From: Amir Mizinski <amirmizi6@xxxxxxxxx> *This patch set adds support for TPM devices that implement the I2C interface defined by TCG PTP specification: https://trustedcomputinggroup.org/wp-content/uploads/TCG_PC_Client_Platform_TPM_Profile_PTP_2.0_r1.03_v22.pdf The driver was tested on Raspberry-Pie 3, using Nuvoton NPCT75X TPM. interupts are not implemented yet, preparing it for the next patch. this patch is based on initial work by oshri Alkoby, Alexander Steffen and Christophe Ricard Amir Mizinski (5): char: tpm: Make implementation of read16 read32 write32 optional char: tpm: Add check_data handle to tpm_tis_phy_ops in order to check data integrity char: tpm: rewrite "tpm_tis_req_canceled()" dt-bindings: tpm: Add the TPM TIS I2C device tree binding documentaion char: tpm: add tpm_tis_i2c driver .../bindings/security/tpm/tpm_tis_i2c.txt | 24 ++ drivers/char/tpm/Kconfig | 12 + drivers/char/tpm/Makefile | 1 + drivers/char/tpm/tpm_tis_core.c | 109 +++++---- drivers/char/tpm/tpm_tis_core.h | 41 +++- drivers/char/tpm/tpm_tis_i2c.c | 272 +++++++++++++++++++++ drivers/char/tpm/tpm_tis_spi.c | 41 ---- 7 files changed, 407 insertions(+), 93 deletions(-) create mode 100644 Documentation/devicetree/bindings/security/tpm/tpm_tis_i2c.txt create mode 100644 drivers/char/tpm/tpm_tis_i2c.c -- 2.7.4