From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thinh Nguyen Subject: [PATCH 08/15] usb: dwc3: Make RX/TX threshold configurable Date: Fri, 5 Jan 2018 12:14:48 -0800 Message-ID: <8446dc260efb993507a219ae11815607b8e58027.1515182391.git.thinhn@synopsys.com> References: Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Felipe Balbi , Thinh Nguyen , linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Rob Herring , Mark Rutland Cc: John Youn List-Id: devicetree@vger.kernel.org DWC_usb31 periodic transfer at 48K+ bytes per interval may need modification to the TX/RX packet threshold to achieve optimal result. Add properties to make it configurable. Cc: John Youn Signed-off-by: Thinh Nguyen --- Documentation/devicetree/bindings/usb/dwc3.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt index 52fb41046b34..02dde83d02fa 100644 --- a/Documentation/devicetree/bindings/usb/dwc3.txt +++ b/Documentation/devicetree/bindings/usb/dwc3.txt @@ -55,6 +55,12 @@ Optional properties: - snps,quirk-frame-length-adjustment: Value for GFLADJ_30MHZ field of GFLADJ register for post-silicon frame length adjustment when the fladj_30mhz_sdbnd signal is invalid or incorrect. + - snps,rx_thr_sel_prd: set to enable periodic ESS RX packet threshold. + - snps,rx_thr_num_pkt_prd: periodic ESS RX packet threshold count. + - snps,rx_max_burst_prd: Max periodic ESS RX burst size. + - snps,tx_thr_sel_prd: set to enable periodic ESS TX packet threshold. + - snps,tx_thr_num_pkt_prd: periodic ESS TX packet threshold count. + - snps,tx_max_burst_prd: Max periodic ESS TX burst size. - tx-fifo-resize: determines if the FIFO *has* to be reallocated. -- 2.11.0 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html