| Message ID | 20210316080644.19809-1-kurt@linutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | ARM: dts: stm32: Add PTP clock to Ethernet controller | expand |
Hi Kurt On 3/16/21 9:06 AM, Kurt Kanzenbach wrote: > Add the PTP clock to the Ethernet controller. Otherwise, the driver uses the > main clock to derive the PTP frequency which is not necessarily the correct one. > > Tested with linuxptp on Olimex STMP1-OLinuXino-LIME2. > > Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de> > --- > arch/arm/boot/dts/stm32mp151.dtsi | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi > index 3c75abacb374..d1f596ea2fd5 100644 > --- a/arch/arm/boot/dts/stm32mp151.dtsi > +++ b/arch/arm/boot/dts/stm32mp151.dtsi > @@ -1421,11 +1421,13 @@ > "mac-clk-tx", > "mac-clk-rx", > "eth-ck", > + "ptp_ref", > "ethstp"; > clocks = <&rcc ETHMAC>, > <&rcc ETHTX>, > <&rcc ETHRX>, > <&rcc ETHCK_K>, > + <&rcc ETHPTP_K>, > <&rcc ETHSTP>; > st,syscon = <&syscfg 0x4>; > snps,mixed-burst; > Applied on stm32-next. Thanks. Alex
diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi index 3c75abacb374..d1f596ea2fd5 100644 --- a/arch/arm/boot/dts/stm32mp151.dtsi +++ b/arch/arm/boot/dts/stm32mp151.dtsi @@ -1421,11 +1421,13 @@ "mac-clk-tx", "mac-clk-rx", "eth-ck", + "ptp_ref", "ethstp"; clocks = <&rcc ETHMAC>, <&rcc ETHTX>, <&rcc ETHRX>, <&rcc ETHCK_K>, + <&rcc ETHPTP_K>, <&rcc ETHSTP>; st,syscon = <&syscfg 0x4>; snps,mixed-burst;
Add the PTP clock to the Ethernet controller. Otherwise, the driver uses the main clock to derive the PTP frequency which is not necessarily the correct one. Tested with linuxptp on Olimex STMP1-OLinuXino-LIME2. Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de> --- arch/arm/boot/dts/stm32mp151.dtsi | 2 ++ 1 file changed, 2 insertions(+)