diff options
| author | Li Jun <jun.li@nxp.com> | 2017-11-28 19:18:44 +0800 |
|---|---|---|
| committer | Leonard Crestez <leonard.crestez@nxp.com> | 2018-08-24 12:41:33 +0300 |
| commit | b137ebb91e047f3f902a904b8bd87cebd71670da (patch) | |
| tree | bcd2814c301252a42522de152f9fb09a1fae9d62 /Documentation/devicetree/bindings/usb | |
| parent | 285cc92b6aaeff2fd42289ab8689777aaea4883b (diff) | |
MLK-16820-5 dt-bindings: typec: add documentation for tcpci
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 <jun.li@nxp.com>
Acked-by: Peter Chen <peter.chen@nxp.com>
Diffstat (limited to 'Documentation/devicetree/bindings/usb')
| -rw-r--r-- | Documentation/devicetree/bindings/usb/typec-tcpci.txt | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/typec-tcpci.txt b/Documentation/devicetree/bindings/usb/typec-tcpci.txt new file mode 100644 index 000000000000..7ef2167ba767 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/typec-tcpci.txt @@ -0,0 +1,40 @@ +TCPCI(Typec port cotroller interface) binding +--------------------------------------------- + +Required properties: +- compatible: should be "usb,tcpci". +- 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. +- port-type: typec port type. +- default-role: preferred power role if port type is "drp". + +Required properties only for power source or drp: +- src-pdos + +Required properties only for power sink or drp: +- snk-pdos +- max-snk-mv +- max-snk-ma +- op-snk-mw + +Optional properties: +- sink-disable: disable vbus sink in sink role in case we only can be source + for power but need dual data role. + +Example: + +ptn5110@50 { + compatible = "usb,tcpci"; + reg = <0x50>; + interrupt-parent = <&gpio3>; + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; + port-type = "drp"; + default-role = "sink"; + src-pdos = <0x380190c8>; + snk-pdos = <0x380190c8 0x3802d0c8>; + max-snk-mv = <9000>; + max-snk-ma = <1000>; + op-snk-mw = <9000>; +}; |