bosch,c_can.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/net/can/bosch,c_can.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Bosch C_CAN/D_CAN controller
  8
  9description: Bosch C_CAN/D_CAN controller for CAN bus
 10
 11maintainers:
 12  - Dario Binacchi <dariobin@libero.it>
 13
 14allOf:
 15  - $ref: can-controller.yaml#
 16
 17properties:
 18  compatible:
 19    oneOf:
 20      - enum:
 21          - bosch,c_can
 22          - bosch,d_can
 23          - ti,dra7-d_can
 24          - ti,am3352-d_can
 25      - items:
 26          - enum:
 27              - ti,am4372-d_can
 28          - const: ti,am3352-d_can
 29
 30  reg:
 31    maxItems: 1
 32
 33  interrupts:
 34    minItems: 1
 35    maxItems: 4
 36
 37  power-domains:
 38    description: |
 39      Should contain a phandle to a PM domain provider node and an args
 40      specifier containing the DCAN device id value. It's mandatory for
 41      Keystone 2 66AK2G SoCs only.
 42    maxItems: 1
 43
 44  clocks:
 45    description: |
 46      CAN functional clock phandle.
 47    maxItems: 1
 48
 49  clock-names:
 50    maxItems: 1
 51
 52  syscon-raminit:
 53    description: |
 54      Handle to system control region that contains the RAMINIT register,
 55      register offset to the RAMINIT register and the CAN instance number (0
 56      offset).
 57    $ref: /schemas/types.yaml#/definitions/phandle-array
 58    items:
 59      - items:
 60          - description: The phandle to the system control region.
 61          - description: The register offset.
 62          - description: The CAN instance number.
 63
 64  resets:
 65    maxItems: 1
 66
 67required:
 68  - compatible
 69  - reg
 70  - interrupts
 71  - clocks
 72
 73if:
 74  properties:
 75    compatible:
 76      contains:
 77        enum:
 78          - bosch,d_can
 79
 80then:
 81  properties:
 82    interrupts:
 83      items:
 84        - description: Error and status IRQ
 85        - description: Message object IRQ
 86        - description: RAM ECC correctable error IRQ
 87        - description: RAM ECC non-correctable error IRQ
 88
 89else:
 90  properties:
 91    interrupts:
 92      items:
 93        - description: Error and status IRQ
 94
 95additionalProperties: false
 96
 97examples:
 98  - |
 99    #include <dt-bindings/reset/altr,rst-mgr.h>
100
101    can@ffc00000 {
102        compatible = "bosch,d_can";
103        reg = <0xffc00000 0x1000>;
104        interrupts = <0 131 4>, <0 132 4>, <0 133 4>, <0 134 4>;
105        clocks = <&can0_clk>;
106        resets = <&rst CAN0_RESET>;
107    };
108  - |
109    can@0 {
110        compatible = "ti,am3352-d_can";
111        reg = <0x0 0x2000>;
112        clocks = <&dcan1_fck>;
113        clock-names = "fck";
114        syscon-raminit = <&scm_conf 0x644 1>;
115        interrupts = <55>;
116    };