This adds the support for GPIO based USB-C SS data lane muxing. Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx> --- .../devicetree/bindings/usb/gpio-sbu-mux.yaml | 82 +++++++++++++++++++--- 1 file changed, 71 insertions(+), 11 deletions(-) diff --git a/Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml b/Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml index bf4b1d016e1f..796f3283ac02 100644 --- a/Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml +++ b/Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml @@ -4,24 +4,26 @@ $id: "http://devicetree.org/schemas/usb/gpio-sbu-mux.yaml#"; $schema: "http://devicetree.org/meta-schemas/core.yaml#"; -title: GPIO-based SBU mux +title: GPIO-based SS/SBU mux maintainers: - Bjorn Andersson <andersson@xxxxxxxxxx> description: - In USB Type-C applications the SBU lines needs to be connected, disconnected - and swapped depending on the altmode and orientation. This binding describes - a family of hardware solutions which switches between these modes using GPIO - signals. + In USB Type-C applications the SS/SBU lines needs to be connected, + disconnected and swapped depending on the altmode and orientation. This + binding describes a family of hardware solutions which switches between these + modes using GPIO signals. properties: compatible: - items: - - enum: - - onnn,fsusb43l10x - - pericom,pi3usb102 - - const: gpio-sbu-mux + oneOf: + - items: + - enum: + - onnn,fsusb43l10x + - pericom,pi3usb102 + - const: gpio-sbu-mux + - const: gpio-ss-mux enable-gpios: description: Switch enable GPIO @@ -50,10 +52,18 @@ required: - compatible - enable-gpios - select-gpios - - mode-switch - orientation-switch - port +if: + properties: + compatible: + contains: + const: gpio-sbu-mux +then: + required: + - mode-switch + additionalProperties: false examples: @@ -107,4 +117,54 @@ examples: }; }; }; + + - | + #include <dt-bindings/gpio/gpio.h> + + tcpm { + connector { + compatible = "usb-c-connector"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + tcpm_hs_out: endpoint { + remote-endpoint = <&usb_hs_phy_in>; + }; + }; + + port@1 { + reg = <1>; + tcpm_ss_out: endpoint { + remote-endpoint = <&usb_ss_phy_in>; + }; + }; + + port@2 { + reg = <2>; + tcpm_ss_mux_out: endpoint { + remote-endpoint = <&ss_mux_in>; + }; + }; + }; + }; + }; + + usb-ss-mux { + compatible = "gpio-ss-mux"; + + enable-gpios = <&tlmm 101 GPIO_ACTIVE_LOW>; + select-gpios = <&tlmm 164 GPIO_ACTIVE_HIGH>; + + orientation-switch; + + port { + ss_mux_in: endpoint { + remote-endpoint = <&tcpm_ss_mux_out>; + }; + }; + }; ... -- 2.39.2
