blob: 75b115d697ceed3b39a24a685dcc3310d110da05 [file] [log] [blame]
# Copyright (c) 2023 Vestas Wind Systems A/S
# SPDX-License-Identifier: Apache-2.0
description: |
Texas Instruments TCAN4x5x SPI CAN FD controller.
Example:
&spi0 {
tcan4x5x: can@0 {
compatible = ti,tcan4x5x";
reg = <0>;
spi-max-frequency = <18000000>;
clock-frequency = <40000000>;
device-state-gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
device-wake-gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
reset-gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
int-gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
bosch,mram-cfg = <0x0 15 15 5 5 0 10 10>;
status = "okay";
can-transceiver {
max-bitrate = <8000000>;
};
};
};
compatible: "ti,tcan4x5x"
include: ["bosch,m_can-base.yaml", "spi-device.yaml"]
properties:
clock-frequency:
type: int
enum:
- 20000000
- 40000000
required: true
description: |
TCAN4x5x oscillator clock frequency in Hz (20MHz or 40MHz).
device-state-gpios:
type: phandle-array
description: |
GPIO connected to the TCAN4x5x nWKRQ output. This signal is active low.
device-wake-gpios:
type: phandle-array
description: |
GPIO connected to the TCAN4x5x WAKE input. This signal is high-voltage, active high.
reset-gpios:
type: phandle-array
description: |
GPIO connected to the TCAN4x5x RST input. This signal is active high.
int-gpios:
type: phandle-array
required: true
description: |
GPIO connected to the TCAN4x5x nINT interrupt output. This signal is open-drain, active low.