linux-kernel - RE: [PATCH v2 1/4] dt-bindings: phy: phy-imx8-pcie: Add binding for the pad modes of imx8 pcie phy

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Message-ID: <AS8PR04MB8676652408689F8453D2805B8CA89@AS8PR04MB8676.eurprd04.prod.outlook.com>
Date:   Tue, 28 Sep 2021 02:28:40 +0000
From:   Richard Zhu <hongxing.zhu@....com>
To:     Lucas Stach <l.stach@...gutronix.de>,
        "kishon@...com" <kishon@...com>,
        "vkoul@...nel.org" <vkoul@...nel.org>,
        "robh@...nel.org" <robh@...nel.org>,
        "galak@...nel.crashing.org" <galak@...nel.crashing.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>
CC:     "linux-phy@...ts.infradead.org" <linux-phy@...ts.infradead.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>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH v2 1/4] dt-bindings: phy: phy-imx8-pcie: Add binding for
 the pad modes of imx8 pcie phy


> -----Original Message-----
> From: Lucas Stach <l.stach@...gutronix.de>
> Sent: Monday, September 27, 2021 4:27 PM
> To: Richard Zhu <hongxing.zhu@....com>; kishon@...com; vkoul@...nel.org;
> robh@...nel.org; galak@...nel.crashing.org; shawnguo@...nel.org
> Cc: linux-phy@...ts.infradead.org; devicetree@...r.kernel.org;
> linux-arm-kernel@...ts.infradead.org; linux-kernel@...r.kernel.org;
> kernel@...gutronix.de; dl-linux-imx <linux-imx@....com>
> Subject: Re: [PATCH v2 1/4] dt-bindings: phy: phy-imx8-pcie: Add binding for
> the pad modes of imx8 pcie phy
> 
> Am Sonntag, dem 26.09.2021 um 15:39 +0800 schrieb Richard Zhu:
> > Add binding for reference clock PAD modes of the i.MX8 PCIe PHY.
> >
> > Signed-off-by: Richard Zhu <hongxing.zhu@....com>
> > ---
> >  include/dt-bindings/phy/phy-imx8-pcie.h | 14 ++++++++++++++
> >  1 file changed, 14 insertions(+)
> >  create mode 100644 include/dt-bindings/phy/phy-imx8-pcie.h
> >
> > diff --git a/include/dt-bindings/phy/phy-imx8-pcie.h
> > b/include/dt-bindings/phy/phy-imx8-pcie.h
> > new file mode 100644
> > index 000000000000..59ed322f8d6c
> > --- /dev/null
> > +++ b/include/dt-bindings/phy/phy-imx8-pcie.h
> > @@ -0,0 +1,14 @@
> > +/* SPDX-License-Identifier: GPL-2.0+ */
> 
> This should be (GPL-2.0+ OR MIT) to be compatible with the license of the
> DTSI file it is included in.
[Richard Zhu] Thanks for your comments. Okay, would be changed as this one later.

> 
> > +/*
> > + * This header provides constants for i.MX8 PCIe.
> > + */
> > +
> > +#ifndef _DT_BINDINGS_IMX8_PCIE_H
> > +#define _DT_BINDINGS_IMX8_PCIE_H
> > +
> > +/* Reference clock PAD mode */
> > +#define IMX8_PCIE_REFCLK_PAD_NO_USED	0
> 
> I think _UNUSED would be the more idiomatic way to call this.
> 
[Richard Zhu] Okay, got that. Thanks.

Best Regards
Richard Zhu
> > +#define IMX8_PCIE_REFCLK_PAD_INPUT	1
> > +#define IMX8_PCIE_REFCLK_PAD_OUTPUT	2
> > +
> > +#endif /* _DT_BINDINGS_IMX8_PCIE_H */
>