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ARM: dts: stm32: Add PTP clock to Ethernet controller 

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>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
This commit is contained in:
Kurt Kanzenbach 2021-03-16 09:06:44 +01:00 committed by Alexandre Torgue
parent 1305a42b10
commit 6ed9269265
1 changed files with 2 additions and 0 deletions
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2
arch/arm/boot/dts/stm32mp151.dtsi
View File

@ -1425,11 +1425,13 @@
"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;