[PATCH v5 0/9] Introduce HDP support for STM32MP platforms

[Linus Walleij]

On Mon, Jun 16, 2025 at 10:05 AM Bartosz Golaszewski <brgl at bgdev.pl> wrote:
> On Fri, Jun 13, 2025 at 12:16 PM Clément Le Goffic
> <clement.legoffic at foss.st.com> wrote:
> >
> > This patch series introduces the Hardware Debug Port (HDP) support for
> > STM32MP platforms.
> >
> > It includes updates to the mmio gpio driver, 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 at foss.st.com>
> > ---
>
> [snip]
>
> > ---
> > Clément Le Goffic (9):
> >       gpio: mmio: add BGPIOF_NO_INPUT flag for GPO gpiochip
> >       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
> >
>
> Patches 1-4 and 5-9 can go upstream independently. I suggest taking
> patch 1/9 through the GPIO tree and providing an immutable tag to
> Linus to take patches 2-4 through the pinctrl tree. Linus: are you OK
> with that?

Yes go ahead if you want, an immutable branch based on v6.16-rc1
is the best for me, then I pull that in.

I could also just apply it and hope for the best... it usually works.

Yours,
Linus Walleij