From 16615a4c6f4d54d7655dff19e7061c76043f907d Mon Sep 17 00:00:00 2001 From: Iyappan Subramanian Date: Mon, 26 Oct 2015 15:25:15 -0700 Subject: drivers: net: xgene: Add support RGMII TX/RX delay configuration Add RGMII TX/RX delay configuration support. RGMII standard requires 2ns delay to help the RGMII bridge receiver to sample data correctly. If the default value does not provide proper centering of the data sample, the TX/RX delay parameters can be used to adjust accordingly. Signed-off-by: Iyappan Subramanian Signed-off-by: David S. Miller --- drivers/net/ethernet/apm/xgene/xgene_enet_main.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/ethernet/apm/xgene/xgene_enet_main.h') diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h index ff89a5d98d01..a6e56b88c0a0 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h @@ -184,6 +184,8 @@ struct xgene_enet_pdata { u8 bp_bufnum; u16 ring_num; u32 mss; + u8 tx_delay; + u8 rx_delay; }; struct xgene_indirect_ctl { -- cgit v1.2.3