STM32 serial can be reset via reset controller. Add the support of reset to uart nodes on stm32mp15x.

Signed-off-by: Patrick Delaunay patrick.delaunay@st.com ---

arch/arm/dts/stm32mp15-u-boot.dtsi | 32 ++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+)

diff --git a/arch/arm/dts/stm32mp15-u-boot.dtsi b/arch/arm/dts/stm32mp15-u-boot.dtsi index 1279589a56..39591ec202 100644 --- a/arch/arm/dts/stm32mp15-u-boot.dtsi +++ b/arch/arm/dts/stm32mp15-u-boot.dtsi @@ -175,6 +175,38 @@ compatible = "st,stm32-sdmmc2", "arm,pl18x", "arm,primecell"; };

+&usart1 { + resets = <&rcc USART1_R>; +}; + +&usart2 { + resets = <&rcc USART2_R>; +}; + +&usart3 { + resets = <&rcc USART3_R>; +}; + +&uart4 { + resets = <&rcc UART4_R>; +}; + +&uart5 { + resets = <&rcc UART5_R>; +}; + +&usart6 { + resets = <&rcc USART6_R>; +}; + +&uart7 { + resets = <&rcc UART7_R>; +}; + +&uart8{ + resets = <&rcc UART8_R>; +}; + &usbotg_hs { compatible = "st,stm32mp1-hsotg", "snps,dwc2"; };