From: Jules Maselbas Date: Fri, 15 Sep 2017 16:58:46 +0000 (+0200) Subject: dt-bindings: max3421: Add bindings documentation X-Git-Tag: v4.15-rc1~140^2~168 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=06e5e0045afd5f3165ba4d11f23e448d8d2ecbd4;p=linux.git dt-bindings: max3421: Add bindings documentation Adds bindings documentation for the max3421 driver. Signed-off-by: Jules Maselbas Acked-by: Rob Herring Signed-off-by: Greg Kroah-Hartman --- diff --git a/Documentation/devicetree/bindings/usb/maxim,max3421.txt b/Documentation/devicetree/bindings/usb/maxim,max3421.txt new file mode 100644 index 000000000000..7536c3ab3e5a --- /dev/null +++ b/Documentation/devicetree/bindings/usb/maxim,max3421.txt @@ -0,0 +1,24 @@ +Maxim Integrated SPI-based USB 2.0 host controller MAX3421E + +Required properties: + - compatible: "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 is the number (1-8) of the GPOUT pin of MAX3421E to drive Vbus. + ACTIVE_LEVEL is 0 or 1. + - interrupt-parent: the phandle of the associated interrupt controller. + - interrupts: the interuption line description for the interrupt controller. + The driver configures MAX3421E for active low level triggered interrupts, + configure your interrupt line accordingly. + +Example: + + usb@0 { + compatible = "maxim,max3421"; + reg = <0>; + maxim,vbus-en-pin = <3 1>; + spi-max-frequency = <26000000>; + interrupt-parent = <&PIC>; + interrupts = <42>; + };