linux-kernel - [PATCH v3 3/7] dt-bindings: PCI: microchip,pcie-host: fix missing dma-ranges

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Date:   Sat, 20 Aug 2022 00:14:12 +0100
From:   Conor Dooley <mail@...chuod.ie>
To:     Daire McNamara <daire.mcnamara@...rochip.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Greentime Hu <greentime.hu@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Conor Dooley <conor.dooley@...rochip.com>
Cc:     linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: [PATCH v3 3/7] dt-bindings: PCI: microchip,pcie-host: fix missing dma-ranges

From: Conor Dooley <conor.dooley@...rochip.com>

The dma-ranges property was missed when adding the binding initially.
The root port can use up to 6 address translation tables, depending on
configuration.

Link: https://www.microsemi.com/document-portal/doc_download/1245812-polarfire-fpga-and-polarfire-soc-fpga-pci-express-user-guide # Section 1.3.3
Fixes: 6ee6c89aac35 ("dt-bindings: PCI: microchip: Add Microchip PolarFire host binding")
Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
---
 .../devicetree/bindings/pci/microchip,pcie-host.yaml          | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml b/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml
index 6fbe62f4da93..23d95c65acff 100644
--- a/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml
+++ b/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml
@@ -67,6 +67,10 @@ properties:
   ranges:
     maxItems: 1
 
+  dma-ranges:
+    minItems: 1
+    maxItems: 6
+
   msi-controller:
     description: Identifies the node as an MSI controller.
 
-- 
2.37.1