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/microchip,mcp251xfd.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title:
8 Microchip MCP2517FD, MCP2518FD and MCP251863 stand-alone CAN
9 controller device tree bindings
10
11 maintainers:
12 - Marc Kleine-Budde <mkl@pengutronix.de>
13
14 allOf:
15 - $ref: can-controller.yaml#
16
17 properties:
18 compatible:
19 oneOf:
20 - enum:
21 - microchip,mcp2517fd
22 - microchip,mcp2518fd
23 - microchip,mcp251xfd
24 - items:
25 - enum:
26 - microchip,mcp251863
27 - const: microchip,mcp2518fd
28 reg:
29 maxItems: 1
30
31 interrupts:
32 maxItems: 1
33
34 clocks:
35 maxItems: 1
36
37 vdd-supply:
38 description: Regulator that powers the CAN controller.
39
40 xceiver-supply:
41 description: Regulator that powers the CAN transceiver.
42
43 microchip,rx-int-gpios:
44 description:
45 GPIO phandle of GPIO connected to to INT1 pin of the MCP251XFD, which
46 signals a pending RX interrupt.
47 maxItems: 1
48
49 spi-max-frequency:
50 description:
51 Must be half or less of "clocks" frequency.
52 maximum: 20000000
53
54 required:
55 - compatible
56 - reg
57 - interrupts
58 - clocks
59
60 additionalProperties: false
61
62 examples:
63 - |
64 #include <dt-bindings/gpio/gpio.h>
65 #include <dt-bindings/interrupt-controller/irq.h>
66
67 spi0 {
68 #address-cells = <1>;
69 #size-cells = <0>;
70
71 can@0 {
72 compatible = "microchip,mcp251xfd";
73 reg = <0>;
74 clocks = <&can0_osc>;
75 pinctrl-names = "default";
76 pinctrl-0 = <&can0_pins>;
77 spi-max-frequency = <20000000>;
78 interrupts-extended = <&gpio 13 IRQ_TYPE_LEVEL_LOW>;
79 microchip,rx-int-gpios = <&gpio 27 GPIO_ACTIVE_LOW>;
80 vdd-supply = <®5v0>;
81 xceiver-supply = <®5v0>;
82 };
83 };
Cache object: 8fb630d2b247f9d3e302afe7811c526e
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