From 5cccb3f708417701d0e7e763efb2642d9ee47ac6 Mon Sep 17 00:00:00 2001 From: Patrice Chotard Date: Wed, 11 Feb 2026 14:55:01 +0100 Subject: [PATCH] arm64: dts: st: add bsec support to stm32mp21 Add BSEC support to STM32MP21 SoC family with SoC information: - RPN = Device part number (BSEC_OTP_DATA9) - PKG = package data register (Bits 2:0 of BSEC_OTP_DATA122) Signed-off-by: Patrice Chotard Link: https://lore.kernel.org/r/20260211-upstream_stm32mp21_bsec_nodes-v1-1-8379bf97b0bc@foss.st.com Signed-off-by: Alexandre Torgue --- arch/arm64/boot/dts/st/stm32mp211.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/st/stm32mp211.dtsi b/arch/arm64/boot/dts/st/stm32mp211.dtsi index cd078a16065e..4bfd58b26b51 100644 --- a/arch/arm64/boot/dts/st/stm32mp211.dtsi +++ b/arch/arm64/boot/dts/st/stm32mp211.dtsi @@ -112,6 +112,22 @@ usart2: serial@400e0000 { }; }; + bsec: efuse@44000000 { + compatible = "st,stm32mp25-bsec"; + reg = <0x44000000 0x0 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + + part_number_otp@24 { + reg = <0x24 0x4>; + }; + + package_otp@1e8 { + reg = <0x1e8 0x1>; + bits = <0 3>; + }; + }; + syscfg: syscon@44230000 { compatible = "st,stm32mp21-syscfg", "syscon"; reg = <0x44230000 0x0 0x10000>;