1# SPDX-License-Identifier: GPL-2.0-only
 2config HAVE_ARM_SMCCC
 3	bool
 4	help
 5	  Include support for the Secure Monitor Call (SMC) and Hypervisor
 6	  Call (HVC) instructions on Armv7 and above architectures.
 7
 8config HAVE_ARM_SMCCC_DISCOVERY
 9	bool
10	depends on ARM_PSCI_FW
11	default y
12	help
13	 SMCCC v1.0 lacked discoverability and hence PSCI v1.0 was updated
14	 to add SMCCC discovery mechanism though the PSCI firmware
15	 implementation of PSCI_FEATURES(SMCCC_VERSION) which returns
16	 success on firmware compliant to SMCCC v1.1 and above.
17
18config ARM_SMCCC_SOC_ID
19	bool "SoC bus device for the ARM SMCCC SOC_ID"
20	depends on HAVE_ARM_SMCCC_DISCOVERY
21	default y
22	select SOC_BUS
23	help
24	  Include support for the SoC bus on the ARM SMCCC firmware based
25	  platforms providing some sysfs information about the SoC variant.