dt: thermal: tsens: Add bindings for qcs404

qcs404 uses v1 of the TSENS IP block. Create a fallback DT property
"qcom,tsens-v1" to gather common code
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>

Documentation/devicetree/bindings/thermal/qcom-tsens.txt

@@ -6,11 +6,14 @@ Required properties:
     - "qcom,msm8916-tsens" (MSM8916)
     - "qcom,msm8974-tsens" (MSM8974)
     - "qcom,msm8996-tsens" (MSM8996)
+    - "qcom,qcs404-tsens", "qcom,tsens-v1" (QCS404)
     - "qcom,msm8998-tsens", "qcom,tsens-v2" (MSM8998)
     - "qcom,sdm845-tsens", "qcom,tsens-v2" (SDM845)
   The generic "qcom,tsens-v2" property must be used as a fallback for any SoC
   with version 2 of the TSENS IP. MSM8996 is the only exception because the
   generic property did not exist when support was added.
+  Similarly, the generic "qcom,tsens-v1" property must be used as a fallback for
+  any SoC with version 1 of the TSENS IP.
 
 - reg: Address range of the thermal registers.
   New platforms containing v2.x.y of the TSENS IP must specify the SROT and TM
@@ -39,3 +42,14 @@ tsens0: thermal-sensor@c263000 {
 		#qcom,sensors = <13>;
 		#thermal-sensor-cells = <1>;
 	};
+
+Example 3 (for any platform containing v1 of the TSENS IP):
+tsens: thermal-sensor@4a9000 {
+		compatible = "qcom,qcs404-tsens", "qcom,tsens-v1";
+		reg = <0x004a9000 0x1000>, /* TM */
+		      <0x004a8000 0x1000>; /* SROT */
+		nvmem-cells = <&tsens_caldata>;
+		nvmem-cell-names = "calib";
+		#qcom,sensors = <10>;
+		#thermal-sensor-cells = <1>;
+	};