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Message-ID: <a88cb8e2-052e-5c1b-9e64-9f937030b3fe@st.com>
Date: Wed, 4 Dec 2019 16:15:43 +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 v2 0/6] STM32 DT: Updates for SOC diversity
Hi
On 11/29/19 7:05 PM, Alexandre Torgue wrote:
> Changes since v1:
> -According to Arnd comment, move chosen and aliases nodes to dts board file.
>
>
> 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 = 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
>
Series applied on stm32-next.
Regards
Alex
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