From ad9480ae360a75d3c384dc69f669800a2d966bd2 Mon Sep 17 00:00:00 2001 From: Marco Felsch Date: Tue, 17 Sep 2019 16:44:46 +0200 Subject: [PATCH] dt-bindings: usb: usb251xb: add documentation for voltage supply Add the optional voltage supply documentation. If not specified the dummy-regulator is used. Signed-off-by: Marco Felsch Acked-by: Richard Leitner Link: https://lore.kernel.org/r/20190917144449.32739-2-m.felsch@pengutronix.de Signed-off-by: Greg Kroah-Hartman --- Documentation/devicetree/bindings/usb/usb251xb.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/usb/usb251xb.txt b/Documentation/devicetree/bindings/usb/usb251xb.txt index 17915f64b8ee..4d5808b1cee0 100644 --- a/Documentation/devicetree/bindings/usb/usb251xb.txt +++ b/Documentation/devicetree/bindings/usb/usb251xb.txt @@ -12,6 +12,7 @@ Required properties : Optional properties : - reset-gpios : Should specify the gpio for hub reset + - vdd-supply : Should specify the phandle to the regulator supplying vdd - skip-config : Skip Hub configuration, but only send the USB-Attach command - vendor-id : Set USB Vendor ID of the hub (16 bit, default is 0x0424) - product-id : Set USB Product ID of the hub (16 bit, default depends on type)