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authorGatien Chevallier <gatien.chevallier@foss.st.com>2025-09-01 11:16:29 +0200
committerAlexandre Torgue <alexandre.torgue@foss.st.com>2025-09-15 17:51:31 +0200
commitbd0c7718ae1877e2e4eeb903096e905754d5df78 (patch)
tree2e4231ce237ae22d1e5defecbb0e7f9bd8cc3b72
parentarm64: dts: st: enable display support on stm32mp257f-ev1 board (diff)
downloadlinux-bd0c7718ae1877e2e4eeb903096e905754d5df78.tar.gz
linux-bd0c7718ae1877e2e4eeb903096e905754d5df78.zip
ARM: dts: stm32: add missing PTP reference clocks on stm32mp13x SoCs
ETH1/2 miss their PTP reference clock in the SoC device tree. Add them as the fallback is not correctly handled for PPS generation and it seems there's no reason to not add them. Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com> Link: https://lore.kernel.org/r/20250901-relative_flex_pps-v4-3-b874971dfe85@foss.st.com Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
-rw-r--r--arch/arm/boot/dts/st/stm32mp131.dtsi2
-rw-r--r--arch/arm/boot/dts/st/stm32mp133.dtsi2
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/st/stm32mp131.dtsi b/arch/arm/boot/dts/st/stm32mp131.dtsi
index 151ffd0bdef9..fd730aa37c22 100644
--- a/arch/arm/boot/dts/st/stm32mp131.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp131.dtsi
@@ -1609,11 +1609,13 @@
"mac-clk-tx",
"mac-clk-rx",
"ethstp",
+ "ptp_ref",
"eth-ck";
clocks = <&rcc ETH1MAC>,
<&rcc ETH1TX>,
<&rcc ETH1RX>,
<&rcc ETH1STP>,
+ <&rcc ETH1PTP_K>,
<&rcc ETH1CK_K>;
st,syscon = <&syscfg 0x4 0xff0000>;
snps,mixed-burst;
diff --git a/arch/arm/boot/dts/st/stm32mp133.dtsi b/arch/arm/boot/dts/st/stm32mp133.dtsi
index 49583137b597..053fc6691205 100644
--- a/arch/arm/boot/dts/st/stm32mp133.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp133.dtsi
@@ -81,11 +81,13 @@
"mac-clk-tx",
"mac-clk-rx",
"ethstp",
+ "ptp_ref",
"eth-ck";
clocks = <&rcc ETH2MAC>,
<&rcc ETH2TX>,
<&rcc ETH2RX>,
<&rcc ETH2STP>,
+ <&rcc ETH2PTP_K>,
<&rcc ETH2CK_K>;
st,syscon = <&syscfg 0x4 0xff000000>;
snps,mixed-burst;