linux-kernel - Re: [PATCH v7 1/6] soc: renesas: rz-sysc: Add syscon/regmap support

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Message-ID: <d00ce701-2ddd-485e-8bfd-12cddec62fef@tuxon.dev>
Date: Tue, 19 Aug 2025 08:07:16 +0300
From: claudiu beznea <claudiu.beznea@...on.dev>
To: John Madieu <john.madieu.xa@...renesas.com>, geert+renesas@...der.be,
 magnus.damm@...il.com, mturquette@...libre.com, sboyd@...nel.org,
 rafael@...nel.org, daniel.lezcano@...aro.org, rui.zhang@...el.com,
 lukasz.luba@....com, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, p.zabel@...gutronix.de, catalin.marinas@....com,
 will@...nel.org
Cc: john.madieu@...il.com, linux-renesas-soc@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
 devicetree@...r.kernel.org, biju.das.jz@...renesas.com,
 linux-arm-kernel@...ts.infradead.org,
 Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: Re: [PATCH v7 1/6] soc: renesas: rz-sysc: Add syscon/regmap support



On 8/18/25 19:28, John Madieu wrote:
> The RZ/G3E system controller has various registers that control or report
> some properties specific to individual IPs. The regmap is registered as a
> syscon device to allow these IP drivers to access the registers through the
> regmap API.
> 
> As other RZ SoCs might have custom read/write callbacks or max-offsets,
> register a custom regmap configuration.
> 
> Signed-off-by: John Madieu<john.madieu.xa@...renesas.com>
> [claudiu.beznea:
>   - do not check the match->data validity in rz_sysc_probe() as it is
>     always valid
>   - dinamically allocate regmap_cfg]
> Signed-off-by: Claudiu Beznea<claudiu.beznea.uj@...renesas.com>

Reviewed-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Tested-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com> # on RZ/G3S