[PATCH 4/4] nvmem: add bsec support to stm32mp25

From: Patrick Delaunay
Date: Fri Nov 17 2023 - 09:34:31 EST


Add BSEC support to STM32MP25 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: Patrick Delaunay <patrick.delaunay@xxxxxxxxxxx>
---

arch/arm64/boot/dts/st/stm32mp251.dtsi | 16 ++++++++++++++++
1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi
index 124403f5f1f4..96859d098ef8 100644
--- a/arch/arm64/boot/dts/st/stm32mp251.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi
@@ -140,6 +140,22 @@ sdmmc1: mmc@48220000 {
};
};

+ bsec: efuse@44000000 {
+ compatible = "st,stm32mp25-bsec";
+ reg = <0x44000000 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,stm32mp25-syscfg", "syscon";
reg = <0x44230000 0x10000>;
--
2.25.1