[1/1] dt-bindings: stm32: serial: Add optional reset

Message ID 1558711838-21174-1-git-send-email-erwan.leray@st.com
State Accepted
Commit 1419f64ef526b5657ccfe604a69533736db44490
Headers show
  • [1/1] dt-bindings: stm32: serial: Add optional reset
Related show

Commit Message

Erwan Le Ray May 24, 2019, 3:30 p.m.
STM32 serial can be reset via reset controller.
Add an optional reset property to stm32 usart bindings.

Signed-off-by: Erwan Le Ray <erwan.leray@st.com>



diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
index 9d3efed..a6b1948 100644
--- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
+++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
@@ -13,6 +13,7 @@  Required properties:
 - clocks: The input clock of the USART instance
 Optional properties:
+- resets: Must contain the phandle to the reset controller.
 - pinctrl: The reference on the pins configuration
 - st,hw-flow-ctrl: bool flag to enable hardware flow control.
 - rs485-rts-delay, rs485-rx-during-tx, rs485-rts-active-low,