linux-kernel - Re: [PATCH v3] net/macb: add support for resetting PHY using GPIO

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Message-ID: <878u4utdl8.fsf@free-electrons.com>
Date:	Wed, 16 Dec 2015 20:09:39 +0100
From:	Gregory CLEMENT <gregory.clement@...e-electrons.com>
To:	Richard Cochran <richardcochran@...il.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Russell King <linux@....linux.org.uk>
Subject: Re: [PATCH v3] net/macb: add support for resetting PHY using GPIO

Hi Richard,
 
 On mer., déc. 16 2015, Richard Cochran <richardcochran@...il.com> wrote:

> On Wed, Dec 16, 2015 at 07:31:30PM +0100, Gregory CLEMENT wrote:
>> +Optional properties for PHY child node:
>> +- reset-gpios : Should specify the gpio for phy reset
>
> reset-gpios plural or reset-gpio singular?

The bindings name is plural but it handle only one gpio.

See:
https://lkml.org/lkml/2015/12/9/623

>
>> +
>>  Examples:
>>  
>>  	macb0: ethernet@...c4000 {
>> @@ -29,4 +32,8 @@ Examples:
>>  		local-mac-address = [3a 0e 03 04 05 06];
>>  		clock-names = "pclk", "hclk", "tx_clk";
>>  		clocks = <&clkc 30>, <&clkc 30>, <&clkc 13>;
>> +		ethernet-phy@1 {
>> +			reg = <0x1>;
>> +			reset-gpios = <&pioE 6 1>;
>
> Did you mean "gpioE" ?

No, I really mean pioE: it is the name used for the at91 SoCs.

Thanks,

Gregory

-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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