Add device tree binding document for TI HD3SS3220 Type-C DRP port controller driver.
Signed-off-by: Biju Das <[email protected]> --- v6-->V7 * Removed Rob's reviewed by tag, since there is a rework * Incorporated Sergie and Shimoda-San's review comment (https://patchwork.kernel.org/patch/10944629/) V5-->V6 * No change. V4-->V5 * No Change. V3-->V4 * No Change. V2-->V3 * Added Rob's Reviewed by tag. V1-->V2 * Added connector node. * updated the example with connector node. --- .../devicetree/bindings/usb/ti,hd3ss3220.txt | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/ti,hd3ss3220.txt diff --git a/Documentation/devicetree/bindings/usb/ti,hd3ss3220.txt b/Documentation/devicetree/bindings/usb/ti,hd3ss3220.txt new file mode 100644 index 0000000..25780e9 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/ti,hd3ss3220.txt @@ -0,0 +1,38 @@ +TI HD3SS3220 TypeC DRP Port Controller. + +Required properties: + - compatible: Must be "ti,hd3ss3220". + - reg: I2C slave address, must be 0x47 or 0x67 based on ADDR pin. + - interrupts: An interrupt specifier. + +Required sub-node: + - connector: The "usb-c-connector" attached to the hd3ss3220 chip. The + bindings of the connector node are specified in: + + Documentation/devicetree/bindings/connector/usb-connector.txt + +Example: +hd3ss3220@47 { + compatible = "ti,hd3ss3220"; + reg = <0x47>; + interrupt-parent = <&gpio6>; + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; + + connector { + compatible = "usb-c-connector"; + label = "USB-C"; + data-role = "dual"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@1 { + reg = <1>; + hd3ss3220_ep: endpoint { + remote-endpoint = <&usb3_role_switch>; + }; + }; + }; + }; +}; -- 2.7.4
