Documentation / devicetree / bindings / net / can / microchip,mcp251xfd.yaml


Based on kernel version 6.8. Page generated on 2024-03-11 21:26 EST.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/can/microchip,mcp251xfd.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Microchip MCP2517FD, MCP2518FD and MCP251863 stand-alone CAN controller

maintainers:
  - Marc Kleine-Budde <mkl@pengutronix.de>

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

properties:
  compatible:
    oneOf:
      - enum:
          - microchip,mcp2517fd
          - microchip,mcp2518fd
          - microchip,mcp251xfd
      - items:
          - enum:
              - microchip,mcp251863
          - const: microchip,mcp2518fd
  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    maxItems: 1

  vdd-supply:
    description: Regulator that powers the CAN controller.

  xceiver-supply:
    description: Regulator that powers the CAN transceiver.

  microchip,rx-int-gpios:
    description:
      GPIO phandle of GPIO connected to to INT1 pin of the MCP251XFD, which
      signals a pending RX interrupt.
    maxItems: 1

  spi-max-frequency:
    description:
      Must be half or less of "clocks" frequency.
    maximum: 20000000

required:
  - compatible
  - reg
  - interrupts
  - clocks

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    #include <dt-bindings/interrupt-controller/irq.h>
 
    spi {
        #address-cells = <1>;
        #size-cells = <0>;
 
        can@0 {
            compatible = "microchip,mcp251xfd";
            reg = <0>;
            clocks = <&can0_osc>;
            pinctrl-names = "default";
            pinctrl-0 = <&can0_pins>;
            spi-max-frequency = <20000000>;
            interrupts-extended = <&gpio 13 IRQ_TYPE_LEVEL_LOW>;
            microchip,rx-int-gpios = <&gpio 27 GPIO_ACTIVE_LOW>;
            vdd-supply = <&reg5v0>;
            xceiver-supply = <&reg5v0>;
        };
    };