From patchwork Tue Aug 6 18:08:36 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tuomas Tynkkynen X-Patchwork-Id: 265197 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 4902F2C008C for ; Wed, 7 Aug 2013 04:10:29 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756641Ab3HFSJ7 (ORCPT ); Tue, 6 Aug 2013 14:09:59 -0400 Received: from hqemgate16.nvidia.com ([216.228.121.65]:7472 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756633Ab3HFSJC (ORCPT ); Tue, 6 Aug 2013 14:09:02 -0400 Received: from hqnvupgp07.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com id ; Tue, 06 Aug 2013 11:08:23 -0700 Received: from hqemhub03.nvidia.com ([172.20.12.94]) by hqnvupgp07.nvidia.com (PGP Universal service); Tue, 06 Aug 2013 11:09:01 -0700 X-PGP-Universal: processed; by hqnvupgp07.nvidia.com on Tue, 06 Aug 2013 11:09:01 -0700 Received: from ttynkkynen-lnx.Nvidia.com (172.20.144.16) by hqemhub03.nvidia.com (172.20.150.15) with Microsoft SMTP Server (TLS) id 8.3.298.1; Tue, 6 Aug 2013 11:09:01 -0700 From: Tuomas Tynkkynen To: CC: , , , , , , Tuomas Tynkkynen Subject: [PATCH v2 4/6] Documentation: New DT parameters for tegra30-usb-phy Date: Tue, 6 Aug 2013 21:08:36 +0300 Message-ID: <1375812518-3847-5-git-send-email-ttynkkynen@nvidia.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1375812518-3847-1-git-send-email-ttynkkynen@nvidia.com> References: <1375812518-3847-1-git-send-email-ttynkkynen@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org Document the new device tree parameters for Tegra30 USB PHY. Signed-off-by: Tuomas Tynkkynen --- .../devicetree/bindings/usb/nvidia,tegra20-usb-phy.txt | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra20-usb-phy.txt b/Documentation/devicetree/bindings/usb/nvidia,tegra20-usb-phy.txt index 4c8ade8..ba797d3 100644 --- a/Documentation/devicetree/bindings/usb/nvidia,tegra20-usb-phy.txt +++ b/Documentation/devicetree/bindings/usb/nvidia,tegra20-usb-phy.txt @@ -3,7 +3,7 @@ Tegra SOC USB PHY The device node for Tegra SOC USB PHY: Required properties : - - compatible : Should be "nvidia,tegra20-usb-phy". + - compatible : Should be "nvidia,tegra-usb-phy". - reg : Defines the following set of registers, in the order listed: - The PHY's own register set. Always present. @@ -24,17 +24,26 @@ Required properties : Required properties for phy_type == ulpi: - nvidia,phy-reset-gpio : The GPIO used to reset the PHY. -Required PHY timing params for utmi phy: +Required PHY timing params for utmi phy, for all chips: - nvidia,hssync-start-delay : Number of 480 Mhz clock cycles to wait before start of sync launches RxActive - nvidia,elastic-limit : Variable FIFO Depth of elastic input store - nvidia,idle-wait-delay : Number of 480 Mhz clock cycles of idle to wait before declare IDLE. - nvidia,term-range-adj : Range adjusment on terminations - - nvidia,xcvr-setup : HS driver output control + - Either one of the following for HS driver output control: + - nvidia,xcvr-setup : integer, uses the provided value. + - nvidia,xcvr-setup-use-fuses : boolean, indicates that the value is read + from the on-chip fuses + If both are provided, nvidia,xcvr-setup-use-fuses takes precedence. - nvidia,xcvr-lsfslew : LS falling slew rate control. - nvidia,xcvr-lsrslew : LS rising slew rate control. +Required PHY timing params for utmi phy, only on Tegra30 and above: + - nvidia,xcvr-hsslew : HS slew rate control. + - nvidia,hssquelch-level : HS squelch detector level. + - nvidia,hsdiscon-level : HS disconnect detector level. + Optional properties: - nvidia,has-legacy-mode : boolean indicates whether this controller can operate in legacy mode (as APX 2500 / 2600). In legacy mode some