From: dillon min <redacted>

when run make dtbs_check with 'bluetoothi brcm,bcm43438-bt'
dts enabled on stm32h7, there is a warrning popup:

quoted

arch/arm/boot/dts/stm32h750i-art-pi.dt.yaml: serial@40004800: 'bluetooth'

   does not match any of the regexes: 'pinctrl-[0-9]+'

to make dtbs_check happy, so add a phandle bluetooth

Fixes: 500cdb23d608 ("ARM: dts: stm32: Add STM32H743 MCU and STM32H743i-EVAL board")
Signed-off-by: dillon min <redacted>
Reported-by: kernel test robot <redacted>
---
 Documentation/devicetree/bindings/serial/st,stm32-uart.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
index 8631678283f9..5e674840e62d 100644
--- a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
+++ b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml

@@ -50,6 +50,11 @@ properties:
     minItems: 1
     maxItems: 2
 
+  bluetooth:
+    type: object
+    description: |
+      phandles to the usart controller and bluetooth
+
 # cts-gpios and rts-gpios properties can be used instead of 'uart-has-rtscts'
 # or 'st,hw-flow-ctrl' (deprecated) for making use of any gpio pins for flow
 # control instead of dedicated pins.

-- 
1.9.1


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