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net-next: stmmac: dwmac-sun8i: add support for V3s EMAC 

Allwinner V3s SoC has an Ethernet MAC and an internal PHY like the ones
in H3 SoC, however the MAC has no external *MII interfaces available at
GPIOs, thus only MII connection to internal PHY is supported.

Add this variant of EMAC to dwmac-sun8i driver.

The default value of the syscon EMAC-related register seems to have
changed from H3, but it seems to be a harmless change.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Icenowy Zheng 2017-06-17 22:07:37 +08:00 committed by David S. Miller
parent 1450ba8a61
commit 57fde47db8
2 changed files with 9 additions and 0 deletions
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8
drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
View File

@ -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,
@ -975,6 +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",

1
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
View File

@ -313,6 +313,7 @@ static int stmmac_dt_phy(struct plat_stmmacenet_data *plat,
{ .compatible = "snps,dwc-qos-ethernet-4.10" },
{ .compatible = "allwinner,sun8i-a83t-emac" },
{ .compatible = "allwinner,sun8i-h3-emac" },
{ .compatible = "allwinner,sun8i-v3s-emac" },
{ .compatible = "allwinner,sun50i-a64-emac" },
};