From: kishon@ti•com (Kishon Vijay Abraham I)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v1 0/2] Common SerDes driver for TI's Keystone Platforms
Date: Fri, 16 Oct 2015 19:44:18 +0530 [thread overview]
Message-ID: <5621063A.2050905@ti.com> (raw)
In-Reply-To: <20151016080222.GH32532@n2100.arm.linux.org.uk>
Hi,
On Friday 16 October 2015 01:32 PM, Russell King - ARM Linux wrote:
> On Thu, Oct 15, 2015 at 08:00:41PM -0500, Rob Herring wrote:
>> On Thu, Oct 15, 2015 at 11:51 AM, Russell King - ARM Linux
>> <linux@arm•linux.org.uk> wrote:
>>> On Thu, Oct 15, 2015 at 10:25:43AM -0400, WingMan Kwok wrote:
>>>> On TI's Keystone platforms, several peripherals such as the
>>>> gbe ethernet switch, 10gbe ethether switch and PCIe controller
>>>> require the use of a SerDes for converting SoC parallel data into
>>>> serialized data that can be output over a high-speed electrical
>>>> interface, and also converting high-speed serial input data
>>>> into parallel data that can be processed by the SoC. The
>>>> SerDeses used by those peripherals, though they may be different,
>>>> are largely similar in functionality and setup.
>>>
>>> Given that serdes is not specific to TI, should this be specific to
>>> TI, or should there be an effort to come up with something which
>>> everyone who has serdes links can make use of?
>>>
>>> Serdes comes in multiple different forms: PCIe, 1G SGMII ethernet,
>>> 1000base-X ethernet, 10g ethernet, SATA... I'd hate to see a
>>> plethora of SoC specific stuff for this.
>>
>> The licensed IP I've seen doesn't provide a standard register
>> interface, but just signals to the IP block. Same with PLL IP. So
>> we'll probably get to see vendors continue to differentiate on PHY
>> register design. :)
>
> So what? Network drivers differ radically in register design, yet we
> still have a standardised interface to network drivers.
>
The PHY framework (in drivers/phy/) already provides a standard
interface to be used by the controller drivers no?
Thanks
Kishon
prev parent reply other threads:[~2015-10-16 14:14 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-15 14:25 [PATCH v1 0/2] Common SerDes driver for TI's Keystone Platforms WingMan Kwok
2015-10-15 14:25 ` [PATCH v1 1/2] phy: keystone: serdes driver for gbe 10gbe and pcie WingMan Kwok
2015-10-15 14:51 ` Arnd Bergmann
2015-10-15 16:01 ` Murali Karicheri
2015-10-15 19:34 ` Arnd Bergmann
2015-10-19 14:47 ` Kwok, WingMan
2015-10-19 18:50 ` Murali Karicheri
2015-10-20 8:24 ` Arnd Bergmann
2015-10-20 15:11 ` Murali Karicheri
2015-10-15 20:08 ` Kwok, WingMan
2015-10-15 20:53 ` Arnd Bergmann
2015-10-15 23:57 ` Kwok, WingMan
2015-10-15 16:14 ` Rob Herring
2015-10-15 23:53 ` Kwok, WingMan
2015-10-15 14:25 ` [PATCH v1 2/2] PCI: keystone: update to use generic keystone serdes driver WingMan Kwok
2015-10-15 16:51 ` [PATCH v1 0/2] Common SerDes driver for TI's Keystone Platforms Russell King - ARM Linux
2015-10-15 19:21 ` Kishon Vijay Abraham I
2015-10-16 0:02 ` Kwok, WingMan
2015-10-16 1:00 ` Rob Herring
2015-10-16 8:02 ` Russell King - ARM Linux
2015-10-16 14:10 ` Murali Karicheri
2015-10-16 14:14 ` Kishon Vijay Abraham I [this message]
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