-AV: E=Sophos;i="5.96,263,1665414000"; d="scan'208";a="144108258" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 22 Dec 2022 06:09:39 +0900 Received: from mulinux.example.org (unknown [10.226.92.211]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 29FF140DC546; Thu, 22 Dec 2022 06:09:33 +0900 (JST) From: Fabrizio Castro To: Linus Walleij , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski , Sebastian Reichel , Geert Uytterhoeven Cc: Fabrizio Castro , Lee Jones , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Chris Paterson , Biju Das , linux-renesas-soc@vger.kernel.org, Laurent Pinchart , Jacopo Mondi Subject: [PATCH v2 1/4] dt-bindings: mfd: Add RZ/V2M PWC Date: Wed, 21 Dec 2022 21:09:14 +0000 Message-Id: <20221221210917.458537-2-fabrizio.castro.jz@renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221221210917.458537-1-fabrizio.castro.jz@renesas.com> References: <20221221210917.458537-1-fabrizio.castro.jz@renesas.com> MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1752859444779996046?= X-GMAIL-MSGID: =?utf-8?q?1752859444779996046?= The Renesas RZ/V2M External Power Sequence Controller (PWC) IP is a multi-function device, and it's capable of: * external power supply on/off sequence generation * on/off signal generation for the LPDDR4 core power supply (LPVDD) * key input signals processing * general-purpose output pins Add the corresponding dt-bindings. Signed-off-by: Fabrizio Castro Reviewed-by: Rob Herring --- v1->v2: I have dropped syscon, simple-mfd, regmap, offset, and the child nodes. .../bindings/mfd/renesas,rzv2m-pwc.yaml | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/renesas,rzv2m-pwc.yaml diff --git a/Documentation/devicetree/bindings/mfd/renesas,rzv2m-pwc.yaml b/Documentation/devicetree/bindings/mfd/renesas,rzv2m-pwc.yaml new file mode 100644 index 000000000000..e6794c5152d5 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/renesas,rzv2m-pwc.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/renesas,rzv2m-pwc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas RZ/V2M External Power Sequence Controller (PWC) + +description: |+ + The PWC IP found in the RZ/V2M family of chips comes with the below + capabilities + - external power supply on/off sequence generation + - on/off signal generation for the LPDDR4 core power supply (LPVDD) + - key input signals processing + - general-purpose output pins + +maintainers: + - Fabrizio Castro + +properties: + compatible: + items: + - enum: + - renesas,r9a09g011-pwc # RZ/V2M + - renesas,r9a09g055-pwc # RZ/V2MA + - const: renesas,rzv2m-pwc + + reg: + maxItems: 1 + + gpio-controller: true + + '#gpio-cells': + const: 2 + + renesas,rzv2m-pwc-power: + description: The PWC is used to control the system power supplies. + type: boolean + +required: + - compatible + - reg + - gpio-controller + - '#gpio-cells' + +additionalProperties: false + +examples: + - | + pwc: pwc@a3700000 { + compatible = "renesas,r9a09g011-pwc", "renesas,rzv2m-pwc"; + reg = <0xa3700000 0x800>; + gpio-controller; + #gpio-cells = <2>; + renesas,rzv2m-pwc-power; + };