[RESEND PATCH v2 1/3] dt-bindings: stm32: syscon: add clock support

[Fabrice Gasnier]

STM32 system configuration controller registers needs to be clocked.
Document clock support on stm32-syscon.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
Changes in v2:
- move clocks to specific bindings using syscon as per Rob's comment
---
 Documentation/devicetree/bindings/arm/stm32/stm32-syscon.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/stm32/stm32-syscon.txt b/Documentation/devicetree/bindings/arm/stm32/stm32-syscon.txt
index 99980ae..c92d411 100644
--- a/Documentation/devicetree/bindings/arm/stm32/stm32-syscon.txt
+++ b/Documentation/devicetree/bindings/arm/stm32/stm32-syscon.txt
@@ -5,10 +5,12 @@ Properties:
                  - " st,stm32mp157-syscfg " - for stm32mp157 based SoCs,
                  second value must be always "syscon".
    - reg : offset and length of the register set.
+   - clocks: phandle to the syscfg clock
 
  Example:
          syscfg: syscon@50020000 {
                  compatible = "st,stm32mp157-syscfg", "syscon";
                  reg = <0x50020000 0x400>;
+                 clocks = <&rcc SYSCFG>;
          };
 
-- 
1.9.1