CONFIG_GPTMR0_CLOCKSOURCE is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_GPTMR0_CLOCKSOURCE.
Result is shown for kernelversion 6.7-rc3
GPTimer0
configname: CONFIG_GPTMR0_CLOCKSOURCE
Linux Kernel Configuration
└─>Blackfin Processor Options
└─>Board customizations
└─>Clock source
└─>GPTimer0