From patchwork Tue Sep 15 11:45:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Quadros X-Patchwork-Id: 11776273 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 E98AF92C for ; Tue, 15 Sep 2020 11:59:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CEC2021D7F for ; Tue, 15 Sep 2020 11:59:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="ciSXD2On" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726150AbgIOL6i (ORCPT ); Tue, 15 Sep 2020 07:58:38 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:49628 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726470AbgIOLqq (ORCPT ); Tue, 15 Sep 2020 07:46:46 -0400 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 08FBjrtZ127864; Tue, 15 Sep 2020 06:45:53 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1600170353; bh=0lW9ds17Xt2k5aIxGmpwPVJAVmIxkRT10vlHsczvB6o=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=ciSXD2OnGKkj4p9kJnK1czKM+6aK0MEHJ9cMRWUZPmVK3MX8TsGYob2dWAsu/eDSA Vgau0kiY78JrEMIZ48okUKXC9uhFXzwFu+EAoQ9Lx2wjlx0w6lcU1pE2F6Je/G9fWG yvBLBavwt6F8yz7hjmds4cED9J2maaWBhJCYhiFY= Received: from DFLE108.ent.ti.com (dfle108.ent.ti.com [10.64.6.29]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 08FBjrpV058178 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 15 Sep 2020 06:45:53 -0500 Received: from DFLE101.ent.ti.com (10.64.6.22) by DFLE108.ent.ti.com (10.64.6.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Tue, 15 Sep 2020 06:45:53 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE101.ent.ti.com (10.64.6.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Tue, 15 Sep 2020 06:45:52 -0500 Received: from lta0400828a.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 08FBjin8091853; Tue, 15 Sep 2020 06:45:50 -0500 From: Roger Quadros To: CC: , , , , , , , , Roger Quadros Subject: [PATCH v3 2/3] dt-bindings: usb: cdns,usb3: Add cdns,phyrst-a-enable property Date: Tue, 15 Sep 2020 14:45:42 +0300 Message-ID: <20200915114543.2599-3-rogerq@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200915114543.2599-1-rogerq@ti.com> References: <20200915114543.2599-1-rogerq@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Controller version 0x0002450D has USB2 PHY RX sensitivity issues that needs to be worked around by enabling phyrst-a-enable bit in PHYRST_CFG register. There is no way to know controller version before device controller is started and the workaround needs to be applied for both host and device modes, so we add this DT property. Signed-off-by: Roger Quadros Acked-by: Rob Herring --- Documentation/devicetree/bindings/usb/cdns,usb3.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml index 9b14c8443d39..ac20b98e9910 100644 --- a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml +++ b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml @@ -61,6 +61,10 @@ properties: buffers expressed in KB $ref: /schemas/types.yaml#/definitions/uint32 + cdns,phyrst-a-enable: + description: Enable resetting of PHY if Rx fail is detected + type: boolean + required: - compatible - reg