ARM: dts: stm32: add part number for STM32MP15x

The STM32MP15x Device Part Number is located in the first 8 bits of OTP4,
this patch add its description as the NVMEM cell.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi
index 63f4c78fcc1dc9a4cc0d76ec27ff6a8364a07280..664825418c32c9e18bad5eb6ddb533d812ca0441 100644 (file)
--- a/arch/arm/boot/dts/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/stm32mp151.dtsi
@@ -1620,6 +1620,9 @@
                        reg = <0x5c005000 0x400>;
                        #address-cells = <1>;
                        #size-cells = <1>;
+                       part_number_otp: part-number-otp@4 {
+                               reg = <0x4 0x1>;
+                       };
                        ts_cal1: calib@5c {
                                reg = <0x5c 0x2>;
                        };