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path: root/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c12
1 files changed, 12 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..fffd6d5fc907 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -81,6 +81,12 @@ static const struct emac_variant emac_variant_h3 = {
.support_rgmii = true
};
+static const struct emac_variant emac_variant_v3s = {
+ .default_syscon_value = 0x38000,
+ .internal_phy = PHY_INTERFACE_MODE_MII,
+ .support_mii = true
+};
+
static const struct emac_variant emac_variant_a83t = {
.default_syscon_value = 0,
.internal_phy = 0,
@@ -185,6 +191,7 @@ 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 +663,9 @@ 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) {
@@ -971,6 +981,8 @@ static int sun8i_dwmac_probe(struct platform_device *pdev)
static const struct of_device_id sun8i_dwmac_match[] = {
{ .compatible = "allwinner,sun8i-h3-emac",
.data = &emac_variant_h3 },
+ { .compatible = "allwinner,sun8i-v3s-emac",
+ .data = &emac_variant_v3s },
{ .compatible = "allwinner,sun8i-a83t-emac",
.data = &emac_variant_a83t },
{ .compatible = "allwinner,sun50i-a64-emac",