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* H1 Secure Microcontroller with Cr50 Firmware on SPI Bus.
H1 Secure Microcontroller running Cr50 firmware provides several
functions, including TPM-like functionality. It communicates over
SPI using the FIFO protocol described in the PTP Spec, section 6.
Required properties:
- compatible: Should be "google,cr50".
- spi-max-frequency: Maximum SPI frequency.
&spi0 {
tpm@0 {
compatible = "google,cr50";
reg = <0>;
spi-max-frequency = <800000>;