Re: [DistroKit] [PATCH v2] v7a: kernel: Enable I/O expander driver for STM32MP135F-DK

[Robert Schwebel <r.schwebel@pengutronix.de>]

applied to next

On Thu, Aug 01, 2024 at 12:35:39AM +0200, Uwe Kleine-König wrote:
> From: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
> 
> The i2c I/O expander MCP23S08 provides GPIOs to reset various components
> (ethernet phy, display bridge, camera). The I/O expander is configured
> as built-in as it is needed for nfs-root operation (once the kernel
> contains the needed adaptions for the stmmac to support the stm32mp13x).
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
> ---
> Hello,
> 
> (implicit) v1 of this patch had a different subject as some more drivers
> were enabled, see
> https://lore.pengutronix.de/distrokit/20240730150915.2397723-2-u.kleine-koenig@baylibre.com/
> . Ahmad requested to only enable the I/O expander as display and camera
> are not supported in Distrokit userspace anyhow.
> 
> Best regards
> Uwe
> 
>  configs/platform-v7a/kernelconfig | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/configs/platform-v7a/kernelconfig b/configs/platform-v7a/kernelconfig
> index e6fadf500da3..5f12b549580c 100644
> --- a/configs/platform-v7a/kernelconfig
> +++ b/configs/platform-v7a/kernelconfig
> @@ -1208,6 +1208,7 @@ CONFIG_GENERIC_CPU_VULNERABILITIES=y
>  CONFIG_SOC_BUS=y
>  CONFIG_REGMAP=y
>  CONFIG_REGMAP_I2C=y
> +CONFIG_REGMAP_SPI=y
>  CONFIG_REGMAP_MMIO=y
>  CONFIG_REGMAP_IRQ=y
>  CONFIG_DMA_SHARED_BUFFER=y
> @@ -2100,7 +2101,9 @@ CONFIG_GENERIC_PINCONF=y
>  CONFIG_PINCTRL_AT91=y
>  CONFIG_PINCTRL_AT91PIO4=y
>  # CONFIG_PINCTRL_CY8C95X0 is not set
> -# CONFIG_PINCTRL_MCP23S08 is not set
> +CONFIG_PINCTRL_MCP23S08_I2C=y
> +CONFIG_PINCTRL_MCP23S08_SPI=y
> +CONFIG_PINCTRL_MCP23S08=y
>  # CONFIG_PINCTRL_MICROCHIP_SGPIO is not set
>  # CONFIG_PINCTRL_OCELOT is not set
>  # CONFIG_PINCTRL_PALMAS is not set
> 
> base-commit: 747926d7f2936451c93f72b8dc0cfc58c7bb3122
> -- 
> 2.43.0
> 
> 
> 

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