linux-kernel - Re: [PATCH 7/9] arm64: dts: renesas: rzg2l: Set Ethernet PVDD to 1.8V

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Date: Thu, 30 May 2024 15:51:16 +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 7/9] arm64: dts: renesas: rzg2l: Set Ethernet PVDD to 1.8V

On Fri, May 24, 2024 at 11:47 AM Paul Barker
<paul.barker.ct@...renesas.com> wrote:
> On the RZ/G2L & RZ/V2L SMARC SOMs, the RGMII interface between the SoC
> and the Ethernet PHY operates at 1.8V.
>
> The power supply for this interface may be correctly configured in
> u-boot, but the kernel should not be relying on this. Now that the
> RZ/G2L pinctrl driver supports configuring the Ethernet power supply
> voltage, we can simply specify the desired voltage 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