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ARM: dts: stm32: Update part number NVMEM description on stm32mp131

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The STM32MP13x Device Part Number (also named RPN in reference manual)
only uses the first 12 bits in OTP4, all the other bit are reserved and
they can be different of zero; they must be masked in NVMEM result, so
the number of bits must be defined in the nvmem cell description.

Fixes: 1da8779c00 ("ARM: dts: stm32: add STM32MP13 SoCs support")
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
This commit is contained in:
Patrick Delaunay 2023-01-18 13:49:51 +01:00 committed by Alexandre Torgue
parent 2f33df889e
commit 366384e495
1 changed files with 1 additions and 0 deletions
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arch/arm/boot/dts/stm32mp131.dtsi
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@ -1233,6 +1233,7 @@
part_number_otp: part_number_otp@4 {
reg = <0x4 0x2>;
bits = <0 12>;
};
ts_cal1: calib@5c {
reg = <0x5c 0x2>;