ARM: dts: stm32: rtc, add LSCO to WLAN/BT module on stm32mp157c-dk2

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@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

diff --git a/arch/arm/boot/dts/st/stm32mp157c-dk2.dts b/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
index 7a701f7ef0c70467181e71719f17712ca4341562..8ac1233f9a02d26ebb78f5b5e91cce0b566e0d51 100644 (file)
--- a/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
+++ b/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
@@ -84,6 +84,16 @@
        };
 };
 
+&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>;