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| author | Stefan Agner <stefan.agner@toradex.com> | 2015-04-13 16:27:00 +0200 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2015-04-13 16:27:00 +0200 |
| commit | 7fe135336ccf13ace59d21ef0e73beb7c3cfe0dc (patch) | |
| tree | 12ada169af6bf6026f5931882f5ee834be70effe /Documentation | |
| parent | cac822bc058d87b7c9f44ff503aa6eb96bcebf78 (diff) | |
| parent | 961ea496facda611eeb153d8133a4d40055e56ca (diff) | |
Merge branch 'usb-next-chipidea' into toradex_vf_4.0-next
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/usb/usbmisc-imx.txt | 1 | ||||
| -rw-r--r-- | Documentation/usb/chipidea.txt | 21 |
2 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/usbmisc-imx.txt b/Documentation/devicetree/bindings/usb/usbmisc-imx.txt index c101a4b17131..3539d4e7d23e 100644 --- a/Documentation/devicetree/bindings/usb/usbmisc-imx.txt +++ b/Documentation/devicetree/bindings/usb/usbmisc-imx.txt @@ -5,6 +5,7 @@ Required properties: - compatible: Should be one of below: "fsl,imx6q-usbmisc" for imx6q "fsl,vf610-usbmisc" for Vybrid vf610 + "fsl,imx6sx-usbmisc" for imx6sx - reg: Should contain registers location and length Examples: diff --git a/Documentation/usb/chipidea.txt b/Documentation/usb/chipidea.txt index 995c8bca40e2..3f848c1f2940 100644 --- a/Documentation/usb/chipidea.txt +++ b/Documentation/usb/chipidea.txt @@ -69,3 +69,24 @@ cat /sys/kernel/debug/ci_hdrc.0/registers ---------------------- "On-The-Go and Embedded Host Supplement to the USB Revision 2.0 Specification July 27, 2012 Revision 2.0 version 1.1a" + +2. How to enable USB as system wakeup source +----------------------------------- +Below is the example for how to enable USB as system wakeup source +at imx6 platform. + +2.1 Enable core's wakeup +echo enabled > /sys/bus/platform/devices/ci_hdrc.0/power/wakeup +2.2 Enable glue layer's wakeup +echo enabled > /sys/bus/platform/devices/2184000.usb/power/wakeup +2.3 Enable PHY's wakeup (optional) +echo enabled > /sys/bus/platform/devices/20c9000.usbphy/power/wakeup +2.4 Enable roothub's wakeup +echo enabled > /sys/bus/usb/devices/usb1/power/wakeup +2.5 Enable related device's wakeup +echo enabled > /sys/bus/usb/devices/1-1/power/wakeup + +If the system has only one usb port, and you want usb wakeup at this port, you +can use below script to enable usb wakeup. +for i in $(find /sys -name wakeup | grep usb);do echo enabled > $i;done; + |