[PATCH v3 16/18] arm64: dts: renesas: r8a779f0: Describe the PCIe AER interrupts

From: Koichiro Den

Date: Tue Oct 06 2026 - 04:52:45 EST


The PCIe controllers report Root Port AER notifications through
intreq_pci0_lperr (SPI 421) and intreq_pci1_lperr (SPI 428),
respectively, separately from the integrated MSI receiver interrupts.
Describe these interrupts with the "aer" name so the controller driver
can use them for Root Port error reporting.

Append the new interrupts to preserve the existing interrupt indices.

Reviewed-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxxxx>
Signed-off-by: Koichiro Den <den@xxxxxxxxxxxxx>
---
Changes in v2:
- Add Marek's R-b tag. No changes other than that.

arch/arm64/boot/dts/renesas/r8a779f0.dtsi | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/renesas/r8a779f0.dtsi b/arch/arm64/boot/dts/renesas/r8a779f0.dtsi
index 17a632770e65..8c818eb93119 100644
--- a/arch/arm64/boot/dts/renesas/r8a779f0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779f0.dtsi
@@ -785,8 +785,9 @@ pciec0: pcie@e65d0000 {
interrupts = <GIC_SPI 416 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 417 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 418 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 422 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "msi", "dma", "sft_ce", "app";
+ <GIC_SPI 422 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 421 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "msi", "dma", "sft_ce", "app", "aer";
clocks = <&cpg CPG_MOD 624>, <&pcie0_clkref>;
clock-names = "core", "ref";
power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>;
@@ -824,8 +825,9 @@ pciec1: pcie@e65d8000 {
interrupts = <GIC_SPI 423 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 424 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 425 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 429 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "msi", "dma", "sft_ce", "app";
+ <GIC_SPI 429 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 428 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "msi", "dma", "sft_ce", "app", "aer";
clocks = <&cpg CPG_MOD 625>, <&pcie1_clkref>;
clock-names = "core", "ref";
power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>;
--
2.51.0