ARM: dts: stm32: rtc, add pin to provide LSCO on stm32mp15

Declare pin for LSCO in stm32-pinctrl provider node to reserve this pin
for RTC OUT2_RMP, in stm32mp15-pinctrl.dtsi.

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/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi
index 70e132dc6147f574914a1618e5f1ebe1313b372f..95fafc51a1c8e89d3bbcac9cbe16ca2e7f9bc4ac 100644 (file)
--- a/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi
@@ -1696,6 +1696,13 @@
                };
        };
 
+       /omit-if-no-ref/
+       rtc_rsvd_pins_a: rtc-rsvd-0 {
+               pins {
+                       pinmux = <STM32_PINMUX('I', 8, ANALOG)>; /* RTC_OUT2_RMP */
+               };
+       };
+
        /omit-if-no-ref/
        sai2a_pins_a: sai2a-0 {
                pins {