From: s.nawrocki@samsung•com (Sylwester Nawrocki)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH V2 3/3] video: exynos_dp: Use the generic PHY driver
Date: Fri, 28 Jun 2013 14:04:55 +0200 [thread overview]
Message-ID: <51CD7BE7.90204@samsung.com> (raw)
In-Reply-To: <20130628102702.GK305@game.jcrosoft.org>
Hi,
On 06/28/2013 12:27 PM, Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 12:35 Fri 28 Jun , Felipe Balbi wrote:
>> > On Fri, Jun 28, 2013 at 04:18:23PM +0900, Jingoo Han wrote:
>>> > > Use the generic PHY API instead of the platform callback to control
>>> > > the DP PHY. The 'phy_label' field is added to the platform data
>>> > > structure to allow PHY lookup on non-dt platforms.
>>> > >
>>> > > Signed-off-by: Jingoo Han <jg1.han@samsung•com>
>>> > > ---
[...]
>>> > > diff --git a/Documentation/devicetree/bindings/video/exynos_dp.txt b/Documentation/devicetree/bindings/video/exynos_dp.txt
>>> > > index 84f10c1..a8320e3 100644
>>> > > --- a/Documentation/devicetree/bindings/video/exynos_dp.txt
>>> > > +++ b/Documentation/devicetree/bindings/video/exynos_dp.txt
>>> > > @@ -1,17 +1,6 @@
>>> > > The Exynos display port interface should be configured based on
>>> > > the type of panel connected to it.
>>> > >
>>> > > -We use two nodes:
>>> > > - -dp-controller node
>>> > > - -dptx-phy node(defined inside dp-controller node)
>>> > > -
>>> > > -For the DP-PHY initialization, we use the dptx-phy node.
>>> > > -Required properties for dptx-phy:
>>> > > - -reg:
>>> > > - Base address of DP PHY register.
>>> > > - -samsung,enable-mask:
>>> > > - The bit-mask used to enable/disable DP PHY.
>>> > > -
>>> > > For the Panel initialization, we read data from dp-controller node.
>>> > > Required properties for dp-controller:
>>> > > -compatible:
>>> > > @@ -67,12 +56,6 @@ SOC specific portion:
>>> > > interrupt-parent = <&combiner>;
>>> > > clocks = <&clock 342>;
>>> > > clock-names = "dp";
>>> > > -
>>> > > - dptx-phy {
>>> > > - reg = <0x10040720>;
>>> > > - samsung,enable-mask = <1>;
>>> > > - };
>
> I've an issue here you break dt compatibilty
Indeed. Ideally the PHYs should be detachable from the controllers.
I'd assume such a change could be acceptable, given that the driver
still supports the original binding.
--
Thanks,
Sylwester
prev parent reply other threads:[~2013-06-28 12:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-28 7:18 [PATCH V2 3/3] video: exynos_dp: Use the generic PHY driver Jingoo Han
2013-06-28 9:35 ` Felipe Balbi
2013-06-28 10:27 ` Jean-Christophe PLAGNIOL-VILLARD
2013-06-28 12:04 ` Sylwester Nawrocki [this message]
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