linux-kernel - Re: [PATCH 3/9] pinctrl: renesas: rzg2l: Support output enable on RZ/G2L

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Date: Thu, 30 May 2024 15:13:29 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Paul Barker <paul.barker.ct@...renesas.com>
Cc: Magnus Damm <magnus.damm@...il.com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Linus Walleij <linus.walleij@...aro.org>, linux-renesas-soc@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-gpio@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/9] pinctrl: renesas: rzg2l: Support output enable on RZ/G2L

On Fri, May 24, 2024 at 11:46 AM Paul Barker
<paul.barker.ct@...renesas.com> wrote:
> On the RZ/G2L SoC family, the direction of the Ethernet TXC/TX_CLK
> signal is selectable to support an Ethernet PHY operating in either MII
> or RGMII mode. By default, the signal is configured as an input and MII
> mode is supported. The ETH_MODE register can be modified to configure
> this signal as an output to support RGMII mode.
>
> As this signal is by default an input, and can optionally be switched to
> an output, it maps neatly onto an `output-enable` property in the device
> tree.
>
> Signed-off-by: Paul Barker <paul.barker.ct@...renesas.com>

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

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68korg

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