tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1* H1 Secure Microcontroller with Cr50 Firmware on SPI Bus.
2
3H1 Secure Microcontroller running Cr50 firmware provides several
4functions, including TPM-like functionality. It communicates over
5SPI using the FIFO protocol described in the PTP Spec, section 6.
6
7Required properties:
8- compatible: Should be "google,cr50".
9- spi-max-frequency: Maximum SPI frequency.
10
11Example:
12
13&spi0 {
14 tpm@0 {
15 compatible = "google,cr50";
16 reg = <0>;
17 spi-max-frequency = <800000>;
18 };
19};