Commit a1e932ce authored by Stanley Chang's avatar Stanley Chang Committed by Chanwoo Choi
Browse files

dt-bindings: usb: Add Realtek DHC RTD SoC Type-C 

Document the device-tree bindings for Realtek SoCs Type-C.
Realtek DHC (digital home center) RTD SoCs support a Type-C module.

Link: https://lore.kernel.org/lkml/20230904051253.23208-2-stanley_chang@realtek.com/


Signed-off-by: default avatarStanley Chang <stanley_chang@realtek.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarChanwoo Choi <cw00.choi@samsung.com>
parent 8a590d73

Documentation/devicetree/bindings/usb/realtek,rtd-type-c.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

# Copyright 2023 Realtek Semiconductor Corporation

%YAML 1.2

---

$id: http://devicetree.org/schemas/usb/realtek,rtd-type-c.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Realtek DHC RTD SoCs USB Type-C Connector detection



maintainers:

  - Stanley Chang <stanley_chang@realtek.com>



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



  interrupts:

    maxItems: 1



  nvmem-cell-names:

    items:

      - const: usb-cal



  nvmem-cells:

    maxItems: 1

    description:

      The phandle to nvmem cell that contains the trimming data.

      The type c parameter trimming data specified via efuse.

      If unspecified, default value is used.



  realtek,rd-ctrl-gpios:

    description: The gpio node to control external Rd on board.

    maxItems: 1



  connector:

    $ref: /schemas/connector/usb-connector.yaml#

    description: Properties for usb c connector.

    type: object



required:

  - compatible

  - reg

  - interrupts



additionalProperties: false



examples:

  - |

    #include <dt-bindings/interrupt-controller/irq.h>



    type-c@7220 {

        compatible = "realtek,rtd1619b-type-c";

        reg = <0x7220 0x20>;

        interrupts = <0 60 IRQ_TYPE_LEVEL_HIGH>;



        pinctrl-names = "default";

        pinctrl-0 = <&usb_cc1_pins>, <&usb_cc2_pins>;

        nvmem-cells = <&otp_usb_cal>;

        nvmem-cell-names = "usb-cal";



        connector {

            compatible = "usb-c-connector";

            label = "USB-C";

            data-role = "dual";

            power-role = "dual";

        };

    };