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net: dsa: microchip: add the phylink get_caps

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This patch add the support for phylink_get_caps for ksz8795 and ksz9477
series switch. It updates the struct ksz_switch_chip with the details of
the internal phys and xmii interface. Then during the get_caps based on
the bits set in the structure, corresponding phy mode is set.

Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arun Ramadoss 2022-05-17 15:13:32 +05:30 committed by David S. Miller
parent b094c67966
commit 65ac79e181
4 changed files with 117 additions and 9 deletions
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10
drivers/net/dsa/microchip/ksz8795.c
View File

@ -1376,15 +1376,7 @@ static void ksz8_get_caps(struct dsa_switch *ds, int port,
{
struct ksz_device *dev = ds->priv;
if (port == dev->cpu_port) {
__set_bit(PHY_INTERFACE_MODE_RMII,
config->supported_interfaces);
__set_bit(PHY_INTERFACE_MODE_MII,
config->supported_interfaces);
} else {
__set_bit(PHY_INTERFACE_MODE_INTERNAL,
config->supported_interfaces);
}
ksz_phylink_get_caps(ds, port, config);
config->mac_capabilities = MAC_10 | MAC_100;

10
drivers/net/dsa/microchip/ksz9477.c
View File

@ -1097,6 +1097,15 @@ static void ksz9477_phy_errata_setup(struct ksz_device *dev, int port)
ksz9477_port_mmd_write(dev, port, 0x1c, 0x20, 0xeeee);
}
static void ksz9477_get_caps(struct dsa_switch *ds, int port,
struct phylink_config *config)
{
ksz_phylink_get_caps(ds, port, config);
config->mac_capabilities = MAC_10 | MAC_100 | MAC_1000FD |
MAC_ASYM_PAUSE | MAC_SYM_PAUSE;
}
static void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port)
{
struct ksz_port *p = &dev->ports[port];
@ -1322,6 +1331,7 @@ static const struct dsa_switch_ops ksz9477_switch_ops = {
.phy_read = ksz9477_phy_read16,
.phy_write = ksz9477_phy_write16,
.phylink_mac_link_down = ksz_mac_link_down,
.phylink_get_caps = ksz9477_get_caps,
.port_enable = ksz_enable_port,
.get_strings = ksz_get_strings,
.get_ethtool_stats = ksz_get_ethtool_stats,

98
drivers/net/dsa/microchip/ksz_common.c
View File

@ -151,6 +151,10 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.supports_mii = {false, false, false, false, true},
.supports_rmii = {false, false, false, false, true},
.supports_rgmii = {false, false, false, false, true},
.internal_phy = {true, true, true, true, false},
},
[KSZ8794] = {
@ -179,6 +183,10 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.supports_mii = {false, false, false, false, true},
.supports_rmii = {false, false, false, false, true},
.supports_rgmii = {false, false, false, false, true},
.internal_phy = {true, true, true, false, false},
},
[KSZ8765] = {
@ -193,6 +201,10 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.supports_mii = {false, false, false, false, true},
.supports_rmii = {false, false, false, false, true},
.supports_rgmii = {false, false, false, false, true},
.internal_phy = {true, true, true, true, false},
},
[KSZ8830] = {
@ -206,6 +218,9 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_names = ksz88xx_mib_names,
.mib_cnt = ARRAY_SIZE(ksz88xx_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.supports_mii = {false, false, true},
.supports_rmii = {false, false, true},
.internal_phy = {true, true, false},
},
[KSZ9477] = {
@ -220,6 +235,14 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.supports_mii = {false, false, false, false,
false, true, false},
.supports_rmii = {false, false, false, false,
false, true, false},
.supports_rgmii = {false, false, false, false,
false, true, false},
.internal_phy = {true, true, true, true,
true, false, false},
},
[KSZ9897] = {
@ -234,6 +257,14 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.supports_mii = {false, false, false, false,
false, true, true},
.supports_rmii = {false, false, false, false,
false, true, true},
.supports_rgmii = {false, false, false, false,
false, true, true},
.internal_phy = {true, true, true, true,
true, false, false},
},
[KSZ9893] = {
@ -247,6 +278,10 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.supports_mii = {false, false, true},
.supports_rmii = {false, false, true},
.supports_rgmii = {false, false, true},
.internal_phy = {true, true, false},
},
[KSZ9567] = {
@ -261,6 +296,14 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.supports_mii = {false, false, false, false,
false, true, true},
.supports_rmii = {false, false, false, false,
false, true, true},
.supports_rgmii = {false, false, false, false,
false, true, true},
.internal_phy = {true, true, true, true,
true, false, false},
},
[LAN9370] = {
@ -274,6 +317,10 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.supports_mii = {false, false, false, false, true},
.supports_rmii = {false, false, false, false, true},
.supports_rgmii = {false, false, false, false, true},
.internal_phy = {true, true, true, true, false},
},
[LAN9371] = {
@ -287,6 +334,10 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.supports_mii = {false, false, false, false, true, true},
.supports_rmii = {false, false, false, false, true, true},
.supports_rgmii = {false, false, false, false, true, true},
.internal_phy = {true, true, true, true, false, false},
},
[LAN9372] = {
@ -300,6 +351,14 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.supports_mii = {false, false, false, false,
true, true, false, false},
.supports_rmii = {false, false, false, false,
true, true, false, false},
.supports_rgmii = {false, false, false, false,
true, true, false, false},
.internal_phy = {true, true, true, true,
false, false, true, true},
},
[LAN9373] = {
@ -313,6 +372,14 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.supports_mii = {false, false, false, false,
true, true, false, false},
.supports_rmii = {false, false, false, false,
true, true, false, false},
.supports_rgmii = {false, false, false, false,
true, true, false, false},
.internal_phy = {true, true, true, false,
false, false, true, true},
},
[LAN9374] = {
@ -326,6 +393,14 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.supports_mii = {false, false, false, false,
true, true, false, false},
.supports_rmii = {false, false, false, false,
true, true, false, false},
.supports_rgmii = {false, false, false, false,
true, true, false, false},
.internal_phy = {true, true, true, true,
false, false, true, true},
},
};
EXPORT_SYMBOL_GPL(ksz_switch_chips);
@ -361,6 +436,29 @@ static int ksz_check_device_id(struct ksz_device *dev)
return 0;
}
void ksz_phylink_get_caps(struct dsa_switch *ds, int port,
struct phylink_config *config)
{
struct ksz_device *dev = ds->priv;
config->legacy_pre_march2020 = false;
if (dev->info->supports_mii[port])
__set_bit(PHY_INTERFACE_MODE_MII, config->supported_interfaces);
if (dev->info->supports_rmii[port])
__set_bit(PHY_INTERFACE_MODE_RMII,
config->supported_interfaces);
if (dev->info->supports_rgmii[port])
phy_interface_set_rgmii(config->supported_interfaces);
if (dev->info->internal_phy[port])
__set_bit(PHY_INTERFACE_MODE_INTERNAL,
config->supported_interfaces);
}
EXPORT_SYMBOL_GPL(ksz_phylink_get_caps);
void ksz_r_mib_stats64(struct ksz_device *dev, int port)
{
struct rtnl_link_stats64 *stats;

8
drivers/net/dsa/microchip/ksz_common.h
View File

@ -14,6 +14,8 @@
#include <linux/regmap.h>
#include <net/dsa.h>
#define KSZ_MAX_NUM_PORTS 8
struct vlan_table {
u32 table[3];
};
@ -44,6 +46,10 @@ struct ksz_chip_data {
const struct ksz_mib_names *mib_names;
int mib_cnt;
u8 reg_mib_cnt;
bool supports_mii[KSZ_MAX_NUM_PORTS];
bool supports_rmii[KSZ_MAX_NUM_PORTS];
bool supports_rgmii[KSZ_MAX_NUM_PORTS];
bool internal_phy[KSZ_MAX_NUM_PORTS];
};
struct ksz_port {
@ -198,6 +204,8 @@ void ksz_init_mib_timer(struct ksz_device *dev);
void ksz_r_mib_stats64(struct ksz_device *dev, int port);
void ksz_get_stats64(struct dsa_switch *ds, int port,
struct rtnl_link_stats64 *s);
void ksz_phylink_get_caps(struct dsa_switch *ds, int port,
struct phylink_config *config);
extern const struct ksz_chip_data ksz_switch_chips[];
/* Common DSA access functions */