From patchwork Mon Jan 30 11:49:46 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kishon Vijay Abraham I X-Patchwork-Id: 92828 Delivered-To: patch@linaro.org Received: by 10.140.20.99 with SMTP id 90csp1395242qgi; Mon, 30 Jan 2017 03:55:49 -0800 (PST) X-Received: by 10.98.150.70 with SMTP id c67mr22856601pfe.84.1485777349172; Mon, 30 Jan 2017 03:55:49 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id z4si12432707pfd.119.2017.01.30.03.55.48; Mon, 30 Jan 2017 03:55:49 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=ti.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753376AbdA3Lz1 (ORCPT + 25 others); Mon, 30 Jan 2017 06:55:27 -0500 Received: from lelnx193.ext.ti.com ([198.47.27.77]:59656 "EHLO lelnx193.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752808AbdA3LxR (ORCPT ); Mon, 30 Jan 2017 06:53:17 -0500 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by lelnx193.ext.ti.com (8.15.1/8.15.1) with ESMTP id v0UBpTn4015942; Mon, 30 Jan 2017 05:51:29 -0600 Received: from DLEE70.ent.ti.com (dlemailx.itg.ti.com [157.170.170.113]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id v0UBpT1o006859; Mon, 30 Jan 2017 05:51:29 -0600 Received: from dflp33.itg.ti.com (10.64.6.16) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.294.0; Mon, 30 Jan 2017 05:51:29 -0600 Received: from a0393678ub.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id v0UBnqIm005203; Mon, 30 Jan 2017 05:51:26 -0600 From: Kishon Vijay Abraham I To: CC: , Subject: [PATCH 12/15] dt-bindings: phy: Add documentation for NSP USB3 PHY Date: Mon, 30 Jan 2017 17:19:46 +0530 Message-ID: <1485776992-8818-24-git-send-email-kishon@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1485776992-8818-1-git-send-email-kishon@ti.com> References: <1485776992-8818-1-git-send-email-kishon@ti.com> MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yendapally Reddy Dhananjaya Reddy Add documentation for USB3 PHY available in Northstar plus SoC Signed-off-by: Yendapally Reddy Dhananjaya Reddy Signed-off-by: Kishon Vijay Abraham I --- .../devicetree/bindings/phy/brcm,nsp-usb3-phy.txt | 39 ++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/brcm,nsp-usb3-phy.txt -- 1.7.9.5 diff --git a/Documentation/devicetree/bindings/phy/brcm,nsp-usb3-phy.txt b/Documentation/devicetree/bindings/phy/brcm,nsp-usb3-phy.txt new file mode 100644 index 0000000..e68ae5d --- /dev/null +++ b/Documentation/devicetree/bindings/phy/brcm,nsp-usb3-phy.txt @@ -0,0 +1,39 @@ +Broadcom USB3 phy binding for northstar plus SoC +The USB3 phy is internal to the SoC and is accessed using mdio interface. + +Required mdio bus properties: +- reg: Should be 0x0 for SoC internal USB3 phy +- #address-cells: must be 1 +- #size-cells: must be 0 + +Required USB3 PHY properties: +- compatible: should be "brcm,nsp-usb3-phy" +- reg: USB3 Phy address on SoC internal MDIO bus and it should be 0x10. +- usb3-ctrl-syscon: handler of syscon node defining physical address + of usb3 control register. +- #phy-cells: must be 0 + +Required usb3 control properties: +- compatible: should be "brcm,nsp-usb3-ctrl" +- reg: offset and length of the control registers + +Example: + + mdio@0 { + reg = <0x0>; + #address-cells = <1>; + #size-cells = <0>; + + usb3_phy: usb-phy@10 { + compatible = "brcm,nsp-usb3-phy"; + reg = <0x10>; + usb3-ctrl-syscon = <&usb3_ctrl>; + #phy-cells = <0>; + status = "disabled"; + }; + }; + + usb3_ctrl: syscon@104408 { + compatible = "brcm,nsp-usb3-ctrl", "syscon"; + reg = <0x104408 0x3fc>; + };