On 02/02/2023 17:17, Krishna Yarlagadda wrote: > Tegra234 and Tegra241 devices have QSPI controller that supports TPM > devices. Since the controller only supports half duplex, sw wait polling > method implemented in tpm_tis_spi does not suffice. Wait polling as per > protocol is a hardware feature. > > Add compatible for Tegra TPM driver with hardware flow control. Sorry, new bindings only in DT schema. see Documentation/devicetree/bindings/writing-schema.rst for instructions. Best regards, Krzysztof