[PATCH v4 17/18] arm64: dts: renesas: r8a779g0: Describe the PCIe AER interrupts
From: Koichiro Den
Date: Wed Oct 14 2026 - 23:33:13 EST
The PCIe controllers report Root Port AER notifications through SPI 454
and SPI 461, 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.
Suggested-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxxxx>
Signed-off-by: Koichiro Den <den@xxxxxxxxxxxxx>
---
Changes since v3:
- No changes.
arch/arm64/boot/dts/renesas/r8a779g0.dtsi | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
index 5284923b6cef..8342d3c6f988 100644
--- a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
@@ -801,8 +801,9 @@ pciec0: pcie@e65d0000 {
interrupts = <GIC_SPI 449 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 450 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 451 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 455 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "msi", "dma", "sft_ce", "app";
+ <GIC_SPI 455 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 454 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 R8A779G0_PD_ALWAYS_ON>;
@@ -850,8 +851,9 @@ pciec1: pcie@e65d8000 {
interrupts = <GIC_SPI 456 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 457 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 458 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 462 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "msi", "dma", "sft_ce", "app";
+ <GIC_SPI 462 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 461 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 R8A779G0_PD_ALWAYS_ON>;
--
2.54.0