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// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
* NXP NETC switch driver
* Copyright 2025-2026 NXP
*/
#include "netc_switch.h"
struct netc_switch_platform {
u16 revision;
const struct netc_switch_info *info;
};
static void imx94_switch_phylink_get_caps(int port,
struct phylink_config *config)
{
config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE | MAC_1000FD;
switch (port) {
case 0 ... 1:
__set_bit(PHY_INTERFACE_MODE_SGMII,
config->supported_interfaces);
__set_bit(PHY_INTERFACE_MODE_2500BASEX,
config->supported_interfaces);
config->mac_capabilities |= MAC_2500FD;
fallthrough;
case 2:
config->mac_capabilities |= MAC_10 | MAC_100;
__set_bit(PHY_INTERFACE_MODE_MII,
config->supported_interfaces);
__set_bit(PHY_INTERFACE_MODE_RMII,
config->supported_interfaces);
/* Port 0 and 1 do not support REVMII */
if (port == 2)
__set_bit(PHY_INTERFACE_MODE_REVMII,
config->supported_interfaces);
phy_interface_set_rgmii(config->supported_interfaces);
break;
case 3: /* CPU port */
__set_bit(PHY_INTERFACE_MODE_INTERNAL,
config->supported_interfaces);
config->mac_capabilities |= MAC_10FD | MAC_100FD |
MAC_2500FD;
break;
default:
break;
}
}
static const struct netc_switch_info imx94_info = {
.num_ports = 4,
.phylink_get_caps = imx94_switch_phylink_get_caps,
};
static const struct netc_switch_platform netc_platforms[] = {
{ .revision = NETC_SWITCH_REV_4_3, .info = &imx94_info, },
{ }
};
static const struct netc_switch_info *
netc_switch_get_info(struct netc_switch *priv)
{
int i;
/* Matching based on IP revision */
for (i = 0; i < ARRAY_SIZE(netc_platforms); i++) {
if (priv->revision == netc_platforms[i].revision)
return netc_platforms[i].info;
}
return NULL;
}
int netc_switch_platform_probe(struct netc_switch *priv)
{
const struct netc_switch_info *info = netc_switch_get_info(priv);
if (!info) {
dev_err(priv->dev, "Cannot find switch platform info\n");
return -EINVAL;
}
priv->info = info;
return 0;
}
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