commit 1a73c39dfc97fb3e00801327720f304f0338a77c
author Erwan Gouriou <erwan.gouriou@linaro.org> Wed Oct 20 17:24:08 2021 +0200
committer Christopher Friedt <chrisfriedt@gmail.com> Wed Nov 03 16:19:06 2021 -0400
tree a49b663b83d6f9841a6e50b8897ee18a8f82b053
parent bbe47ee529a28648090793c87affdc866ae473db

dts/bindings: clock: cpu2-prescaler is optional on stm32wl

STM32WL could be either single core (stm32wlex) or
dual core (stm32wl5/4x).
Make CPU2 prescaler an optional property (while it will
be required if inherited from st,stm32wb-rcc.yaml.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>

dts/bindings/clock/st,stm32wl-rcc.yaml

diff --git a/dts/bindings/clock/st,stm32wl-rcc.yaml b/dts/bindings/clock/st,stm32wl-rcc.yaml
index 6af63fa..f2f2387 100644
--- a/dts/bindings/clock/st,stm32wl-rcc.yaml
+++ b/dts/bindings/clock/st,stm32wl-rcc.yaml
@@ -11,8 +11,27 @@
   - name: st,stm32wb-rcc.yaml
     property-blocklist:
       - ahb4-prescaler
+      - cpu2-prescaler
 
 properties:
+    cpu2-prescaler:
+      type: int
+      required: false
+      enum:
+        - 1
+        - 2
+        - 4
+        - 8
+        - 16
+        - 32
+        - 64
+        - 128
+        - 256
+        - 512
+      description: |
+          CPU2 prescaler. Sets HCLK2 frequency which clocks CPU2.
+          (A.K.A C2HPRE)
+
     ahb3-prescaler:
       type: int
       required: true