linux-kernel - [PATCH 1/2] ARM: dts: stm32: add vrefint calibration on stm32mp13

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Message-ID: <20250403115954.1061528-2-olivier.moysan@foss.st.com>
Date: Thu, 3 Apr 2025 13:59:53 +0200
From: Olivier Moysan <olivier.moysan@...s.st.com>
To: <fabrice.gasnier@...s.st.com>, Rob Herring <robh@...nel.org>,
        Krzysztof
 Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime
 Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue
	<alexandre.torgue@...s.st.com>
CC: Olivier Moysan <olivier.moysan@...s.st.com>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/2] 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@...s.st.com>
---
 arch/arm/boot/dts/st/stm32mp131.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32mp131.dtsi b/arch/arm/boot/dts/st/stm32mp131.dtsi
index 8512a6e46b33..3cc5623d52ca 100644
--- a/arch/arm/boot/dts/st/stm32mp131.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp131.dtsi
@@ -1018,6 +1018,9 @@ part_number_otp: part_number_otp@4 {
 				reg = <0x4 0x2>;
 				bits = <0 12>;
 			};
+			vrefint: vrefin-cal@52 {
+				reg = <0x52 0x2>;
+			};
 			ts_cal1: calib@5c {
 				reg = <0x5c 0x2>;
 			};
-- 
2.25.1