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net: dsa: Add KSZ8567 switch support 

This commit introduces support for the KSZ8567, a robust 7-port
Ethernet switch. The KSZ8567 features two RGMII/MII/RMII interfaces,
each capable of gigabit speeds, complemented by five 10/100 Mbps
MAC/PHYs.

Signed-off-by: Philippe Schenker <philippe.schenker@impulsing.ch>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240130083419.135763-2-dev@pschenker.ch
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Philippe Schenker 2024-01-30 09:34:19 +01:00 committed by Paolo Abeni
parent 5f8066d457
commit 3723b56d6f
5 changed files with 53 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/dsa/microchip/ksz9477_i2c.c
View File

@ -103,6 +103,10 @@ static const struct of_device_id ksz9477_dt_ids[] = {
.compatible = "microchip,ksz8563",
.data = &ksz_switch_chips[KSZ8563]
},
{
.compatible = "microchip,ksz8567",
.data = &ksz_switch_chips[KSZ8567]
},
{
.compatible = "microchip,ksz9567",
.data = &ksz_switch_chips[KSZ9567]

43
drivers/net/dsa/microchip/ksz_common.c
View File

@ -1476,6 +1476,39 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.gbit_capable = {true, true, true},
},
[KSZ8567] = {
.chip_id = KSZ8567_CHIP_ID,
.dev_name = "KSZ8567",
.num_vlans = 4096,
.num_alus = 4096,
.num_statics = 16,
.cpu_ports = 0x7F, /* can be configured as cpu port */
.port_cnt = 7, /* total port count */
.port_nirqs = 3,
.num_tx_queues = 4,
.tc_cbs_supported = true,
.tc_ets_supported = true,
.ops = &ksz9477_dev_ops,
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.regs = ksz9477_regs,
.masks = ksz9477_masks,
.shifts = ksz9477_shifts,
.xmii_ctrl0 = ksz9477_xmii_ctrl0,
.xmii_ctrl1 = ksz9477_xmii_ctrl1,
.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},
.gbit_capable = {false, false, false, false, false,
true, true},
},
[KSZ9567] = {
.chip_id = KSZ9567_CHIP_ID,
.dev_name = "KSZ9567",
@ -2649,6 +2682,7 @@ static void ksz_port_teardown(struct dsa_switch *ds, int port)
switch (dev->chip_id) {
case KSZ8563_CHIP_ID:
case KSZ8567_CHIP_ID:
case KSZ9477_CHIP_ID:
case KSZ9563_CHIP_ID:
case KSZ9567_CHIP_ID:
@ -2705,7 +2739,8 @@ static enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds,
dev->chip_id == KSZ9563_CHIP_ID)
proto = DSA_TAG_PROTO_KSZ9893;
if (dev->chip_id == KSZ9477_CHIP_ID ||
if (dev->chip_id == KSZ8567_CHIP_ID ||
dev->chip_id == KSZ9477_CHIP_ID ||
dev->chip_id == KSZ9896_CHIP_ID ||
dev->chip_id == KSZ9897_CHIP_ID ||
dev->chip_id == KSZ9567_CHIP_ID)
@ -2813,6 +2848,7 @@ static int ksz_max_mtu(struct dsa_switch *ds, int port)
case KSZ8830_CHIP_ID:
return KSZ8863_HUGE_PACKET_SIZE - VLAN_ETH_HLEN - ETH_FCS_LEN;
case KSZ8563_CHIP_ID:
case KSZ8567_CHIP_ID:
case KSZ9477_CHIP_ID:
case KSZ9563_CHIP_ID:
case KSZ9567_CHIP_ID:
@ -2839,6 +2875,7 @@ static int ksz_validate_eee(struct dsa_switch *ds, int port)
switch (dev->chip_id) {
case KSZ8563_CHIP_ID:
case KSZ8567_CHIP_ID:
case KSZ9477_CHIP_ID:
case KSZ9563_CHIP_ID:
case KSZ9567_CHIP_ID:
@ -3183,6 +3220,7 @@ static int ksz_switch_detect(struct ksz_device *dev)
case KSZ9896_CHIP_ID:
case KSZ9897_CHIP_ID:
case KSZ9567_CHIP_ID:
case KSZ8567_CHIP_ID:
case LAN9370_CHIP_ID:
case LAN9371_CHIP_ID:
case LAN9372_CHIP_ID:
@ -3220,6 +3258,7 @@ static int ksz_cls_flower_add(struct dsa_switch *ds, int port,
switch (dev->chip_id) {
case KSZ8563_CHIP_ID:
case KSZ8567_CHIP_ID:
case KSZ9477_CHIP_ID:
case KSZ9563_CHIP_ID:
case KSZ9567_CHIP_ID:
@ -3239,6 +3278,7 @@ static int ksz_cls_flower_del(struct dsa_switch *ds, int port,
switch (dev->chip_id) {
case KSZ8563_CHIP_ID:
case KSZ8567_CHIP_ID:
case KSZ9477_CHIP_ID:
case KSZ9563_CHIP_ID:
case KSZ9567_CHIP_ID:
@ -4142,6 +4182,7 @@ static int ksz_parse_drive_strength(struct ksz_device *dev)
case KSZ8794_CHIP_ID:
case KSZ8765_CHIP_ID:
case KSZ8563_CHIP_ID:
case KSZ8567_CHIP_ID:
case KSZ9477_CHIP_ID:
case KSZ9563_CHIP_ID:
case KSZ9567_CHIP_ID:

1
drivers/net/dsa/microchip/ksz_common.h
View File

@ -187,6 +187,7 @@ struct ksz_device {
/* List of supported models */
enum ksz_model {
KSZ8563,
KSZ8567,
KSZ8795,
KSZ8794,
KSZ8765,

5
drivers/net/dsa/microchip/ksz_spi.c
View File

@ -164,6 +164,10 @@ static const struct of_device_id ksz_dt_ids[] = {
.compatible = "microchip,ksz8563",
.data = &ksz_switch_chips[KSZ8563]
},
{
.compatible = "microchip,ksz8567",
.data = &ksz_switch_chips[KSZ8567]
},
{
.compatible = "microchip,ksz9567",
.data = &ksz_switch_chips[KSZ9567]
@ -204,6 +208,7 @@ static const struct spi_device_id ksz_spi_ids[] = {
{ "ksz9893" },
{ "ksz9563" },
{ "ksz8563" },
{ "ksz8567" },
{ "ksz9567" },
{ "lan9370" },
{ "lan9371" },

1
include/linux/platform_data/microchip-ksz.h
View File

@ -33,6 +33,7 @@ enum ksz_chip_id {
KSZ9897_CHIP_ID = 0x00989700,
KSZ9893_CHIP_ID = 0x00989300,
KSZ9563_CHIP_ID = 0x00956300,
KSZ8567_CHIP_ID = 0x00856700,
KSZ9567_CHIP_ID = 0x00956700,
LAN9370_CHIP_ID = 0x00937000,
LAN9371_CHIP_ID = 0x00937100,