linux-kernel - Re: [PATCH 0/6] STM32 DT: Updates for SOC diversity

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Date:   Wed, 20 Nov 2019 16:04:54 +0100
From:   Alexandre Torgue <alexandre.torgue@...com>
To:     Maxime Coquelin <mcoquelin.stm32@...il.com>, <arnd@...db.de>,
        <robh+dt@...nel.org>, <mark.rutland@....com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-kernel@...r.kernel.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: Re: [PATCH 0/6] STM32 DT: Updates for SOC diversity



On 11/20/19 3:41 PM, Alexandre Torgue wrote:
> This series updates stm32mp device tree files in order to handle the STM32MP15
> part numbers diversity. STM32MP15 part numbers are built in this way:
> 
> -STM32MP15X: X = [1, 3, 7] for IPs diversity:
>   -STM32MP151 = basic part
>   -STM32MP153 = STM32MP153  + a second CPU A7 + MCAN(x2)

Sorry for typo: -STM32MP153 = STM32MP151  + a second CPU A7 + MCAN(x2)

>   -STM32MP157 = STM32MP153 + DSI + GPU
> 
> -STMM32MP15xY: Y = [a, c] for security diversity:
>   -STM32MP15xA: basic part.
>   -STM32MP15xC: adds crypto IP.
> 
> -STM32MP15xxZZ: ZZ = [aa, ab, ac, ad] for packages (IO) diversity:
>   -STM32MP15xxAA: TFBGA448 18x18
>   -STM32MP15xxAB: LFBGA354 16x16
>   -STM32MP15xxAC: TFBGA361 12x12
>   -STM32MP15xxAD: TFBGA257 10x10
> 
> New device tree files are created and some existing are renamed to match with
> this split.
> 
> In this way it is easy to assemble (by inclusion) those files to match with the
> SOC partnumber used on board, and then it's simpler for users to create their
> own device tree board file using the correct SOC.
> 
> For more details:
> 
> See STM32MP151 [1], STM32MP153 [2], STM32MP157 [3] reference manuals:
>   [1] https://www.st.com/resource/en/reference_manual/dm00366349.pdf
>   [2] https://www.st.com/resource/en/reference_manual/dm00366355.pdf
>   [3] https://www.st.com/resource/en/reference_manual/dm00327659.pdf
> 
> Product family:
>   https://www.st.com/en/microcontrollers-microprocessors/stm32-arm-cortex-mpus.html#products
> 
> regards
> Alex
> 
> Alexandre Torgue (6):
>    ARM: dts: stm32: Adapt stm32mp157 pinctrl to manage STM32MP15xx SOCs
>      family
>    ARM: dts: stm32: Update stm32mp157 pinctrl files
>    ARM: dts: stm32: Introduce new STM32MP15 SOCs: STM32MP151 and
>      STM32MP153
>    ARM: dts: stm32: Manage security diversity for STM32M15x SOCs
>    ARM: dts: stm32: Adapt STM32MP157 DK boards to stm32 DT diversity
>    ARM: dts: stm32: Adapt STM32MP157C ED1 board to STM32 DT diversity
> 
>   arch/arm/boot/dts/stm32mp15-pinctrl.dtsi      | 1087 +++++++++++++++
>   .../dts/{stm32mp157c.dtsi => stm32mp151.dtsi} |  218 ++-
>   arch/arm/boot/dts/stm32mp153.dtsi             |   45 +
>   arch/arm/boot/dts/stm32mp157-pinctrl.dtsi     | 1240 -----------------
>   arch/arm/boot/dts/stm32mp157.dtsi             |   31 +
>   arch/arm/boot/dts/stm32mp157a-avenger96.dts   |    5 +-
>   arch/arm/boot/dts/stm32mp157a-dk1.dts         |  604 +-------
>   arch/arm/boot/dts/stm32mp157c-dk2.dts         |    6 +-
>   arch/arm/boot/dts/stm32mp157c-ed1.dts         |    6 +-
>   arch/arm/boot/dts/stm32mp157xaa-pinctrl.dtsi  |   90 --
>   arch/arm/boot/dts/stm32mp157xab-pinctrl.dtsi  |   62 -
>   arch/arm/boot/dts/stm32mp157xac-pinctrl.dtsi  |   78 --
>   arch/arm/boot/dts/stm32mp157xad-pinctrl.dtsi  |   62 -
>   arch/arm/boot/dts/stm32mp15xc.dtsi            |   18 +
>   arch/arm/boot/dts/stm32mp15xx-dkx.dtsi        |  606 ++++++++
>   arch/arm/boot/dts/stm32mp15xxaa-pinctrl.dtsi  |   85 ++
>   arch/arm/boot/dts/stm32mp15xxab-pinctrl.dtsi  |   57 +
>   arch/arm/boot/dts/stm32mp15xxac-pinctrl.dtsi  |   73 +
>   arch/arm/boot/dts/stm32mp15xxad-pinctrl.dtsi  |   57 +
>   19 files changed, 2232 insertions(+), 2198 deletions(-)
>   create mode 100644 arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
>   rename arch/arm/boot/dts/{stm32mp157c.dtsi => stm32mp151.dtsi} (91%)
>   create mode 100644 arch/arm/boot/dts/stm32mp153.dtsi
>   delete mode 100644 arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
>   create mode 100644 arch/arm/boot/dts/stm32mp157.dtsi
>   delete mode 100644 arch/arm/boot/dts/stm32mp157xaa-pinctrl.dtsi
>   delete mode 100644 arch/arm/boot/dts/stm32mp157xab-pinctrl.dtsi
>   delete mode 100644 arch/arm/boot/dts/stm32mp157xac-pinctrl.dtsi
>   delete mode 100644 arch/arm/boot/dts/stm32mp157xad-pinctrl.dtsi
>   create mode 100644 arch/arm/boot/dts/stm32mp15xc.dtsi
>   create mode 100644 arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
>   create mode 100644 arch/arm/boot/dts/stm32mp15xxaa-pinctrl.dtsi
>   create mode 100644 arch/arm/boot/dts/stm32mp15xxab-pinctrl.dtsi
>   create mode 100644 arch/arm/boot/dts/stm32mp15xxac-pinctrl.dtsi
>   create mode 100644 arch/arm/boot/dts/stm32mp15xxad-pinctrl.dtsi
>