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2f41d78678
Add the boolean property 'microchip,xstbyen' to enable the dedicated transceiver standby control function on the INT0/GPIO0/XSTBY pin of the MCP251xFD family. Signed-off-by: Viken Dadhaniya <viken.dadhaniya@oss.qualcomm.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://patch.msgid.link/20260321135031.3107408-2-viken.dadhaniya@oss.qualcomm.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
95 lines
2.2 KiB
YAML
95 lines
2.2 KiB
YAML
# 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: Microchip MCP2517FD, MCP2518FD and MCP251863 stand-alone CAN controller
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maintainers:
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- Marc Kleine-Budde <mkl@pengutronix.de>
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allOf:
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- $ref: can-controller.yaml#
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properties:
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compatible:
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oneOf:
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- enum:
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- microchip,mcp2517fd
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- microchip,mcp2518fd
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- microchip,mcp251xfd
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- items:
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- enum:
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- microchip,mcp251863
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- const: microchip,mcp2518fd
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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 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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microchip,xstbyen:
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type: boolean
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description:
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If present, configure the INT0/GPIO0/XSTBY pin as transceiver standby
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control. The pin is driven low when the controller is active and high
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when it enters Sleep mode, allowing automatic standby control of an
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external CAN transceiver connected to this pin.
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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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gpio-controller: true
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"#gpio-cells":
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const: 2
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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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spi {
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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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