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authorIvan T. Ivanov <ivan.ivanov@linaro.org>2015-09-07 14:45:25 +0300
committerPeter Chen <peter.chen@freescale.com>2015-10-22 09:24:25 +0800
commit3ecb3e09b042e70799ff3a1ff464a5ecaa7547d9 (patch)
treefea2789cc3e67fac569c9a47d7035b1e33a032d2 /Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
parentffa2366666f06ce1df3296d106d90e0c2e0cd6b7 (diff)
usb: chipidea: Use extcon framework for VBUS and ID detect
On recent Qualcomm platforms VBUS and ID lines are not routed to USB PHY LINK controller. Use extcon framework to receive connect and disconnect ID and VBUS notification. Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org> Signed-off-by: Peter Chen <peter.chen@freescale.com>
Diffstat (limited to 'Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt')
-rw-r--r--Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
index a057b75ba4b5..db48bad84228 100644
--- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
+++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
@@ -46,6 +46,11 @@ Optional properties:
(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.
+- 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
+ of the external connector devices is not required, empty <0> phandle should
+ be specified.
Example:
@@ -62,4 +67,5 @@ Example:
ahb-burst-config = <0x0>;
tx-burst-size-dword = <0x10>; /* 64 bytes */
rx-burst-size-dword = <0x10>;
+ extcon = <0>, <&usb_id>;
};