From c532e74c4ba8f06c5a94c9a79d75e3bf8e7266ff Mon Sep 17 00:00:00 2001 From: Peter Chen Date: Tue, 13 Oct 2015 17:18:22 +0800 Subject: [PATCH] doc: dt-binding: ci-hdrc-usb2: improve property description Improve the description of properties "tx-burst-size-dword" and "rx-burst-size-dword". Signed-off-by: Peter Chen Cc: Lucas Stach Cc: Shanw Guo --- Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt index 77946f57a3a4..e4e30cc3c05d 100644 --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt @@ -41,11 +41,15 @@ Optional properties: - tx-burst-size-dword: it is vendor dependent, the tx burst size in dword (4 bytes), This register represents the maximum length of a the burst in 32-bit words while moving data from system memory to the USB - bus, changing this value takes effect only the SBUSCFG.AHBBRST is 0. + bus, the value of this property will only take effect if property + "ahb-burst-config" is set to 0, if this property is missing the reset + default of the hardware implementation will be used. - rx-burst-size-dword: it is vendor dependent, the rx burst size in dword (4 bytes), This register represents the maximum length of a the burst in 32-bit words while moving data from the USB bus to system memory, - changing this value takes effect only the SBUSCFG.AHBBRST is 0. + the value of this property will only take effect if property + "ahb-burst-config" is set to 0, if this property is missing the reset + default of the hardware implementation will be used. - extcon: phandles to external connector devices. First phandle should point to external connector, which provide "USB" cable events, the second should point to external connector device, which provide "USB-HOST" cable events. If one -- 2.39.2