linux-kernel - RE: [PATCH 8/8] interconnect: imx: Add platform driver for imx8mp

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Message-ID: <DU0PR04MB941749B53C5A3B8EBE01B84D88DF9@DU0PR04MB9417.eurprd04.prod.outlook.com>
Date:   Wed, 1 Jun 2022 12:03:31 +0000
From:   Peng Fan <peng.fan@....com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "Peng Fan (OSS)" <peng.fan@....nxp.com>,
        "djakov@...nel.org" <djakov@...nel.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>, Abel Vesa <abel.vesa@....com>,
        "abailon@...libre.com" <abailon@...libre.com>,
        "l.stach@...gutronix.de" <l.stach@...gutronix.de>,
        "laurent.pinchart@...asonboard.com" 
        <laurent.pinchart@...asonboard.com>,
        "marex@...x.de" <marex@...x.de>,
        "paul.elder@...asonboard.com" <paul.elder@...asonboard.com>,
        "Markus.Niebel@...tq-group.com" <Markus.Niebel@...tq-group.com>,
        "aford173@...il.com" <aford173@...il.com>
CC:     "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH 8/8] interconnect: imx: Add platform driver for imx8mp

> Subject: Re: [PATCH 8/8] interconnect: imx: Add platform driver for imx8mp
> 
> On 01/06/2022 11:41, Peng Fan (OSS) wrote:
> > From: Peng Fan <peng.fan@....com>
> >
> > Add a platform driver for the i.MX8MP SoC describing bus topology,
> > based on internal documentation.
> >
> > Signed-off-by: Peng Fan <peng.fan@....com>
> 
> > +
> > +static struct platform_driver imx8mp_icc_driver = {
> > +	.probe = imx8mp_icc_probe,
> > +	.remove = imx8mp_icc_remove,
> > +	.driver = {
> > +		.name = "imx8mp-interconnect",
> 
> How do you match/bind the driver?

drivers/devfreq/imx-bus.c will create a platform device
that match this driver. I have not posted the patch to add
imx8mp support in devfreq driver.

Thanks,
Peng.

> 
> > +	},
> > +};
> > +
> > +module_platform_driver(imx8mp_icc_driver);
> > +MODULE_AUTHOR("Peng Fan <peng.fan@....com>");
> MODULE_LICENSE("GPL
> > +v2"); MODULE_ALIAS("platform:imx8mp-interconnect");
> > diff --git a/include/dt-bindings/interconnect/fsl,imx8mp.h
> > b/include/dt-bindings/interconnect/fsl,imx8mp.h
> > new file mode 100644
> 
> Bindings are separate patch.
> 
> > index 000000000000..732547577c76
> > --- /dev/null
> > +++ b/include/dt-bindings/interconnect/fsl,imx8mp.h
> > @@ -0,0 +1,59 @@
> > +/* SPDX-License-Identifier: GPL-2.0 */
> 
> Dual license.
> 
> > +/*
> > + * Interconnect framework driver for i.MX SoC
> > + *
> > + * Copyright 2022 NXP
> > + * Peng Fan <peng.fan@....com>
> > + */
> > +
> 
> 
> 
> Best regards,
> Krzysztof