netdev - Re: [PATCH] [v7] net: emac: emac gigabit ethernet controller driver

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Date:	Thu, 4 Aug 2016 13:18:55 -0500
From:	Timur Tabi <timur@...eaurora.org>
To:	Rob Herring <robh@...nel.org>
Cc:	netdev@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, sdharia@...eaurora.org,
	shankerd@...eaurora.org, vikrams@...eaurora.org,
	cov@...eaurora.org, gavidov@...eaurora.org, andrew@...n.ch,
	bjorn.andersson@...aro.org, mlangsdo@...hat.com, jcm@...hat.com,
	agross@...eaurora.org, davem@...emloft.net, f.fainelli@...il.com,
	LinoSanfilippo@....de
Subject: Re: [PATCH] [v7] net: emac: emac gigabit ethernet controller driver

Rob Herring wrote:
>> >+- phy-version : the version of the integrated emac phy, either 1 or 2.
> Sounds like 2 different h/w. The compatible property should distinguish
> this.

Well, the MAC parts of the EMAC is the same.  I could do 
qcom,fsm9900-emac for v1 and qcom,qdf2432-emac for v2.  I can't really 
think of a reason why that wouldn't work.

For ACPI, we can assume that QCOM8070 is a v2 PHY.  If Qualcomm creates 
another server chip with a v1 PHY, it would need a new ACPI HID.

-- 
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm
Technologies, Inc.  Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.