From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> References: <1375812518-3847-1-git-send-email-ttynkkynen@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1375812518-3847-1-git-send-email-ttynkkynen@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org To: balbi@ti.com Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, swarren@wwwdotorg.org, gregkh@linuxfoundation.org, stern@rowland.harvard.edu, Tuomas Tynkkynen List-Id: 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 -- 1.8.1.5