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From: Michael Walle <michael@walle.cc>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	netdev@vger.kernel.org, Andrew Lunn <andrew@lunn.ch>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>
Subject: Re: [PATCH 0/3] net: phy: initialize PHYs via device tree properties
Date: Wed, 30 Oct 2019 14:19:41 +0100	[thread overview]
Message-ID: <652e6523817a4baa724faf64ea9a939f@walle.cc> (raw)
In-Reply-To: <c9447284-1c20-6dc7-8629-e62c61a7b4a8@gmail.com>

Am 2019-10-29 21:59, schrieb Florian Fainelli:
>>> If all you need is to enable a particular clock, introduce device
>>> specific properties that describe the hardware, and make the 
>>> necessary
>>> change to the local driver that needs to act on those. You can always
>>> define a more generic scope property if you see a recurring pattern.
>> 
>> Could you have a quick look at the following patch I made for u-boot, 
>> which adds a binding for the Atheros PHY. If that is the right 
>> direction. Yeah, I should have made it first to Linux to get some 
>> feedback on the binding :p
>> 
>> https://patchwork.ozlabs.org/patch/1184516/
>> 
>> I'd then prepare another patch for Linux based on your suggestions.
> 
> This looks like the right direction IMHO.

Ok, one question though: There is a clock output, but it just supports 
four frequencies. Should there be a property like 
"atheros,clk-out-frequency = <25000000>" which can take an arbitrary 
number or should it be something like "atheros,clk-out-frequency = 
<AT803X_CLK_OUT_25_MHZ>" (the ti dp83867 uses the latter).

-michael


      reply	other threads:[~2019-10-30 13:19 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-29 17:48 [PATCH 0/3] net: phy: initialize PHYs via device tree properties Michael Walle
2019-10-29 17:48 ` [PATCH 1/3] dt-bindings: net: phy: Add reg-init property Michael Walle
2019-10-29 17:48 ` [PATCH 2/3] net: phy: export __phy_{read|write}_page Michael Walle
2019-10-29 17:48 ` [PATCH 3/3] net: phy: Use device tree properties to initialize any PHYs Michael Walle
2019-10-29 17:59 ` [PATCH 0/3] net: phy: initialize PHYs via device tree properties Florian Fainelli
2019-10-29 18:25   ` Andrew Lunn
2019-10-29 20:54   ` Michael Walle
2019-10-29 20:59     ` Florian Fainelli
2019-10-30 13:19       ` Michael Walle [this message]

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