| # 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>; |
| bus-speed = <125000>; |
| bus-speed-data = <1000000>; |
| 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. |
