From patchwork Thu May 26 10:13:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Harsh Agarwal X-Patchwork-Id: 577049 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 221A8C433F5 for ; Thu, 26 May 2022 10:14:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347002AbiEZKOU (ORCPT ); Thu, 26 May 2022 06:14:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346990AbiEZKOR (ORCPT ); Thu, 26 May 2022 06:14:17 -0400 Received: from alexa-out-sd-01.qualcomm.com (alexa-out-sd-01.qualcomm.com [199.106.114.38]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 59D75C9EFD; Thu, 26 May 2022 03:14:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1653560054; x=1685096054; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=g+cyrhMeyrVoCdu+x9iUHWPiuLCWcz2F2MDq4VUo9l8=; b=dC0jUcGBWATA/4+cvKMP2mfbNrfmBZyvLJr4A5CWZ5nyU0GPLcgVXWL1 SwQp93Trb8Vq2vKuohWYpf1yP8u3NExwtpQb6fhKAtepvGgKKoP5Y4fpy g1eFuHEb5+KLrdU3ABH6uWP2t3vOs8Xnx13GzNkhnfvU3PWnAVtSzxHtt 8=; Received: from unknown (HELO ironmsg-SD-alpha.qualcomm.com) ([10.53.140.30]) by alexa-out-sd-01.qualcomm.com with ESMTP; 26 May 2022 03:14:14 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg-SD-alpha.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 May 2022 03:14:13 -0700 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Thu, 26 May 2022 03:14:13 -0700 Received: from hu-harshq-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Thu, 26 May 2022 03:14:09 -0700 From: Harsh Agarwal To: Greg Kroah-Hartman , Philipp Zabel , Rob Herring , "Krzysztof Kozlowski" , Bjorn Andersson , Felipe Balbi CC: , , , , , Harsh Agarwal Subject: [RFC v2 1/2] dt-bindings: usb: dwc3: Add support for multiport related properties Date: Thu, 26 May 2022 15:43:48 +0530 Message-ID: <1653560029-6937-2-git-send-email-quic_harshq@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1653560029-6937-1-git-send-email-quic_harshq@quicinc.com> References: <1653560029-6937-1-git-send-email-quic_harshq@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Added support for multiport, mport, num-ssphy and num-hsphy properties. These properties are used to support devices having a multiport controller. Signed-off-by: Harsh Agarwal --- .../devicetree/bindings/usb/snps,dwc3.yaml | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml index f4471f8..3a506aa 100644 --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml @@ -341,6 +341,34 @@ properties: This port is used with the 'usb-role-switch' property to connect the dwc3 to type C connector. + multiport: + description: + If a single USB controller supports multiple ports, then it's referred to as + a multiport controller. Each port of the multiport controller can support + either High Speed or Super Speed or both and have their own PHY phandles. Each + port is represented by "mport" node and all the "mport" nodes are grouped + together inside the "multiport" node where individual "mport" node defines the + PHYs supported by that port. + required: + - mport + + num-hsphy: + description: Total number of HS-PHYs defined by the multiport controller. + $ref: /schemas/types.yaml#/definitions/uint32 + + num-ssphy: + description: Total number of SS-PHYs defined by the multiport controller. + $ref: /schemas/types.yaml#/definitions/uint32 + + mport: + description: Each mport node represents one port of the multiport controller. + oneOf: + - required: + - usb-phy + - required: + - phys + - phy-names + unevaluatedProperties: false required: @@ -369,4 +397,31 @@ examples: snps,dis_u2_susphy_quirk; snps,dis_enblslpm_quirk; }; + - | + usb@4a000000 { + compatible = "snps,dwc3"; + reg = <0x4a000000 0xcfff>; + interrupts = <0 92 4>; + + multiport { + + MP_1: mport@1 { + usb-phy = <&usb2_phy0>, <&usb3_phy0>; + /* Can define Generic PHYs also */ + }; + + MP_2: mport@2 { + usb-phy = <&usb2_phy1>, <&usb3_phy1>; + }; + + MP_3: mport@3 { + usb-phy = <&usb2_phy2>; + }; + + MP_4: mport@4 { + usb-phy = <&usb2_phy3>; + }; + + }; + }; ...