linux-kernel - [PATCH v6 3/4] arm64: dts: dwc3: description of incr burst type

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Message-Id: <1532341959-3478-3-git-send-email-pengbo.mu@nxp.com>
Date:   Mon, 23 Jul 2018 18:32:38 +0800
From:   Pengbo Mu <pengbo.mu@....com>
To:     Felipe Balbi <balbi@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        ran.wang_1@....com, pengbo.mu@....com
Subject: [PATCH v6 3/4] arm64: dts: dwc3: description of incr burst type

Add description of 'snps,incr-burst-type-adjustment' to binding
so that configuring devicetree.

Signed-off-by: Ran Wang <ran.wang_1@....com>
Signed-off-by: Pengbo Mu <pengbo.mu@....com>
---
 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 7f13ebe..3e4c38b 100644
--- a/Documentation/devicetree/bindings/usb/dwc3.txt
+++ b/Documentation/devicetree/bindings/usb/dwc3.txt
@@ -96,6 +96,11 @@ Optional properties:
 			enable periodic ESS TX threshold.
 
  - <DEPRECATED> tx-fifo-resize: determines if the FIFO *has* to be reallocated.
+ - snps,incr-burst-type-adjustment: Value for INCR burst type of GSBUSCFG0
+			register, undefined length INCR burst type enable and INCRx type.
+			When just one value, which means INCRX burst mode enabled. When
+			more than one value, which means undefined length INCR burst type
+			enabled. The values can be 1, 4, 8, 16, 32, 64, 128 and 256.
 
  - in addition all properties from usb-xhci.txt from the current directory are
    supported as well
@@ -108,4 +113,5 @@ dwc3@...30000 {
 	reg = <0x4a030000 0xcfff>;
 	interrupts = <0 92 4>
 	usb-phy = <&usb2_phy>, <&usb3,phy>;
+	snps,incr-burst-type-adjustment = <1>, <4>, <8>, <16>;
 };
-- 
2.7.4