netdev - [RFC,net-next,v1, 0/1] Enable SERDES power up/down

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Message-Id: <20200322132342.2687-1-weifeng.voon@intel.com>
Date:   Sun, 22 Mar 2020 21:23:41 +0800
From:   Voon Weifeng <weifeng.voon@...el.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jose Abreu <joabreu@...opsys.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Andrew Lunn <andrew@...n.ch>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Ong Boon Leong <boon.leong.ong@...el.com>,
        Voon Weifeng <weifeng.voon@...el.com>
Subject: [RFC,net-next,v1, 0/1] Enable SERDES power up/down

This patch is to enable Intel SERDES power up/down sequence. The SERDES
converts 8/10 bits data to SGMII signal.

1. Two new files intel_serdes.c and intel.h have been created to include
the power up/down logic.

2. Platform data has_serdes is created to identify HW system that requires
SERDES for SGMII mode. Expecting all Intel HW system will require it.
The identification logic is added in hwif.

3. A new stmmac_serdes_ops struct is introduced as helpers to program
SERDES.

Voon Weifeng (1):
  net: stmmac: Enable SERDES power up/down sequence

 drivers/net/ethernet/stmicro/stmmac/Makefile  |   2 +-
 drivers/net/ethernet/stmicro/stmmac/common.h  |   1 +
 .../net/ethernet/stmicro/stmmac/dwmac4_core.c |   1 +
 drivers/net/ethernet/stmicro/stmmac/hwif.c    |  44 ++++-
 drivers/net/ethernet/stmicro/stmmac/hwif.h    |  12 ++
 .../ethernet/stmicro/stmmac/intel_serdes.c    | 181 ++++++++++++++++++
 .../ethernet/stmicro/stmmac/intel_serdes.h    |  23 +++
 .../net/ethernet/stmicro/stmmac/stmmac_main.c |   8 +
 .../net/ethernet/stmicro/stmmac/stmmac_pci.c  |   6 +
 include/linux/stmmac.h                        |   2 +
 10 files changed, 278 insertions(+), 2 deletions(-)
 create mode 100644 drivers/net/ethernet/stmicro/stmmac/intel_serdes.c
 create mode 100644 drivers/net/ethernet/stmicro/stmmac/intel_serdes.h

-- 
2.17.1