1 * H1 Secure Microcontroller with Cr50 Firmware on SPI Bus.
3 H1 Secure Microcontroller running Cr50 firmware provides several
4 functions, including TPM-like functionality. It communicates over
5 SPI using the FIFO protocol described in the PTP Spec, section 6.
8 - compatible: Should be "google,cr50".
9 - spi-max-frequency: Maximum SPI frequency.
15 compatible = "google,cr50";
17 spi-max-frequency = <800000>;