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authorKurt Kanzenbach <kurt@linutronix.de>2021-03-16 09:06:44 +0100
committerAlexandre Torgue <alexandre.torgue@foss.st.com>2021-04-01 11:41:00 +0200
commit6ed9269265e10669d62280a869652dbe26f43ecb (patch)
tree9107626c4d33b8e7f93d849c1f49a32720fd3307 /arch/arm/boot/dts/stm32mp151.dtsi
parent1305a42b1081389d3a10e2639eafa7594ad65e66 (diff)
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>
Diffstat (limited to 'arch/arm/boot/dts/stm32mp151.dtsi')
-rw-r--r--arch/arm/boot/dts/stm32mp151.dtsi2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi
index 31b04485cbd7..fb80d53e6be2 100644
--- a/arch/arm/boot/dts/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/stm32mp151.dtsi
@@ -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;