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Date: Tue, 21 May 2019 01:50:04 +0200 From: megous@...ous.com To: linux-sunxi@...glegroups.com, Maxime Ripard <maxime.ripard@...tlin.com>, Chen-Yu Tsai <wens@...e.org>, Rob Herring <robh+dt@...nel.org> Cc: Icenowy Zheng <icenowy@...c.io>, David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>, Mark Rutland <mark.rutland@....com>, Giuseppe Cavallaro <peppe.cavallaro@...com>, Alexandre Torgue <alexandre.torgue@...com>, Jose Abreu <joabreu@...opsys.com>, "David S. Miller" <davem@...emloft.net>, Maxime Coquelin <mcoquelin.stm32@...il.com>, dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com, Ondrej Jirman <megous@...ous.com> Subject: [PATCH v5 1/6] net: stmmac: sun8i: add support for Allwinner H6 EMAC From: Icenowy Zheng <icenowy@...c.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@...c.io> Signed-off-by: Ondrej Jirman <megous@...ous.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 ba124a4da793..3258dec84d55 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 @@ -1212,6 +1226,8 @@ 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); -- 2.21.0
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