From patchwork Tue Jan 19 10:10:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Howard Yen X-Patchwork-Id: 366636 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=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, 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, USER_IN_DEF_DKIM_WL 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 86A3AC4321A for ; Tue, 19 Jan 2021 12:21:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4E5C123104 for ; Tue, 19 Jan 2021 12:21:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392532AbhASMQs (ORCPT ); Tue, 19 Jan 2021 07:16:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54582 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389749AbhASKPn (ORCPT ); Tue, 19 Jan 2021 05:15:43 -0500 Received: from mail-qt1-x84a.google.com (mail-qt1-x84a.google.com [IPv6:2607:f8b0:4864:20::84a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 67847C061793 for ; Tue, 19 Jan 2021 02:12:31 -0800 (PST) Received: by mail-qt1-x84a.google.com with SMTP id 22so17769611qty.14 for ; Tue, 19 Jan 2021 02:12:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=NjVlArdIN6XBREuMLmty8CemszohTwcOxRUNv6vk0tE=; b=UAANM1vPEyK7nnN0KCnU2dCdvDX9ddj2cmxwwLimZZVKPH+auhlB6cTX3b92qgNccC Th5o/ePELfILePjL9zfdtbv2tjholwMLzpIv2nwRVPWegVEHowxWP4ZZxmLcw1HntgSg n++/Vk9KHT26SpvMeB4DrZ9/XT9UruIMjn2/FqWWhP2Vc73WZr1rroDsQWp+GbDRpRt+ qQY0RPbIhGSLyLjmhGditDJvEh3j6TuU8GFOMCAeGA5ReTOLKvOfyF/dYjH+Qy4Tx65s wRWNgGWuhtRBeYTyVGZty2tw08bvF8suqoMYj+2sr4noSJ3WXwGSo1A2WbcavUDE2xTa WYPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=NjVlArdIN6XBREuMLmty8CemszohTwcOxRUNv6vk0tE=; b=q3vPVDwyVSnIwEriAAXe2Nnw1k9WVF7F46E06iNeS8O+eNYNhQhDUDY2MWU9JvD65M ZIBBF1OJng7UNAhOPRrCiFBloHlsencDN35l+YVD9CPUNELYdzEDcCfZMJDnllljmx8z s0zIYay5sux3Ez2r09+Q0h0erp0W369ViU3XAa3o6M6F1PU/6zY3+VNN+94sNmxELrV1 DEwyMS/JTNW7j6yGvYqb+EM7g8F9QKgQ+uTb3c0QRTT4b9/H2z9ms4oDYCZ0Zj74JZgt wMJJX6ROgeKHTrG1OpP7jkFYrDAktIHK8LONDRzTpWiW6fLONQjecdRWIj/hjma9atWq FuqQ== X-Gm-Message-State: AOAM531XoV8NM7pyGfiNagbxAZMapWj+SNuLQLz4xkOm4XwRXY1ve0Me 6cqSS5l+vqmgjHQ5fRnOGzjGMOT6qx2dZpg= X-Google-Smtp-Source: ABdhPJzKmB2mfsO4Dgp4lThaRebuuK4DObPDnyCOuCOnRLulqfaZapr8g6IraFi2N/rrIFpFg8uebolojyene2A= Sender: "howardyen via sendgmr" X-Received: from howardyen.ntc.corp.google.com ([2401:fa00:fc:202:5d06:ba6f:6a89:a201]) (user=howardyen job=sendgmr) by 2002:ad4:49cd:: with SMTP id j13mr3666683qvy.5.1611051150583; Tue, 19 Jan 2021 02:12:30 -0800 (PST) Date: Tue, 19 Jan 2021 18:10:44 +0800 In-Reply-To: <20210119101044.1637023-1-howardyen@google.com> Message-Id: <20210119101044.1637023-5-howardyen@google.com> Mime-Version: 1.0 References: <20210119101044.1637023-1-howardyen@google.com> X-Mailer: git-send-email 2.30.0.284.gd98b1dd5eaa7-goog Subject: [PATCH 4/4] dt-bindings: usb: usb-xhci: add USB offload support From: Howard Yen To: gregkh@linuxfoundation.org, robh+dt@kernel.org, mathias.nyman@intel.com Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Howard Yen Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Document USB offload support for usb-xhci. For example: &usbdrd_dwc3 { ... /* support usb offloading, 0: disabled, 1: audio */ offload = <1>; ... }; Signed-off-by: Howard Yen --- Documentation/devicetree/bindings/usb/usb-xhci.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt index b120dd6612a2..aab1fd499f15 100644 --- a/Documentation/devicetree/bindings/usb/usb-xhci.txt +++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt @@ -46,6 +46,7 @@ Optional properties: - quirk-broken-port-ped: set if the controller has broken port disable mechanism - imod-interval-ns: default interrupt moderation interval is 5000ns - phys : see usb-hcd.yaml in the current directory + - offload: supporting USB offload feature, 0: disabled, 1: audio additionally the properties from usb-hcd.yaml (in the current directory) are supported.