Add optional properties for power sequence.
Signed-off-by: Peter Chen <[email protected]>
---
Documentation/devicetree/bindings/usb/usb-device.txt | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/usb-device.txt
b/Documentation/devicetree/bindings/usb/usb-device.txt
index 1c35e7b..ef0c9b2 100644
--- a/Documentation/devicetree/bindings/usb/usb-device.txt
+++ b/Documentation/devicetree/bindings/usb/usb-device.txt
@@ -13,6 +13,10 @@ Required properties:
- reg: the port number which this device is connecting to, the range
is 1-31.
+Optional properties:
+power sequence properties, see
+Documentation/devicetree/bindings/power/pwrseq/pwrseq-generic.txt for detail
+
Example:
&usb1 {
@@ -24,5 +28,11 @@ Example:
hub: genesys@1 {
compatible = "usb5e3,608";
reg = <1>;
+
+ power-sequence;
+ clocks = <&clks IMX6SX_CLK_CKO>;
+ clock-names = "pwrseq-clk";
+ pwrseq-reset-gpios = <&gpio4 5 GPIO_ACTIVE_LOW>; /* hub reset
pin */
+ pwrseq-reset-duration-us = <10>;
};
}
--
1.9.1
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