linux-kernel - [PATCH v2 3/6] dt-bindings: thermal: tsens: document ipq8064 bindings

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Message-Id: <20200710194558.26487-4-ansuelsmth@gmail.com>
Date:   Fri, 10 Jul 2020 21:45:54 +0200
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Amit Kucheria <amit.kucheria@...aro.org>
Cc:     Ansuel Smith <ansuelsmth@...il.com>,
        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>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 3/6] dt-bindings: thermal: tsens: document ipq8064 bindings

Document the use of regmap phandle for ipq8064 SoCs

Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
---
 .../bindings/thermal/qcom-tsens.yaml          | 53 ++++++++++++++++---
 1 file changed, 46 insertions(+), 7 deletions(-)

diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
index d7be931b42d2..964a68d194d2 100644
--- a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
+++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
@@ -19,6 +19,11 @@ description: |
 properties:
   compatible:
     oneOf:
+      - description: msm9860 TSENS based
+        items:
+          - enum:
+            - qcom,ipq8064-tsens
+
       - description: v0.1 of TSENS
         items:
           - enum:
@@ -47,6 +52,11 @@ properties:
       - description: TM registers
       - description: SROT registers
 
+  regmap:
+    description:
+      Phandle to the gcc. On ipq8064 SoCs gcc and tsense share the same regs.
+    $ref: /schemas/types.yaml#/definitions/phandle
+
   interrupts:
     minItems: 1
     items:
@@ -85,12 +95,18 @@ properties:
       Number of cells required to uniquely identify the thermal sensors. Since
       we have multiple sensors this is set to 1
 
+required:
+  - compatible
+  - interrupts
+  - "#thermal-sensor-cells"
+
 allOf:
   - if:
       properties:
         compatible:
           contains:
             enum:
+              - qcom,ipq8064-tsens
               - qcom,msm8916-tsens
               - qcom,msm8974-tsens
               - qcom,msm8976-tsens
@@ -111,17 +127,40 @@ allOf:
         interrupt-names:
           minItems: 2
 
-required:
-  - compatible
-  - reg
-  - "#qcom,sensors"
-  - interrupts
-  - interrupt-names
-  - "#thermal-sensor-cells"
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,ipq8064-tsens
+    then:
+      required:
+        - regmap
+
+    else:
+      required:
+        - reg
+        - interrupt-names
+        - "#qcom,sensors"
 
 additionalProperties: false
 
 examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    // Example msm9860 based SoC (ipq8064):
+    tsens: thermal-sensor {
+           compatible = "qcom,ipq8064-tsens";
+           regmap = <&gcc>;
+
+           nvmem-cells = <&tsens_calib>, <&tsens_calsel>;
+           nvmem-cell-names = "calib", "calib_sel";
+
+           interrupts = <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
+
+           #thermal-sensor-cells = <1>;
+    };
+
   - |
     #include <dt-bindings/interrupt-controller/arm-gic.h>
     // Example 1 (legacy: for pre v1 IP):
-- 
2.27.0