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Message-ID: <CAJpoHp60o9UWEsCurnWJ4Phn9=SzyhovTp9vXCDAHeB5YhTm1A@mail.gmail.com>
Date: Sun, 3 Nov 2024 11:24:18 +0100
From: Diogo Silva <diogompaissilva@...il.com>
To: Andrew Lunn <andrew@...n.ch>
Cc: hkallweit1@...il.com, linux@...linux.org.uk, davem@...emloft.net, 
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, 
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org, marex@...x.de, 
	tolvupostur@...il.com
Subject: Re: [PATCH] net: phy: ti: add PHY_RST_AFTER_CLK_EN flag

Hi Andrew,

I assume "TI DP83848C" and "NS DP83848C" are the same device, just
rebranded after Texas Instruments acquired National Semiconductors.
For both TLK10X and DP83620, both their datasheets have the same power
up timing sequence as the DP83848C (as far as clock and reset goes)
[1][2].

Best regards,
Diogo Silva

[1] https://www.ti.com/lit/ds/symlink/tlk105.pdf (section 9.10.1 -
Power Up Timing)
[2] https://www.ti.com/lit/ds/symlink/dp83620.pdf (section 4.5 - Power
Up Timing)

On Sat, 2 Nov 2024 at 18:03, Andrew Lunn <andrew@...n.ch> wrote:
>
> On Sat, Nov 02, 2024 at 04:15:05PM +0100, Diogo Silva wrote:
> > From: Diogo Silva <diogompaissilva@...il.com>
> >
> > DP83848       datasheet (section 4.7.2) indicates that the reset pin should be
> > toggled after the clocks are running. Add the PHY_RST_AFTER_CLK_EN to
> > make sure that this indication is respected.
>
> Do you have the datasheets for the other three devices this driver
> supports? Do they all require this flag?
>
>         Andrew

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