From patchwork Fri Apr 30 03:19:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Samuel Holland X-Patchwork-Id: 12232201 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 1D014C433B4 for ; Fri, 30 Apr 2021 03:19:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E98706144E for ; Fri, 30 Apr 2021 03:19:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229687AbhD3DUI (ORCPT ); Thu, 29 Apr 2021 23:20:08 -0400 Received: from new2-smtp.messagingengine.com ([66.111.4.224]:57607 "EHLO new2-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229577AbhD3DUD (ORCPT ); Thu, 29 Apr 2021 23:20:03 -0400 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailnew.nyi.internal (Postfix) with ESMTP id 958CC5809A8; Thu, 29 Apr 2021 23:19:15 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute3.internal (MEProxy); Thu, 29 Apr 2021 23:19:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sholland.org; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm2; bh=zsgS/p6h6LoM1 J8DV/As4w6mpp5Hjtcaqy0MGncfGb0=; b=IVsYgx6Erbps3DgoGNfDzo/Dnv+W7 sX5dHISsksPYcGH8ivoGx0d37/qXrbx4dN2E9pMrSfWk156r1MjXW+PL2AkoYwpL gamy1ihTjJAvFO7V8QHuf1YGlt2vj5va4P6f/hXR+v4sXxi3n0fpXF/0rKIVHFGF Q21OZw4lYHlG7/DMPZHW9XgLSuX2nNIDcuZA4SCd3HtDbochEMAlksxcsRA9lz/q AyyF0QDLkKCBRA42ccZcoCU21kk3TFI4aLRsS0oRW379U2jMEZ7kbL6H0HBwCyJ2 Lx4n3Xqssv2f7dzcibMzdD1cdzd+8WuHI1tHWGoyuv+/Tn7UjlaUiBOPw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; bh=zsgS/p6h6LoM1J8DV/As4w6mpp5Hjtcaqy0MGncfGb0=; b=cNpNOlW3 AuctOc5lh4O+sPjFtMK1RMY968PFYAz7eSWZbjlBu6Lau8lCjrZyx37CAwKzeimQ FWcVe4FooA9Bfd6xhZccFK90XH9oKWonQzLqce1ao5iRZ7gPrEgqJg8s7Udc/2PG JJ5iZrROaVgXo9bF6hT9mnmLdsZX9h58wUu4T+i+qd218gvwBOfWJfRFlFKkUjz7 AcpAu5yhUvRYvTd073ME2qESj9owFvADP7kvBy8QXnb8tufzZ9EKmhPvbCK9/Os4 lkqUrfW+RkPD6ylOAlcxwszxRmyJ7LEdZFNu2oH/pFLVMCUR29KsaC1ZVXs7v+gP c93znQ4HxEO5Ig== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrvddvhedgieelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpefurghmuhgv lhcujfholhhlrghnugcuoehsrghmuhgvlhesshhhohhllhgrnhgurdhorhhgqeenucggtf frrghtthgvrhhnpeelueelgeettdfggfeuffevkefhuddtteeigfevhfdtffdtjefgteeg leeggedvudenucffohhmrghinhepuggvvhhitggvthhrvggvrdhorhhgnecukfhppeejtd drudefhedrudegkedrudehudenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhep mhgrihhlfhhrohhmpehsrghmuhgvlhesshhhohhllhgrnhgurdhorhhg X-ME-Proxy: Received: from titanium.stl.sholland.net (70-135-148-151.lightspeed.stlsmo.sbcglobal.net [70.135.148.151]) by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 29 Apr 2021 23:19:14 -0400 (EDT) From: Samuel Holland To: Rob Herring , Maxime Ripard , Chen-Yu Tsai , Jernej Skrabec , Felipe Balbi , Greg Kroah-Hartman Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Samuel Holland Subject: [PATCH v2 1/2] dt-bindings: usb: Document the Allwinner H6 DWC3 glue Date: Thu, 29 Apr 2021 22:19:11 -0500 Message-Id: <20210430031912.42252-2-samuel@sholland.org> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210430031912.42252-1-samuel@sholland.org> References: <20210430031912.42252-1-samuel@sholland.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org The RST_BUS_XHCI reset line in the H6 affects both the DWC3 core and the USB3 PHY. This suggests the reset line controls the USB3 IP as a whole. Represent this by attaching the reset line to a glue layer device. Signed-off-by: Samuel Holland --- .../usb/allwinner,sun50i-h6-dwc3.yaml | 75 +++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/allwinner,sun50i-h6-dwc3.yaml diff --git a/Documentation/devicetree/bindings/usb/allwinner,sun50i-h6-dwc3.yaml b/Documentation/devicetree/bindings/usb/allwinner,sun50i-h6-dwc3.yaml new file mode 100644 index 000000000000..936b5c74043f --- /dev/null +++ b/Documentation/devicetree/bindings/usb/allwinner,sun50i-h6-dwc3.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/allwinner,sun50i-h6-dwc3.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner H6 DWC3 USB controller + +maintainers: + - Chen-Yu Tsai + - Maxime Ripard + +properties: + compatible: + const: allwinner,sun50i-h6-dwc3 + + "#address-cells": true + + "#size-cells": true + + ranges: true + + resets: + maxItems: 1 + +# Required child node: + +patternProperties: + "^phy@[0-9a-f]+$": + $ref: ../phy/allwinner,sun50i-h6-usb3-phy.yaml# + + "^usb@[0-9a-f]+$": + $ref: snps,dwc3.yaml# + +required: + - compatible + - ranges + - resets + +additionalProperties: false + +examples: + - | + #include + #include + #include + + usb3: usb@5200000 { + compatible = "allwinner,sun50i-h6-dwc3"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + resets = <&ccu RST_BUS_XHCI>; + + dwc3: usb@5200000 { + compatible = "snps,dwc3"; + reg = <0x05200000 0x10000>; + interrupts = ; + clocks = <&ccu CLK_BUS_XHCI>, + <&ccu CLK_BUS_XHCI>, + <&rtc 0>; + clock-names = "ref", "bus_early", "suspend"; + dr_mode = "host"; + phys = <&usb3phy>; + phy-names = "usb3-phy"; + }; + + usb3phy: phy@5210000 { + compatible = "allwinner,sun50i-h6-usb3-phy"; + reg = <0x5210000 0x10000>; + clocks = <&ccu CLK_USB_PHY1>; + resets = <&ccu RST_USB_PHY1>; + #phy-cells = <0>; + }; + };