Convert CONFIG_PL011_SERIAL et al to Kconfig

[platform/kernel/u-boot.git] / drivers / tpm / Kconfig

diff --git a/drivers/tpm/Kconfig b/drivers/tpm/Kconfig
index 2a64bc4..9eebab5 100644 (file)
--- a/drivers/tpm/Kconfig
+++ b/drivers/tpm/Kconfig
@@ -4,18 +4,29 @@
 
 menu "TPM support"
 
+config TPM_V1
+       bool "TPMv1.x support"
+       depends on TPM
+       default y
+       help
+         Major TPM versions are not compatible at all, choose either
+         one or the other. This option enables TPMv1.x drivers/commands.
+
+if TPM_V1
+
 config TPM_TIS_SANDBOX
        bool "Enable sandbox TPM driver"
-       depends on SANDBOX
+       depends on TPM_V1 && SANDBOX
+       default y
        help
-         This driver emulates a TPM, providing access to base functions
+         This driver emulates a TPMv1.x, 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
+       depends on TPM_V1
        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
@@ -24,7 +35,7 @@ config TPM_ATMEL_TWI
 
 config TPM_TIS_INFINEON
        bool "Enable support for Infineon SLB9635/45 TPMs on I2C"
-       depends on TPM && DM_I2C
+       depends on TPM_V1 && 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
@@ -48,7 +59,7 @@ config TPM_TIS_I2C_BURST_LIMITATION_LEN
 
 config TPM_TIS_LPC
        bool "Enable support for Infineon SLB9635/45 TPMs on LPC"
-       depends on TPM && X86
+       depends on TPM_V1 && X86
        help
          This driver supports Infineon TPM devices connected on the LPC bus.
          The usual tpm operations and the 'tpm' command can be used to talk
@@ -57,7 +68,7 @@ config TPM_TIS_LPC
 
 config TPM_AUTH_SESSIONS
        bool "Enable TPM authentication session support"
-       depends on TPM
+       depends on TPM_V1
        help
          Enable support for authorised (AUTH1) commands as specified in the
          TCG Main Specification 1.2. OIAP-authorised versions of the commands
@@ -66,7 +77,7 @@ config TPM_AUTH_SESSIONS
 
 config TPM_ST33ZP24_I2C
        bool "STMicroelectronics ST33ZP24 I2C TPM"
-       depends on TPM && DM_I2C
+       depends on TPM_V1 && DM_I2C
        ---help---
          This driver supports STMicroelectronics TPM devices connected on the I2C bus.
          The usual tpm operations and the 'tpm' command can be used to talk
@@ -75,7 +86,7 @@ config TPM_ST33ZP24_I2C
 
 config TPM_ST33ZP24_SPI
        bool "STMicroelectronics ST33ZP24 SPI TPM"
-       depends on TPM && DM_SPI
+       depends on TPM_V1 && DM_SPI
        ---help---
          This driver supports STMicroelectronics TPM devices connected on the SPI bus.
          The usual tpm operations and the 'tpm' command can be used to talk
@@ -84,14 +95,14 @@ config TPM_ST33ZP24_SPI
 
 config TPM_FLUSH_RESOURCES
        bool "Enable TPM resource flushing support"
-       depends on TPM
+       depends on TPM_V1
        help
          Enable support to flush specific resources (e.g. keys) from the TPM.
          The functionality is available via the 'tpm' command as well.
 
 config TPM_LOAD_KEY_BY_SHA1
        bool "Enable TPM key loading by SHA1 support"
-       depends on TPM
+       depends on TPM_V1
        help
          Enable support to load keys into the TPM by identifying
          their parent via the public key's SHA1 hash.
@@ -99,8 +110,57 @@ config TPM_LOAD_KEY_BY_SHA1
 
 config TPM_LIST_RESOURCES
        bool "Enable TPM resource listing support"
-       depends on TPM
+       depends on TPM_V1
        help
          Enable support to list specific resources (e.g. keys) within the TPM.
          The functionality is available via the 'tpm' command as well.
+
+endif # TPM_V1
+
+config TPM_V2
+       bool "TPMv2.x support"
+       depends on TPM
+       default y
+       help
+         Major TPM versions are not compatible at all, choose either
+         one or the other. This option enables TPMv2.x drivers/commands.
+
+if TPM_V2
+
+config TPM2_CR50_I2C
+       bool "Enable support for Google cr50 TPM"
+       depends on DM_I2C
+       help
+         Cr50 is an implementation of a TPM on Google's H1 security chip.
+         This uses the same open-source firmware as the Chromium OS EC.
+         While Cr50 has other features, its primary role is as the root of
+         trust for a device, It operates like a TPM and can be used with
+         verified boot. Cr50 is used on recent Chromebooks (since 2017).
+
+config TPM2_TIS_SANDBOX
+       bool "Enable sandbox TPMv2.x driver"
+       depends on TPM_V2 && SANDBOX
+       default y
+       help
+         This driver emulates a TPMv2.x, providing access to base functions
+         such as basic configuration, PCR extension and PCR read. Extended
+         functionalities are not implemented.
+
+config TPM2_TIS_SPI
+       bool "Enable support for TPMv2.x SPI chips"
+       depends on TPM_V2 && DM_SPI
+       help
+         This driver supports TPMv2.x devices connected on the SPI 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 TPM2_FTPM_TEE
+       bool "TEE based fTPM Interface"
+       depends on TEE && OPTEE && TPM_V2
+       help
+         This driver supports firmware TPM running in TEE.
+
+endif # TPM_V2
+
 endmenu