diff options
| author | Claudiu Beznea <claudiu.beznea@microchip.com> | 2020-12-09 15:03:33 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-12-09 16:19:20 -0800 |
| commit | daafa1d33cc9286d4b17ad87a18df55687fd0ab6 (patch) | |
| tree | 97af9c3d83b9ddda835d7a50442e9b7fbee43d70 /drivers/net/ethernet/cadence/macb.h | |
| parent | edac63861db72a462ccdfad0b5dfa66985d58bd5 (diff) | |
net: macb: add capability to not set the clock rate
SAMA7G5's ethernet IPs TX clock could be provided by its generic clock or
by the external clock provided by the PHY. The internal IP logic divides
properly this clock depending on the link speed. The patch adds a new
capability so that macb_set_tx_clock() to not be called for IPs having
this capability (the clock rate, in case of generic clock, is set at the
boot time via device tree and the driver only enables it).
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cadence/macb.h')
| -rw-r--r-- | drivers/net/ethernet/cadence/macb.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index 7daabffe4318..769694c7f86c 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -699,6 +699,7 @@ #define MACB_CAPS_GEM_HAS_PTP 0x00000040 #define MACB_CAPS_BD_RD_PREFETCH 0x00000080 #define MACB_CAPS_NEEDS_RSTONUBR 0x00000100 +#define MACB_CAPS_CLK_HW_CHG 0x04000000 #define MACB_CAPS_MACB_IS_EMAC 0x08000000 #define MACB_CAPS_FIFO_MODE 0x10000000 #define MACB_CAPS_GIGABIT_MODE_AVAILABLE 0x20000000 |