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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-02-01 00:41:33 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-02-01 00:41:33 -0800 |
commit | 10a558374f3751cf4eb55143008975641dfc2cf4 (patch) | |
tree | aab0def9d2289f6520ffb62ec4c1d738135447c4 /Documentation/devicetree/bindings/usb/maxim,max3421.txt | |
parent | fafef982c7353e8982b951e40573e990ccf0ed00 (diff) | |
parent | d8a5b80568a9cb66810e75b182018e9edb68e8ff (diff) | |
download | linux-10a558374f3751cf4eb55143008975641dfc2cf4.tar.bz2 |
Merge tag 'v4.15' into next
Sync with mainline to get in trackpoint updates and other changes.
Diffstat (limited to 'Documentation/devicetree/bindings/usb/maxim,max3421.txt')
-rw-r--r-- | Documentation/devicetree/bindings/usb/maxim,max3421.txt | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/maxim,max3421.txt b/Documentation/devicetree/bindings/usb/maxim,max3421.txt new file mode 100644 index 000000000000..8cdbe0c85188 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/maxim,max3421.txt @@ -0,0 +1,26 @@ +Maxim Integrated SPI-based USB 2.0 host controller MAX3421E + +Required properties: + - compatible: Should be "maxim,max3421" + - spi-max-frequency: maximum frequency for this device must not exceed 26 MHz. + - reg: chip select number to which this device is connected. + - maxim,vbus-en-pin: <GPOUTx ACTIVE_LEVEL> + GPOUTx is the number (1-8) of the GPOUT pin of MAX3421E to drive Vbus. + ACTIVE_LEVEL is 0 or 1. + - interrupts: the interrupt line description for the interrupt controller. + The driver configures MAX3421E for active low level triggered interrupts, + configure your interrupt line accordingly. + +Optional property: + - interrupt-parent: the phandle to the associated interrupt controller. + +Example: + + usb@0 { + compatible = "maxim,max3421"; + reg = <0>; + maxim,vbus-en-pin = <3 1>; + spi-max-frequency = <26000000>; + interrupt-parent = <&PIC>; + interrupts = <42>; + }; |