tpm/tpm_tis_spi: Add support for spi phy

[cascardo/linux.git] / drivers / char / tpm / Kconfig

diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig
index 241ff4c..9faa0b1 100644 (file)
--- a/drivers/char/tpm/Kconfig
+++ b/drivers/char/tpm/Kconfig
@@ -41,6 +41,18 @@ config TCG_TIS
          within Linux. To compile this driver as a module, choose  M here;
          the module will be called tpm_tis.
 
+config TCG_TIS_SPI
+       tristate "TPM Interface Specification 1.3 Interface / TPM 2.0 FIFO Interface - (SPI)"
+       depends on SPI
+       select TCG_TIS_CORE
+       ---help---
+         If you have a TPM security chip which is connected to a regular,
+         non-tcg SPI master (i.e. most embedded platforms) that is compliant with the
+         TCG TIS 1.3 TPM specification (TPM1.2) or the TCG PTP FIFO
+         specification (TPM2.0) say Yes and it will be accessible from
+         within Linux. To compile this driver as a module, choose  M here;
+         the module will be called tpm_tis_spi.
+
 config TCG_TIS_I2C_ATMEL
        tristate "TPM Interface Specification 1.2 Interface (I2C - Atmel)"
        depends on I2C