[lkml]   [2020]   [Mar]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: user space interface for configuring T1 PHY management mode (master/slave)
On 3/25/20 9:34 AM, Oleksij Rempel wrote:
> Hi all,


> I'm working on mainlining of NXP1102 PHY (BroadR Reach/802.3bw) support.
> Basic functionality is working and support with mainline kernel. Now it is time
> to extend it. According to the specification, each PHY can be master or slave.
> The HW can be pre configured via bootstrap pins or fuses to have a default
> configuration. But in some cases we still need to be able to configure the PHY
> in a different mode:
> --------------------------------------------------------------------------------
> 6.1 MASTER-SLAVE configuration resolution
> All BroadR-Reach PHYs will default to configure as SLAVE upon power up or reset
> until a management system (for example, processor/microcontroller) configures
> it to be MASTER. MASTER-SLAVE assignment for each link configuration is
> necessary for establishing the timing control of each PHY.

Thanks for reminding me of this. I sent out
maybe it helps.

 \ /
  Last update: 2020-03-25 11:22    [W:0.054 / U:5.320 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site