ARM: dts: stm32: add usart2 node to stm32mp157c-dk2

Adds the usart2 node to stm32mp157c-dk2 board. usart2 pins are connected
to Bluetooth component. usart2 is disabled by default.

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

diff --git a/arch/arm/boot/dts/stm32mp157c-dk2.dts b/arch/arm/boot/dts/stm32mp157c-dk2.dts
index ffbae4a..0456365 100644 (file)
--- a/arch/arm/boot/dts/stm32mp157c-dk2.dts
+++ b/arch/arm/boot/dts/stm32mp157c-dk2.dts
@@ -21,6 +21,7 @@
                serial0 = &uart4;
                serial1 = &usart3;
                serial2 = &uart7;
+               serial3 = &usart2;
        };
 
        chosen {
@@ -86,3 +87,11 @@
                };
        };
 };
+
+&usart2 {
+       pinctrl-names = "default", "sleep", "idle";
+       pinctrl-0 = <&usart2_pins_c>;
+       pinctrl-1 = <&usart2_sleep_pins_c>;
+       pinctrl-2 = <&usart2_idle_pins_c>;
+       status = "disabled";
+};