linux-kernel - [PATCH V3 20/21] dt-bindings: PCI: tegra194: Add monitor clock support

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Date:   Fri, 14 Oct 2022 00:08:53 +0530
From:   Vidya Sagar <vidyas@...dia.com>
To:     <lpieralisi@...nel.org>, <robh@...nel.org>, <kw@...ux.com>,
        <bhelgaas@...gle.com>, <thierry.reding@...il.com>,
        <jonathanh@...dia.com>, <kishon@...com>, <vkoul@...nel.org>,
        <mani@...nel.org>, <Sergey.Semin@...kalelectronics.ru>,
        <ffclaire1224@...il.com>
CC:     <linux-pci@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-phy@...ts.infradead.org>,
        <kthota@...dia.com>, <mmaddireddy@...dia.com>, <vidyas@...dia.com>,
        <sagar.tv@...il.com>
Subject: [PATCH V3 20/21] dt-bindings: PCI: tegra194: Add monitor clock support

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@...dia.com>
---
V3:
* This is a new patch in this series

 .../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 a24fb8307d29..7c6900802f04 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: module's core clock
+      - description: module's 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 75da3e8eecb9..aaaa238e6dc1 100644
--- a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml
@@ -54,12 +54,16 @@ properties:
       - const: msi
 
   clocks:
+    minItems: 1
     items:
-      - description: module clock
+      - description: module's core clock
+      - description: module's monitor clock
 
   clock-names:
+    minItems: 1
     items:
       - const: core
+      - const: core_m
 
   resets:
     items:
-- 
2.17.1