From: Icenowy Zheng icenowy@aosc.io
The EMAC on Allwinner H6 is just like the one on A64. The "internal PHY" on H6 is on a co-packaged AC200 chip, and it's not really internal (it's connected via RMII at PA GPIO bank).
Add support for the Allwinner H6 EMAC in the dwmac-sun8i driver.
Signed-off-by: Icenowy Zheng icenowy@aosc.io Signed-off-by: Ondrej Jirman megous@megous.com --- .../net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c index 195669f550f0..20c19afb8316 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c @@ -147,6 +147,20 @@ static const struct emac_variant emac_variant_a64 = { .tx_delay_max = 7, };
+static const struct emac_variant emac_variant_h6 = { + .default_syscon_value = 0x50000, + .syscon_field = &sun8i_syscon_reg_field, + /* The "Internal PHY" of H6 is not on the die. It's on the + * co-packaged AC200 chip instead. + */ + .soc_has_internal_phy = false, + .support_mii = true, + .support_rmii = true, + .support_rgmii = true, + .rx_delay_max = 31, + .tx_delay_max = 7, +}; + #define EMAC_BASIC_CTL0 0x00 #define EMAC_BASIC_CTL1 0x04 #define EMAC_INT_STA 0x08 @@ -1210,6 +1224,8 @@ static const struct of_device_id sun8i_dwmac_match[] = { .data = &emac_variant_r40 }, { .compatible = "allwinner,sun50i-a64-emac", .data = &emac_variant_a64 }, + { .compatible = "allwinner,sun50i-h6-emac", + .data = &emac_variant_h6 }, { } }; MODULE_DEVICE_TABLE(of, sun8i_dwmac_match);