Re: [PATCH 3/3] arm64: dts: renesas: Add initial device tree for RZ/G2LC SMARC EVK

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Hi Biju,

On Thu, Dec 16, 2021 at 12:43 PM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> wrote:
> Add basic support for RZ/G2LC SMARC EVK (based on R9A07G044C2):
> - memory
> - External input clock
> - SCIF
> - GbEthernet
> - Audio Clock
>
> It shares the same carrier board with RZ/G2L, but the pin mapping is
> different. Disable the device nodes which is not tested and
> delete the corresponding pinctrl definitions.
>
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Thanks for your patch!

Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Before I queue this in renesas-devel for v5.18, I have two questions:

> --- /dev/null
> +++ b/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts
> @@ -0,0 +1,99 @@
> +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +/*
> + * Device Tree Source for the RZ/G2LC SMARC EVK board
> + *
> + * Copyright (C) 2021 Renesas Electronics Corp.
> + */
> +
> +/dts-v1/;
> +#include "r9a07g044c2.dtsi"
> +#include "rzg2lc-smarc-som.dtsi"
> +#include "rzg2lc-smarc-pinfunction.dtsi"

1) So far it looks like the definitions in rzg2lc-smarc-pinfunction.dtsi
   do not really differ from those in rzg2l-smarc-pinfunction.dtsi,\
   there are just less. Will there be other differences?
2) Would it make sense to create rzg2*-smarc-som-pinfunction.dtsi
   files, too?

Thanks!

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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