tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1Required properties:
2- compatible: should be one of the following
3 "st,st33htpm-spi"
4 "infineon,slb9670"
5 "tcg,tpm_tis-spi"
6- spi-max-frequency: Maximum SPI frequency (depends on TPMs).
7
8Optional SoC Specific Properties:
9- pinctrl-names: Contains only one value - "default".
10- pintctrl-0: Specifies the pin control groups used for this controller.
11
12Example (for ARM-based BeagleBoard xM with TPM_TIS on SPI4):
13
14&mcspi4 {
15
16
17 tpm_tis@0 {
18
19 compatible = "tcg,tpm_tis-spi";
20
21 spi-max-frequency = <10000000>;
22 };
23};