linux-kernel - Re: [RFC v5 net-next 13/13] mfd: ocelot: add ocelot-pinctrl as a supported child interface

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Message-ID: <Ycx+MNV1edWhdLM5@google.com>
Date:   Wed, 29 Dec 2021 15:26:40 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Colin Foster <colin.foster@...advantage.com>
Cc:     linux-gpio@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>,
        Russell King <linux@...linux.org.uk>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Andrew Lunn <andrew@...n.ch>, UNGLinuxDriver@...rochip.com,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Vladimir Oltean <vladimir.oltean@....com>
Subject: Re: [RFC v5 net-next 13/13] mfd: ocelot: add ocelot-pinctrl as a
 supported child interface

On Sat, 18 Dec 2021, Colin Foster wrote:

> The ocelot-pinctrl device is able to be utilized by ocelot_mfd. This simply
> enables that child driver.
> 
> Signed-off-by: Colin Foster <colin.foster@...advantage.com>
> ---
>  drivers/mfd/ocelot-core.c | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)

Squash please.

> diff --git a/drivers/mfd/ocelot-core.c b/drivers/mfd/ocelot-core.c
> index c67e433f467c..71e062934812 100644
> --- a/drivers/mfd/ocelot-core.c
> +++ b/drivers/mfd/ocelot-core.c
> @@ -113,7 +113,22 @@ static const struct resource vsc7512_miim1_resources[] = {
>  	},
>  };
>  
> +static const struct resource vsc7512_pinctrl_resources[] = {
> +	{
> +		.start = 0x71070034,
> +		.end = 0x7107009f,
> +		.name = "gcb_gpio",
> +		.flags = IORESOURCE_MEM,
> +	},
> +};
> +
>  static const struct mfd_cell vsc7512_devs[] = {
> +	{
> +		.name = "pinctrl-ocelot",
> +		.of_compatible = "mscc,ocelot-pinctrl",
> +		.num_resources = ARRAY_SIZE(vsc7512_pinctrl_resources),
> +		.resources = vsc7512_pinctrl_resources,
> +	},
>  	{
>  		.name = "ocelot-miim1",
>  		.of_compatible = "mscc,ocelot-miim",
> @@ -164,6 +179,10 @@ int ocelot_mfd_init(struct ocelot_mfd_config *config)
>  
>  	ret = mfd_add_devices(dev, PLATFORM_DEVID_NONE, vsc7512_devs,
>  			      ARRAY_SIZE(vsc7512_devs), NULL, 0, NULL);
> +	if (ret) {
> +		dev_err(dev, "error adding mfd devices\n");
> +		return ret;
> +	}
>  
>  	dev_info(dev, "ocelot mfd core setup complete\n");
>  

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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