From patchwork Fri Nov 22 06:55:53 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hanjie Lin X-Patchwork-Id: 11257255 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6FAF914C0 for ; Fri, 22 Nov 2019 06:57:00 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4C5A92068F for ; Fri, 22 Nov 2019 06:57:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="LG5/X9O8" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4C5A92068F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=amlogic.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=efyVDIQIdAtfCGzMtWUxtvwL7tvHdcfaGxVUeg508Gs=; b=LG5/X9O8kHw7Ek A6K8Mr81duG6wwHv4zevb+aDyCoaIQ3wCeYA+MHy7snAVoA5bJNbGAwduSlrQELvqfsEoYmRFJvYo hT+gr6sC6LLy5qxXUWII8ZS3xboGiOB8AMFnXuf3LhaQFHMZR+7agt6XkQe0LcabAYbpO5Xoy41hl 6YFdBvVxLOoPDNhIPvoqC++3UiWiQ+fsVDCKEdZNaxKgQ/mSpwsZyWRFIYEgCxQJxLhdelFJXEHiN e9BrTTIFO4uNEs1CRJ9VurdaekiyBQc5BC1QmhAINUcAFqxuahUOF+6lQdSNGoWEtwoVKXPJiCdwn hBvlQnA1lJDc3jmgUzdw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iY2sC-00028R-7T; Fri, 22 Nov 2019 06:56:56 +0000 Received: from mail-sh.amlogic.com ([58.32.228.43]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iY2rW-0001XO-H3; Fri, 22 Nov 2019 06:56:15 +0000 Received: from droid10.amlogic.com (10.18.11.213) by mail-sh.amlogic.com (10.18.11.5) with Microsoft SMTP Server id 15.1.1591.10; Fri, 22 Nov 2019 14:56:24 +0800 From: Hanjie Lin To: Jerome Brunet , Neil Armstrong , Rob Herring , Greg Kroah-Hartman , Felipe Balbi , Kevin Hilman Subject: [PATCH 2/6] dt-bindings: usb: dwc3: Add the Amlogic A1 Family DWC3 Glue Bindings Date: Fri, 22 Nov 2019 14:55:53 +0800 Message-ID: <1574405757-76184-3-git-send-email-hanjie.lin@amlogic.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1574405757-76184-1-git-send-email-hanjie.lin@amlogic.com> References: <1574405757-76184-1-git-send-email-hanjie.lin@amlogic.com> MIME-Version: 1.0 X-Originating-IP: [10.18.11.213] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191121_225614_573717_7BBD9FF2 X-CRM114-Status: UNSURE ( 8.86 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Hanjie Lin , Victor Wan , Jianxin Pan , Stephen Boyd , Michael Turquette , linux-usb@vger.kernel.org, Yue Wang , Martin Blumenstingl , Liang Yang , Qiufang Dai , Xingyu Chen , Carlo Caione , linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Jian Hu Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The Amlogic A1 SoC Family embeds 1 USB Controllers: - a DWC3 IP configured as Host for USB2 and USB3 A glue connects the controllers to the USB2 PHY of A1 SoC. Signed-off-by: Hanjie Lin Signed-off-by: Yue Wang --- .../devicetree/bindings/usb/amlogic,dwc3.txt | 53 ++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/amlogic,dwc3.txt b/Documentation/devicetree/bindings/usb/amlogic,dwc3.txt index 6ffb09b..63dc60b 100644 --- a/Documentation/devicetree/bindings/usb/amlogic,dwc3.txt +++ b/Documentation/devicetree/bindings/usb/amlogic,dwc3.txt @@ -128,3 +128,56 @@ Example device nodes: snps,quirk-frame-length-adjustment; }; }; + +Amlogic Meson A1 DWC3 USB SoC Controller Glue + +The Amlogic A1 embeds a DWC3 USB IP Core configured for USB2 in +host-only mode. + +Required properties: +- compatible: Should be "amlogic,meson-a1-usb-ctrl" +- clocks: The clocks needed by the usb controller +- clock-names: Should contain the name of the clocks: "usb_ctrl", "usb_bus", + "xtal_usb_phy", "xtal_usb_ctrl" +- resets: a handle for the shared "USB" reset line +- reg: The base address and length of the registers +- phys: handle to used PHYs on the system + - a <0> phandle can be used if a PHY is not used +- phy-names: names of the used PHYs on the system : + - "usb2-phy0" for USB2 PHY if USBHOST port is used + +Required child nodes: + +A child node must exist to represent the core DWC3 IP block. The name of +the node is not important. The content of the node is defined in dwc3.txt. + +PHY documentation is provided in the following places: +- Documentation/devicetree/bindings/phy/amlogic,meson-a1-usb2-phy.yaml + +Example device nodes: + usb: usb@ffe09000 { + status = "okay"; + compatible = "amlogic,meson-a1-usb-ctrl"; + reg = <0x0 0xffe09000 0x0 0xa0>; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + clocks = <&clkc_periphs CLKID_USB_CTRL>, + <&clkc_periphs CLKID_USB_BUS>, + <&clkc_periphs CLKID_XTAL_USB_PHY>, + <&clkc_periphs CLKID_XTAL_USB_CTRL>; + clock-names = "usb_ctrl", "usb_bus", "xtal_usb_phy", "xtal_usb_ctrl"; + resets = <&reset RESET_USBCTRL>; + phys = <&usb2_phy0>; + phy-names = "usb2-phy0"; + + dwc3: usb@ff400000 { + compatible = "snps,dwc3"; + reg = <0x0 0xff400000 0x0 0x100000>; + interrupts = ; + dr_mode = "host"; + snps,dis_u2_susphy_quirk; + snps,quirk-frame-length-adjustment = <0x20>; + }; + };