linux-kernel - Re: [PATCH] mfd: simple-mfd-i2c: add compatible strings for Layerscape QIXIS FPGA

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Message-ID: <tkukh74qtng3qdweau2aznm6apcwadescelhtg4oyqrc6s6tio@bm67q7jgnkxz>
Date: Thu, 17 Jul 2025 15:43:38 +0300
From: Ioana Ciornei <ioana.ciornei@....com>
To: MichaelWallemwalle@...nel.org
Cc: Lee Jones <lee@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mfd: simple-mfd-i2c: add compatible strings for
 Layerscape QIXIS FPGA

On Mon, Jul 07, 2025 at 06:31:20PM +0300, Ioana Ciornei wrote:
> The QIXIS FPGA found on Layerscape boards such as LX2160AQDS, LS1028AQDS
> etc deals with power-on-reset timing, muxing etc. Use the simple-mfd-i2c
> as its core driver by adding its compatible string (already found in
> some dt files). By using the simple-mfd-i2c driver, any child device
> will have access to the i2c regmap created by it.
> 
> Signed-off-by: Ioana Ciornei <ioana.ciornei@....com>
> ---
>  drivers/mfd/simple-mfd-i2c.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/mfd/simple-mfd-i2c.c b/drivers/mfd/simple-mfd-i2c.c
> index 22159913bea0..f7798bd92222 100644
> --- a/drivers/mfd/simple-mfd-i2c.c
> +++ b/drivers/mfd/simple-mfd-i2c.c
> @@ -99,6 +99,8 @@ static const struct of_device_id simple_mfd_i2c_of_match[] = {
>  	{ .compatible = "maxim,max5970", .data = &maxim_max5970},
>  	{ .compatible = "maxim,max5978", .data = &maxim_max5970},
>  	{ .compatible = "maxim,max77705-battery", .data = &maxim_mon_max77705},
> +	{ .compatible = "fsl,lx2160aqds-fpga" },
> +	{ .compatible = "fsl,ls1028aqds-fpga" },
>  	{}
>  };

Hi Michael,

I somehow missed to cc you on this. Are you ok with this patch?

Ioana