The Renesas RZ/T2H (R9A09G077) and RZ/N2H (R9A09G087) SoCs include a
Temperature Sensor Unit (TSU). The device provides real-time temperature
measurements for thermal management, utilizing a single dedicated
channel for temperature sensing.

Compared to the previously supported RZ/G3E, the RZ/T2H and RZ/N2H SoCs
do not have a reset for the TSU peripheral, and the OTP data is exposed
via ARM SMC, as opposed to a system register.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com>
---

V5:
 * no changes

V4:
 * pick up Geert's Reviewed-by
 * pick up Conor's Acked-by

V3:
 * rebase on top of [1]
 * conditionally add `resets: false` and
   `renesas,tsu-trim: false` for renesas,r9a09g077-tsu compatibles

V2:
 * merge two items into a single enum

 .../thermal/renesas,r9a09g047-tsu.yaml        | 30 +++++++++++++++++--
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/thermal/renesas,r9a09g047-tsu.yaml b/Documentation/devicetree/bindings/thermal/renesas,r9a09g047-tsu.yaml
index befdc8b7a082..a04e5048eadf 100644
--- a/Documentation/devicetree/bindings/thermal/renesas,r9a09g047-tsu.yaml
+++ b/Documentation/devicetree/bindings/thermal/renesas,r9a09g047-tsu.yaml
@@ -17,10 +17,15 @@ description:
 properties:
   compatible:
     oneOf:
-      - const: renesas,r9a09g047-tsu # RZ/G3E
+      - enum:
+          - renesas,r9a09g047-tsu # RZ/G3E
+          - renesas,r9a09g077-tsu # RZ/T2H
       - items:
           - const: renesas,r9a09g057-tsu # RZ/V2H
           - const: renesas,r9a09g047-tsu # RZ/G3E
+      - items:
+          - const: renesas,r9a09g087-tsu # RZ/N2H
+          - const: renesas,r9a09g077-tsu # RZ/T2H
 
   reg:
     maxItems: 1
@@ -63,12 +68,31 @@ required:
   - compatible
   - reg
   - clocks
-  - resets
   - power-domains
   - interrupts
   - interrupt-names
   - "#thermal-sensor-cells"
-  - renesas,tsu-trim
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,r9a09g047-tsu
+    then:
+      required:
+        - resets
+        - renesas,tsu-trim
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,r9a09g077-tsu
+    then:
+      properties:
+        resets: false
+        renesas,tsu-trim: false
 
 additionalProperties: false
 
-- 
2.52.0