2023-08-29 19:58:17 +08:00
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# Copyright (c) 2023 Vestas Wind Systems A/S
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# SPDX-License-Identifier: Apache-2.0
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description: |
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2023-10-31 17:09:38 +08:00
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Texas Instruments TCAN4x5x SPI CAN FD controller.
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2023-08-29 19:58:17 +08:00
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Example:
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&spi0 {
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tcan4x5x: can@0 {
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compatible = ti,tcan4x5x";
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reg = <0>;
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spi-max-frequency = <18000000>;
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clock-frequency = <40000000>;
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device-state-gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
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device-wake-gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
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reset-gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
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int-gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
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bosch,mram-cfg = <0x0 15 15 5 5 0 10 10>;
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status = "okay";
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can-transceiver {
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max-bitrate = <8000000>;
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};
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};
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};
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compatible: "ti,tcan4x5x"
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include: ["bosch,m_can-base.yaml", "spi-device.yaml"]
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properties:
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clock-frequency:
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type: int
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enum:
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- 20000000
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- 40000000
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required: true
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description: |
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TCAN4x5x oscillator clock frequency in Hz (20MHz or 40MHz).
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device-state-gpios:
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type: phandle-array
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description: |
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GPIO connected to the TCAN4x5x nWKRQ output. This signal is active low.
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device-wake-gpios:
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type: phandle-array
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description: |
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GPIO connected to the TCAN4x5x WAKE input. This signal is high-voltage, active high.
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reset-gpios:
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type: phandle-array
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description: |
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GPIO connected to the TCAN4x5x RST input. This signal is active high.
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int-gpios:
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type: phandle-array
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required: true
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description: |
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GPIO connected to the TCAN4x5x nINT interrupt output. This signal is open-drain, active low.
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