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Message-Id: <1389264858-32664-3-git-send-email-andreas@gaisler.com> Date: Thu, 9 Jan 2014 11:54:14 +0100 From: Andreas Larsson <andreas@...sler.com> To: Felipe Balbi <balbi@...com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: Mark Rutland <mark.rutland@....com>, linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, software@...sler.com Subject: [PATCH 2/6] usb: gadget: gr_udc: Expand devicetree documentation Provide more information on the two different interrupt cases and more information of endpoint buffer sizes. Suggested by Mark Rutland. Signed-off-by: Andreas Larsson <andreas@...sler.com> --- Documentation/devicetree/bindings/usb/gr-udc.txt | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/usb/gr-udc.txt b/Documentation/devicetree/bindings/usb/gr-udc.txt index 0c5118f..e944522 100644 --- a/Documentation/devicetree/bindings/usb/gr-udc.txt +++ b/Documentation/devicetree/bindings/usb/gr-udc.txt @@ -12,17 +12,23 @@ Required properties: - reg : Address and length of the register set for the device -- interrupts : Interrupt numbers for this device +- interrupts : Interrupt numbers for this device. Either one interrupt number + for all interrupts, or one for status related interrupts, one for IN + endpoint related interrupts and one for OUT endpoint related interrupts. Optional properties: -- epobufsizes : An array of buffer sizes for OUT endpoints. If the property is - not present, or for endpoints outside of the array, 1024 is assumed by - the driver. - -- epibufsizes : An array of buffer sizes for IN endpoints. If the property is - not present, or for endpoints outside of the array, 1024 is assumed by - the driver. +- epobufsizes : Array of buffer sizes for OUT endpoints when they differ + from the default size of 1024. The array is indexed by the OUT endpoint + number. If the property is present it typically contains one entry for + each OUT endpoint of the core. Fewer entries overrides the default sizes + only for as many endpoints as the array contains. + +- epibufsizes : Array of buffer sizes for IN endpoints when they differ + from the default size of 1024. The array is indexed by the IN endpoint + number. If the property is present it typically contains one entry for + each IN endpoint of the core. Fewer entries overrides the default sizes + only for as many endpoints as the array contains. For further information look in the documentation for the GLIB IP core library: http://www.gaisler.com/products/grlib/grip.pdf -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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