diff options
| author | Phil Edworthy <phil.edworthy@renesas.com> | 2022-05-12 12:47:21 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-05-16 10:14:27 +0100 |
| commit | 72069a7b2821443f57e5734f91e19936c48e4809 (patch) | |
| tree | 7f5a87b2c4943ef3d44ad5509e1b071e613686f8 /drivers/net/ethernet/renesas/ravb.h | |
| parent | b0265dcba3d6c1689e6ce315bed09192fb587403 (diff) | |
ravb: Use separate clock for gPTP
RZ/V2M has a separate gPTP reference clock that is used when the
AVB-DMAC Mode Register (CCC) gPTP Clock Select (CSEL) bits are
set to "01: High-speed peripheral bus clock".
Therefore, add a feature that allows this clock to be used for
gPTP.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/renesas/ravb.h')
| -rw-r--r-- | drivers/net/ethernet/renesas/ravb.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h index e505e8088445..b980bce763d3 100644 --- a/drivers/net/ethernet/renesas/ravb.h +++ b/drivers/net/ethernet/renesas/ravb.h @@ -1031,6 +1031,7 @@ struct ravb_hw_info { unsigned err_mgmt_irqs:1; /* Line1 (Err) and Line2 (Mgmt) irqs are separate */ unsigned gptp:1; /* AVB-DMAC has gPTP support */ unsigned ccc_gac:1; /* AVB-DMAC has gPTP support active in config mode */ + unsigned gptp_ref_clk:1; /* gPTP has separate reference clock */ unsigned nc_queues:1; /* AVB-DMAC has RX and TX NC queues */ unsigned magic_pkt:1; /* E-MAC supports magic packet detection */ unsigned half_duplex:1; /* E-MAC supports half duplex mode */ @@ -1042,6 +1043,7 @@ struct ravb_private { void __iomem *addr; struct clk *clk; struct clk *refclk; + struct clk *gptp_clk; struct mdiobb_ctrl mdiobb; u32 num_rx_ring[NUM_RX_QUEUE]; u32 num_tx_ring[NUM_TX_QUEUE]; |