[PATCH 4/8] arm64: dts: st: add vrefint calibration on stm32mp23
From: Fabrice Gasnier
Date: Fri Sep 11 2026 - 12:08:39 EST
From: Patrice Chotard <patrice.chotard@xxxxxxxxxxx>
Describe vrefint calibration cell to be retrieved by ADCs through bsec,
on STM32MP23.
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/stm32mp231.dtsi | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm64/boot/dts/st/stm32mp231.dtsi b/arch/arm64/boot/dts/st/stm32mp231.dtsi
index 35e247af957c..959500140d98 100644
--- a/arch/arm64/boot/dts/st/stm32mp231.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp231.dtsi
@@ -790,6 +790,10 @@ 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