[PATCH V2] dt-bindings: thermal: mediatek,thermal: document AUXADC 32k clock

[Rafał Miłecki]

From: Rafał Miłecki <rafal at milecki.pl>

SoCs MT7981 and MT7986 include a newer thermal block (V3) that requires
enabling one more clock called AUXADC 32k. Require it in binding.

Cc: Daniel Golle <daniel at makrotopia.org>
Cc: Sam Shih <sam.shih at mediatek.com>
Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
---
V2: Disallow "adc_32k" on other chipsets (maxItems: 2)

 .../bindings/thermal/mediatek,thermal.yaml    | 31 +++++++++++++++++--
 1 file changed, 28 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/thermal/mediatek,thermal.yaml b/Documentation/devicetree/bindings/thermal/mediatek,thermal.yaml
index d96a2e32bd8f..e7373d78618c 100644
--- a/Documentation/devicetree/bindings/thermal/mediatek,thermal.yaml
+++ b/Documentation/devicetree/bindings/thermal/mediatek,thermal.yaml
@@ -15,9 +15,6 @@ description:
   controls a mux in the apmixedsys register space via AHB bus accesses, so a
   phandle to the APMIXEDSYS is also needed.
 
-allOf:
-  - $ref: thermal-sensor.yaml#
-
 properties:
   compatible:
     enum:
@@ -38,14 +35,18 @@ properties:
     maxItems: 1
 
   clocks:
+    minItems: 2
     items:
       - description: Main clock needed for register access
       - description: The AUXADC clock
+      - description: AUXADC 32k clock
 
   clock-names:
+    minItems: 2
     items:
       - const: therm
       - const: auxadc
+      - const: adc_32k
 
   mediatek,auxadc:
     $ref: /schemas/types.yaml#/definitions/phandle
@@ -76,6 +77,30 @@ required:
   - mediatek,auxadc
   - mediatek,apmixedsys
 
+allOf:
+  - $ref: thermal-sensor.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - mediatek,mt7981-thermal
+              - mediatek,mt7986-thermal
+    then:
+      properties:
+        clocks:
+          minItems: 3
+
+        clock-names:
+          minItems: 3
+    else:
+      properties:
+        clocks:
+          maxItems: 2
+
+        clock-names:
+          maxItems: 2
+
 unevaluatedProperties: false
 
 examples:
-- 
2.35.3