diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c index 54f93ee53ef7..61ce3b54f0c6 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c @@ -185,6 +185,7 @@ static const struct emac_variant emac_variant_a64 = { /* H3 specific bits for EPHY */ #define H3_EPHY_ADDR_SHIFT 20 +#define H3_EPHY_CLK_SEL BIT(18) /* 1: 24MHz, 0: 25MHz */ #define H3_EPHY_LED_POL BIT(17) /* 1: active low, 0: active high */ #define H3_EPHY_SHUTDOWN BIT(16) /* 1: shutdown, 0: power up */ #define H3_EPHY_SELECT BIT(15) /* 1: internal PHY, 0: external PHY */ @@ -656,6 +657,9 @@ static int sun8i_dwmac_set_syscon(struct stmmac_priv *priv) else reg &= ~H3_EPHY_LED_POL; + /* Force EPHY xtal frequency to 24MHz. */ + reg |= H3_EPHY_CLK_SEL; + ret = of_mdio_parse_addr(priv->device, priv->plat->phy_node); if (ret < 0) { |