netdev - RE: [PATCH net-next 2/3] net: phy: microchip_t1: Enable GPIO pins specific to lan887x phy for PEROUT signals

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Message-ID:
 <CO1PR11MB47712D530FA8F49E68340533E2102@CO1PR11MB4771.namprd11.prod.outlook.com>
Date: Mon, 6 Jan 2025 10:13:55 +0000
From: <Divya.Koppera@...rochip.com>
To: <andrew@...n.ch>
CC: <Arun.Ramadoss@...rochip.com>, <UNGLinuxDriver@...rochip.com>,
	<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>,
	<richardcochran@...il.com>, <vadim.fedorenko@...ux.dev>
Subject: RE: [PATCH net-next 2/3] net: phy: microchip_t1: Enable GPIO pins
 specific to lan887x phy for PEROUT signals

Hi Andrew,

Thanks for the review.

> -----Original Message-----
> From: Andrew Lunn <andrew@...n.ch>
> Sent: Friday, January 3, 2025 7:36 PM
> To: Divya Koppera - I30481 <Divya.Koppera@...rochip.com>
> Cc: Arun Ramadoss - I17769 <Arun.Ramadoss@...rochip.com>;
> UNGLinuxDriver <UNGLinuxDriver@...rochip.com>; 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; richardcochran@...il.com;
> vadim.fedorenko@...ux.dev
> Subject: Re: [PATCH net-next 2/3] net: phy: microchip_t1: Enable GPIO pins
> specific to lan887x phy for PEROUT signals
> 
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the
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> 
> On Fri, Jan 03, 2025 at 02:37:30PM +0530, Divya Koppera wrote:
> > Adds support for enabling GPIO pins that are required to generate
> > periodic output signals on lan887x phy.
> 
> Do the GPIO have other functions? Can they be used as additional LEDs?
> 
> I'm just thinking about resource allocation...
> 

We are supporting 2 events(PPS, REF_CLK) out of it PPS is default.
REF_CLK is a GPIO pin which has led2 as alternate function.
But lan887x uses led3 as default led.

Yes, we need to have check if the gpio been already used as led for event 2.
We will take care in next revision.

>         Andrew

Thanks,
Divya