dt-bindings: arm: stm32: Add compatible for syscon tamp node

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@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201014125441.2457-2-arnaud.pouliquen@st.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml b/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml
index 6f1cd0103c74acd3910a09cdf45e27fd342ee4cf..6634b3e0853e24c4a5348c78f559130909d34558 100644 (file)
--- 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: