[PATCH v6 7/9] dt-bindings: PCI: tegra194: Add monitor clock support
From: Manikanta Maddireddy
Date: Mon Feb 23 2026 - 13:48:00 EST
From: Vidya Sagar <vidyas@xxxxxxxxxx>
Tegra supports PCIe core clock monitoring for any rate changes that may be
happening because of the link speed changes. This is useful in tracking
any changes in the core clock that are not initiated by the software.
Signed-off-by: Vidya Sagar <vidyas@xxxxxxxxxx>
Signed-off-by: Manikanta Maddireddy <mmaddireddy@xxxxxxxxxx>
Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
---
Changes V5 -> V6: None
Changes V4 -> V5: Fixed clock description per review comment
Changes V1 -> V4: None
.../devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml | 6 +++++-
.../devicetree/bindings/pci/nvidia,tegra194-pcie.yaml | 6 +++++-
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml
index 6d6052a2748f..7805757f2e2d 100644
--- a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml
@@ -55,12 +55,16 @@ properties:
- const: intr
clocks:
+ minItems: 1
items:
- - description: module clock
+ - description: core clock
+ - description: monitor clock
clock-names:
+ minItems: 1
items:
- const: core
+ - const: core_m
resets:
items:
diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml
index fe81d52c7277..41041ae7e0a4 100644
--- a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml
@@ -58,12 +58,16 @@ properties:
- const: msi
clocks:
+ minItems: 1
items:
- - description: module clock
+ - description: core clock
+ - description: monitor clock
clock-names:
+ minItems: 1
items:
- const: core
+ - const: core_m
resets:
items:
--
2.34.1