linux-kernel - Re: [PATCHv2 1/3] phy: Add exynos-simple-phy driver

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Message-id: <53451A60.4050803@samsung.com>
Date:	Wed, 09 Apr 2014 12:01:04 +0200
From:	Sylwester Nawrocki <s.nawrocki@...sung.com>
To:	Rahul Sharma <r.sh.open@...il.com>,
	Andrzej Hajda <a.hajda@...sung.com>
Cc:	Tomasz Stanislawski <t.stanislaws@...sung.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Kishon Vijay Abraham I <kishon@...com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Rob Herring <robh+dt@...nel.org>,
	Grant Likely <grant.likely@...aro.org>,
	Rahul Sharma <rahul.sharma@...sung.com>,
	sunil joshi <joshi@...sung.com>
Subject: Re: [PATCHv2 1/3] phy: Add exynos-simple-phy driver

Hi,

On 09/04/14 11:12, Rahul Sharma wrote:
> Idea looks good. How about keeping compatible which is independent
> of SoC, something like "samsung,exynos-simple-phy" and provide Reg
> and Bit through phy provider node. This way we can avoid SoC specific
> hardcoding in phy driver and don't need to look into dt bindings for
> each new SoC.

I believe it is a not recommended approach.

> We can use syscon interface to access PMU bits like USB phy.
> PMU is already registered as system controller

Yes, that sounds good. This way we could avoid overlapping memory
mapped register regions specified in 'reg' properties in the device
tree.

-- 
Thanks,
Sylwester
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