[PATCH 3/9] ARM: dts: stm32: rtc, add LSCO to WLAN/BT module on stm32mp157c-dk2

[Valentin Caron]

On stm32mp157c-dk2 board, WLAN/BT module LPO_IN pin is wired to
RTC OUT2_RMP pin.

Provide a pinctrl configuration to enable LSCO on OUT2_RMP.

Signed-off-by: Valentin Caron <valentin.caron at foss.st.com>
---
 arch/arm/boot/dts/st/stm32mp157c-dk2.dts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32mp157c-dk2.dts b/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
index 7a701f7ef0c70..8ac1233f9a02d 100644
--- a/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
+++ b/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
@@ -84,6 +84,16 @@ ltdc_ep1_out: endpoint at 1 {
 	};
 };
 
+&rtc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&rtc_rsvd_pins_a>;
+
+	rtc_lsco_pins_a: rtc-lsco-0 {
+		pins = "out2_rmp";
+		function = "lsco";
+	};
+};
+
 &usart2 {
 	pinctrl-names = "default", "sleep", "idle";
 	pinctrl-0 = <&usart2_pins_c>;
-- 
2.25.1