10edbfea5SChristophe RicardRequired properties: 20edbfea5SChristophe Ricard- compatible: should be one of the following 30edbfea5SChristophe Ricard "st,st33htpm-spi" 40edbfea5SChristophe Ricard "infineon,slb9670" 50edbfea5SChristophe Ricard "tcg,tpm_tis-spi" 60edbfea5SChristophe Ricard- spi-max-frequency: Maximum SPI frequency (depends on TPMs). 70edbfea5SChristophe Ricard 80edbfea5SChristophe RicardOptional SoC Specific Properties: 90edbfea5SChristophe Ricard- pinctrl-names: Contains only one value - "default". 100edbfea5SChristophe Ricard- pintctrl-0: Specifies the pin control groups used for this controller. 110edbfea5SChristophe Ricard 120edbfea5SChristophe RicardExample (for ARM-based BeagleBoard xM with TPM_TIS on SPI4): 130edbfea5SChristophe Ricard 140edbfea5SChristophe Ricard&mcspi4 { 150edbfea5SChristophe Ricard 160edbfea5SChristophe Ricard 170edbfea5SChristophe Ricard tpm_tis@0 { 180edbfea5SChristophe Ricard 190edbfea5SChristophe Ricard compatible = "tcg,tpm_tis-spi"; 200edbfea5SChristophe Ricard 210edbfea5SChristophe Ricard spi-max-frequency = <10000000>; 220edbfea5SChristophe Ricard }; 230edbfea5SChristophe Ricard}; 24