Document the device-tree bindings for Realtek SoCs Type-C. Realtek DHC (digital home center) RTD SoCs support a Type-C module. Signed-off-by: Stanley Chang <stanley_chang@xxxxxxxxxxx> --- .../bindings/extcon/extcon-rtk-type-c.yaml | 77 +++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 Documentation/devicetree/bindings/extcon/extcon-rtk-type-c.yaml diff --git a/Documentation/devicetree/bindings/extcon/extcon-rtk-type-c.yaml b/Documentation/devicetree/bindings/extcon/extcon-rtk-type-c.yaml new file mode 100644 index 000000000000..d14b9ee544b9 --- /dev/null +++ b/Documentation/devicetree/bindings/extcon/extcon-rtk-type-c.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright 2023 Realtek Semiconductor Corporation +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/extcon/extcon-rtk-type-c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Realtek DHC RTD SoCs USB Type-C detection + +maintainers: + - Stanley Chang <stanley_chang@xxxxxxxxxxx> + +description: | + Realtek digital home center (DHC) RTD series SoCs include a type c module. + This module is able to detect the state of type c connector. + +properties: + compatible: + enum: + - realtek,rtd1295-type-c + - realtek,rtd1312c-type-c + - realtek,rtd1315e-type-c + - realtek,rtd1319-type-c + - realtek,rtd1319d-type-c + - realtek,rtd1395-type-c + - realtek,rtd1619-type-c + - realtek,rtd1619b-type-c + + reg: + maxItems: 1 + description: Address and length of register set for type-c module. + + interrupts: + maxItems: 1 + + nvmem-cells: + maxItems: 1 + description: + The phandle to nvmem cell that contains the trimming data. + If unspecified, default value is used. + + pinctrl-names: + const: default + description: A pinctrl state names "default" must be defined. + + pinctrl-0: + description: + Should contain default pinctrl. + + nvmem-cell-names: + const: usb-cal + description: + The type c parameter trimming data specified via efuse. + + realtek,rd-ctrl-gpio: + description: The gpio node to control external Rd on board. + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + type-c@7220 { + compatible = "realtek,rtd1619b-type-c"; + reg = <0x7220 0x20>; + interrupts = <0 60 4>; + + pinctrl-names = "default"; + pinctrl-0 = <&usb_cc1_pins>, <&usb_cc2_pins>; + nvmem-cells = <&otp_usb_cal>; + nvmem-cell-names = "usb-cal"; + }; -- 2.34.1