linux-kernel - [PATCH] dt-bindings: cpufreq: cpufreq-qcom-hw: document interrupts

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Message-Id: <20221227144202.79800-1-krzysztof.kozlowski@linaro.org>
Date:   Tue, 27 Dec 2022 15:42:02 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH] dt-bindings: cpufreq: cpufreq-qcom-hw: document interrupts

The Qualcomm Soc cpufreq hardware engine has LMh/thermal throttling
interrupts (already present in SM8250 and SM8450 DTS) and Linux driver
uses them:

  sm8250-hdk.dtb: cpufreq@...91000: 'interrupt-names', 'interrupts' do not match any of the regexes: 'pinctrl-[0-9]+'
  sm8450-qrd.dtb: cpufreq@...91000: 'interrupt-names', 'interrupts' do not match any of the regexes: 'pinctrl-[0-9]+'

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml  | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml b/Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml
index b69b71d497cc..2494e90a2fda 100644
--- a/Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml
+++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml
@@ -58,6 +58,17 @@ properties:
       - const: xo
       - const: alternate
 
+  interrupts:
+    minItems: 1
+    maxItems: 3
+
+  interrupt-names:
+    minItems: 1
+    items:
+      - const: dcvsh-irq-0
+      - const: dcvsh-irq-1
+      - const: dcvsh-irq-2
+
   '#freq-domain-cells':
     const: 1
 
-- 
2.34.1