From acf0fe82d4e5bb3866ea3063e1da0be3d603e9cc Mon Sep 17 00:00:00 2001
From: Francois Ramu <francois.ramu@st.com>
Date: Mon, 11 Dec 2023 17:52:15 +0100
Subject: [PATCH] boards: arm: Add RTC clock source for 96b_aerocore2

The `96b_aerocore2` board doesn't have its RTC node enabled,
and is failing the following test:
`tests/benchmarks/footprints/benchmark.kernel.footprints.pm`
Enabled RTC node and lsi clock source for that platform.

Signed-off-by: Francois Ramu <francois.ramu@st.com>
---
 boards/arm/96b_aerocore2/96b_aerocore2.dts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/boards/arm/96b_aerocore2/96b_aerocore2.dts b/boards/arm/96b_aerocore2/96b_aerocore2.dts
index 4a4e8672f7f..dd5f8d8a895 100644
--- a/boards/arm/96b_aerocore2/96b_aerocore2.dts
+++ b/boards/arm/96b_aerocore2/96b_aerocore2.dts
@@ -42,6 +42,10 @@
 
 };
 
+&clk_lsi {
+	status = "okay";
+};
+
 &clk_hse {
 	clock-frequency = <DT_FREQ_M(24)>;
 	status = "okay";
@@ -180,6 +184,12 @@ zephyr_udc0: &usbotg_fs {
 	status = "okay";
 };
 
+&rtc {
+	clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
+		 <&rcc STM32_SRC_LSI RTC_SEL(2)>;
+	status = "okay";
+};
+
 &rng {
 	status = "okay";
 };