[PATCH 3/4] arm64: dts: renesas: r9a09g077: Add Cortex-A55 PMU node

Prabhakar posted 4 patches 4 months ago
[PATCH 3/4] arm64: dts: renesas: r9a09g077: Add Cortex-A55 PMU node
Posted by Prabhakar 4 months ago
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Enable the performance monitor unit for the Cortex-A55 cores on the
RZ/T2H (R9A09G077) SoC.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
 arch/arm64/boot/dts/renesas/r9a09g077.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a09g077.dtsi b/arch/arm64/boot/dts/renesas/r9a09g077.dtsi
index cb16fe194208..0086f7953cdc 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g077.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g077.dtsi
@@ -65,6 +65,11 @@ extal_clk: extal {
 		clock-frequency = <0>;
 	};
 
+	pmu {
+		compatible = "arm,cortex-a55-pmu";
+		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>;
+	};
+
 	psci {
 		compatible = "arm,psci-1.0", "arm,psci-0.2";
 		method = "smc";
-- 
2.51.0
Re: [PATCH 3/4] arm64: dts: renesas: r9a09g077: Add Cortex-A55 PMU node
Posted by Geert Uytterhoeven 4 months ago
On Tue, 7 Oct 2025 at 14:15, Prabhakar <prabhakar.csengg@gmail.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> Enable the performance monitor unit for the Cortex-A55 cores on the
> RZ/T2H (R9A09G077) SoC.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-devel for v6.19.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds