From f2a46c35b6e7c83fdf1c31c47828a95d74eda820 Mon Sep 17 00:00:00 2001 From: Li Jun Date: Mon, 28 Jan 2019 13:39:50 +0800 Subject: dt-bindings: usb: add documentation for typec switch via GPIO Some typec super speed active channel switch can be controled via a GPIO, this binding can be used to specify the switch node by a GPIO and the remote endpoint of its consumre. Signed-off-by: Li Jun --- .../devicetree/bindings/usb/typec-switch-gpio.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/typec-switch-gpio.txt (limited to 'Documentation/devicetree/bindings/usb') diff --git a/Documentation/devicetree/bindings/usb/typec-switch-gpio.txt b/Documentation/devicetree/bindings/usb/typec-switch-gpio.txt new file mode 100644 index 000000000000..4ef76cfdf3d5 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/typec-switch-gpio.txt @@ -0,0 +1,30 @@ +Typec orientation switch via a GPIO +----------------------------------- + +Required properties: +- compatible: should be set one of following: + - "nxp,ptn36043" for NXP Type-C SuperSpeed active switch. + +- gpios: the GPIO used to switch the super speed active channel, + GPIO_ACTIVE_HIGH: GPIO state high for cc1; + GPIO_ACTIVE_LOW: GPIO state low for cc1. +- orientation-switch: must be present. + +Required sub-node: +- port: specify the remote endpoint of typec switch consumer. + +Example: + +ptn36043 { + compatible = "nxp,ptn36043"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ss_sel>; + gpios = <&gpio3 15 GPIO_ACTIVE_HIGH>; + orientation-switch; + + port { + usb3_data_ss: endpoint { + remote-endpoint = <&typec_con_ss>; + }; + }; +}; -- cgit v1.2.3