xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/net/can/bosch,c_can.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/can/bosch,c_can.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Bosch C_CAN/D_CAN controller

description: Bosch C_CAN/D_CAN controller for CAN bus

maintainers:
  - Dario Binacchi <dariobin@libero.it>

allOf:
  - $ref: can-controller.yaml#

properties:
  compatible:
    oneOf:
      - enum:
          - bosch,c_can
          - bosch,d_can
          - ti,dra7-d_can
          - ti,am3352-d_can
      - items:
          - enum:
              - ti,am4372-d_can
          - const: ti,am3352-d_can

  reg:
    maxItems: 1

  interrupts:
    minItems: 1
    maxItems: 4

  power-domains:
    description: |
      Should contain a phandle to a PM domain provider node and an args
      specifier containing the DCAN device id value. It's mandatory for
      Keystone 2 66AK2G SoCs only.
    maxItems: 1

  clocks:
    description: |
      CAN functional clock phandle.
    maxItems: 1

  clock-names:
    maxItems: 1

  syscon-raminit:
    description: |
      Handle to system control region that contains the RAMINIT register,
      register offset to the RAMINIT register and the CAN instance number (0
      offset).
    $ref: /schemas/types.yaml#/definitions/phandle-array
    items:
      - items:
          - description: The phandle to the system control region.
          - description: The register offset.
          - description: The CAN instance number.

  resets:
    maxItems: 1

required:
  - compatible
  - reg
  - interrupts
  - clocks

if:
  properties:
    compatible:
      contains:
        enum:
          - bosch,d_can

then:
  properties:
    interrupts:
      items:
        - description: Error and status IRQ
        - description: Message object IRQ
        - description: RAM ECC correctable error IRQ
        - description: RAM ECC non-correctable error IRQ

else:
  properties:
    interrupts:
      items:
        - description: Error and status IRQ

additionalProperties: false

examples:
  - |
    #include <dt-bindings/reset/altr,rst-mgr.h>

    can@ffc00000 {
       compatible = "bosch,d_can";
       reg = <0xffc00000 0x1000>;
       interrupts = <0 131 4>, <0 132 4>, <0 133 4>, <0 134 4>;
       clocks = <&can0_clk>;
       resets = <&rst CAN0_RESET>;
    };
  - |
    can@0 {
        compatible = "ti,am3352-d_can";
        reg = <0x0 0x2000>;
        clocks = <&dcan1_fck>;
        clock-names = "fck";
        syscon-raminit = <&scm_conf 0x644 1>;
        interrupts = <55>;
    };