From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Jun Li Subject: [PATCH v3 1/2] dt-bindings: usb: add documentation for typec switch via GPIO Date: Mon, 11 Mar 2019 10:40:09 +0000 Message-ID: <1552299557-6306-1-git-send-email-jun.li@nxp.com> Content-Language: en-US Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 To: "robh+dt@kernel.org" , "heikki.krogerus@linux.intel.com" Cc: "gregkh@linuxfoundation.org" , "hdegoede@redhat.com" , "andy.shevchenko@gmail.com" , "linux-usb@vger.kernel.org" , "devicetree@vger.kernel.org" , dl-linux-imx List-ID: Some typec super speed active channel switch can be controlled via a GPIO, this binding can be used to specify the switch node by a GPIO and the remote endpoint of its consumer. Signed-off-by: Li Jun --- .../devicetree/bindings/usb/typec-switch-gpio.txt | 30 ++++++++++++++++++= ++++ 1 file changed, 30 insertions(+) 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 0000000..4ef76cf --- /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 =3D "nxp,ptn36043"; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_ss_sel>; + gpios =3D <&gpio3 15 GPIO_ACTIVE_HIGH>; + orientation-switch; + + port { + usb3_data_ss: endpoint { + remote-endpoint =3D <&typec_con_ss>; + }; + }; +}; --=20 2.7.4