Re: [PATCH v2 0/4] u-boot: add SCMI GPIO/Pinctrl support

[Peng Fan <peng.fan@oss.nxp.com>]

Hi Dan,

On Wed, Mar 11, 2026 at 10:39:30PM +0300, Dan Carpenter wrote:
>There is an existing SCMI pinctrl driver in drivers/pinctrl/nxp/ which
>lets you configure the initial state of the pins via device tree.  This
>patchset is a more generic version which provides GPIO as well.
>
>I wrote two small cleanup patches to the NXP driver, one which renamed
>an enum and another which made some white space changes.
>
>The next patch adds an pinctrl driver which lets you configure the
>initial state for the pins.  But the main thing is that we need one
>driver to handle the SCMI pinctrl protocol so the pinctrl driver does
>this.
>
>The last patch adds GPIO support over SCMI.
>
>I tested this code using the SCP SCMI server on OP-TEE over Qemu.  I
>created a custom mock pinctrl device in SCP.
>
>Changes since v1:
>Address Peng Fang's review comments.
>Use the standard gpio-ranges to describe the pins instead of
>inventing a custom format.
>
>Dan Carpenter (4):
>  scmi: pinctrl: add pinctrl message IDs
>  scmi: update comments for scmi_pinctrl_config_set_in()
>  scmi: pinctrl: add pinctrl driver for SCMI

I picked up the above three patches.

Thanks,
Peng

>  gpio: scmi: Add gpio_scmi driver
>
> drivers/firmware/scmi/Makefile            |   1 +
> drivers/firmware/scmi/pinctrl.c           | 365 +++++++++++++++++++++
> drivers/firmware/scmi/scmi_agent-uclass.c |   4 +-
> drivers/gpio/Kconfig                      |   6 +
> drivers/gpio/Makefile                     |   1 +
> drivers/gpio/gpio_scmi.c                  | 248 ++++++++++++++
> drivers/pinctrl/Kconfig                   |   9 +
> drivers/pinctrl/Makefile                  |   1 +
> drivers/pinctrl/nxp/pinctrl-imx-scmi.c    |   2 +-
> drivers/pinctrl/pinctrl-scmi.c            | 365 +++++++++++++++++++++
> include/scmi_agent-uclass.h               |   2 +-
> include/scmi_protocols.h                  | 379 +++++++++++++++++++++-
> 12 files changed, 1371 insertions(+), 12 deletions(-)
> create mode 100644 drivers/firmware/scmi/pinctrl.c
> create mode 100644 drivers/gpio/gpio_scmi.c
> create mode 100644 drivers/pinctrl/pinctrl-scmi.c
>
>-- 
>2.51.0
>
>