tpm: Add Kconfig options for TPMs

[karo-tx-uboot.git] / drivers / tpm / Kconfig

diff --git a/drivers/tpm/Kconfig b/drivers/tpm/Kconfig
index f408b8a81d1e7d2f438c1ce20590f8563920d002..9101fc26b9deab906d9c02b804b62cd035ee1561 100644 (file)
--- a/drivers/tpm/Kconfig
+++ b/drivers/tpm/Kconfig
@@ -1,7 +1,67 @@
+#
+# TPM subsystem configuration
+#
+
+menu "TPM support"
+

 config TPM_TIS_SANDBOX
        bool "Enable sandbox TPM driver"
 config TPM_TIS_SANDBOX
        bool "Enable sandbox TPM driver"

+       depends on SANDBOX

        help
          This driver emulates a TPM, providing access to base functions
          such as reading and writing TPM private data. This is enough to
          support Chrome OS verified boot. Extend functionality is not
          implemented.
        help
          This driver emulates a TPM, providing access to base functions
          such as reading and writing TPM private data. This is enough to
          support Chrome OS verified boot. Extend functionality is not
          implemented.

+
+config TPM_ATMEL_TWI
+       bool "Enable Atmel TWI TPM device driver"
+       depends on TPM
+       help
+         This driver supports an Atmel TPM device connected on the I2C bus.
+         The usual tpm operations and the 'tpm' command can be used to talk
+         to the device using the standard TPM Interface Specification (TIS)
+         protocol
+
+config TPM_TIS_I2C
+       bool "Enable support for Infineon SLB9635/45 TPMs on I2C"
+       depends on TPM && DM_I2C
+       help
+         This driver supports Infineon TPM devices connected on the I2C bus.
+         The usual tpm operations and the 'tpm' command can be used to talk
+         to the device using the standard TPM Interface Specification (TIS)
+         protocol
+
+config TPM_TIS_I2C_BURST_LIMITATION
+       bool "Enable I2C burst length limitation"
+       depends on TPM_TIS_I2C
+       help
+         Some broken TPMs have a limitation on the number of bytes they can
+         receive in one message. Enable this option to allow you to set this
+         option. The can allow a broken TPM to be used by splitting messages
+         into separate pieces.
+
+config TPM_TIS_I2C_BURST_LIMITATION_LEN
+       int "Length"
+       depends on TPM_TIS_I2C_BURST_LIMITATION
+       help
+         Use this to set the burst limitation length
+
+config TPM_TIS_LPC
+       bool "Enable support for Infineon SLB9635/45 TPMs on LPC"
+       depends on TPM && X86
+       help
+         This driver supports Infineon TPM devices connected on the I2C bus.
+         The usual tpm operations and the 'tpm' command can be used to talk
+         to the device using the standard TPM Interface Specification (TIS)
+         protocol
+
+config TPM_AUTH_SESSIONS
+       bool "Enable TPM authentication session support"
+       depends on TPM
+       help
+         Enable support for authorised (AUTH1) commands as specified in the
+         TCG Main Specification 1.2. OIAP-authorised versions of the commands
+         TPM_LoadKey2 and TPM_GetPubKey are provided. Both features are
+         available using the 'tpm' command, too.
+
+endmenu