linux-kernel - [PATCH 0/9] Introduce HDP support for STM32MP platforms

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Message-ID: <20250225-hdp-upstream-v1-0-9d049c65330a@foss.st.com>
Date: Tue, 25 Feb 2025 09:47:59 +0100
From: Clément Le Goffic <clement.legoffic@...s.st.com>
To: Linus Walleij <linus.walleij@...aro.org>, 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>,
        Bartosz Golaszewski <brgl@...ev.pl>
CC: <linux-kernel@...r.kernel.org>, <linux-gpio@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        Clément Le Goffic
	<clement.legoffic@...s.st.com>
Subject: [PATCH 0/9] Introduce HDP support for STM32MP platforms

This patch series introduces the Hardware Debug Port (HDP) support for
STM32MP platforms.

It includes the addition of device tree bindings, the HDP driver,
and updates to the device tree files for STM32MP13, STM32MP15,
and STM32MP25 SoCs.
The series also updates the MAINTAINERS file to include myself as the
maintainer for the STM32 HDP driver and adds the necessary
pinmux configurations for HDP pins on STM32MP157C-DK2 as example.

Signed-off-by: Clément Le Goffic <clement.legoffic@...s.st.com>
---
Clément Le Goffic (9):
      dt-bindings: pinctrl: stm32: Add HDP includes for stm32mp platforms
      dt-bindings: pinctrl: stm32: Introduce HDP
      pinctrl: stm32: Introduce HDP driver
      MAINTAINERS: Add Clément Le Goffic as STM32 HDP maintainer
      ARM: dts: stm32: add Hardware debug port (HDP) on stm32mp13
      ARM: dts: stm32: add Hardware debug port (HDP) on stm32mp15
      ARM: dts: stm32: add Hardware debug port (HDP) on stm32mp25
      ARM: dts: stm32: add alternate pinmux for HDP pin and add HDP pinctrl node
      ARM: dts: stm32: add Hardware debug port (HDP) on stm32mp157c-dk2 board

 .../bindings/pinctrl/st,stm32-pinctrl-hdp.yaml     |  72 +++++
 MAINTAINERS                                        |   7 +
 arch/arm/boot/dts/st/stm32mp131.dtsi               |   7 +
 arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi        |  26 ++
 arch/arm/boot/dts/st/stm32mp151.dtsi               |   7 +
 arch/arm/boot/dts/st/stm32mp157c-dk2.dts           |   6 +
 arch/arm64/boot/dts/st/stm32mp251.dtsi             |   7 +
 drivers/pinctrl/stm32/Kconfig                      |  14 +
 drivers/pinctrl/stm32/Makefile                     |   1 +
 drivers/pinctrl/stm32/pinctrl-stm32-hdp.c          | 301 +++++++++++++++++++++
 include/dt-bindings/pinctrl/stm32mp13-hdp.h        | 130 +++++++++
 include/dt-bindings/pinctrl/stm32mp15-hdp.h        | 116 ++++++++
 include/dt-bindings/pinctrl/stm32mp25-hdp.h        | 144 ++++++++++
 13 files changed, 838 insertions(+)
---
base-commit: d01895c5b11849113e70f012d9d142f1d88852f0
change-id: 20250224-hdp-upstream-622e5da14a9f

Best regards,
-- 
Clément Le Goffic <clement.legoffic@...s.st.com>