netdev - Re: [PATCH v2 06/11] pinctrl: renesas: rzg2l: Add output enable support

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Message-ID: <CAMuHMdU02=qcsX8kn0b=qMGCry1gLMjhQzht265_N8CbgJ1bEw@mail.gmail.com>
Date: Wed, 13 Dec 2023 14:56:21 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Claudiu <claudiu.beznea@...on.dev>
Cc: s.shtylyov@....ru, davem@...emloft.net, edumazet@...gle.com, 
	kuba@...nel.org, pabeni@...hat.com, robh+dt@...nel.org, 
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org, magnus.damm@...il.com, 
	mturquette@...libre.com, sboyd@...nel.org, linus.walleij@...aro.org, 
	prabhakar.mahadev-lad.rj@...renesas.com, biju.das.jz@...renesas.com, 
	linux-renesas-soc@...r.kernel.org, netdev@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-clk@...r.kernel.org, linux-gpio@...r.kernel.org, 
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: Re: [PATCH v2 06/11] pinctrl: renesas: rzg2l: Add output enable support

On Thu, Dec 7, 2023 at 8:08 AM Claudiu <claudiu.beznea@...on.dev> wrote:
> From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
>
> Some of the Ethernet pins on RZ/G3S (but also valid for RZ/G2L) need to
> have the direction of the IO buffer set as output for Ethernet to work
> properly. On RZ/G3S, these pins are P1_0/P7_0, P1_1/P7_1 which could have
> the following Ethernet functions: TXC/TX_CLK or TX_CTL/TX_EN.
>
> As the pins supporting output enable are SoC specific and there is a
> limited number of these pins (TXC/TX_CLK and/or TX_CTL/TX_EN), for proper
> validation the output enable capable port limits were specified on
> platform-based configuration data structure.
>
> The OEN support has been intantiated for RZ/G3S at the moment.
>
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
> ---
>
> Changes in v2:
> - use 8 bit helpers to get/set value of output enable register
> - adapted to code to work for both RZ/G2L based devices and RZ/G3S
> - removed IEN capability for Ethernet pins and added it in a separate
>   patch (patch 07/12)

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
i.e. will queue in renesas-pinctrl-for-v6.8.

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