linux-kernel - Re: [PATCH v2 1/3] dt-bindings: power: renesas,rzg2l-sysc: Add DT binding documentation for SYSC controller

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Message-ID: <CAMuHMdVL-6dykmxb9PozWap3iTJEwuNQBgvvJwxHNGEu=r2WOg@mail.gmail.com>
Date:   Thu, 10 Jun 2021 14:22:09 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Magnus Damm <magnus.damm@...il.com>,
        "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>,
        Prabhakar <prabhakar.csengg@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH v2 1/3] dt-bindings: power: renesas,rzg2l-sysc: Add DT
 binding documentation for SYSC controller

Hi Prabhakar,

On Wed, Jun 9, 2021 at 6:37 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@...renesas.com> wrote:
> Add DT binding documentation for SYSC controller found on
> RZ/G2{L,LC,UL} SoC's.
>
> SYSC block contains the LSI_DEVID register which is used to retrieve
> SoC product information.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Thanks for the update!

> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/renesas,rzg2l-sysc.yaml
> @@ -0,0 +1,63 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/power/renesas,rzg2l-sysc.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: Renesas RZ/G2L System Controller (SYSC)
> +
> +maintainers:
> +  - Geert Uytterhoeven <geert+renesas@...der.be>
> +
> +description:
> +  The RZ/G2L System Controller (SYSC) performs system control of the LSI and
> +  supports following functions,
> +  - External terminal state capture function
> +  - 34-bit address space access function
> +  - Low power consumption control
> +  - WDT stop control
> +
> +properties:
> +  compatible:
> +    enum:
> +      - renesas,r9a07g044-sysc # RZ/G2{L,LC}
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    items:
> +      - description: CA55/CM33 Sleep/Software Standby Mode request interrupt
> +      - description: CA55 Software Standby Mode release request interrupt
> +      - description: CM33 Software Standby Mode release request interrupt
> +      - description: CA55 ACE Asynchronous Bridge Master/Slave interface deny request interrupt
> +
> +  interrupt-names:
> +    items:
> +      - const: sys_lpm_int
> +      - const: sys_ca55stbydone_int
> +      - const: sys_cm33stbyr_int
> +      - const: sys_ca55_deny

The "sys_" prefixes feel superfluous to me.
If you don't mind, I can remove them while applying (also from example
and .dtsi).

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