| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 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 | |
| 7 | title: Bosch C_CAN/D_CAN controller |
| 8 | |
| 9 | description: Bosch C_CAN/D_CAN controller for CAN bus |
| 10 | |
| 11 | maintainers: |
| 12 | - Dario Binacchi <dariobin@libero.it> |
| 13 | |
| 14 | allOf: |
| 15 | - $ref: can-controller.yaml# |
| 16 | |
| 17 | properties: |
| 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 | |
| 67 | required: |
| 68 | - compatible |
| 69 | - reg |
| 70 | - interrupts |
| 71 | - clocks |
| 72 | |
| 73 | if: |
| 74 | properties: |
| 75 | compatible: |
| 76 | contains: |
| 77 | enum: |
| 78 | - bosch,d_can |
| 79 | |
| 80 | then: |
| 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 | |
| 89 | else: |
| 90 | properties: |
| 91 | interrupts: |
| 92 | items: |
| 93 | - description: Error and status IRQ |
| 94 | |
| 95 | additionalProperties: false |
| 96 | |
| 97 | examples: |
| 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 | }; |