ARM: dts: stm32: add vrefint calibration on stm32mp13

Describe vrefint calibration cell to be retrieved through bsec,
on STM32MP13x SoCs family.

Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Link: https://lore.kernel.org/r/20250403115954.1061528-2-olivier.moysan@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

diff --git a/arch/arm/boot/dts/st/stm32mp131.dtsi b/arch/arm/boot/dts/st/stm32mp131.dtsi
index 8512a6e46b330ae07ceb8c454805f0e50dc4502c..3cc5623d52ca5d2a57cd3cfa32dac8a7c1889bd0 100644 (file)
--- a/arch/arm/boot/dts/st/stm32mp131.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp131.dtsi
@@ -1018,6 +1018,9 @@
                                reg = <0x4 0x2>;
                                bits = <0 12>;
                        };
+                       vrefint: vrefin-cal@52 {
+                               reg = <0x52 0x2>;
+                       };
                        ts_cal1: calib@5c {
                                reg = <0x5c 0x2>;
                        };