[RESEND v6 1/6] dt-bindings: mfd: Document STM32 low power timer bindings

[Benjamin Gaignard]

Add a subnode to STM low power timer bindings to support timer driver

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
 .../devicetree/bindings/mfd/st,stm32-lptimer.yaml     | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml b/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml
index ddf190cb800b..64bab1c3bdac 100644
--- a/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml
+++ b/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml
@@ -33,6 +33,9 @@ properties:
     items:
       - const: mux
 
+  interrupts:
+    maxItems: 1
+
   "#address-cells":
     const: 1
 
@@ -93,6 +96,16 @@ patternProperties:
     required:
       - compatible
 
+  timer:
+    type: object
+
+    properties:
+      compatible:
+        const: st,stm32-lptimer-timer
+
+    required:
+      - compatible
+
 required:
   - "#address-cells"
   - "#size-cells"
@@ -106,11 +119,13 @@ additionalProperties: false
 examples:
   - |
     #include <dt-bindings/clock/stm32mp1-clks.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
     timer@40002400 {
       compatible = "st,stm32-lptimer";
       reg = <0x40002400 0x400>;
       clocks = <&timer_clk>;
       clock-names = "mux";
+      interrupts-extended = <&exti 47 IRQ_TYPE_LEVEL_HIGH>;
       #address-cells = <1>;
       #size-cells = <0>;
 
@@ -131,6 +146,10 @@ examples:
       timer {
         compatible = "st,stm32-lptimer-timer";
       };
+
+      timer {
+        compatible = "st,stm32-lptimer-timer";
+      };
     };
 
 ...
-- 
2.15.0