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net: phy: dp83869: Update port-mirroring to read straps

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The device tree may not have the property set for port mirroring
because the hardware may have it strapped. If the property is not in the
DT then check the straps and set the port mirroring bit appropriately.

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Murphy 2020-05-21 12:47:37 -05:00 committed by David S. Miller
parent 593532668f
commit c4566aec6e
1 changed files with 12 additions and 3 deletions
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15
drivers/net/phy/dp83869.c
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@ -66,6 +66,7 @@
/* STRAP_STS1 bits */
#define DP83869_STRAP_STS1_RESERVED BIT(11)
#define DP83869_STRAP_MIRROR_ENABLED BIT(12)
/* PHYCTRL bits */
#define DP83869_RX_FIFO_SHIFT 12
@ -191,10 +192,18 @@ static int dp83869_of_init(struct phy_device *phydev)
else if (of_property_read_bool(of_node, "ti,min-output-impedance"))
dp83869->io_impedance = DP83869_IO_MUX_CFG_IO_IMPEDANCE_MIN;
if (of_property_read_bool(of_node, "enet-phy-lane-swap"))
if (of_property_read_bool(of_node, "enet-phy-lane-swap")) {
dp83869->port_mirroring = DP83869_PORT_MIRRORING_EN;
else
dp83869->port_mirroring = DP83869_PORT_MIRRORING_DIS;
} else {
/* If the lane swap is not in the DT then check the straps */
ret = phy_read_mmd(phydev, DP83869_DEVADDR, DP83869_STRAP_STS1);
if (ret < 0)
return ret;
if (ret & DP83869_STRAP_MIRROR_ENABLED)
dp83869->port_mirroring = DP83869_PORT_MIRRORING_EN;
else
dp83869->port_mirroring = DP83869_PORT_MIRRORING_DIS;
}
if (of_property_read_u32(of_node, "rx-fifo-depth",
&dp83869->rx_fifo_depth))