[PATCH net-next v6 3/3] arm64: dts: renesas: r8a779g0: Add gPTP node

Niklas Söderlund <[email protected]> Mon, 3 Aug 2026 11:52:32 +0200
Newsgroups org.kernel.vger.linux-renesas-soc,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.netdev
Message-ID <[email protected]>
The gPTP module is shared between the RAVB and RTSN Ethernet devices on
the SoC.

Signed-off-by: Niklas Söderlund <[email protected]>
---
* 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