[PATCH 5/8] arm64: dts: st: add vrefint calibration on stm32mp25

From: Fabrice Gasnier

Date: Fri Sep 11 2026 - 12:01:08 EST


From: Patrice Chotard <patrice.chotard@xxxxxxxxxxx>

Describe vrefint calibration cell to be retrieved by ADCs through bsec,
on STM32MP25.

Signed-off-by: Olivier Moysan <olivier.moysan@xxxxxxxxxxx>
Signed-off-by: Patrice Chotard <patrice.chotard@xxxxxxxxxxx>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx>
---
arch/arm64/boot/dts/st/stm32mp251.dtsi | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi
index a6cb5378aaf9..cebfcb985cdb 100644
--- a/arch/arm64/boot/dts/st/stm32mp251.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi
@@ -1777,6 +1777,10 @@ part-number-otp@24 {
reg = <0x24 0x4>;
};

+ vrefint: vrefin-cal@1b8 {
+ reg = <0x1b8 0x2>;
+ };
+
package-otp@1e8 {
reg = <0x1e8 0x1>;
bits = <0 3>;

--
2.43.0