diff options
author | jpinto <Joao.Pinto@synopsys.com> | 2017-01-09 12:35:08 +0000 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2017-01-09 14:54:29 -0500 |
commit | b4b7b772e8b018286482d8d1fba7804ceac56a64 (patch) | |
tree | 4388fe9d8bd9cb3b868436c01c66e30b6986d318 /drivers/net/ethernet/stmicro/stmmac/dwmac4.h | |
parent | 3a7f75e532420edb375b8d0a1526c3c1b777c1f6 (diff) | |
download | lwn-b4b7b772e8b018286482d8d1fba7804ceac56a64.tar.gz lwn-b4b7b772e8b018286482d8d1fba7804ceac56a64.zip |
stmmac: adding DT parameter for LPI tx clock gating
This patch adds a new parameter to the stmmac DT: snps,en-tx-lpi-clockgating.
It was ported from synopsys/dwc_eth_qos.c and it is useful if lpi tx clock
gating is needed by stmmac users also.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Tested-by: Niklas Cassel <niklas.cassel@axis.com>
Reviewed-by: Lars Persson <larper@axis.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac4.h')
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac4.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h index 73d1dabcdba3..db45134fddf0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h @@ -98,6 +98,7 @@ enum power_event { #define GMAC4_LPI_TIMER_CTRL 0xd4 /* LPI control and status defines */ +#define GMAC4_LPI_CTRL_STATUS_LPITCSE BIT(21) /* LPI Tx Clock Stop Enable */ #define GMAC4_LPI_CTRL_STATUS_LPITXA BIT(19) /* Enable LPI TX Automate */ #define GMAC4_LPI_CTRL_STATUS_PLS BIT(17) /* PHY Link Status */ #define GMAC4_LPI_CTRL_STATUS_LPIEN BIT(16) /* LPI Enable */ |