linux-kernel - [PATCH] dt-bindings: PCI: qcom-ep: Fix PERST register description

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Date:   Tue, 18 Oct 2022 11:31:15 +0200
From:   Johan Hovold <johan+linaro@...nel.org>
To:     Manivannan Sadhasivam <mani@...nel.org>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH] dt-bindings: PCI: qcom-ep: Fix PERST register description

The 'qcom,perst-regs' property holds a single phandle array with the
phandle of the TCSR syscon and offsets of the two PERST registers, but
the current schema does not capture this.

Update the binding to describe the single phandle array and its three
elements.

Fixes: 31c9ef002580 ("dt-bindings: PCI: Add Qualcomm PCIe Endpoint controller")
Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 .../devicetree/bindings/pci/qcom,pcie-ep.yaml          | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
index 977c976ea799..7574291646ad 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
@@ -42,13 +42,13 @@ properties:
     maxItems: 8
 
   qcom,perst-regs:
-    description: Reference to a syscon representing TCSR followed by the two
-                 offsets within syscon for Perst enable and Perst separation
-                 enable registers
+    description: PERST TCSR registers
     $ref: "/schemas/types.yaml#/definitions/phandle-array"
     items:
-      minItems: 3
-      maxItems: 3
+      - items:
+          - description: phandle of TCSR syscon
+          - description: offset of PERST Enable register
+          - description: offset of PERST Separation Enable register
 
   interrupts:
     items:
-- 
2.37.3