linux-kernel - Re: [PATCH v4 0/6] Add boot phase tags for STMicroelectronics boards

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Message-ID: <7ee1a963-4e55-4499-b316-0d352683c6c1@foss.st.com>
Date: Thu, 22 Jan 2026 08:15:23 +0100
From: Patrice CHOTARD <patrice.chotard@...s.st.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Maxime Coquelin
	<mcoquelin.stm32@...il.com>, Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Patrick Delaunay <patrick.delaunay@...s.st.com>
CC: <devicetree@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 0/6] Add boot phase tags for STMicroelectronics boards



On 1/9/26 10:22, Patrice Chotard wrote:
> The bootph-all flag was introduced in dt-schema
> (dtschema/schemas/bootph.yaml) to define node usage across
> different boot phases.
>     
> To ensure SD boot, timer, gpio, syscfg, clock and uart nodes need to be
> present in all boot stages, so add missing bootph-all phase flag
> to these nodes to support SD boot.
> 
> Signed-off-by: Patrice Chotard <patrice.chotard@...s.st.com>
> ---
> Changes in v4:
> - Remove useless nodes in stm32mp15-scmi.dtsi
> - Link to v3: https://lore.kernel.org/r/20260108-upstream_uboot_properties-v3-0-c1b9d4f2ce8d@foss.st.com
> 
> Changes in v3:
> - Remove duplicate bootph-all property in ltdc node
> - Link to v2: https://lore.kernel.org/r/20251114-upstream_uboot_properties-v2-0-3784ff668ae0@foss.st.com
> 
> Changes in v2:
> - Fix 'pinmux' is a required property for arch/arm/boot/dts/st/stm32mp157c-ev1-scmi.dtb
> - Add bootph-all property for lvds and ltdc nodes for stm32mp2
> 
> ---

Initial implementation allows to factorize and add bootph-* properties in a limited number of DT files.

But after internal discussion with Alexandre, choice has been done to add bootph-* properties in board 
DT files only instead of SoCs/pinctrl/boards DT files. 

This impacts a greater number of DT boards files.
A new series revision will be send to match this requirement.

Patrice


> Patrice Chotard (6):
>       ARM: dts: stm32: Add boot phase tags for STMicroelectronics f4 boards
>       ARM: dts: stm32: Add boot phase tags for STMicroelectronics f7 boards
>       ARM: dts: stm32: Add boot phase tags for STMicroelectronics h7 boards
>       ARM: dts: stm32: Add boot phase tags for STMicroelectronics mp13 boards
>       ARM: dts: stm32: Add boot phase tags for STMicroelectronics mp15 boards
>       arm64: dts: st: Add boot phase tags for STMicroelectronics mp2 boards
> 
>  arch/arm/boot/dts/st/stm32429i-eval.dts       | 11 +++++
>  arch/arm/boot/dts/st/stm32746g-eval.dts       | 10 +++++
>  arch/arm/boot/dts/st/stm32f4-pinctrl.dtsi     | 12 ++++++
>  arch/arm/boot/dts/st/stm32f429-disco.dts      | 11 +++++
>  arch/arm/boot/dts/st/stm32f429.dtsi           |  9 ++++
>  arch/arm/boot/dts/st/stm32f469-disco.dts      | 12 ++++++
>  arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi     | 11 +++++
>  arch/arm/boot/dts/st/stm32f746-disco.dts      | 12 ++++++
>  arch/arm/boot/dts/st/stm32f746.dtsi           |  5 +++
>  arch/arm/boot/dts/st/stm32f769-disco.dts      | 12 ++++++
>  arch/arm/boot/dts/st/stm32h743.dtsi           | 19 +++++++++
>  arch/arm/boot/dts/st/stm32mp131.dtsi          | 21 ++++++++++
>  arch/arm/boot/dts/st/stm32mp135f-dk.dts       | 11 +++++
>  arch/arm/boot/dts/st/stm32mp15-scmi.dtsi      |  2 +
>  arch/arm/boot/dts/st/stm32mp151.dtsi          | 29 +++++++++++++
>  arch/arm/boot/dts/st/stm32mp157a-dk1-scmi.dts | 14 +++++++
>  arch/arm/boot/dts/st/stm32mp157a-dk1.dts      | 43 +++++++++++++++++++
>  arch/arm/boot/dts/st/stm32mp157c-dk2.dts      | 43 +++++++++++++++++++
>  arch/arm/boot/dts/st/stm32mp157c-ed1-scmi.dts | 14 +++++++
>  arch/arm/boot/dts/st/stm32mp157c-ed1.dts      | 60 +++++++++++++++++++++++++++
>  arch/arm/boot/dts/st/stm32mp157c-ev1-scmi.dts | 25 +++++++++++
>  arch/arm/boot/dts/st/stm32mp157c-ev1.dts      | 36 ++++++++++++++++
>  arch/arm64/boot/dts/st/stm32mp211.dtsi        |  7 ++++
>  arch/arm64/boot/dts/st/stm32mp215f-dk.dts     |  1 +
>  arch/arm64/boot/dts/st/stm32mp231.dtsi        | 22 ++++++++++
>  arch/arm64/boot/dts/st/stm32mp235f-dk.dts     | 11 +++++
>  arch/arm64/boot/dts/st/stm32mp251.dtsi        | 25 +++++++++++
>  arch/arm64/boot/dts/st/stm32mp255.dtsi        |  3 +-
>  arch/arm64/boot/dts/st/stm32mp257f-dk.dts     | 11 +++++
>  arch/arm64/boot/dts/st/stm32mp257f-ev1.dts    | 11 +++++
>  30 files changed, 512 insertions(+), 1 deletion(-)
> ---
> base-commit: 53c18dc078bb6d9e9dfe2cc0671ab78588c44723
> change-id: 20251112-upstream_uboot_properties-22480b0b4b1c
> 
> Best regards,