[PATCH net-next v4 3/3] arm64: dts: renesas: r8a779g0: Add gPTP node

From: Niklas Söderlund

Date: Thu Jul 02 2026 - 09:03:19 EST


The gPTP module is shared between the RAVB and RTSN Ethernet devices on
the SoC.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
---
* Changes since v2
- Preserve sort order by unit-address.

* Changes since v1
- Rename node ptp.
---
arch/arm64/boot/dts/renesas/r8a779g0.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
index 82a7278836e5..b9b860ef7035 100644
--- a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
@@ -589,6 +589,15 @@ tmu4: timer@ffc00000 {
status = "disabled";
};

+ gptp: ptp@e6449000 {
+ compatible = "renesas,r8a779g0-gptp", "renesas,rcar-gen4-gptp";
+ reg = <0 0xe6449000 0 0x500>;
+ clocks = <&cpg CPG_MOD 2723>;
+ power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
+ resets = <&cpg 2723>;
+ status = "disabled";
+ };
+
tsn0: ethernet@e6460000 {
compatible = "renesas,r8a779g0-ethertsn", "renesas,rcar-gen4-ethertsn";
reg = <0 0xe6460000 0 0x7000>,
--
2.55.0