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79 lines
1.8 KiB
79 lines
1.8 KiB
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
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%YAML 1.2 |
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--- |
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$id: http://devicetree.org/schemas/net/can/microchip,mcp251xfd.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: |
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Microchip MCP2517FD and MCP2518FD stand-alone CAN controller device tree |
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bindings |
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maintainers: |
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- Marc Kleine-Budde <[email protected]> |
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properties: |
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compatible: |
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oneOf: |
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- const: microchip,mcp2517fd |
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description: for MCP2517FD |
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- const: microchip,mcp2518fd |
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description: for MCP2518FD |
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- const: microchip,mcp251xfd |
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description: to autodetect chip variant |
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reg: |
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maxItems: 1 |
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interrupts: |
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maxItems: 1 |
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clocks: |
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maxItems: 1 |
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vdd-supply: |
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description: Regulator that powers the CAN controller. |
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xceiver-supply: |
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description: Regulator that powers the CAN transceiver. |
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microchip,rx-int-gpios: |
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description: |
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GPIO phandle of GPIO connected to to INT1 pin of the MCP251XFD, which |
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signals a pending RX interrupt. |
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maxItems: 1 |
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spi-max-frequency: |
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description: |
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Must be half or less of "clocks" frequency. |
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maximum: 20000000 |
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required: |
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- compatible |
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- reg |
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- interrupts |
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- clocks |
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additionalProperties: false |
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examples: |
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- | |
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#include <dt-bindings/gpio/gpio.h> |
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#include <dt-bindings/interrupt-controller/irq.h> |
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spi0 { |
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#address-cells = <1>; |
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#size-cells = <0>; |
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can@0 { |
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compatible = "microchip,mcp251xfd"; |
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reg = <0>; |
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clocks = <&can0_osc>; |
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pinctrl-names = "default"; |
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pinctrl-0 = <&can0_pins>; |
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spi-max-frequency = <20000000>; |
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interrupts-extended = <&gpio 13 IRQ_TYPE_LEVEL_LOW>; |
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microchip,rx-int-gpios = <&gpio 27 GPIO_ACTIVE_LOW>; |
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vdd-supply = <®5v0>; |
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xceiver-supply = <®5v0>; |
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}; |
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};
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