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SubjectRe: [PATCH] ARM: DTS: imx53: Add support for imx53 HSC/DDC boards from K+P
Hi Fabio,

Thanks for your feedback.

> Hi Lukasz,
>
> On Wed, May 9, 2018 at 12:34 PM, Lukasz Majewski <lukma@denx.de>
> wrote:
>
> > +&iomuxc {
> > + imx53-kp-ddc {
>
> No need for keeping this imx53-kp-ddc.
>
> > 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 = "K+P imx53 HSC";
> > + compatible = "kiebackpeter,imx53-hsc", "fsl,imx53";
> > +
>
> No need for this blank line.
>
> > +};
> > +
> > +&fec {
> > + status = "okay";
>
> 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.

>
> > + gpio_buttons {
> > + compatible = "gpio-keys";
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_gpiobuttons>;
> > +
> > + button@1 {
>
> You pass @1 without a reg property. This triggers a warning when
> building with W=1.
>
> You could remove the @1.
>
> Please make sure this patch does not introduce any W=1 dtc warning.
>
> > +&iomuxc {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_kp_common>;
> > +
> > + imx53-kp-common {
>
> 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.

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


I will sent fixed version in v2.


Best regards,

Lukasz Majewski

--

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