From mboxrd@z Thu Jan 1 00:00:00 1970 From: peter.chen@freescale.com (Peter Chen) Date: Thu, 19 Mar 2015 09:19:12 +0800 Subject: [PATCH 01/12] Doc: usb: ci-hdrc-imx: add gadget-itc-setting for binding doc In-Reply-To: <1426727963-32280-1-git-send-email-peter.chen@freescale.com> References: <1426727963-32280-1-git-send-email-peter.chen@freescale.com> Message-ID: <1426727963-32280-2-git-send-email-peter.chen@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org It is used to configure the ITC (in register USBCMD) value for gadget mode. Signed-off-by: Peter Chen --- Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt index 38a5480..c21171e 100644 --- a/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt @@ -20,6 +20,8 @@ Optional properties: - external-vbus-divider: enables off-chip resistor divider for Vbus - maximum-speed: limit the maximum connection speed to "full-speed". - tpl-support: TPL (Targeted Peripheral List) feature for targeted hosts +- gadget-itc-setting: the ITC setting for gadget, the required value + should be aligned with ITC bits at register USBCMD. Examples: usb at 02184000 { /* USB OTG */ @@ -32,4 +34,5 @@ usb at 02184000 { /* USB OTG */ external-vbus-divider; maximum-speed = "full-speed"; tpl-support; + gadget-itc-setting = <0x4>; /* 4 micro-frames */ }; -- 1.9.1