linux-kernel - [PATCH v3 2/2] dt-bindings: thermal: tsens: Add cold interrupt support in yaml

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Message-Id: <20200522114452.28647-3-manafm@codeaurora.org>
Date:   Fri, 22 May 2020 17:14:52 +0530
From:   Manaf Meethalavalappu Pallikunhi <manafm@...eaurora.org>
To:     Amit Kucheria <amit.kucheria@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-pm@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Manaf Meethalavalappu Pallikunhi <manafm@...eaurora.org>
Subject: [PATCH v3 2/2] dt-bindings: thermal: tsens: Add cold interrupt support in yaml

Add cold interrupt support for tsens in yaml.

Signed-off-by: Manaf Meethalavalappu Pallikunhi <manafm@...eaurora.org>
---
 .../bindings/thermal/qcom-tsens.yaml          | 42 +++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
index 2ddd39d96766..3592322fe172 100644
--- a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
+++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
@@ -52,12 +52,14 @@ properties:
     items:
       - description: Combined interrupt if upper or lower threshold crossed
       - description: Interrupt if critical threshold crossed
+      - description: Interrupt if cold threshold is crossed
 
   interrupt-names:
     minItems: 1
     items:
       - const: uplow
       - const: critical
+      - const: cold
 
   nvmem-cells:
     minItems: 1
@@ -109,8 +111,10 @@ allOf:
       properties:
         interrupts:
           minItems: 2
+          maxItems: 3
         interrupt-names:
           minItems: 2
+          maxItems: 3
 
 required:
   - compatible
@@ -174,4 +178,42 @@ examples:
            #qcom,sensors = <13>;
            #thermal-sensor-cells = <1>;
     };
+
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    // Example 4 (for any platform containing v2.6+ of the TSENS IP)
+    //           (with thermal-zone):
+    tsens4: thermal-sensor@...5000 {
+           compatible = "qcom,sc7180-tsens", "qcom,tsens-v2";
+           reg = <0xc265000 0x1ff>,
+                 <0xc223000 0x1ff>;
+
+           interrupts = <GIC_SPI 507 IRQ_TYPE_LEVEL_HIGH>,
+                        <GIC_SPI 509 IRQ_TYPE_LEVEL_HIGH>,
+                        <GIC_SPI 501 IRQ_TYPE_EDGE_RISING>;
+           interrupt-names = "uplow", "critical", "cold";
+
+           #qcom,sensors = <15>;
+           #thermal-sensor-cells = <1>;
+    };
+
+    thermal-zones {
+            cold_thermal: cold-thermal {
+                    polling-delay-passive = <0>;
+                    polling-delay = <0>;
+
+                    thermal-sensors = <&tsens4 128>;
+
+                    trips {
+                            cold-trip {
+                                    temperature = <1>;
+                                    hysteresis = <1>;
+                                    type = "passive";
+                            };
+                    };
+
+                    cooling-maps {
+                    };
+            };
+    };
 ...
-- 
2.26.2