linux-kernel - Re: [PATCH v2 1/5] dt-bindings: pinctrl: renesas,rzg2l-pinctrl: Add DT bindings for RZ/G2L pinctrl

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Message-ID: <CAMuHMdVGN+6AiEtkAiHso5=FVsQYSbd0xD3LULsdbMPsXPkc+Q@mail.gmail.com>
Date:   Tue, 20 Jul 2021 15:42:41 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Magnus Damm <magnus.damm@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Prabhakar <prabhakar.csengg@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH v2 1/5] dt-bindings: pinctrl: renesas,rzg2l-pinctrl: Add
 DT bindings for RZ/G2L pinctrl

Hi Prabhakar,

On Mon, Jul 12, 2021 at 9:44 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@...renesas.com> wrote:
> Add device tree binding documentation and header file for Renesas
> RZ/G2L pinctrl.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> Reviewed-by: Biju Das <biju.das.jz@...renesas.com>

Thanks for your patch!

> --- /dev/null
> +++ b/include/dt-bindings/pinctrl/rzg2l-pinctrl.h
> @@ -0,0 +1,23 @@
> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
> +/*
> + * This header provides constants for Renesas RZ/G2L family pinctrl bindings.
> + *
> + * Copyright (C) 2021 Renesas Electronics Corp.
> + *
> + */
> +
> +#ifndef __DT_BINDINGS_RZG2L_PINCTRL_H
> +#define __DT_BINDINGS_RZG2L_PINCTRL_H
> +
> +#define RZG2L_PINS_PER_PORT    8
> +
> +/*
> + * Create the pin index from its bank and position numbers and store in
> + * the upper 16 bits the alternate function identifier
> + */
> +#define RZG2L_PORT_PINMUX(b, p, f)     ((b) * RZG2L_PINS_PER_PORT + (p) | ((f) << 16))
> +
> +/* Convert a port and pin label to its global pin index */
> + #define RZG2L_GPIO(port, pin) ((port) * RZG2L_PINS_PER_PORT + (pin))

I know this was copied from RZ/A2, but some consistency in the naming
(b or bank vs. port, p vs. pin) would be nice to have.

> +
> +#endif /* __DT_BINDINGS_RZG2L_PINCTRL_H */

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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