netdev - [PATCH net-next v2 0/2] drivers: xgene: Add support RGMII TX/RX delay configuration

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Date:	Mon, 26 Oct 2015 15:25:14 -0700
From:	Iyappan Subramanian <isubramanian@....com>
To:	davem@...emloft.net, netdev@...r.kernel.org
Cc:	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	patches@....com, f.fainelli@...il.com,
	Iyappan Subramanian <isubramanian@....com>
Subject: [PATCH net-next v2 0/2] drivers: xgene: Add support RGMII TX/RX delay configuration

X-Gene RGMII ethernet controller has a RGMII bridge that performs the
task of converting the RGMII signal {RX_CLK,RX_CTL, RX_DATA[3:0]} from
PHY to GMII signal {RX_DV,RX_ER,RX_DATA[7:0]} and vice versa.  This
RGMII bridge has a provision to internally delay the input RX_CLK and
the output TX_CLK using configuration registers. This will help in
maintain the CLK-CTL delay relationship in various operating
conditions.

This patch adds support RGMII TX/RX delay configuration.

Signed-off-by: Iyappan Subramanian <isubramanian@....com>
---

Iyappan Subramanian (2):
  drivers: net: xgene: Add support RGMII TX/RX delay configuration
  Documentation: dts: xgene: Add TX/RX delay field

 .../devicetree/bindings/net/apm-xgene-enet.txt     | 10 +++++
 drivers/net/ethernet/apm/xgene/xgene_enet_hw.c     |  8 +++-
 drivers/net/ethernet/apm/xgene/xgene_enet_hw.h     |  1 +
 drivers/net/ethernet/apm/xgene/xgene_enet_main.c   | 49 ++++++++++++++++++++++
 drivers/net/ethernet/apm/xgene/xgene_enet_main.h   |  2 +
 5 files changed, 69 insertions(+), 1 deletion(-)

-- 
1.9.1

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