[PATCH v5 4/6] dt-bindings: PCI: snps,dw-pcie: Add msi-parent for MSI handle check
From: Inochi Amaoto <inochiama@gmail.com>
Date: 2026-09-07 11:26:47
Also in:
linux-pci, linux-riscv, lkml, spacemit
Subsystem:
open firmware and flattened device tree bindings, pci driver for synopsys designware, pci native host bridge and endpoint drivers, pci subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Jingoo Han, Manivannan Sadhasivam, Lorenzo Pieralisi, Krzysztof Wilczyński, Bjorn Helgaas, Linus Torvalds
The IMSIC device on RISC-V based system does not require ID remapping for MSI. So this device only needs "msi-parent" property for IMSIC-based SoC, and the "msi-map" is not a necessary property. Add new condition for MSI handling on IMSIC based SoC. Signed-off-by: Inochi Amaoto <inochiama@gmail.com> Acked-by: Rob Herring (Arm) <robh@kernel.org> --- Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml b/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml
index b3216141881c..91bbbc8924f6 100644
--- a/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml@@ -27,8 +27,11 @@ allOf: - $ref: /schemas/pci/snps,dw-pcie-common.yaml# - if: not: - required: - - msi-map + anyOf: + - required: + - msi-map + - required: + - msi-parent then: properties: interrupt-names:
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2.55.0