From patchwork Wed Jun 30 07:30:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 468833 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 180FFC11F6B for ; Wed, 30 Jun 2021 07:30:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0262261D0D for ; Wed, 30 Jun 2021 07:30:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233010AbhF3Hd0 (ORCPT ); Wed, 30 Jun 2021 03:33:26 -0400 Received: from relmlor1.renesas.com ([210.160.252.171]:28915 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S233011AbhF3HdQ (ORCPT ); Wed, 30 Jun 2021 03:33:16 -0400 X-IronPort-AV: E=Sophos;i="5.83,311,1616425200"; d="scan'208";a="85975988" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 30 Jun 2021 16:30:47 +0900 Received: from localhost.localdomain (unknown [10.226.93.82]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 3B48241DBA50; Wed, 30 Jun 2021 16:30:45 +0900 (JST) From: Biju Das To: Philipp Zabel , Rob Herring Cc: Biju Das , devicetree@vger.kernel.org, Geert Uytterhoeven , Yoshihiro Shimoda , Chris Paterson , Biju Das , Prabhakar Mahadev Lad , linux-renesas-soc@vger.kernel.org Subject: [PATCH v3 03/11] dt-bindings: reset: Document RZ/G2L USBPHY Control bindings Date: Wed, 30 Jun 2021 08:30:05 +0100 Message-Id: <20210630073013.22415-4-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210630073013.22415-1-biju.das.jz@bp.renesas.com> References: <20210630073013.22415-1-biju.das.jz@bp.renesas.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add device tree binding document for RZ/G2L USBPHY Control Device. It mainly controls reset and power down of the USB/PHY. Signed-off-by: Biju Das Reviewed-by: Lad Prabhakar Reviewed-by: Rob Herring --- v3: * New patch. * Modelled USBPHY control from phy bindings to reset bindings, since the IP mainly contols the reset of USB PHY. --- .../reset/renesas,rzg2l-usbphy-ctrl.yaml | 66 +++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml diff --git a/Documentation/devicetree/bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml b/Documentation/devicetree/bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml new file mode 100644 index 000000000000..2a398c7ce7c8 --- /dev/null +++ b/Documentation/devicetree/bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/renesas,rzg2l-usbphy-ctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas RZ/G2L USBPHY Control + +maintainers: + - Biju Das + +description: + The RZ/G2L USBPHY Control mainly controls reset and power down of the + USB/PHY. + +properties: + compatible: + items: + - enum: + - renesas,r9a07g044-usbphy-ctrl # RZ/G2{L,LC} + - const: renesas,rzg2l-usbphy-ctrl + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + power-domains: + maxItems: 1 + + '#reset-cells': + # see reset.txt in the same directory + const: 1 + description: | + The phandle's argument in the reset specifier is the PHY reset associated + with the USB port. + 0 = Port 1 Phy reset + 1 = Port 2 Phy reset + +required: + - compatible + - reg + - clocks + - resets + - power-domains + - '#reset-cells' + +additionalProperties: false + +examples: + - | + #include + + phyrst: usbphy-ctrl@11c40000 { + compatible = "renesas,r9a07g044-usbphy-ctrl", + "renesas,rzg2l-usbphy-ctrl"; + reg = <0x11c40000 0x10000>; + clocks = <&cpg CPG_MOD R9A07G044_USB_PCLK>; + resets = <&cpg R9A07G044_USB_PRESETN>; + power-domains = <&cpg>; + #reset-cells = <1>; + };