From: Kishon Vijay Abraham I <kishon@ti.com>
To: Tomasz Stanislawski <t.stanislaws@samsung.com>
Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
kyungmin.park@samsung.com, t.figa@samsung.com,
sw0312.kim@samsung.com, inki.dae@samsung.com,
rahul.sharma@samsung.com, kgene.kim@samsung.com,
s.nawrocki@samsung.com, thomas.abraham@linaro.org,
mturquette@linaro.org
Subject: Re: [RFC 04/12] phy: Add simple-phy driver
Date: Mon, 4 Nov 2013 12:38:49 +0530 [thread overview]
Message-ID: <52774801.6030207@ti.com> (raw)
In-Reply-To: <526A231E.2090504@samsung.com>
Hi,
On Friday 25 October 2013 01:21 PM, Tomasz Stanislawski wrote:
> Hi,
> Please refer to the comments below.
>
> On 10/24/2013 05:52 PM, Kishon Vijay Abraham I wrote:
>> Hi,
>>
>> On Monday 21 October 2013 07:48 PM, Tomasz Stanislawski wrote:
>>> Add simple-phy driver to support a single register
>>> PHY interfaces present on Exynos4 SoC.
>>
>> How are these PHY interfaces modelled in the SoC? Where does the register
>> actually reside?
>
> Initially, I was planning to add PHY for HDMI_PHY register in
> power management register set on s5pv310 soc.
If that register is part of the power management register space, I don't
think it justifies creating a PHY driver for it.
>
> However other PHYs use very similar interface (setting bit 0).
> This includes DAC_PHY, ADC_PHY, PCIe_PHY, SATA_PHY.
> Moreover it suits well to USBDEVICE_PHY, USBHOST_PHY.
How is it currently being done for these drivers? Is it being done in
the patches sent by Kamil or Vivek?
Thanks
Kishon
next prev parent reply other threads:[~2013-11-04 7:08 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-21 14:18 [RFC 00/12] Add DRM Exynos HDMI on SoCs from Exynos4 family Tomasz Stanislawski
2013-10-21 14:18 ` [RFC 01/12] clk: propagate parent change up one level Tomasz Stanislawski
2013-10-21 14:18 ` [RFC 02/12] clk: exynos4: export sclk_hdmiphy clock Tomasz Stanislawski
2013-10-21 14:18 ` [RFC 03/12] clk: exynos4: enable clk_set_parent() propagation for sclk_hdmi and sclk_mixer clocks Tomasz Stanislawski
2013-10-21 14:18 ` [RFC 04/12] phy: Add simple-phy driver Tomasz Stanislawski
2013-10-24 15:52 ` Kishon Vijay Abraham I
2013-10-25 7:51 ` Tomasz Stanislawski
2013-11-04 7:08 ` Kishon Vijay Abraham I [this message]
2013-10-21 14:18 ` [RFC 05/12] phy: use of_phy_simple_xlate for NULL xlate function Tomasz Stanislawski
2013-10-24 15:33 ` Kishon Vijay Abraham I
2013-10-21 14:18 ` [RFC 06/12] Revert "drm/exynos: add mout_hdmi clock in hdmi driver to change parent" Tomasz Stanislawski
2013-10-21 14:18 ` [RFC 07/12] drm: exynos: hdmi: use hdmiphy as PHY Tomasz Stanislawski
2013-10-21 14:18 ` [RFC 08/12] drm: exynos: hdmi: simplify extracting hpd-gpio from DT Tomasz Stanislawski
2013-10-21 14:18 ` [RFC 09/12] drm: exynos: add compatibles for HDMI and Mixer chips and exynos4210 SoC Tomasz Stanislawski
2013-10-21 14:18 ` [RFC 10/12] arm: dts: exynos4: add i2c controller for HDMIPHY Tomasz Stanislawski
2013-10-21 14:18 ` [RFC 11/12] arm: dts: exynos4: add HDMI devices Tomasz Stanislawski
2013-10-21 14:18 ` [RFC 12/12] arm: dts: universal_c210: " Tomasz Stanislawski
2013-10-28 13:42 ` [RFC 00/12] Add DRM Exynos HDMI on SoCs from Exynos4 family Inki Dae
2013-10-28 16:00 ` Kukjin Kim
2013-10-28 17:19 ` Inki Dae
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