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author | Peter Chen <peter.chen@freescale.com> | 2015-07-28 13:33:15 +0800 |
---|---|---|
committer | Nitin Garg <nitin.garg@nxp.com> | 2016-01-14 10:55:22 -0600 |
commit | 718974381bda240a2f8ae86165d53a92565606a5 (patch) | |
tree | dd4677d857468e87433abcf0cf94534929b76877 /Documentation/devicetree/bindings | |
parent | 0acd8ac0937b7d1de70ef5cbf179dec8b43072d6 (diff) |
MLK-11340-18 Doc: usb: ci-hdrc-usb2: add ahb-burst-config for binding doc
It is used to change ahb burst configuration for platforms, it is
vendor specific.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
(cherry picked from commit ea8b6305492336102e377c6dd1f145f75343024f)
Diffstat (limited to 'Documentation/devicetree/bindings')
-rw-r--r-- | Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt index 27f8b1e5ee46..d9c24f37a58b 100644 --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt @@ -10,6 +10,19 @@ Optional properties: - phys: reference to the USB PHY - phy-names: should be "usb-phy" - vbus-supply: reference to the VBUS regulator +- maximum-speed: limit the maximum connection speed to "full-speed". +- tpl-support: TPL (Targeted Peripheral List) feature for targeted hosts +- fsl,usbmisc: (FSL only) phandler of non-core register device, with one + argument that indicate usb controller index +- disable-over-current: (FSL only) disable over current detect +- external-vbus-divider: (FSL only) enables off-chip resistor divider for Vbus +- itc-setting: interrupt threshold control register control, the setting + should be aligned with ITC bits at register USBCMD. +- ahb-burst-config: it is vendor dependent, the required value should be + aligned with AHBBRST at SBUSCFG, the range is from 0x0 to 0x7. This + property is used to change AHB burst configuration, check the chipidea + spec for meaning of each value. If this property is not existed, it + will use the reset value. Example: @@ -21,4 +34,7 @@ Example: phys = <&usb_phy0>; phy-names = "usb-phy"; vbus-supply = <®_usb0_vbus>; + gadget-itc-setting = <0x4>; /* 4 micro-frames */ + /* Incremental burst of unspecified length */ + ahb-burst-config = <0x0>; }; |