diff --git a/src/soc/intel/common/block/gpio/Kconfig b/src/soc/intel/common/block/gpio/Kconfig index 03a3b092c0..a1e98dbe7d 100644 --- a/src/soc/intel/common/block/gpio/Kconfig +++ b/src/soc/intel/common/block/gpio/Kconfig @@ -40,7 +40,7 @@ config SOC_INTEL_COMMON_BLOCK_GPIO_LOCK_USING_SBI bool default n help - From TGL PCH onwards,`Pad Configuration Lock` can only be set or cleared + Till ADL PCH,`Pad Configuration Lock` can only be set or cleared using non-posted sideband write. config SOC_INTEL_COMMON_BLOCK_GPIO_LOCK_USING_PCR @@ -50,5 +50,7 @@ config SOC_INTEL_COMMON_BLOCK_GPIO_LOCK_USING_PCR help SoC user to select this config if `Pad Configuration Lock` can only be set or cleared using private configuration register (PCR) write. + Starting with MTL SoC, the recommendation is to use PCR for locking down the + GPIO configuration. endif