netdev - Re: [PATCH 1/1] net/fec: add KSZ9021RN phy fixup

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Date:	Mon, 12 Dec 2011 10:56:48 -0200
From:	Fabio Estevam <festevam@...il.com>
To:	Richard Zhao <richard.zhao@...aro.org>
Cc:	netdev@...r.kernel.org, patches@...aro.org, jgq516@...il.com,
	eric.miao@...aro.org, shawn.guo@...aro.org, davem@...emloft.net,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/1] net/fec: add KSZ9021RN phy fixup

On Mon, Dec 12, 2011 at 8:09 AM, Richard Zhao <richard.zhao@...aro.org> wrote:
> For imx6q sabrelite board, set phy RGMII pad skew.
>
> Signed-off-by: Richard Zhao <richard.zhao@...aro.org>
> ---
>  drivers/net/ethernet/freescale/fec.c |   19 +++++++++++++++++++
>  1 files changed, 19 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c
> index 112af9b..d3b4463 100644
> --- a/drivers/net/ethernet/freescale/fec.c
> +++ b/drivers/net/ethernet/freescale/fec.c
> @@ -1513,6 +1513,21 @@ static inline void fec_reset_phy(struct platform_device *pdev)
>  }
>  #endif /* CONFIG_OF */
>
> +/* For imx6q sabrelite board: set KSZ9021RN RGMII pad skew */
> +static int ksz9021rn_phy_fixup(struct phy_device *phydev)
> +{
> +       /* min rx data delay */
> +       phy_write(phydev, 0x0b, 0x8105);
> +       phy_write(phydev, 0x0c, 0x0000);
> +
> +       /* max rx/tx clock delay, min rx/tx control delay */
> +       phy_write(phydev, 0x0b, 0x8104);
> +       phy_write(phydev, 0x0c, 0xf0f0);
> +       phy_write(phydev, 0x0b, 0x104);
> +
> +       return 0;

This should go to drivers/net/phy/micrel.c.

Regards,

Fabio Estevam
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