[PATCH 1/3] dt-bindings: arm: stm32: Add compatible for syscon tamp node

[Arnaud Pouliquen]

Since commit ad440432d1f9 ("dt-bindings: mfd: Ensure 'syscon' has a
more specific compatible")
It is required to provide at least 2 compatibles string for syscon node.
This patch documents the new compatible for stm32 SoC to support
TAMP registers access.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen at st.com>
---
 Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml b/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml
index 6f1cd0103c74..6634b3e0853e 100644
--- a/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml
+++ b/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml
@@ -19,6 +19,7 @@ properties:
               - st,stm32mp151-pwr-mcu
               - st,stm32-syscfg
               - st,stm32-power-config
+              - st,stm32-tamp
           - const: syscon
 
   reg:
-- 
2.17.1