linux-kernel - Re: [DO NOT MERGE v5 17/37] dt-bindings: interrupt-controller: renesas,sh7751-intc: Add json-schema

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Message-ID: <CACRpkdbFNyEn_ub3moh9f6zbBKzTBt-CPRykUfexd5fXjpKE3Q@mail.gmail.com>
Date:   Tue, 5 Dec 2023 10:59:54 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Yoshinori Sato <ysato@...rs.sourceforge.jp>
Cc:     linux-sh@...r.kernel.org, Damien Le Moal <dlemoal@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Magnus Damm <magnus.damm@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Rich Felker <dalias@...c.org>,
        John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        Lee Jones <lee@...nel.org>, Helge Deller <deller@....de>,
        Heiko Stuebner <heiko@...ech.de>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Chris Morgan <macromorgan@...mail.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Arnd Bergmann <arnd@...db.de>,
        Hyeonggon Yoo <42.hyeyoo@...il.com>,
        David Rientjes <rientjes@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>, Baoquan He <bhe@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Guo Ren <guoren@...nel.org>,
        Javier Martinez Canillas <javierm@...hat.com>,
        Azeem Shaikh <azeemshaikh38@...il.com>,
        Palmer Dabbelt <palmer@...osinc.com>,
        Bin Meng <bmeng@...ylab.org>,
        Max Filippov <jcmvbkbc@...il.com>, Tom Rix <trix@...hat.com>,
        Herve Codina <herve.codina@...tlin.com>,
        Jacky Huang <ychuang3@...oton.com>,
        Lukas Bulwahn <lukas.bulwahn@...il.com>,
        Jonathan Corbet <corbet@....net>,
        Biju Das <biju.das.jz@...renesas.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, Sam Ravnborg <sam@...nborg.org>,
        Michael Karcher <kernel@...rcher.dialup.fu-berlin.de>,
        Sergey Shtylyov <s.shtylyov@....ru>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        linux-ide@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        linux-clk@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-pci@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-fbdev@...r.kernel.org
Subject: Re: [DO NOT MERGE v5 17/37] dt-bindings: interrupt-controller:
 renesas,sh7751-intc: Add json-schema

Hi Yoshinori,

thanks for your patch!

On Tue, Dec 5, 2023 at 10:46 AM Yoshinori Sato
<ysato@...rs.sourceforge.jp> wrote:

> +  renesas,icr-irlm:
> +    type: boolean
> +    description: If true ICR.IRLM=1

That's a bit hard to understand. I suppose it's something that need to sometimes
be changed for a system so would be good to document it properly.

> +  renesas,ipr-map:
> +    $ref: /schemas/types.yaml#/definitions/uint32-array
> +    description: |
> +      IRQ to IPR mapping definition.
> +      1st - INTEVT
> +      2nd - Register
> +      3rd - bit index

Isn't this table always the same for a certain SoC, e.g. compatible
"renesas,sh7751-intc"?

Then don't keep it in the device tree, just look it up per-soc from a
table in the driver.

Other than that it looks good to me.

Yours,
Linus Walleij