From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 95661C43381 for ; Thu, 28 Feb 2019 18:45:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 789B4218D0 for ; Thu, 28 Feb 2019 18:45:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732364AbfB1Spu (ORCPT ); Thu, 28 Feb 2019 13:45:50 -0500 Received: from unicorn.mansr.com ([81.2.72.234]:49122 "EHLO unicorn.mansr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726232AbfB1Spr (ORCPT ); Thu, 28 Feb 2019 13:45:47 -0500 Received: by unicorn.mansr.com (Postfix, from userid 51770) id 4989D15632; Thu, 28 Feb 2019 18:45:45 +0000 (GMT) From: Mans Rullgard To: Greg Kroah-Hartman , Rob Herring , Mark Rutland Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] dt-bindings: usb: add non-removable-ports hub property Date: Thu, 28 Feb 2019 18:45:39 +0000 Message-Id: <20190228184540.24570-1-mans@mansr.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a non-removable-ports property that lists the hardwired downstream ports of a hub. Although hubs can provide this information, they are not always configured correctly. An alternate means of indicating this for built-in USB devices is thus useful. Signed-off-by: Mans Rullgard --- Documentation/devicetree/bindings/usb/usb-device.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/usb-device.txt b/Documentation/devicetree/bindings/usb/usb-device.txt index 036be172b1ae..92d863cc96b6 100644 --- a/Documentation/devicetree/bindings/usb/usb-device.txt +++ b/Documentation/devicetree/bindings/usb/usb-device.txt @@ -66,6 +66,10 @@ Required properties for host-controller nodes with device nodes: - #size-cells: shall be 0 +Optional properties for hub and host-controller nodes: +- non-removable-ports: list of hardwired downstream ports + + Example: &usb1 { /* host controller */ -- 2.20.1