From patchwork Tue Jul 18 15:26:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrizio Castro X-Patchwork-Id: 13317409 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 aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5B55FEB64DA for ; Tue, 18 Jul 2023 15:26:30 +0000 (UTC) Received: from relmlie6.idc.renesas.com (relmlie6.idc.renesas.com [210.160.252.172]) by mx.groups.io with SMTP id smtpd.web10.10729.1689693987594879117 for ; Tue, 18 Jul 2023 08:26:28 -0700 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: renesas.com, ip: 210.160.252.172, mailfrom: fabrizio.castro.jz@renesas.com) X-IronPort-AV: E=Sophos;i="6.01,214,1684767600"; d="scan'208";a="173423015" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 19 Jul 2023 00:26:28 +0900 Received: from mulinux.home (unknown [10.226.93.62]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 4677A4007143; Wed, 19 Jul 2023 00:26:26 +0900 (JST) From: Fabrizio Castro To: cip-dev@lists.cip-project.org, Nobuhiro Iwamatsu , Pavel Machek Cc: Biju Das , Lad Prabhakar , Chris Paterson , Fabrizio Castro Subject: [PATCH 6.1.y-cip 1/4] dt-bindings: soc: renesas: Add RZ/V2M PWC Date: Tue, 18 Jul 2023 16:26:19 +0100 Message-Id: <20230718152622.327364-2-fabrizio.castro.jz@renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230718152622.327364-1-fabrizio.castro.jz@renesas.com> References: <20230718152622.327364-1-fabrizio.castro.jz@renesas.com> MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Tue, 18 Jul 2023 15:26:30 -0000 X-Groupsio-URL: https://lists.cip-project.org/g/cip-dev/message/12399 Commit 6e1456f9251966d8fbfde2ae4750ba540b588533 upstream. The Renesas RZ/V2M External Power Sequence Controller (PWC) IP is 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 Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/20230106125816.10600-2-fabrizio.castro.jz@renesas.com Signed-off-by: Geert Uytterhoeven Signed-off-by: Fabrizio Castro --- .../soc/renesas/renesas,rzv2m-pwc.yaml | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/renesas/renesas,rzv2m-pwc.yaml diff --git a/Documentation/devicetree/bindings/soc/renesas/renesas,rzv2m-pwc.yaml b/Documentation/devicetree/bindings/soc/renesas/renesas,rzv2m-pwc.yaml new file mode 100644 index 000000000000..12df33f58484 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/renesas/renesas,rzv2m-pwc.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/renesas/renesas,rzv2m-pwc.yaml# +$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; + };