write in 30M

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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/char/tpm/Kconfig
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+# SPDX-License-Identifier: GPL-2.0-only
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 #
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 # TPM device configuration
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 #
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@@ -5,10 +6,10 @@
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 menuconfig TCG_TPM
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 	tristate "TPM Hardware Support"
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 	depends on HAS_IOMEM
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-	select SECURITYFS
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+	imply SECURITYFS
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 	select CRYPTO
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 	select CRYPTO_HASH_INFO
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-	---help---
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+	help
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 	  If you have a TPM security chip in your system, which
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 	  implements the Trusted Computing Group's specification,
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 	  say Yes and it will be accessible from within Linux.  For
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 	bool "TPM HW Random Number Generator support"
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 	depends on TCG_TPM && HW_RANDOM && !(TCG_TPM=y && HW_RANDOM=m)
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 	default y
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-	---help---
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+	help
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 	  This setting exposes the TPM's Random Number Generator as a hwrng
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 	  device. This allows the kernel to collect randomness from the TPM at
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 	  boot, and provides the TPM randomines in /dev/hwrng.
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@@ -39,7 +40,7 @@
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 config TCG_TIS_CORE
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 	tristate
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-	---help---
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+	help
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 	TCG TIS TPM core driver. It implements the TPM TCG TIS logic and hooks
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 	into the TPM kernel APIs. Physical layers will register against it.
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 	tristate "TPM Interface Specification 1.2 Interface / TPM 2.0 FIFO Interface"
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 	depends on X86 || OF
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 	select TCG_TIS_CORE
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-	---help---
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+	help
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 	  If you have a TPM security chip that is compliant with the
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 	  TCG TIS 1.2 TPM specification (TPM1.2) or the TCG PTP FIFO
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 	  specification (TPM2.0) say Yes and it will be accessible from
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 	tristate "TPM Interface Specification 1.3 Interface / TPM 2.0 FIFO Interface - (SPI)"
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 	depends on SPI
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 	select TCG_TIS_CORE
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-	---help---
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+	help
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 	  If you have a TPM security chip which is connected to a regular,
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 	  non-tcg SPI master (i.e. most embedded platforms) that is compliant with the
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 	  TCG TIS 1.3 TPM specification (TPM1.2) or the TCG PTP FIFO
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 	  within Linux. To compile this driver as a module, choose  M here;
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 	  the module will be called tpm_tis_spi.
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+config TCG_TIS_SPI_CR50
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+	bool "Cr50 SPI Interface"
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+	depends on TCG_TIS_SPI
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+	help
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+	  If you have a H1 secure module running Cr50 firmware on SPI bus,
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+	  say Yes and it will be accessible from within Linux.
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+
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+config TCG_TIS_SYNQUACER
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+	tristate "TPM Interface Specification 1.2 Interface / TPM 2.0 FIFO Interface (MMIO - SynQuacer)"
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+	depends on ARCH_SYNQUACER
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+	select TCG_TIS_CORE
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+	help
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+	  If you have a TPM security chip that is compliant with the
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+	  TCG TIS 1.2 TPM specification (TPM1.2) or the TCG PTP FIFO
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+	  specification (TPM2.0) say Yes and it will be accessible from
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+	  within Linux on Socionext SynQuacer platform.
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+	  To compile this driver as a module, choose  M here;
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+	  the module will be called tpm_tis_synquacer.
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+
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 config TCG_TIS_I2C_ATMEL
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 	tristate "TPM Interface Specification 1.2 Interface (I2C - Atmel)"
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 	depends on I2C
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-	---help---
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+	help
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 	  If you have an Atmel I2C TPM security chip say Yes and it will be
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 	  accessible from within Linux.
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 	  To compile this driver as a module, choose M here; the module will
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 config TCG_TIS_I2C_INFINEON
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 	tristate "TPM Interface Specification 1.2 Interface (I2C - Infineon)"
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 	depends on I2C
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-	---help---
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+	help
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 	  If you have a TPM security chip that is compliant with the
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 	  TCG TIS 1.2 TPM specification and Infineon's I2C Protocol Stack
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 	  Specification 0.20 say Yes and it will be accessible from within
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 config TCG_TIS_I2C_NUVOTON
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 	tristate "TPM Interface Specification 1.2 Interface (I2C - Nuvoton)"
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 	depends on I2C
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-	---help---
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+	help
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 	  If you have a TPM security chip with an I2C interface from
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 	  Nuvoton Technology Corp. say Yes and it will be accessible
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 	  from within Linux.
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 config TCG_NSC
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 	tristate "National Semiconductor TPM Interface"
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 	depends on X86
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-	---help---
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+	help
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 	  If you have a TPM security chip from National Semiconductor 
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 	  say Yes and it will be accessible from within Linux.  To 
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 	  compile this driver as a module, choose M here; the module 
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 config TCG_ATMEL
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 	tristate "Atmel TPM Interface"
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 	depends on PPC64 || HAS_IOPORT_MAP
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-	---help---
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+	help
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 	  If you have a TPM security chip from Atmel say Yes and it 
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 	  will be accessible from within Linux.  To compile this driver 
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 	  as a module, choose M here; the module will be called tpm_atmel.
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 config TCG_INFINEON
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 	tristate "Infineon Technologies TPM Interface"
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 	depends on PNP
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-	---help---
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+	help
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 	  If you have a TPM security chip from Infineon Technologies
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 	  (either SLD 9630 TT 1.1 or SLB 9635 TT 1.2) say Yes and it
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 	  will be accessible from within Linux.
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 config TCG_IBMVTPM
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 	tristate "IBM VTPM Interface"
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 	depends on PPC_PSERIES
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-	---help---
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+	help
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 	  If you have IBM virtual TPM (VTPM) support say Yes and it
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 	  will be accessible from within Linux.  To compile this driver
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 	  as a module, choose M here; the module will be called tpm_ibmvtpm.
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@@ -137,7 +157,7 @@
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 	tristate "XEN TPM Interface"
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 	depends on TCG_TPM && XEN
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 	select XEN_XENBUS_FRONTEND
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-	---help---
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+	help
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 	  If you want to make TPM support available to a Xen user domain,
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 	  say Yes and it will be accessible from within Linux. See
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 	  the manpages for xl, xl.conf, and docs/misc/vtpm.txt in
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 config TCG_CRB
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 	tristate "TPM 2.0 CRB Interface"
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 	depends on ACPI
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-	---help---
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+	help
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 	  If you have a TPM security chip that is compliant with the
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 	  TCG CRB 2.0 TPM specification say Yes and it will be accessible
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 	  from within Linux.  To compile this driver as a module, choose
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 config TCG_VTPM_PROXY
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 	tristate "VTPM Proxy Interface"
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 	depends on TCG_TPM
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-	---help---
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+	help
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 	  This driver proxies for an emulated TPM (vTPM) running in userspace.
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 	  A device /dev/vtpmx is provided that creates a device pair
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 	  /dev/vtpmX and a server-side file descriptor on which the vTPM
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 	  can receive commands.
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+config TCG_FTPM_TEE
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+	tristate "TEE based fTPM Interface"
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+	depends on TEE && OPTEE
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+	help
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+	  This driver proxies for firmware TPM running in TEE.
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 source "drivers/char/tpm/st33zp24/Kconfig"
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 endif # TCG_TPM