* [PATCH net-next 2/2] net: dsa: microchip: Add KSZ8463 switch support to KSZ DSA driver
2025-07-03 2:01 [PATCH net-next 0/2] net: dsa: microchip: Add KSZ8463 switch support Tristram.Ha
2025-07-03 2:01 ` [PATCH net-next 1/2] dt-bindings: " Tristram.Ha
@ 2025-07-03 2:01 ` Tristram.Ha
2025-07-05 8:23 ` Andrew Lunn
2025-07-07 17:18 ` kernel test robot
1 sibling, 2 replies; 5+ messages in thread
From: Tristram.Ha @ 2025-07-03 2:01 UTC (permalink / raw)
To: Woojung Huh, Andrew Lunn, Vladimir Oltean, Rob Herring,
Krzysztof Kozlowski, Conor Dooley
Cc: David S. Miller, Eric Dumazet, Jakub Kicinski, Paolo Abeni,
Marek Vasut, UNGLinuxDriver, devicetree, netdev, linux-kernel,
Tristram Ha
From: Tristram Ha <tristram.ha@microchip.com>
KSZ8463 switch is a 3-port switch based from KSZ8863. Its major
difference from other KSZ SPI switches is its register access is not a
simple continual 8-bit transfer with automatic address increase but uses
a byte-enable mechanism specifying 8-bit, 16-bit, or 32-bit access. Its
registers are also defined in 16-bit format because it shares a design
with a MAC controller using 16-bit access. As a result some common
register accesses need to be re-arranged. The 64-bit access used by
other switches needs to be broken into 2 32-bit accesses.
Signed-off-by: Tristram Ha <tristram.ha@microchip.com>
---
drivers/net/dsa/microchip/ksz8.c | 201 +++++++++++++++++---
drivers/net/dsa/microchip/ksz8.h | 4 +
drivers/net/dsa/microchip/ksz8_reg.h | 49 +++++
drivers/net/dsa/microchip/ksz_common.c | 168 +++++++++++++++-
drivers/net/dsa/microchip/ksz_common.h | 104 ++++++++--
drivers/net/dsa/microchip/ksz_dcb.c | 10 +-
drivers/net/dsa/microchip/ksz_spi.c | 14 ++
include/linux/platform_data/microchip-ksz.h | 1 +
8 files changed, 502 insertions(+), 49 deletions(-)
diff --git a/drivers/net/dsa/microchip/ksz8.c b/drivers/net/dsa/microchip/ksz8.c
index be433b4e2b1c..1207879ef80c 100644
--- a/drivers/net/dsa/microchip/ksz8.c
+++ b/drivers/net/dsa/microchip/ksz8.c
@@ -3,6 +3,7 @@
* Microchip KSZ8XXX series switch driver
*
* It supports the following switches:
+ * - KSZ8463
* - KSZ8863, KSZ8873 aka KSZ88X3
* - KSZ8895, KSZ8864 aka KSZ8895 family
* - KSZ8794, KSZ8795, KSZ8765 aka KSZ87XX
@@ -35,13 +36,15 @@
static void ksz_cfg(struct ksz_device *dev, u32 addr, u8 bits, bool set)
{
- regmap_update_bits(ksz_regmap_8(dev), addr, bits, set ? bits : 0);
+ regmap_update_bits(ksz_regmap_8(dev), reg8(dev, addr), bits,
+ set ? bits : 0);
}
static void ksz_port_cfg(struct ksz_device *dev, int port, int offset, u8 bits,
bool set)
{
- regmap_update_bits(ksz_regmap_8(dev), PORT_CTRL_ADDR(port, offset),
+ regmap_update_bits(ksz_regmap_8(dev),
+ reg8(dev, dev->dev_ops->get_port_addr(port, offset)),
bits, set ? bits : 0);
}
@@ -140,6 +143,11 @@ int ksz8_reset_switch(struct ksz_device *dev)
KSZ8863_GLOBAL_SOFTWARE_RESET | KSZ8863_PCS_RESET, true);
ksz_cfg(dev, KSZ8863_REG_SW_RESET,
KSZ8863_GLOBAL_SOFTWARE_RESET | KSZ8863_PCS_RESET, false);
+ } else if (ksz_is_ksz8463(dev)) {
+ ksz_cfg(dev, KSZ8463_REG_SW_RESET,
+ KSZ8463_GLOBAL_SOFTWARE_RESET, true);
+ ksz_cfg(dev, KSZ8463_REG_SW_RESET,
+ KSZ8463_GLOBAL_SOFTWARE_RESET, false);
} else {
/* reset switch */
ksz_write8(dev, REG_POWER_MANAGEMENT_1,
@@ -194,6 +202,7 @@ int ksz8_change_mtu(struct ksz_device *dev, int port, int mtu)
case KSZ8794_CHIP_ID:
case KSZ8765_CHIP_ID:
return ksz8795_change_mtu(dev, frame_size);
+ case KSZ8463_CHIP_ID:
case KSZ88X3_CHIP_ID:
case KSZ8864_CHIP_ID:
case KSZ8895_CHIP_ID:
@@ -227,6 +236,11 @@ static int ksz8_port_queue_split(struct ksz_device *dev, int port, int queues)
WEIGHTED_FAIR_QUEUE_ENABLE);
if (ret)
return ret;
+ } else if (ksz_is_ksz8463(dev)) {
+ mask_4q = KSZ8873_PORT_4QUEUE_SPLIT_EN;
+ mask_2q = KSZ8873_PORT_2QUEUE_SPLIT_EN;
+ reg_4q = P1CR1;
+ reg_2q = P1CR1 + 1;
} else {
mask_4q = KSZ8795_PORT_4QUEUE_SPLIT_EN;
mask_2q = KSZ8795_PORT_2QUEUE_SPLIT_EN;
@@ -1265,12 +1279,15 @@ int ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val)
void ksz8_cfg_port_member(struct ksz_device *dev, int port, u8 member)
{
+ int offset = P_MIRROR_CTRL;
u8 data;
- ksz_pread8(dev, port, P_MIRROR_CTRL, &data);
- data &= ~PORT_VLAN_MEMBERSHIP;
+ if (ksz_is_ksz8463(dev))
+ offset = P1CR2;
+ ksz_pread8(dev, port, offset, &data);
+ data &= ~dev->port_mask;
data |= (member & dev->port_mask);
- ksz_pwrite8(dev, port, P_MIRROR_CTRL, data);
+ ksz_pwrite8(dev, port, offset, data);
}
void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port)
@@ -1278,6 +1295,8 @@ void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port)
u8 learn[DSA_MAX_PORTS];
int first, index, cnt;
const u16 *regs;
+ int reg = S_FLUSH_TABLE_CTRL;
+ int mask = SW_FLUSH_DYN_MAC_TABLE;
regs = dev->info->regs;
@@ -1295,7 +1314,11 @@ void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port)
ksz_pwrite8(dev, index, regs[P_STP_CTRL],
learn[index] | PORT_LEARN_DISABLE);
}
- ksz_cfg(dev, S_FLUSH_TABLE_CTRL, SW_FLUSH_DYN_MAC_TABLE, true);
+ if (ksz_is_ksz8463(dev)) {
+ reg = KSZ8463_FLUSH_TABLE_CTRL;
+ mask = KSZ8463_FLUSH_DYN_MAC_TABLE;
+ }
+ ksz_cfg(dev, reg, mask, true);
for (index = first; index < cnt; index++) {
if (!(learn[index] & PORT_LEARN_DISABLE))
ksz_pwrite8(dev, index, regs[P_STP_CTRL], learn[index]);
@@ -1434,7 +1457,7 @@ int ksz8_fdb_del(struct ksz_device *dev, int port, const unsigned char *addr,
int ksz8_port_vlan_filtering(struct ksz_device *dev, int port, bool flag,
struct netlink_ext_ack *extack)
{
- if (ksz_is_ksz88x3(dev))
+ if (ksz_is_ksz88x3(dev) || ksz_is_ksz8463(dev))
return -ENOTSUPP;
/* Discard packets with VID not enabled on the switch */
@@ -1450,9 +1473,12 @@ int ksz8_port_vlan_filtering(struct ksz_device *dev, int port, bool flag,
static void ksz8_port_enable_pvid(struct ksz_device *dev, int port, bool state)
{
- if (ksz_is_ksz88x3(dev)) {
- ksz_cfg(dev, REG_SW_INSERT_SRC_PVID,
- 0x03 << (4 - 2 * port), state);
+ if (ksz_is_ksz88x3(dev) || ksz_is_ksz8463(dev)) {
+ int reg = REG_SW_INSERT_SRC_PVID;
+
+ if (ksz_is_ksz8463(dev))
+ reg = KSZ8463_REG_SW_CTRL_9;
+ ksz_cfg(dev, reg, 0x03 << (4 - 2 * port), state);
} else {
ksz_pwrite8(dev, port, REG_PORT_CTRL_12, state ? 0x0f : 0x00);
}
@@ -1467,7 +1493,7 @@ int ksz8_port_vlan_add(struct ksz_device *dev, int port,
u16 data, new_pvid = 0;
u8 fid, member, valid;
- if (ksz_is_ksz88x3(dev))
+ if (ksz_is_ksz88x3(dev) || ksz_is_ksz8463(dev))
return -ENOTSUPP;
/* If a VLAN is added with untagged flag different from the
@@ -1536,7 +1562,7 @@ int ksz8_port_vlan_del(struct ksz_device *dev, int port,
u16 data, pvid;
u8 fid, member, valid;
- if (ksz_is_ksz88x3(dev))
+ if (ksz_is_ksz88x3(dev) || ksz_is_ksz8463(dev))
return -ENOTSUPP;
ksz_pread16(dev, port, REG_PORT_CTRL_VID, &pvid);
@@ -1566,19 +1592,23 @@ int ksz8_port_mirror_add(struct ksz_device *dev, int port,
struct dsa_mall_mirror_tc_entry *mirror,
bool ingress, struct netlink_ext_ack *extack)
{
+ int offset = P_MIRROR_CTRL;
+
+ if (ksz_is_ksz8463(dev))
+ offset = P1CR2;
if (ingress) {
- ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_RX, true);
+ ksz_port_cfg(dev, port, offset, PORT_MIRROR_RX, true);
dev->mirror_rx |= BIT(port);
} else {
- ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_TX, true);
+ ksz_port_cfg(dev, port, offset, PORT_MIRROR_TX, true);
dev->mirror_tx |= BIT(port);
}
- ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_SNIFFER, false);
+ ksz_port_cfg(dev, port, offset, PORT_MIRROR_SNIFFER, false);
/* configure mirror port */
if (dev->mirror_rx || dev->mirror_tx)
- ksz_port_cfg(dev, mirror->to_local_port, P_MIRROR_CTRL,
+ ksz_port_cfg(dev, mirror->to_local_port, offset,
PORT_MIRROR_SNIFFER, true);
return 0;
@@ -1587,20 +1617,23 @@ int ksz8_port_mirror_add(struct ksz_device *dev, int port,
void ksz8_port_mirror_del(struct ksz_device *dev, int port,
struct dsa_mall_mirror_tc_entry *mirror)
{
+ int offset = P_MIRROR_CTRL;
u8 data;
+ if (ksz_is_ksz8463(dev))
+ offset = P1CR2;
if (mirror->ingress) {
- ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_RX, false);
+ ksz_port_cfg(dev, port, offset, PORT_MIRROR_RX, false);
dev->mirror_rx &= ~BIT(port);
} else {
- ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_TX, false);
+ ksz_port_cfg(dev, port, offset, PORT_MIRROR_TX, false);
dev->mirror_tx &= ~BIT(port);
}
- ksz_pread8(dev, port, P_MIRROR_CTRL, &data);
+ ksz_pread8(dev, port, offset, &data);
if (!dev->mirror_rx && !dev->mirror_tx)
- ksz_port_cfg(dev, mirror->to_local_port, P_MIRROR_CTRL,
+ ksz_port_cfg(dev, mirror->to_local_port, offset,
PORT_MIRROR_SNIFFER, false);
}
@@ -1625,17 +1658,24 @@ void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port)
const u16 *regs = dev->info->regs;
struct dsa_switch *ds = dev->ds;
const u32 *masks;
+ int offset;
u8 member;
masks = dev->info->masks;
/* enable broadcast storm limit */
- ksz_port_cfg(dev, port, P_BCAST_STORM_CTRL, PORT_BROADCAST_STORM, true);
+ offset = P_BCAST_STORM_CTRL;
+ if (ksz_is_ksz8463(dev))
+ offset = P1CR1;
+ ksz_port_cfg(dev, port, offset, PORT_BROADCAST_STORM, true);
ksz8_port_queue_split(dev, port, dev->info->num_tx_queues);
/* replace priority */
- ksz_port_cfg(dev, port, P_802_1P_CTRL,
+ offset = P_802_1P_CTRL;
+ if (ksz_is_ksz8463(dev))
+ offset = P1CR2;
+ ksz_port_cfg(dev, port, offset,
masks[PORT_802_1P_REMAPPING], false);
if (cpu_port)
@@ -1675,6 +1715,7 @@ void ksz8_config_cpu_port(struct dsa_switch *ds)
const u32 *masks;
const u16 *regs;
u8 remote;
+ u8 fiber_ports = 0;
int i;
masks = dev->info->masks;
@@ -1705,6 +1746,31 @@ void ksz8_config_cpu_port(struct dsa_switch *ds)
else
ksz_port_cfg(dev, i, regs[P_STP_CTRL],
PORT_FORCE_FLOW_CTRL, false);
+ if (p->fiber)
+ fiber_ports |= (1 << i);
+ }
+ if (ksz_is_ksz8463(dev)) {
+ /* Setup fiber ports. */
+ if (fiber_ports) {
+ regmap_update_bits(ksz_regmap_16(dev),
+ reg16(dev, KSZ8463_REG_CFG_CTRL),
+ fiber_ports << PORT_COPPER_MODE_S,
+ 0);
+ regmap_update_bits(ksz_regmap_16(dev),
+ reg16(dev, KSZ8463_REG_DSP_CTRL_6),
+ COPPER_RECEIVE_ADJUSTMENT, 0);
+ }
+
+ /* Turn off PTP function as the switch's proprietary way of
+ * handling timestamp is not supported in current Linux PTP
+ * stack implementation.
+ */
+ regmap_update_bits(ksz_regmap_16(dev),
+ reg16(dev, KSZ8463_PTP_MSG_CONF1),
+ PTP_ENABLE, 0);
+ regmap_update_bits(ksz_regmap_16(dev),
+ reg16(dev, KSZ8463_PTP_CLK_CTRL),
+ PTP_CLK_ENABLE, 0);
}
}
@@ -1886,14 +1952,14 @@ int ksz8_setup(struct dsa_switch *ds)
ksz_cfg(dev, S_LINK_AGING_CTRL, SW_LINK_AUTO_AGING, true);
/* Enable aggressive back off algorithm in half duplex mode. */
- regmap_update_bits(ksz_regmap_8(dev), REG_SW_CTRL_1,
+ regmap_update_bits(ksz_regmap_8(dev), reg8(dev, REG_SW_CTRL_1),
SW_AGGR_BACKOFF, SW_AGGR_BACKOFF);
/*
* Make sure unicast VLAN boundary is set as default and
* enable no excessive collision drop.
*/
- regmap_update_bits(ksz_regmap_8(dev), REG_SW_CTRL_2,
+ regmap_update_bits(ksz_regmap_8(dev), reg8(dev, REG_SW_CTRL_2),
UNICAST_VLAN_BOUNDARY | NO_EXC_COLLISION_DROP,
UNICAST_VLAN_BOUNDARY | NO_EXC_COLLISION_DROP);
@@ -1901,7 +1967,7 @@ int ksz8_setup(struct dsa_switch *ds)
ksz_cfg(dev, S_MIRROR_CTRL, SW_MIRROR_RX_TX, false);
- if (!ksz_is_ksz88x3(dev))
+ if (!ksz_is_ksz88x3(dev) && !ksz_is_ksz8463(dev))
ksz_cfg(dev, REG_SW_CTRL_19, SW_INS_TAG_ENABLE, true);
for (i = 0; i < (dev->info->num_vlans / 4); i++)
@@ -1947,6 +2013,91 @@ u32 ksz8_get_port_addr(int port, int offset)
return PORT_CTRL_ADDR(port, offset);
}
+u32 ksz8463_get_port_addr(int port, int offset)
+{
+ return offset + 0x18 * port;
+}
+
+static inline u16 ksz8463_get_phy_addr(u16 phy, u16 reg, u16 offset)
+{
+ return offset + reg * 2 + phy * (P2MBCR - P1MBCR);
+}
+
+int ksz8463_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val)
+{
+ bool processed = true;
+ u16 sw_reg = 0;
+ u16 data;
+ int ret;
+
+ if (phy > 1)
+ return -ENOSPC;
+ switch (reg) {
+ case MII_PHYSID1:
+ sw_reg = ksz8463_get_phy_addr(phy, 0, PHY1IHR);
+ break;
+ case MII_PHYSID2:
+ sw_reg = ksz8463_get_phy_addr(phy, 0, PHY1ILR);
+ break;
+ case MII_BMCR:
+ case MII_BMSR:
+ case MII_ADVERTISE:
+ case MII_LPA:
+ sw_reg = ksz8463_get_phy_addr(phy, reg, P1MBCR);
+ break;
+
+ /* No MMD access. */
+ case MII_MMD_CTRL:
+ case MII_MMD_DATA:
+ break;
+ case MII_TPISTATUS:
+ /* This register holds the PHY interrupt status for simulated
+ * Micrel KSZ PHY.
+ */
+ data = 0x0505;
+ break;
+ default:
+ processed = false;
+ break;
+ }
+ if (processed && sw_reg) {
+ ret = ksz_read16(dev, sw_reg, &data);
+ if (ret)
+ return ret;
+ *val = data;
+ }
+
+ return 0;
+}
+
+int ksz8463_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val)
+{
+ u16 sw_reg = 0;
+ int ret;
+
+ if (phy > 1)
+ return -ENOSPC;
+
+ /* No write to fiber port. */
+ if (dev->ports[phy].fiber)
+ return 0;
+ switch (reg) {
+ case MII_BMCR:
+ case MII_ADVERTISE:
+ sw_reg = ksz8463_get_phy_addr(phy, reg, P1MBCR);
+ break;
+ default:
+ break;
+ }
+ if (sw_reg) {
+ ret = ksz_write16(dev, sw_reg, val);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
int ksz8_switch_init(struct ksz_device *dev)
{
dev->cpu_port = fls(dev->info->cpu_ports) - 1;
diff --git a/drivers/net/dsa/microchip/ksz8.h b/drivers/net/dsa/microchip/ksz8.h
index e1c79ff97123..0f2cd1474b44 100644
--- a/drivers/net/dsa/microchip/ksz8.h
+++ b/drivers/net/dsa/microchip/ksz8.h
@@ -63,4 +63,8 @@ void ksz8_phylink_mac_link_up(struct phylink_config *config,
bool tx_pause, bool rx_pause);
int ksz8_all_queues_split(struct ksz_device *dev, int queues);
+u32 ksz8463_get_port_addr(int port, int offset);
+int ksz8463_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val);
+int ksz8463_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val);
+
#endif
diff --git a/drivers/net/dsa/microchip/ksz8_reg.h b/drivers/net/dsa/microchip/ksz8_reg.h
index 329688603a58..8f5845812383 100644
--- a/drivers/net/dsa/microchip/ksz8_reg.h
+++ b/drivers/net/dsa/microchip/ksz8_reg.h
@@ -729,6 +729,55 @@
#define PHY_POWER_SAVING_ENABLE BIT(2)
#define PHY_REMOTE_LOOPBACK BIT(1)
+/* KSZ8463 specific registers. */
+#define P1MBCR 0x4C
+#define P1MBSR 0x4E
+#define PHY1ILR 0x50
+#define PHY1IHR 0x52
+#define P1ANAR 0x54
+#define P1ANLPR 0x58
+#define P2MBCR 0x58
+#define P2MBSR 0x5A
+#define PHY2ILR 0x5C
+#define PHY2IHR 0x5E
+#define P2ANAR 0x60
+#define P2ANLPR 0x62
+
+#define P1CR1 0x6C
+#define P1CR2 0x6E
+#define P1CR3 0x72
+#define P1CR4 0x7E
+#define P1SR 0x80
+
+#define KSZ8463_FLUSH_TABLE_CTRL 0xAD
+
+#define KSZ8463_FLUSH_DYN_MAC_TABLE BIT(2)
+#define KSZ8463_FLUSH_STA_MAC_TABLE BIT(1)
+
+#define KSZ8463_REG_SW_CTRL_9 0xAE
+
+#define KSZ8463_REG_CFG_CTRL 0xD8
+
+#define PORT_2_COPPER_MODE BIT(7)
+#define PORT_1_COPPER_MODE BIT(6)
+#define PORT_COPPER_MODE_S 6
+
+#define KSZ8463_REG_SW_RESET 0x126
+
+#define KSZ8463_GLOBAL_SOFTWARE_RESET BIT(0)
+
+#define KSZ8463_PTP_CLK_CTRL 0x600
+
+#define PTP_CLK_ENABLE BIT(1)
+
+#define KSZ8463_PTP_MSG_CONF1 0x620
+
+#define PTP_ENABLE BIT(6)
+
+#define KSZ8463_REG_DSP_CTRL_6 0x734
+
+#define COPPER_RECEIVE_ADJUSTMENT BIT(13)
+
/* Chip resource */
#define PRIO_QUEUES 4
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index 6e1daf0018bc..a4d01679b806 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -331,6 +331,38 @@ static const struct phylink_mac_ops ksz8_phylink_mac_ops = {
.mac_enable_tx_lpi = ksz_phylink_mac_enable_tx_lpi,
};
+static const struct ksz_dev_ops ksz8463_dev_ops = {
+ .setup = ksz8_setup,
+ .get_port_addr = ksz8463_get_port_addr,
+ .cfg_port_member = ksz8_cfg_port_member,
+ .flush_dyn_mac_table = ksz8_flush_dyn_mac_table,
+ .port_setup = ksz8_port_setup,
+ .r_phy = ksz8463_r_phy,
+ .w_phy = ksz8463_w_phy,
+ .r_mib_cnt = ksz8_r_mib_cnt,
+ .r_mib_pkt = ksz8_r_mib_pkt,
+ .r_mib_stat64 = ksz88xx_r_mib_stats64,
+ .freeze_mib = ksz8_freeze_mib,
+ .port_init_cnt = ksz8_port_init_cnt,
+ .fdb_dump = ksz8_fdb_dump,
+ .fdb_add = ksz8_fdb_add,
+ .fdb_del = ksz8_fdb_del,
+ .mdb_add = ksz8_mdb_add,
+ .mdb_del = ksz8_mdb_del,
+ .vlan_filtering = ksz8_port_vlan_filtering,
+ .vlan_add = ksz8_port_vlan_add,
+ .vlan_del = ksz8_port_vlan_del,
+ .mirror_add = ksz8_port_mirror_add,
+ .mirror_del = ksz8_port_mirror_del,
+ .get_caps = ksz8_get_caps,
+ .config_cpu_port = ksz8_config_cpu_port,
+ .enable_stp_addr = ksz8_enable_stp_addr,
+ .reset = ksz8_reset_switch,
+ .init = ksz8_switch_init,
+ .exit = ksz8_switch_exit,
+ .change_mtu = ksz8_change_mtu,
+};
+
static const struct ksz_dev_ops ksz88xx_dev_ops = {
.setup = ksz8_setup,
.get_port_addr = ksz8_get_port_addr,
@@ -517,6 +549,60 @@ static const struct ksz_dev_ops lan937x_dev_ops = {
.exit = lan937x_switch_exit,
};
+static const u16 ksz8463_regs[] = {
+ [REG_SW_MAC_ADDR] = 0x10,
+ [REG_IND_CTRL_0] = 0x30,
+ [REG_IND_DATA_8] = 0x26,
+ [REG_IND_DATA_CHECK] = 0x26,
+ [REG_IND_DATA_HI] = 0x28,
+ [REG_IND_DATA_LO] = 0x2C,
+ [REG_IND_MIB_CHECK] = 0x2F,
+ [P_FORCE_CTRL] = 0x0C,
+ [P_LINK_STATUS] = 0x0E,
+ [P_LOCAL_CTRL] = 0x0C,
+ [P_NEG_RESTART_CTRL] = 0x0D,
+ [P_REMOTE_STATUS] = 0x0E,
+ [P_SPEED_STATUS] = 0x0F,
+ [S_TAIL_TAG_CTRL] = 0xAD,
+ [P_STP_CTRL] = 0x6F,
+ [S_START_CTRL] = 0x01,
+ [S_BROADCAST_CTRL] = 0x06,
+ [S_MULTICAST_CTRL] = 0x04,
+};
+
+static const u32 ksz8463_masks[] = {
+ [PORT_802_1P_REMAPPING] = BIT(3),
+ [SW_TAIL_TAG_ENABLE] = BIT(0),
+ [MIB_COUNTER_OVERFLOW] = BIT(7),
+ [MIB_COUNTER_VALID] = BIT(6),
+ [VLAN_TABLE_FID] = GENMASK(15, 12),
+ [VLAN_TABLE_MEMBERSHIP] = GENMASK(18, 16),
+ [VLAN_TABLE_VALID] = BIT(19),
+ [STATIC_MAC_TABLE_VALID] = BIT(19),
+ [STATIC_MAC_TABLE_USE_FID] = BIT(21),
+ [STATIC_MAC_TABLE_FID] = GENMASK(25, 22),
+ [STATIC_MAC_TABLE_OVERRIDE] = BIT(20),
+ [STATIC_MAC_TABLE_FWD_PORTS] = GENMASK(18, 16),
+ [DYNAMIC_MAC_TABLE_ENTRIES_H] = GENMASK(1, 0),
+ [DYNAMIC_MAC_TABLE_MAC_EMPTY] = BIT(2),
+ [DYNAMIC_MAC_TABLE_NOT_READY] = BIT(7),
+ [DYNAMIC_MAC_TABLE_ENTRIES] = GENMASK(31, 24),
+ [DYNAMIC_MAC_TABLE_FID] = GENMASK(19, 16),
+ [DYNAMIC_MAC_TABLE_SRC_PORT] = GENMASK(21, 20),
+ [DYNAMIC_MAC_TABLE_TIMESTAMP] = GENMASK(23, 22),
+};
+
+static u8 ksz8463_shifts[] = {
+ [VLAN_TABLE_MEMBERSHIP_S] = 16,
+ [STATIC_MAC_FWD_PORTS] = 16,
+ [STATIC_MAC_FID] = 22,
+ [DYNAMIC_MAC_ENTRIES_H] = 8,
+ [DYNAMIC_MAC_ENTRIES] = 24,
+ [DYNAMIC_MAC_FID] = 16,
+ [DYNAMIC_MAC_TIMESTAMP] = 22,
+ [DYNAMIC_MAC_SRC_PORT] = 20,
+};
+
static const u16 ksz8795_regs[] = {
[REG_SW_MAC_ADDR] = 0x68,
[REG_IND_CTRL_0] = 0x6E,
@@ -1387,6 +1473,29 @@ static const struct regmap_access_table ksz8873_register_set = {
};
const struct ksz_chip_data ksz_switch_chips[] = {
+ [KSZ8463] = {
+ .chip_id = KSZ8463_CHIP_ID,
+ .dev_name = "KSZ8463",
+ .num_vlans = 16,
+ .num_alus = 0,
+ .num_statics = 8,
+ .cpu_ports = 0x4, /* can be configured as cpu port */
+ .port_cnt = 3,
+ .num_tx_queues = 4,
+ .num_ipms = 4,
+ .ops = &ksz8463_dev_ops,
+ .phylink_mac_ops = &ksz88x3_phylink_mac_ops,
+ .mib_names = ksz88xx_mib_names,
+ .mib_cnt = ARRAY_SIZE(ksz88xx_mib_names),
+ .reg_mib_cnt = MIB_COUNTER_NUM,
+ .regs = ksz8463_regs,
+ .masks = ksz8463_masks,
+ .shifts = ksz8463_shifts,
+ .supports_mii = {false, false, true},
+ .supports_rmii = {false, false, true},
+ .internal_phy = {true, true, false},
+ },
+
[KSZ8563] = {
.chip_id = KSZ8563_CHIP_ID,
.dev_name = "KSZ8563",
@@ -2842,6 +2951,7 @@ static int ksz_parse_drive_strength(struct ksz_device *dev);
static int ksz_setup(struct dsa_switch *ds)
{
struct ksz_device *dev = ds->priv;
+ u16 storm_mask, storm_rate;
struct dsa_port *dp;
struct ksz_port *p;
const u16 *regs;
@@ -2871,10 +2981,15 @@ static int ksz_setup(struct dsa_switch *ds)
}
/* set broadcast storm protection 10% rate */
- regmap_update_bits(ksz_regmap_16(dev), regs[S_BROADCAST_CTRL],
- BROADCAST_STORM_RATE,
- (BROADCAST_STORM_VALUE *
- BROADCAST_STORM_PROT_RATE) / 100);
+ storm_mask = BROADCAST_STORM_RATE;
+ storm_rate = (BROADCAST_STORM_VALUE * BROADCAST_STORM_PROT_RATE) / 100;
+ if (ksz_is_ksz8463(dev)) {
+ storm_mask = htons(storm_mask);
+ storm_rate = htons(storm_rate);
+ }
+ regmap_update_bits(ksz_regmap_16(dev),
+ reg16(dev, regs[S_BROADCAST_CTRL]),
+ storm_mask, storm_rate);
dev->dev_ops->config_cpu_port(ds);
@@ -2882,7 +2997,8 @@ static int ksz_setup(struct dsa_switch *ds)
ds->num_tx_queues = dev->info->num_tx_queues;
- regmap_update_bits(ksz_regmap_8(dev), regs[S_MULTICAST_CTRL],
+ regmap_update_bits(ksz_regmap_8(dev),
+ reg8(dev, regs[S_MULTICAST_CTRL]),
MULTICAST_STORM_DISABLE, MULTICAST_STORM_DISABLE);
ksz_init_mib_timer(dev);
@@ -2942,7 +3058,7 @@ static int ksz_setup(struct dsa_switch *ds)
goto out_ptp_clock_unregister;
/* start switch */
- regmap_update_bits(ksz_regmap_8(dev), regs[S_START_CTRL],
+ regmap_update_bits(ksz_regmap_8(dev), reg8(dev, regs[S_START_CTRL]),
SW_START, SW_START);
return 0;
@@ -3400,6 +3516,7 @@ static enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds,
proto = DSA_TAG_PROTO_KSZ8795;
if (dev->chip_id == KSZ88X3_CHIP_ID ||
+ dev->chip_id == KSZ8463_CHIP_ID ||
dev->chip_id == KSZ8563_CHIP_ID ||
dev->chip_id == KSZ9893_CHIP_ID ||
dev->chip_id == KSZ9563_CHIP_ID)
@@ -3512,6 +3629,7 @@ static int ksz_max_mtu(struct dsa_switch *ds, int port)
case KSZ8794_CHIP_ID:
case KSZ8765_CHIP_ID:
return KSZ8795_HUGE_PACKET_SIZE - VLAN_ETH_HLEN - ETH_FCS_LEN;
+ case KSZ8463_CHIP_ID:
case KSZ88X3_CHIP_ID:
case KSZ8864_CHIP_ID:
case KSZ8895_CHIP_ID:
@@ -3866,6 +3984,9 @@ static int ksz_switch_detect(struct ksz_device *dev)
id2 = FIELD_GET(SW_CHIP_ID_M, id16);
switch (id1) {
+ case KSZ84_FAMILY_ID:
+ dev->chip_id = KSZ8463_CHIP_ID;
+ break;
case KSZ87_FAMILY_ID:
if (id2 == KSZ87_CHIP_ID_95) {
u8 val;
@@ -4107,6 +4228,17 @@ static int ksz_ets_band_to_queue(struct tc_ets_qopt_offload_replace_params *p,
return p->bands - 1 - band;
}
+static u8 ksz8463_tc_ctrl(int port, int queue)
+{
+ u8 reg;
+
+ reg = 0xC8 + port * 4;
+ reg += ((3 - queue) / 2) * 2;
+ reg++;
+ reg -= (queue & 1);
+ return reg;
+}
+
/**
* ksz88x3_tc_ets_add - Configure ETS (Enhanced Transmission Selection)
* for a port on KSZ88x3 switch
@@ -4142,6 +4274,8 @@ static int ksz88x3_tc_ets_add(struct ksz_device *dev, int port,
* port/queue
*/
reg = KSZ8873_TXQ_SPLIT_CTRL_REG(port, queue);
+ if (ksz_is_ksz8463(dev))
+ reg = ksz8463_tc_ctrl(port, queue);
/* Clear WFQ enable bit to select strict priority scheduling */
ret = ksz_rmw8(dev, reg, KSZ8873_TXQ_WFQ_ENABLE, 0);
@@ -4177,6 +4311,8 @@ static int ksz88x3_tc_ets_del(struct ksz_device *dev, int port)
* port/queue
*/
reg = KSZ8873_TXQ_SPLIT_CTRL_REG(port, queue);
+ if (ksz_is_ksz8463(dev))
+ reg = ksz8463_tc_ctrl(port, queue);
/* Set WFQ enable bit to revert back to default scheduling
* mode
@@ -4324,7 +4460,7 @@ static int ksz_tc_setup_qdisc_ets(struct dsa_switch *ds, int port,
struct ksz_device *dev = ds->priv;
int ret;
- if (is_ksz8(dev) && !ksz_is_ksz88x3(dev))
+ if (is_ksz8(dev) && !(ksz_is_ksz88x3(dev) || ksz_is_ksz8463(dev)))
return -EOPNOTSUPP;
if (qopt->parent != TC_H_ROOT) {
@@ -4338,13 +4474,13 @@ static int ksz_tc_setup_qdisc_ets(struct dsa_switch *ds, int port,
if (ret)
return ret;
- if (ksz_is_ksz88x3(dev))
+ if (ksz_is_ksz88x3(dev) || ksz_is_ksz8463(dev))
return ksz88x3_tc_ets_add(dev, port,
&qopt->replace_params);
else
return ksz_tc_ets_add(dev, port, &qopt->replace_params);
case TC_ETS_DESTROY:
- if (ksz_is_ksz88x3(dev))
+ if (ksz_is_ksz88x3(dev) || ksz_is_ksz8463(dev))
return ksz88x3_tc_ets_del(dev, port);
else
return ksz_tc_ets_del(dev, port);
@@ -4687,7 +4823,16 @@ int ksz_switch_macaddr_get(struct dsa_switch *ds, int port,
/* Program the switch MAC address to hardware */
for (i = 0; i < ETH_ALEN; i++) {
- ret = ksz_write8(dev, regs[REG_SW_MAC_ADDR] + i, addr[i]);
+ if (ksz_is_ksz8463(dev)) {
+ u16 addr16 = ((u16)addr[i] << 8) | addr[i + 1];
+
+ ret = ksz_write16(dev, regs[REG_SW_MAC_ADDR] + i,
+ addr16);
+ i++;
+ } else {
+ ret = ksz_write8(dev, regs[REG_SW_MAC_ADDR] + i,
+ addr[i]);
+ }
if (ret)
goto macaddr_drop;
}
@@ -5296,6 +5441,9 @@ int ksz_switch_register(struct ksz_device *dev)
&dev->ports[port_num].interface);
ksz_parse_rgmii_delay(dev, port_num, port);
+ dev->ports[port_num].fiber =
+ of_property_read_bool(port,
+ "micrel,fiber-mode");
}
of_node_put(ports);
}
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h
index a08417df2ca4..cdf89e50238a 100644
--- a/drivers/net/dsa/microchip/ksz_common.h
+++ b/drivers/net/dsa/microchip/ksz_common.h
@@ -222,6 +222,7 @@ struct ksz_device {
/* List of supported models */
enum ksz_model {
+ KSZ8463,
KSZ8563,
KSZ8567,
KSZ8795,
@@ -484,10 +485,36 @@ static inline struct regmap *ksz_regmap_32(struct ksz_device *dev)
return dev->regmap[KSZ_REGMAP_32];
}
+static inline bool ksz_is_ksz8463(struct ksz_device *dev)
+{
+ return dev->chip_id == KSZ8463_CHIP_ID;
+}
+
+static inline u32 reg8(struct ksz_device *dev, u32 reg)
+{
+ if (ksz_is_ksz8463(dev))
+ return ((reg >> 2) << 4) | (1 << (reg & 3));
+ return reg;
+}
+
+static inline u32 reg16(struct ksz_device *dev, u32 reg)
+{
+ if (ksz_is_ksz8463(dev))
+ return ((reg >> 2) << 4) | (reg & 2 ? 0x0c : 0x03);
+ return reg;
+}
+
+static inline u32 reg32(struct ksz_device *dev, u32 reg)
+{
+ if (ksz_is_ksz8463(dev))
+ return ((reg >> 2) << 4) | 0xf;
+ return reg;
+}
+
static inline int ksz_read8(struct ksz_device *dev, u32 reg, u8 *val)
{
unsigned int value;
- int ret = regmap_read(ksz_regmap_8(dev), reg, &value);
+ int ret = regmap_read(ksz_regmap_8(dev), reg8(dev, reg), &value);
if (ret)
dev_err(dev->dev, "can't read 8bit reg: 0x%x %pe\n", reg,
@@ -500,7 +527,7 @@ static inline int ksz_read8(struct ksz_device *dev, u32 reg, u8 *val)
static inline int ksz_read16(struct ksz_device *dev, u32 reg, u16 *val)
{
unsigned int value;
- int ret = regmap_read(ksz_regmap_16(dev), reg, &value);
+ int ret = regmap_read(ksz_regmap_16(dev), reg16(dev, reg), &value);
if (ret)
dev_err(dev->dev, "can't read 16bit reg: 0x%x %pe\n", reg,
@@ -513,7 +540,7 @@ static inline int ksz_read16(struct ksz_device *dev, u32 reg, u16 *val)
static inline int ksz_read32(struct ksz_device *dev, u32 reg, u32 *val)
{
unsigned int value;
- int ret = regmap_read(ksz_regmap_32(dev), reg, &value);
+ int ret = regmap_read(ksz_regmap_32(dev), reg32(dev, reg), &value);
if (ret)
dev_err(dev->dev, "can't read 32bit reg: 0x%x %pe\n", reg,
@@ -528,7 +555,17 @@ static inline int ksz_read64(struct ksz_device *dev, u32 reg, u64 *val)
u32 value[2];
int ret;
- ret = regmap_bulk_read(ksz_regmap_32(dev), reg, value, 2);
+ if (ksz_is_ksz8463(dev)) {
+ int i;
+
+ for (i = 0; i < 2; i++)
+ ret = regmap_read(ksz_regmap_32(dev),
+ reg32(dev, reg + i * 4),
+ &value[i]);
+ *val = (u64)value[0] << 32 | value[1];
+ return ret;
+ }
+ ret = regmap_bulk_read(ksz_regmap_32(dev), reg32(dev, reg), value, 2);
if (ret)
dev_err(dev->dev, "can't read 64bit reg: 0x%x %pe\n", reg,
ERR_PTR(ret));
@@ -542,7 +579,7 @@ static inline int ksz_write8(struct ksz_device *dev, u32 reg, u8 value)
{
int ret;
- ret = regmap_write(ksz_regmap_8(dev), reg, value);
+ ret = regmap_write(ksz_regmap_8(dev), reg8(dev, reg), value);
if (ret)
dev_err(dev->dev, "can't write 8bit reg: 0x%x %pe\n", reg,
ERR_PTR(ret));
@@ -554,7 +591,7 @@ static inline int ksz_write16(struct ksz_device *dev, u32 reg, u16 value)
{
int ret;
- ret = regmap_write(ksz_regmap_16(dev), reg, value);
+ ret = regmap_write(ksz_regmap_16(dev), reg16(dev, reg), value);
if (ret)
dev_err(dev->dev, "can't write 16bit reg: 0x%x %pe\n", reg,
ERR_PTR(ret));
@@ -566,7 +603,7 @@ static inline int ksz_write32(struct ksz_device *dev, u32 reg, u32 value)
{
int ret;
- ret = regmap_write(ksz_regmap_32(dev), reg, value);
+ ret = regmap_write(ksz_regmap_32(dev), reg32(dev, reg), value);
if (ret)
dev_err(dev->dev, "can't write 32bit reg: 0x%x %pe\n", reg,
ERR_PTR(ret));
@@ -579,7 +616,7 @@ static inline int ksz_rmw16(struct ksz_device *dev, u32 reg, u16 mask,
{
int ret;
- ret = regmap_update_bits(ksz_regmap_16(dev), reg, mask, value);
+ ret = regmap_update_bits(ksz_regmap_16(dev), reg16(dev, reg), mask, value);
if (ret)
dev_err(dev->dev, "can't rmw 16bit reg 0x%x: %pe\n", reg,
ERR_PTR(ret));
@@ -592,7 +629,7 @@ static inline int ksz_rmw32(struct ksz_device *dev, u32 reg, u32 mask,
{
int ret;
- ret = regmap_update_bits(ksz_regmap_32(dev), reg, mask, value);
+ ret = regmap_update_bits(ksz_regmap_32(dev), reg32(dev, reg), mask, value);
if (ret)
dev_err(dev->dev, "can't rmw 32bit reg 0x%x: %pe\n", reg,
ERR_PTR(ret));
@@ -609,14 +646,22 @@ static inline int ksz_write64(struct ksz_device *dev, u32 reg, u64 value)
val[0] = swab32(value & 0xffffffffULL);
val[1] = swab32(value >> 32ULL);
- return regmap_bulk_write(ksz_regmap_32(dev), reg, val, 2);
+ if (ksz_is_ksz8463(dev)) {
+ int i, ret;
+
+ for (i = 0; i < 2; i++)
+ ret = regmap_write(ksz_regmap_32(dev),
+ reg32(dev, reg + i * 4), val[i]);
+ return ret;
+ }
+ return regmap_bulk_write(ksz_regmap_32(dev), reg32(dev, reg), val, 2);
}
static inline int ksz_rmw8(struct ksz_device *dev, int offset, u8 mask, u8 val)
{
int ret;
- ret = regmap_update_bits(ksz_regmap_8(dev), offset, mask, val);
+ ret = regmap_update_bits(ksz_regmap_8(dev), reg8(dev, offset), mask, val);
if (ret)
dev_err(dev->dev, "can't rmw 8bit reg 0x%x: %pe\n", offset,
ERR_PTR(ret));
@@ -709,12 +754,13 @@ static inline bool ksz_is_8895_family(struct ksz_device *dev)
static inline bool is_ksz8(struct ksz_device *dev)
{
return ksz_is_ksz87xx(dev) || ksz_is_ksz88x3(dev) ||
- ksz_is_8895_family(dev);
+ ksz_is_8895_family(dev) || ksz_is_ksz8463(dev);
}
static inline bool is_ksz88xx(struct ksz_device *dev)
{
- return ksz_is_ksz88x3(dev) || ksz_is_8895_family(dev);
+ return ksz_is_ksz88x3(dev) || ksz_is_8895_family(dev) ||
+ ksz_is_ksz8463(dev);
}
static inline bool is_ksz9477(struct ksz_device *dev)
@@ -761,6 +807,7 @@ static inline bool ksz_is_sgmii_port(struct ksz_device *dev, int port)
#define REG_CHIP_ID0 0x00
#define SW_FAMILY_ID_M GENMASK(15, 8)
+#define KSZ84_FAMILY_ID 0x84
#define KSZ87_FAMILY_ID 0x87
#define KSZ88_FAMILY_ID 0x88
#define KSZ8895_FAMILY_ID 0x95
@@ -906,6 +953,9 @@ static inline bool ksz_is_sgmii_port(struct ksz_device *dev, int port)
#define KSZ_SPI_OP_RD 3
#define KSZ_SPI_OP_WR 2
+#define KSZ8463_SPI_OP_RD 0
+#define KSZ8463_SPI_OP_WR 1
+
#define swabnot_used(x) 0
#define KSZ_SPI_OP_FLAG_MASK(opcode, swp, regbits, regpad) \
@@ -939,4 +989,32 @@ static inline bool ksz_is_sgmii_port(struct ksz_device *dev, int port)
[KSZ_REGMAP_32] = KSZ_REGMAP_ENTRY(32, swp, (regbits), (regpad), (regalign)), \
}
+#define KSZ8463_REGMAP_ENTRY(width, swp, regbits, regpad, regalign) \
+ { \
+ .name = #width, \
+ .val_bits = (width), \
+ .reg_stride = 1, \
+ .reg_bits = (regbits) + (regalign), \
+ .pad_bits = (regpad), \
+ .max_register = BIT(regbits) - 1, \
+ .cache_type = REGCACHE_NONE, \
+ .read_flag_mask = \
+ KSZ_SPI_OP_FLAG_MASK(KSZ8463_SPI_OP_RD, swp, \
+ regbits, regpad), \
+ .write_flag_mask = \
+ KSZ_SPI_OP_FLAG_MASK(KSZ8463_SPI_OP_WR, swp, \
+ regbits, regpad), \
+ .lock = ksz_regmap_lock, \
+ .unlock = ksz_regmap_unlock, \
+ .reg_format_endian = REGMAP_ENDIAN_BIG, \
+ .val_format_endian = REGMAP_ENDIAN_LITTLE \
+ }
+
+#define KSZ8463_REGMAP_TABLE(ksz, swp, regbits, regpad, regalign) \
+ static const struct regmap_config ksz##_regmap_config[] = { \
+ [KSZ_REGMAP_8] = KSZ8463_REGMAP_ENTRY(8, swp, (regbits), (regpad), (regalign)), \
+ [KSZ_REGMAP_16] = KSZ8463_REGMAP_ENTRY(16, swp, (regbits), (regpad), (regalign)), \
+ [KSZ_REGMAP_32] = KSZ8463_REGMAP_ENTRY(32, swp, (regbits), (regpad), (regalign)), \
+ }
+
#endif
diff --git a/drivers/net/dsa/microchip/ksz_dcb.c b/drivers/net/dsa/microchip/ksz_dcb.c
index c3b501997ac9..7131c5caac54 100644
--- a/drivers/net/dsa/microchip/ksz_dcb.c
+++ b/drivers/net/dsa/microchip/ksz_dcb.c
@@ -16,10 +16,12 @@
* Therefore, we define the base offset as 0x00 here to align with that logic.
*/
#define KSZ8_REG_PORT_1_CTRL_0 0x00
+#define KSZ8463_REG_PORT_1_CTRL_0 0x6C
#define KSZ8_PORT_DIFFSERV_ENABLE BIT(6)
#define KSZ8_PORT_802_1P_ENABLE BIT(5)
#define KSZ8_PORT_BASED_PRIO_M GENMASK(4, 3)
+#define KSZ8463_REG_TOS_DSCP_CTRL 0x16
#define KSZ88X3_REG_TOS_DSCP_CTRL 0x60
#define KSZ8765_REG_TOS_DSCP_CTRL 0x90
@@ -98,6 +100,8 @@ static void ksz_get_default_port_prio_reg(struct ksz_device *dev, int *reg,
*reg = KSZ8_REG_PORT_1_CTRL_0;
*mask = KSZ8_PORT_BASED_PRIO_M;
*shift = __bf_shf(KSZ8_PORT_BASED_PRIO_M);
+ if (ksz_is_ksz8463(dev))
+ *reg = KSZ8463_REG_PORT_1_CTRL_0;
} else {
*reg = KSZ9477_REG_PORT_MRI_MAC_CTRL;
*mask = KSZ9477_PORT_BASED_PRIO_M;
@@ -122,10 +126,12 @@ static void ksz_get_dscp_prio_reg(struct ksz_device *dev, int *reg,
*reg = KSZ8765_REG_TOS_DSCP_CTRL;
*per_reg = 4;
*mask = GENMASK(1, 0);
- } else if (ksz_is_ksz88x3(dev)) {
+ } else if (ksz_is_ksz88x3(dev) || ksz_is_ksz8463(dev)) {
*reg = KSZ88X3_REG_TOS_DSCP_CTRL;
*per_reg = 4;
*mask = GENMASK(1, 0);
+ if (ksz_is_ksz8463(dev))
+ *reg = KSZ8463_REG_TOS_DSCP_CTRL;
} else {
*reg = KSZ9477_REG_DIFFSERV_PRIO_MAP;
*per_reg = 2;
@@ -151,6 +157,8 @@ static void ksz_get_apptrust_map_and_reg(struct ksz_device *dev,
*map = ksz8_apptrust_map_to_bit;
*reg = KSZ8_REG_PORT_1_CTRL_0;
*mask = KSZ8_PORT_DIFFSERV_ENABLE | KSZ8_PORT_802_1P_ENABLE;
+ if (ksz_is_ksz8463(dev))
+ *reg = KSZ8463_REG_PORT_1_CTRL_0;
} else {
*map = ksz9477_apptrust_map_to_bit;
*reg = KSZ9477_REG_PORT_MRI_PRIO_CTRL;
diff --git a/drivers/net/dsa/microchip/ksz_spi.c b/drivers/net/dsa/microchip/ksz_spi.c
index b633d263098c..d7ce2d1cc3f0 100644
--- a/drivers/net/dsa/microchip/ksz_spi.c
+++ b/drivers/net/dsa/microchip/ksz_spi.c
@@ -16,6 +16,10 @@
#include "ksz_common.h"
+#define KSZ8463_SPI_ADDR_SHIFT 13
+#define KSZ8463_SPI_ADDR_ALIGN 1
+#define KSZ8463_SPI_TURNAROUND_SHIFT 2
+
#define KSZ8795_SPI_ADDR_SHIFT 12
#define KSZ8795_SPI_ADDR_ALIGN 3
#define KSZ8795_SPI_TURNAROUND_SHIFT 1
@@ -28,6 +32,9 @@
#define KSZ9477_SPI_ADDR_ALIGN 3
#define KSZ9477_SPI_TURNAROUND_SHIFT 5
+KSZ8463_REGMAP_TABLE(ksz8463, 16, KSZ8463_SPI_ADDR_SHIFT,
+ KSZ8463_SPI_TURNAROUND_SHIFT, KSZ8463_SPI_ADDR_ALIGN);
+
KSZ_REGMAP_TABLE(ksz8795, 16, KSZ8795_SPI_ADDR_SHIFT,
KSZ8795_SPI_TURNAROUND_SHIFT, KSZ8795_SPI_ADDR_ALIGN);
@@ -58,6 +65,8 @@ static int ksz_spi_probe(struct spi_device *spi)
dev->chip_id = chip->chip_id;
if (chip->chip_id == KSZ88X3_CHIP_ID)
regmap_config = ksz8863_regmap_config;
+ else if (chip->chip_id == KSZ8463_CHIP_ID)
+ regmap_config = ksz8463_regmap_config;
else if (chip->chip_id == KSZ8795_CHIP_ID ||
chip->chip_id == KSZ8794_CHIP_ID ||
chip->chip_id == KSZ8765_CHIP_ID)
@@ -125,6 +134,10 @@ static void ksz_spi_shutdown(struct spi_device *spi)
}
static const struct of_device_id ksz_dt_ids[] = {
+ {
+ .compatible = "microchip,ksz8463",
+ .data = &ksz_switch_chips[KSZ8463]
+ },
{
.compatible = "microchip,ksz8765",
.data = &ksz_switch_chips[KSZ8765]
@@ -214,6 +227,7 @@ static const struct of_device_id ksz_dt_ids[] = {
MODULE_DEVICE_TABLE(of, ksz_dt_ids);
static const struct spi_device_id ksz_spi_ids[] = {
+ { "ksz8463" },
{ "ksz8765" },
{ "ksz8794" },
{ "ksz8795" },
diff --git a/include/linux/platform_data/microchip-ksz.h b/include/linux/platform_data/microchip-ksz.h
index 0e0e8fe6975f..028781ad4059 100644
--- a/include/linux/platform_data/microchip-ksz.h
+++ b/include/linux/platform_data/microchip-ksz.h
@@ -23,6 +23,7 @@
#include <linux/platform_data/dsa.h>
enum ksz_chip_id {
+ KSZ8463_CHIP_ID = 0x8463,
KSZ8563_CHIP_ID = 0x8563,
KSZ8795_CHIP_ID = 0x8795,
KSZ8794_CHIP_ID = 0x8794,
--
2.34.1
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