On Mon, Feb 26, 2018 at 07:49:18PM +0800, Li Jun wrote:
> TCPCI stands for typec port controller interface, its implementation
> has full typec port control with power delivery support, it's a
> standard i2c slave with GPIO input as irq interface, detail see spec
> "Universal Serial Bus Type-C Port Controller Interface Specification
> Revision 1.0, Version 1.1"
>
> Signed-off-by: Li Jun
> ---
> Change for v2:
> - Use usb connector sub-node accordingly to specify typec properties.
>
> .../devicetree/bindings/usb/typec-tcpci.txt| 35
> ++
> 1 file changed, 35 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/typec-tcpci.txt
> b/Documentation/devicetree/bindings/usb/typec-tcpci.txt
> new file mode 100644
> index 000..318bf01
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/typec-tcpci.txt
> @@ -0,0 +1,35 @@
> +TCPCI(Typec port cotroller interface) binding
> +-
> +
> +Required properties:
> +- compatible: should be "usb,tcpci".
usb is not a vendor. I'd do "usb-tcpci".
This will need chip specific compatible strings too.
> +- reg: the i2c slave address of typec port controller device.
> +- interrupt-parent: the phandle to the interrupt controller which provides
> +the interrupt.
> +- interrupts: interrupt specification for tcpci alert.
> +
> +Required sub-node:
> +- connector: The "usb-c-connector" attached to the tcpci chip, the bindings
> + of connector node are specified in
> + Documentation/devicetree/bindings/connector/usb-connector.txt
> +
> +Example:
> +
> +ptn5110@50 {
> + compatible = "usb,tcpci";
> + reg = <0x50>;
> + interrupt-parent = <&gpio3>;
> + interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
> +
> + usb_con: connector {
> + compatible = "usb-c-connector";
> + label = "USB-C";
> + port-type = "dual";
> + default-role = "sink";
> + src-pdos = <0x380190c8>;
> + snk-pdos = <0x380190c8 0x3802d0c8>;
> + max-snk-mv = <9000>;
> + max-snk-ma = <1000>;
> + op-snk-mw = <9000>;
> + };
> +};
> --
> 2.7.4
>
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