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From: Patrick Delaunay <patrick.delaunay@foss.st.com>
To: Alexandre TORGUE <alexandre.torgue@foss.st.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
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CC: Patrick Delaunay <patrick.delaunay@foss.st.com>,
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Subject: [PATCH] ARM: dts: stm32: Update part number NVMEM description on
stm32mp131
Date: Wed, 18 Jan 2023 13:49:51 +0100
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| Series |
ARM: dts: stm32: Update part number NVMEM description on stm32mp131
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Commit Message
Patrick Delaunay
Jan. 18, 2023, 12:49 p.m. UTC
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: 1da8779c0029 ("ARM: dts: stm32: add STM32MP13 SoCs support")
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
---
arch/arm/boot/dts/stm32mp131.dtsi | 1 +
1 file changed, 1 insertion(+)
Comments
On 1/18/23 13:49, Patrick Delaunay wrote: > 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: 1da8779c0029 ("ARM: dts: stm32: add STM32MP13 SoCs support") > Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com> > --- > > arch/arm/boot/dts/stm32mp131.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/stm32mp131.dtsi b/arch/arm/boot/dts/stm32mp131.dtsi > index f50051e81ee3..2f186a0ae92e 100644 > --- a/arch/arm/boot/dts/stm32mp131.dtsi > +++ b/arch/arm/boot/dts/stm32mp131.dtsi > @@ -1233,6 +1233,7 @@ bsec: efuse@5c005000 { > > part_number_otp: part_number_otp@4 { > reg = <0x4 0x2>; > + bits = <0 12>; > }; > ts_cal1: calib@5c { > reg = <0x5c 0x2>; Applied on stm32-next. Thanks. Alex
diff --git a/arch/arm/boot/dts/stm32mp131.dtsi b/arch/arm/boot/dts/stm32mp131.dtsi index f50051e81ee3..2f186a0ae92e 100644 --- a/arch/arm/boot/dts/stm32mp131.dtsi +++ b/arch/arm/boot/dts/stm32mp131.dtsi @@ -1233,6 +1233,7 @@ bsec: efuse@5c005000 { part_number_otp: part_number_otp@4 { reg = <0x4 0x2>; + bits = <0 12>; }; ts_cal1: calib@5c { reg = <0x5c 0x2>;