In order to simplify the generation of flexible PPS signals by passing an time offset relative to the MAC system time, select STMMAC_RELATIVE_FLEX_PPS for DWMAC_STM32 config. E.g: "echo "0 3 0 1 1" > /sys/class/ptp/ptp0/period" generates a PPS that has a 1s period, 3 seconds after entering the command for ptp0 clock, given that the MAC system time stays stable. Signed-off-by: Gatien Chevallier --- drivers/net/ethernet/stmicro/stmmac/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig index 949c744d30f19f5ff480dca4811e678d2b93c450..98fae30ad5a2760ec6b9cebf3dcaf8e4d7d19b77 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Kconfig +++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig @@ -233,6 +233,7 @@ config DWMAC_STM32 default ARCH_STM32 depends on OF && HAS_IOMEM && (ARCH_STM32 || COMPILE_TEST) select MFD_SYSCON + select STMMAC_RELATIVE_FLEX_PPS help Support for ethernet controller on STM32 SOCs. -- 2.25.1