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Message-ID: <20251209140006.54821-2-me@ziyao.cc>
Date: Tue, 9 Dec 2025 14:00:05 +0000
From: Yao Zi <me@...ao.cc>
To: Lorenzo Pieralisi <lpieralisi@...nel.org>,
Krzysztof Wilczyński <kwilczynski@...nel.org>,
Manivannan Sadhasivam <mani@...nel.org>,
Rob Herring <robh@...nel.org>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Huacai Chen <chenhuacai@...nel.org>,
WANG Xuerui <kernel@...0n.name>,
Jiaxun Yang <jiaxun.yang@...goat.com>,
Binbin Zhou <zhoubinbin@...ngson.cn>
Cc: linux-pci@...r.kernel.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
loongarch@...ts.linux.dev,
Yao Zi <me@...ao.cc>
Subject: [PATCH 1/2] LoongArch: dts: Describe PCI sideband IRQ through interrupt-extended
SoC integrated peripherals on LS2K1000 and LS2K2000 could be discovered
as PCI devices, but require sideband interrupts to function, which are
previously described by interrupts and interrupt-parent properties.
However, pci/pci-device.yaml allows interrupts property to only specify
PCI INTx interrupts, not sideband ones. Convert these devices to use
interrupt-extended property, which describes sideband interrupts used by
PCI devices since dt-schema commit e6ea659d2baa ("schemas: pci-device:
Allow interrupts-extended for sideband interrupts"), eliminating
dtbs_check warnings.
Fixes: 30a5532a3206 ("LoongArch: dts: DeviceTree for Loongson-2K1000")
Signed-off-by: Yao Zi <me@...ao.cc>
---
arch/loongarch/boot/dts/loongson-2k1000.dtsi | 25 ++++++---------
arch/loongarch/boot/dts/loongson-2k2000.dtsi | 32 ++++++++------------
2 files changed, 21 insertions(+), 36 deletions(-)
diff --git a/arch/loongarch/boot/dts/loongson-2k1000.dtsi b/arch/loongarch/boot/dts/loongson-2k1000.dtsi
index 60ab425f793f..eee06b84951c 100644
--- a/arch/loongarch/boot/dts/loongson-2k1000.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k1000.dtsi
@@ -437,54 +437,47 @@ pcie@...00000 {
gmac0: ethernet@3,0 {
reg = <0x1800 0x0 0x0 0x0 0x0>;
- interrupt-parent = <&liointc0>;
- interrupts = <12 IRQ_TYPE_LEVEL_HIGH>,
- <13 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts-extended = <&liointc0 12 IRQ_TYPE_LEVEL_HIGH>,
+ <&liointc0 13 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq", "eth_lpi";
status = "disabled";
};
gmac1: ethernet@3,1 {
reg = <0x1900 0x0 0x0 0x0 0x0>;
- interrupt-parent = <&liointc0>;
- interrupts = <14 IRQ_TYPE_LEVEL_HIGH>,
- <15 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts-extended = <&liointc0 14 IRQ_TYPE_LEVEL_HIGH>,
+ <&liointc0 15 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq", "eth_lpi";
status = "disabled";
};
ehci0: usb@4,1 {
reg = <0x2100 0x0 0x0 0x0 0x0>;
- interrupt-parent = <&liointc1>;
- interrupts = <18 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts-extended = <&liointc1 18 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
ohci0: usb@4,2 {
reg = <0x2200 0x0 0x0 0x0 0x0>;
- interrupt-parent = <&liointc1>;
- interrupts = <19 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts-extended = <&liointc1 19 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
display@6,0 {
reg = <0x3000 0x0 0x0 0x0 0x0>;
- interrupt-parent = <&liointc0>;
- interrupts = <28 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts-extended = <&liointc0 28 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
hda@7,0 {
reg = <0x3800 0x0 0x0 0x0 0x0>;
- interrupt-parent = <&liointc0>;
- interrupts = <4 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts-extended = <&liointc0 4 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
sata: sata@8,0 {
reg = <0x4000 0x0 0x0 0x0 0x0>;
- interrupt-parent = <&liointc0>;
- interrupts = <19 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts-extended = <&liointc0 19 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
diff --git a/arch/loongarch/boot/dts/loongson-2k2000.dtsi b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
index 6c77b86ee06c..87c45f1f7cc7 100644
--- a/arch/loongarch/boot/dts/loongson-2k2000.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
@@ -291,65 +291,57 @@ pcie@...00000 {
gmac0: ethernet@3,0 {
reg = <0x1800 0x0 0x0 0x0 0x0>;
- interrupts = <12 IRQ_TYPE_LEVEL_HIGH>,
- <13 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts-extended = <&pic 12 IRQ_TYPE_LEVEL_HIGH>,
+ <&pic 13 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq", "eth_lpi";
- interrupt-parent = <&pic>;
status = "disabled";
};
gmac1: ethernet@3,1 {
reg = <0x1900 0x0 0x0 0x0 0x0>;
- interrupts = <14 IRQ_TYPE_LEVEL_HIGH>,
- <15 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts-extended = <&pic 14 IRQ_TYPE_LEVEL_HIGH>,
+ <&pic 15 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq", "eth_lpi";
- interrupt-parent = <&pic>;
status = "disabled";
};
gmac2: ethernet@3,2 {
reg = <0x1a00 0x0 0x0 0x0 0x0>;
- interrupts = <17 IRQ_TYPE_LEVEL_HIGH>,
- <18 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts-extended = <&pic 17 IRQ_TYPE_LEVEL_HIGH>,
+ <&pic 18 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq", "eth_lpi";
- interrupt-parent = <&pic>;
status = "disabled";
};
xhci0: usb@4,0 {
reg = <0x2000 0x0 0x0 0x0 0x0>;
- interrupts = <48 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-parent = <&pic>;
+ interrupts-extended = <&pic 48 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
xhci1: usb@19,0 {
reg = <0xc800 0x0 0x0 0x0 0x0>;
- interrupts = <22 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-parent = <&pic>;
+ interrupts-extended = <&pic 22 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
display@6,1 {
reg = <0x3100 0x0 0x0 0x0 0x0>;
- interrupts = <28 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-parent = <&pic>;
+ interrupts-extended = <&pic 28 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
i2s@7,0 {
reg = <0x3800 0x0 0x0 0x0 0x0>;
- interrupts = <78 IRQ_TYPE_LEVEL_HIGH>,
- <79 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts-extended = <&pic 78 IRQ_TYPE_LEVEL_HIGH>,
+ <&pic 79 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "tx", "rx";
- interrupt-parent = <&pic>;
status = "disabled";
};
sata: sata@8,0 {
reg = <0x4000 0x0 0x0 0x0 0x0>;
- interrupts = <16 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-parent = <&pic>;
+ interrupts-extended = <&pic 16 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
--
2.51.2
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