[PATCH v1] spi: add STM32F7 QSPI controller driver

[Sascha Hauer]

On Mon, Mar 31, 2025 at 02:29:18PM +0200, Oleksij Rempel wrote:
> From: Ahmad Fatoum <a.fatoum at pengutronix.de>
> 
> Introduce support for the STM32F7 QSPI controller, compatible with
> "st,stm32f469-qspi".
> 
> Validated on STM32MP133-based MECT1S r1 board, which includes an
> F7-compatible QSPI peripheral
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> Signed-off-by: Oleksij Rempel <o.rempel at pengutronix.de>
> ---
>  drivers/spi/Kconfig          |   8 +
>  drivers/spi/Makefile         |   1 +
>  drivers/spi/spi-stm32-qspi.c | 496 +++++++++++++++++++++++++++++++++++
>  3 files changed, 505 insertions(+)
>  create mode 100644 drivers/spi/spi-stm32-qspi.c
> 
> diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
> index aebfe30a1343..d6e8bea13c9c 100644
> --- a/drivers/spi/Kconfig
> +++ b/drivers/spi/Kconfig
> @@ -114,6 +114,14 @@ config SPI_ZYNQ_QSPI
>  	  This enables support for the Zynq Quad SPI controller in master mode.
>  	  This controller only supports SPI memory interface.
>  
> +config STM32_QSPI
> +	bool "STM32F7 QSPI driver"
> +	depends on ARCH_STM32

Shall we add a || COMPILE_TEST here?

Sascha


> +	help
> +	  Enable the STM32F7 Quad-SPI (QSPI) driver. This driver can be
> +	  used to access the SPI NOR flash chips on platforms embedding
> +	  this ST IP core.
> +

-- 
Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |