Re: [PATCH v2] net/phy/vitesse: Configure RGMII skew on VSC8601, if needed

From	David Miller <davem@davemloft.net>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2] net/phy/vitesse: Configure RGMII skew on VSC8601, if needed
Date	2016-11-17 00:00 +0100
Message-ID	<sEhlo-Bi-25@gated-at.bofh.it> (permalink)
References	<sDYVr-5pO-11@gated-at.bofh.it> <sE8UN-3xZ-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

From: Alexandru Gagniuc <alex.g@adaptrum.com>
Date: Wed, 16 Nov 2016 01:02:33 -0800

> With RGMII, we need a 1.5 to 2ns skew between clock and data lines. The
> VSC8601 can handle this internally. While the VSC8601 can set more
> fine-grained delays, the standard skew settings work out of the box.
> The same heuristic is used to determine when this skew should be enabled
> as in vsc824x_config_init().
> 
> Tested on custom board with AM3352 SOC and VSC801 PHY.
> 
> Signed-off-by: Alexandru Gagniuc <alex.g@adaptrum.com>
> ---
> Changes since v1:
>  * Added comment detailing applicability to different RGMII interfaces.

Applied.

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

[PATCH] net/phy/vitesse: Configure RGMII skew on VSC8601, if needed Alexandru Gagniuc <alex.g@adaptrum.com> - 2016-11-13 00:50 +0100
  Re: [PATCH] net/phy/vitesse: Configure RGMII skew on VSC8601, if  needed David Miller <davem@davemloft.net> - 2016-11-14 22:20 +0100
    Re: [PATCH] net/phy/vitesse: Configure RGMII skew on VSC8601, if  needed Florian Fainelli <f.fainelli@gmail.com> - 2016-11-14 22:30 +0100
      Re: [PATCH] net/phy/vitesse: Configure RGMII skew on VSC8601, if  needed David Miller <davem@davemloft.net> - 2016-11-16 04:20 +0100
        Re: [PATCH v2] net/phy/vitesse: Configure RGMII skew on VSC8601, if  needed Andrew Lunn <andrew@lunn.ch> - 2016-11-16 15:00 +0100
          Re: [PATCH v2] net/phy/vitesse: Configure RGMII skew on VSC8601, if  needed Andrew Lunn <andrew@lunn.ch> - 2016-11-16 18:00 +0100
        Re: [PATCH v2] net/phy/vitesse: Configure RGMII skew on VSC8601,  if needed David Miller <davem@davemloft.net> - 2016-11-17 00:00 +0100

csiph-web