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Date:   Sat, 19 May 2018 14:02:02 +0200
From:   Lukasz Majewski <lukma@denx.de>
To:     Fabio Estevam <festevam@gmail.com>
Cc:     Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Russell King <linux@armlinux.org.uk>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <kernel@pengutronix.de>,
        Fabio Estevam <fabio.estevam@nxp.com>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] ARM: DTS: imx53: Add support for imx53 HSC/DDC boards
 from K+P
Message-ID: <20180519140202.3449e3c1@jawa>
In-Reply-To: <CAOMZO5AexXNEGVoXa9K_GAm+aFLNRQOXOhF_SdKAjV1qmuD2nA@mail.gmail.com>
References: <20180509153428.1440-1-lukma@denx.de>
        <CAOMZO5AexXNEGVoXa9K_GAm+aFLNRQOXOhF_SdKAjV1qmuD2nA@mail.gmail.com>
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Hi Fabio,

Thanks for your feedback.

> Hi Lukasz,
>=20
> On Wed, May 9, 2018 at 12:34 PM, Lukasz Majewski <lukma@denx.de>
> wrote:
>=20
> > +&iomuxc {
> > +       imx53-kp-ddc { =20
>=20
> No need for keeping this imx53-kp-ddc.
>=20
> > diff --git a/arch/arm/boot/dts/imx53-kp-hsc.dts
> > b/arch/arm/boot/dts/imx53-kp-hsc.dts new file mode 100644
> > index 000000000000..fff358395c9d
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/imx53-kp-hsc.dts
> > @@ -0,0 +1,53 @@
> > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> > +/*
> > + * Copyright 2018
> > + * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
> > + */
> > +
> > +/dts-v1/;
> > +#include "imx53-kp.dtsi"
> > +
> > +/ {
> > +       model =3D "K+P imx53 HSC";
> > +       compatible =3D "kiebackpeter,imx53-hsc", "fsl,imx53";
> > + =20
>=20
> No need for this blank line.
>=20
> > +};
> > +
> > +&fec {
> > +       status =3D "okay"; =20
>=20
> We usually put the status in the last line.

After moving status property to the end:

Error: arch/arm/boot/dts/imx53-kp-hsc.dts:21.2-18 Properties must
precede subnodes FATAL ERROR: Unable to parse input tree

So I opt for leaving it as it was.

>=20
> > +       gpio_buttons {
> > +               compatible =3D "gpio-keys";
> > +               #address-cells =3D <1>;
> > +               #size-cells =3D <0>;
> > +               pinctrl-names =3D "default";
> > +               pinctrl-0 =3D <&pinctrl_gpiobuttons>;
> > +
> > +               button@1 { =20
>=20
> You pass @1 without a reg property. This triggers a warning when
> building with W=3D1.
>=20
> You could remove the @1.
>=20
> Please make sure this patch does not introduce any W=3D1 dtc warning.
>=20
> > +&iomuxc {
> > +       pinctrl-names =3D "default";
> > +       pinctrl-0 =3D <&pinctrl_kp_common>;
> > +
> > +       imx53-kp-common { =20
>=20
> No need for this  imx53-kp-common

After removing imx53-kp-ddc and imx53-kp-common iomux subnodes I do see
following errors in the dmesg (v4.17-rc5):

imx53-pinctrl 53fa8000.iomuxc: function 'iomuxc' not supported
imx53-pinctrl 53fa8000.iomuxc: invalid function iomuxc in map table

Above statements are not visible when I use the v1 code of this patch.

>=20
> > +&uart4 {
> > +       pinctrl-names =3D "default";
> > +       pinctrl-0 =3D <&pinctrl_uart4>;
> > + =20
>=20
> No need for this blank line.


I will sent fixed version in v2.


Best regards,

Lukasz Majewski

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