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path: root/drivers/net/dsa/microchip/ksz_common.h
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-rw-r--r--drivers/net/dsa/microchip/ksz_common.h427
1 files changed, 383 insertions, 44 deletions
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h
index 055d61ff3fb8..c65188cd3c0a 100644
--- a/drivers/net/dsa/microchip/ksz_common.h
+++ b/drivers/net/dsa/microchip/ksz_common.h
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Microchip switch driver common header
*
- * Copyright (C) 2017-2019 Microchip Technology Inc.
+ * Copyright (C) 2017-2025 Microchip Technology Inc.
*/
#ifndef __KSZ_COMMON_H
@@ -10,14 +10,31 @@
#include <linux/etherdevice.h>
#include <linux/kernel.h>
#include <linux/mutex.h>
+#include <linux/pcs/pcs-xpcs.h>
#include <linux/phy.h>
#include <linux/regmap.h>
#include <net/dsa.h>
#include <linux/irq.h>
+#include <linux/platform_data/microchip-ksz.h>
+
+#include "ksz_ptp.h"
#define KSZ_MAX_NUM_PORTS 8
+/* all KSZ switches count ports from 1 */
+#define KSZ_PORT_1 0
+#define KSZ_PORT_2 1
+#define KSZ_PORT_4 3
struct ksz_device;
+struct ksz_port;
+struct phylink_mac_ops;
+
+enum ksz_regmap_width {
+ KSZ_REGMAP_8,
+ KSZ_REGMAP_16,
+ KSZ_REGMAP_32,
+ __KSZ_NUM_REGMAPS,
+};
struct vlan_table {
u32 table[3];
@@ -46,7 +63,17 @@ struct ksz_chip_data {
int cpu_ports;
int port_cnt;
u8 port_nirqs;
+ u8 num_tx_queues;
+ u8 num_ipms; /* number of Internal Priority Maps */
+ bool tc_cbs_supported;
+
+ /**
+ * @phy_side_mdio_supported: Indicates if the chip supports an additional
+ * side MDIO channel for accessing integrated PHYs.
+ */
+ bool phy_side_mdio_supported;
const struct ksz_dev_ops *ops;
+ const struct phylink_mac_ops *phylink_mac_ops;
bool phy_errata_9477;
bool ksz87xx_eee_link_erratum;
const struct ksz_mib_names *mib_names;
@@ -66,6 +93,8 @@ struct ksz_chip_data {
bool supports_rgmii[KSZ_MAX_NUM_PORTS];
bool internal_phy[KSZ_MAX_NUM_PORTS];
bool gbit_capable[KSZ_MAX_NUM_PORTS];
+ bool ptp_capable;
+ u8 sgmii_port;
const struct regmap_access_table *wr_table;
const struct regmap_access_table *rd_table;
};
@@ -81,25 +110,51 @@ struct ksz_irq {
struct ksz_device *dev;
};
+struct ksz_ptp_irq {
+ struct ksz_port *port;
+ u16 ts_reg;
+ bool ts_en;
+ char name[16];
+ int num;
+};
+
+struct ksz_switch_macaddr {
+ unsigned char addr[ETH_ALEN];
+ refcount_t refcount;
+};
+
struct ksz_port {
bool remove_tag; /* Remove Tag flag set, for ksz8795 only */
bool learning;
+ bool isolated;
int stp_state;
struct phy_device phydev;
- u32 on:1; /* port is not disabled by hardware */
u32 fiber:1; /* port is fiber */
u32 force:1;
u32 read:1; /* read MIB counters in background */
u32 freeze:1; /* MIB counter freeze is enabled */
+ u32 sgmii_adv_write:1;
struct ksz_port_mib mib;
phy_interface_t interface;
u32 rgmii_tx_val;
u32 rgmii_rx_val;
struct ksz_device *ksz_dev;
+ void *acl_priv;
struct ksz_irq pirq;
u8 num;
+ struct phylink_pcs *pcs;
+#if IS_ENABLED(CONFIG_NET_DSA_MICROCHIP_KSZ_PTP)
+ struct kernel_hwtstamp_config tstamp_config;
+ bool hwts_tx_en;
+ bool hwts_rx_en;
+ struct ksz_irq ptpirq;
+ struct ksz_ptp_irq ptpmsg_irq[3];
+ ktime_t tstamp_msg;
+ struct completion tstamp_msg_comp;
+#endif
+ bool manual_flow;
};
struct ksz_device {
@@ -114,7 +169,7 @@ struct ksz_device {
const struct ksz_dev_ops *dev_ops;
struct device *dev;
- struct regmap *regmap[3];
+ struct regmap *regmap[__KSZ_NUM_REGMAPS];
void *priv;
int irq;
@@ -129,6 +184,8 @@ struct ksz_device {
phy_interface_t compat_interface;
bool synclko_125;
bool synclko_disable;
+ bool wakeup_source;
+ bool pme_active_high;
struct vlan_table *vlan_cache;
@@ -140,15 +197,40 @@ struct ksz_device {
u16 port_mask;
struct mutex lock_irq; /* IRQ Access */
struct ksz_irq girq;
+ struct ksz_ptp_data ptp_data;
+
+ struct ksz_switch_macaddr *switch_macaddr;
+ struct net_device *hsr_dev; /* HSR */
+ u8 hsr_ports;
+
+ /**
+ * @phy_addr_map: Array mapping switch ports to their corresponding PHY
+ * addresses.
+ */
+ u8 phy_addr_map[KSZ_MAX_NUM_PORTS];
+
+ /**
+ * @parent_mdio_bus: Pointer to the external MDIO bus controller.
+ *
+ * This points to an external MDIO bus controller that is used to access
+ * the PHYs integrated within the switch. Unlike an integrated MDIO
+ * bus, this external controller provides a direct path for managing
+ * the switch’s internal PHYs, bypassing the main SPI interface.
+ */
+ struct mii_bus *parent_mdio_bus;
};
/* List of supported models */
enum ksz_model {
+ KSZ8463,
KSZ8563,
+ KSZ8567,
KSZ8795,
KSZ8794,
KSZ8765,
- KSZ8830,
+ KSZ88X3,
+ KSZ8864,
+ KSZ8895,
KSZ9477,
KSZ9896,
KSZ9897,
@@ -160,28 +242,11 @@ enum ksz_model {
LAN9372,
LAN9373,
LAN9374,
-};
-
-enum ksz_chip_id {
- KSZ8563_CHIP_ID = 0x8563,
- KSZ8795_CHIP_ID = 0x8795,
- KSZ8794_CHIP_ID = 0x8794,
- KSZ8765_CHIP_ID = 0x8765,
- KSZ8830_CHIP_ID = 0x8830,
- KSZ9477_CHIP_ID = 0x00947700,
- KSZ9896_CHIP_ID = 0x00989600,
- KSZ9897_CHIP_ID = 0x00989700,
- KSZ9893_CHIP_ID = 0x00989300,
- KSZ9563_CHIP_ID = 0x00956300,
- KSZ9567_CHIP_ID = 0x00956700,
- LAN9370_CHIP_ID = 0x00937000,
- LAN9371_CHIP_ID = 0x00937100,
- LAN9372_CHIP_ID = 0x00937200,
- LAN9373_CHIP_ID = 0x00937300,
- LAN9374_CHIP_ID = 0x00937400,
+ LAN9646,
};
enum ksz_regs {
+ REG_SW_MAC_ADDR,
REG_IND_CTRL_0,
REG_IND_DATA_8,
REG_IND_DATA_CHECK,
@@ -202,6 +267,9 @@ enum ksz_regs {
S_MULTICAST_CTRL,
P_XMII_CTRL_0,
P_XMII_CTRL_1,
+ REG_SW_PME_CTRL,
+ REG_PORT_PME_STATUS,
+ REG_PORT_PME_CTRL,
};
enum ksz_masks {
@@ -226,6 +294,8 @@ enum ksz_masks {
DYNAMIC_MAC_TABLE_TIMESTAMP,
ALU_STAT_WRITE,
ALU_STAT_READ,
+ ALU_STAT_DIRECT,
+ ALU_RESV_MCAST_ADDR,
P_MII_TX_FLOW_CTRL,
P_MII_RX_FLOW_CTRL,
};
@@ -287,6 +357,43 @@ struct ksz_dev_ops {
void (*port_cleanup)(struct ksz_device *dev, int port);
void (*port_setup)(struct ksz_device *dev, int port, bool cpu_port);
int (*set_ageing_time)(struct ksz_device *dev, unsigned int msecs);
+
+ /**
+ * @mdio_bus_preinit: Function pointer to pre-initialize the MDIO bus
+ * for accessing PHYs.
+ * @dev: Pointer to device structure.
+ * @side_mdio: Boolean indicating if the PHYs are accessed over a side
+ * MDIO bus.
+ *
+ * This function pointer is used to configure the MDIO bus for PHY
+ * access before initiating regular PHY operations. It enables either
+ * SPI/I2C or side MDIO access modes by unlocking necessary registers
+ * and setting up access permissions for the selected mode.
+ *
+ * Return:
+ * - 0 on success.
+ * - Negative error code on failure.
+ */
+ int (*mdio_bus_preinit)(struct ksz_device *dev, bool side_mdio);
+
+ /**
+ * @create_phy_addr_map: Function pointer to create a port-to-PHY
+ * address map.
+ * @dev: Pointer to device structure.
+ * @side_mdio: Boolean indicating if the PHYs are accessed over a side
+ * MDIO bus.
+ *
+ * This function pointer is responsible for mapping switch ports to PHY
+ * addresses according to the configured access mode (SPI or side MDIO)
+ * and the device’s strap configuration. The mapping setup may vary
+ * depending on the chip variant and configuration. Ensures the correct
+ * address mapping for PHY communication.
+ *
+ * Return:
+ * - 0 on success.
+ * - Negative error code on failure (e.g., invalid configuration).
+ */
+ int (*create_phy_addr_map)(struct ksz_device *dev, bool side_mdio);
int (*r_phy)(struct ksz_device *dev, u16 phy, u16 reg, u16 *val);
int (*w_phy)(struct ksz_device *dev, u16 phy, u16 reg, u16 val);
void (*r_mib_cnt)(struct ksz_device *dev, int port, u16 addr,
@@ -321,42 +428,74 @@ struct ksz_dev_ops {
void (*get_caps)(struct ksz_device *dev, int port,
struct phylink_config *config);
int (*change_mtu)(struct ksz_device *dev, int port, int mtu);
+ int (*pme_write8)(struct ksz_device *dev, u32 reg, u8 value);
+ int (*pme_pread8)(struct ksz_device *dev, int port, int offset,
+ u8 *data);
+ int (*pme_pwrite8)(struct ksz_device *dev, int port, int offset,
+ u8 data);
void (*freeze_mib)(struct ksz_device *dev, int port, bool freeze);
void (*port_init_cnt)(struct ksz_device *dev, int port);
- void (*phylink_mac_config)(struct ksz_device *dev, int port,
- unsigned int mode,
- const struct phylink_link_state *state);
void (*phylink_mac_link_up)(struct ksz_device *dev, int port,
unsigned int mode,
phy_interface_t interface,
struct phy_device *phydev, int speed,
int duplex, bool tx_pause, bool rx_pause);
void (*setup_rgmii_delay)(struct ksz_device *dev, int port);
+ int (*tc_cbs_set_cinc)(struct ksz_device *dev, int port, u32 val);
void (*config_cpu_port)(struct dsa_switch *ds);
int (*enable_stp_addr)(struct ksz_device *dev);
int (*reset)(struct ksz_device *dev);
int (*init)(struct ksz_device *dev);
void (*exit)(struct ksz_device *dev);
+
+ int (*pcs_create)(struct ksz_device *dev);
};
struct ksz_device *ksz_switch_alloc(struct device *base, void *priv);
int ksz_switch_register(struct ksz_device *dev);
void ksz_switch_remove(struct ksz_device *dev);
+int ksz_switch_suspend(struct device *dev);
+int ksz_switch_resume(struct device *dev);
void ksz_init_mib_timer(struct ksz_device *dev);
+bool ksz_is_port_mac_global_usable(struct dsa_switch *ds, int port);
void ksz_r_mib_stats64(struct ksz_device *dev, int port);
void ksz88xx_r_mib_stats64(struct ksz_device *dev, int port);
void ksz_port_stp_state_set(struct dsa_switch *ds, int port, u8 state);
bool ksz_get_gbit(struct ksz_device *dev, int port);
phy_interface_t ksz_get_xmii(struct ksz_device *dev, int port, bool gbit);
extern const struct ksz_chip_data ksz_switch_chips[];
+int ksz_switch_macaddr_get(struct dsa_switch *ds, int port,
+ struct netlink_ext_ack *extack);
+void ksz_switch_macaddr_put(struct dsa_switch *ds);
+void ksz_switch_shutdown(struct ksz_device *dev);
+int ksz_handle_wake_reason(struct ksz_device *dev, int port);
/* Common register access functions */
+static inline struct regmap *ksz_regmap_8(struct ksz_device *dev)
+{
+ return dev->regmap[KSZ_REGMAP_8];
+}
+
+static inline struct regmap *ksz_regmap_16(struct ksz_device *dev)
+{
+ return dev->regmap[KSZ_REGMAP_16];
+}
+
+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 int ksz_read8(struct ksz_device *dev, u32 reg, u8 *val)
{
unsigned int value;
- int ret = regmap_read(dev->regmap[0], reg, &value);
+ int ret = regmap_read(ksz_regmap_8(dev), reg, &value);
if (ret)
dev_err(dev->dev, "can't read 8bit reg: 0x%x %pe\n", reg,
@@ -369,7 +508,7 @@ 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(dev->regmap[1], reg, &value);
+ int ret = regmap_read(ksz_regmap_16(dev), reg, &value);
if (ret)
dev_err(dev->dev, "can't read 16bit reg: 0x%x %pe\n", reg,
@@ -382,7 +521,7 @@ 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(dev->regmap[2], reg, &value);
+ int ret = regmap_read(ksz_regmap_32(dev), reg, &value);
if (ret)
dev_err(dev->dev, "can't read 32bit reg: 0x%x %pe\n", reg,
@@ -397,7 +536,7 @@ static inline int ksz_read64(struct ksz_device *dev, u32 reg, u64 *val)
u32 value[2];
int ret;
- ret = regmap_bulk_read(dev->regmap[2], reg, value, 2);
+ ret = regmap_bulk_read(ksz_regmap_32(dev), reg, value, 2);
if (ret)
dev_err(dev->dev, "can't read 64bit reg: 0x%x %pe\n", reg,
ERR_PTR(ret));
@@ -411,7 +550,7 @@ static inline int ksz_write8(struct ksz_device *dev, u32 reg, u8 value)
{
int ret;
- ret = regmap_write(dev->regmap[0], reg, value);
+ ret = regmap_write(ksz_regmap_8(dev), reg, value);
if (ret)
dev_err(dev->dev, "can't write 8bit reg: 0x%x %pe\n", reg,
ERR_PTR(ret));
@@ -423,7 +562,7 @@ static inline int ksz_write16(struct ksz_device *dev, u32 reg, u16 value)
{
int ret;
- ret = regmap_write(dev->regmap[1], reg, value);
+ ret = regmap_write(ksz_regmap_16(dev), reg, value);
if (ret)
dev_err(dev->dev, "can't write 16bit reg: 0x%x %pe\n", reg,
ERR_PTR(ret));
@@ -435,7 +574,7 @@ static inline int ksz_write32(struct ksz_device *dev, u32 reg, u32 value)
{
int ret;
- ret = regmap_write(dev->regmap[2], reg, value);
+ ret = regmap_write(ksz_regmap_32(dev), reg, value);
if (ret)
dev_err(dev->dev, "can't write 32bit reg: 0x%x %pe\n", reg,
ERR_PTR(ret));
@@ -443,6 +582,32 @@ static inline int ksz_write32(struct ksz_device *dev, u32 reg, u32 value)
return ret;
}
+static inline int ksz_rmw16(struct ksz_device *dev, u32 reg, u16 mask,
+ u16 value)
+{
+ int ret;
+
+ ret = regmap_update_bits(ksz_regmap_16(dev), reg, mask, value);
+ if (ret)
+ dev_err(dev->dev, "can't rmw 16bit reg 0x%x: %pe\n", reg,
+ ERR_PTR(ret));
+
+ return ret;
+}
+
+static inline int ksz_rmw32(struct ksz_device *dev, u32 reg, u32 mask,
+ u32 value)
+{
+ int ret;
+
+ ret = regmap_update_bits(ksz_regmap_32(dev), reg, mask, value);
+ if (ret)
+ dev_err(dev->dev, "can't rmw 32bit reg 0x%x: %pe\n", reg,
+ ERR_PTR(ret));
+
+ return ret;
+}
+
static inline int ksz_write64(struct ksz_device *dev, u32 reg, u64 value)
{
u32 val[2];
@@ -452,12 +617,19 @@ 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(dev->regmap[2], reg, val, 2);
+ return regmap_bulk_write(ksz_regmap_32(dev), reg, val, 2);
}
static inline int ksz_rmw8(struct ksz_device *dev, int offset, u8 mask, u8 val)
{
- return regmap_update_bits(dev->regmap[0], offset, mask, val);
+ int ret;
+
+ ret = regmap_update_bits(ksz_regmap_8(dev), offset, mask, val);
+ if (ret)
+ dev_err(dev->dev, "can't rmw 8bit reg 0x%x: %pe\n", offset,
+ ERR_PTR(ret));
+
+ return ret;
}
static inline int ksz_pread8(struct ksz_device *dev, int port, int offset,
@@ -498,12 +670,18 @@ static inline int ksz_pwrite32(struct ksz_device *dev, int port, int offset,
data);
}
-static inline void ksz_prmw8(struct ksz_device *dev, int port, int offset,
- u8 mask, u8 val)
+static inline int ksz_prmw8(struct ksz_device *dev, int port, int offset,
+ u8 mask, u8 val)
{
- regmap_update_bits(dev->regmap[0],
- dev->dev_ops->get_port_addr(port, offset),
- mask, val);
+ return ksz_rmw8(dev, dev->dev_ops->get_port_addr(port, offset),
+ mask, val);
+}
+
+static inline int ksz_prmw32(struct ksz_device *dev, int port, int offset,
+ u32 mask, u32 val)
+{
+ return ksz_rmw32(dev, dev->dev_ops->get_port_addr(port, offset),
+ mask, val);
}
static inline void ksz_regmap_lock(void *__mtx)
@@ -518,9 +696,39 @@ static inline void ksz_regmap_unlock(void *__mtx)
mutex_unlock(mtx);
}
+static inline bool ksz_is_ksz87xx(struct ksz_device *dev)
+{
+ return dev->chip_id == KSZ8795_CHIP_ID ||
+ dev->chip_id == KSZ8794_CHIP_ID ||
+ dev->chip_id == KSZ8765_CHIP_ID;
+}
+
static inline bool ksz_is_ksz88x3(struct ksz_device *dev)
{
- return dev->chip_id == KSZ8830_CHIP_ID;
+ return dev->chip_id == KSZ88X3_CHIP_ID;
+}
+
+static inline bool ksz_is_8895_family(struct ksz_device *dev)
+{
+ return dev->chip_id == KSZ8895_CHIP_ID ||
+ dev->chip_id == KSZ8864_CHIP_ID;
+}
+
+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_ksz8463(dev);
+}
+
+static inline bool is_ksz88xx(struct ksz_device *dev)
+{
+ return ksz_is_ksz88x3(dev) || ksz_is_8895_family(dev) ||
+ ksz_is_ksz8463(dev);
+}
+
+static inline bool is_ksz9477(struct ksz_device *dev)
+{
+ return dev->chip_id == KSZ9477_CHIP_ID;
}
static inline int is_lan937x(struct ksz_device *dev)
@@ -532,6 +740,27 @@ static inline int is_lan937x(struct ksz_device *dev)
dev->chip_id == LAN9374_CHIP_ID;
}
+static inline bool is_lan937x_tx_phy(struct ksz_device *dev, int port)
+{
+ return (dev->chip_id == LAN9371_CHIP_ID ||
+ dev->chip_id == LAN9372_CHIP_ID) && port == KSZ_PORT_4;
+}
+
+static inline int ksz_get_sgmii_port(struct ksz_device *dev)
+{
+ return dev->info->sgmii_port - 1;
+}
+
+static inline bool ksz_has_sgmii_port(struct ksz_device *dev)
+{
+ return dev->info->sgmii_port > 0;
+}
+
+static inline bool ksz_is_sgmii_port(struct ksz_device *dev, int port)
+{
+ return dev->info->sgmii_port == port + 1;
+}
+
/* STP State Defines */
#define PORT_TX_ENABLE BIT(2)
#define PORT_RX_ENABLE BIT(1)
@@ -541,8 +770,10 @@ static inline int is_lan937x(struct ksz_device *dev)
#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
#define KSZ8_PORT_STATUS_0 0x08
#define KSZ8_PORT_FIBER_MODE BIT(7)
@@ -551,6 +782,12 @@ static inline int is_lan937x(struct ksz_device *dev)
#define KSZ87_CHIP_ID_94 0x6
#define KSZ87_CHIP_ID_95 0x9
#define KSZ88_CHIP_ID_63 0x3
+#define KSZ8895_CHIP_ID_95 0x4
+#define KSZ8895_CHIP_ID_95R 0x6
+
+/* KSZ8895 specific register */
+#define REG_KSZ8864_CHIP_ID 0xFE
+#define SW_KSZ8864 BIT(7)
#define SW_REV_ID_M GENMASK(7, 4)
@@ -583,6 +820,17 @@ static inline int is_lan937x(struct ksz_device *dev)
#define P_MII_MAC_MODE BIT(2)
#define P_MII_SEL_M 0x3
+/* KSZ9477, KSZ87xx Wake-on-LAN (WoL) masks */
+#define PME_WOL_MAGICPKT BIT(2)
+#define PME_WOL_LINKUP BIT(1)
+#define PME_WOL_ENERGY BIT(0)
+
+#define PME_ENABLE BIT(1)
+#define PME_POLARITY BIT(0)
+
+#define KSZ87XX_REG_INT_EN 0x7D
+#define KSZ87XX_INT_PME_MASK BIT(4)
+
/* Interrupt */
#define REG_SW_PORT_INT_STATUS__1 0x001B
#define REG_SW_PORT_INT_MASK__1 0x001F
@@ -591,6 +839,7 @@ static inline int is_lan937x(struct ksz_device *dev)
#define REG_PORT_INT_MASK 0x001F
#define PORT_SRC_PHY_INT 1
+#define PORT_SRC_PTP_INT 2
#define KSZ8795_HUGE_PACKET_SIZE 2000
#define KSZ8863_HUGE_PACKET_SIZE 1916
@@ -598,6 +847,71 @@ static inline int is_lan937x(struct ksz_device *dev)
#define KSZ8_LEGAL_PACKET_SIZE 1518
#define KSZ9477_MAX_FRAME_SIZE 9000
+#define KSZ8873_REG_GLOBAL_CTRL_12 0x0e
+/* Drive Strength of I/O Pad
+ * 0: 8mA, 1: 16mA
+ */
+#define KSZ8873_DRIVE_STRENGTH_16MA BIT(6)
+
+#define KSZ8795_REG_SW_CTRL_20 0xa3
+#define KSZ9477_REG_SW_IO_STRENGTH 0x010d
+#define SW_DRIVE_STRENGTH_M 0x7
+#define SW_DRIVE_STRENGTH_2MA 0
+#define SW_DRIVE_STRENGTH_4MA 1
+#define SW_DRIVE_STRENGTH_8MA 2
+#define SW_DRIVE_STRENGTH_12MA 3
+#define SW_DRIVE_STRENGTH_16MA 4
+#define SW_DRIVE_STRENGTH_20MA 5
+#define SW_DRIVE_STRENGTH_24MA 6
+#define SW_DRIVE_STRENGTH_28MA 7
+#define SW_HI_SPEED_DRIVE_STRENGTH_S 4
+#define SW_LO_SPEED_DRIVE_STRENGTH_S 0
+
+/* TXQ Split Control Register for per-port, per-queue configuration.
+ * Register 0xAF is TXQ Split for Q3 on Port 1.
+ * Register offset formula: 0xAF + (port * 4) + (3 - queue)
+ * where: port = 0..2, queue = 0..3
+ */
+#define KSZ8873_TXQ_SPLIT_CTRL_REG(port, queue) \
+ (0xAF + ((port) * 4) + (3 - (queue)))
+
+/* Bit 7 selects between:
+ * 0 = Strict priority mode (highest-priority queue first)
+ * 1 = Weighted Fair Queuing (WFQ) mode:
+ * Queue weights: Q3:Q2:Q1:Q0 = 8:4:2:1
+ * If any queues are empty, weight is redistributed.
+ *
+ * Note: This is referred to as "Weighted Fair Queuing" (WFQ) in KSZ8863/8873
+ * documentation, and as "Weighted Round Robin" (WRR) in KSZ9477 family docs.
+ */
+#define KSZ8873_TXQ_WFQ_ENABLE BIT(7)
+
+#define KSZ9477_REG_PORT_OUT_RATE_0 0x0420
+#define KSZ9477_OUT_RATE_NO_LIMIT 0
+
+#define KSZ9477_PORT_MRI_TC_MAP__4 0x0808
+
+#define KSZ9477_PORT_TC_MAP_S 4
+
+/* CBS related registers */
+#define REG_PORT_MTI_QUEUE_INDEX__4 0x0900
+
+#define REG_PORT_MTI_QUEUE_CTRL_0 0x0914
+
+#define MTI_SCHEDULE_MODE_M GENMASK(7, 6)
+#define MTI_SCHEDULE_STRICT_PRIO 0
+#define MTI_SCHEDULE_WRR 2
+#define MTI_SHAPING_M GENMASK(5, 4)
+#define MTI_SHAPING_OFF 0
+#define MTI_SHAPING_SRP 1
+#define MTI_SHAPING_TIME_AWARE 2
+
+#define KSZ9477_PORT_MTI_QUEUE_CTRL_1 0x0915
+#define KSZ9477_DEFAULT_WRR_WEIGHT 1
+
+#define REG_PORT_MTI_HI_WATER_MARK 0x0916
+#define REG_PORT_MTI_LO_WATER_MARK 0x0918
+
/* Regmap tables generation */
#define KSZ_SPI_OP_RD 3
#define KSZ_SPI_OP_WR 2
@@ -630,9 +944,34 @@ static inline int is_lan937x(struct ksz_device *dev)
#define KSZ_REGMAP_TABLE(ksz, swp, regbits, regpad, regalign) \
static const struct regmap_config ksz##_regmap_config[] = { \
- KSZ_REGMAP_ENTRY(8, swp, (regbits), (regpad), (regalign)), \
- KSZ_REGMAP_ENTRY(16, swp, (regbits), (regpad), (regalign)), \
- KSZ_REGMAP_ENTRY(32, swp, (regbits), (regpad), (regalign)), \
+ [KSZ_REGMAP_8] = KSZ_REGMAP_ENTRY(8, swp, (regbits), (regpad), (regalign)), \
+ [KSZ_REGMAP_16] = KSZ_REGMAP_ENTRY(16, swp, (regbits), (regpad), (regalign)), \
+ [KSZ_REGMAP_32] = KSZ_REGMAP_ENTRY(32, swp, (regbits), (regpad), (regalign)), \
+ }
+
+#define KSZ8463_REGMAP_ENTRY(width, regbits, regpad, regalign) \
+ { \
+ .name = #width, \
+ .val_bits = (width), \
+ .reg_stride = (width / 8), \
+ .reg_bits = (regbits) + (regalign), \
+ .pad_bits = (regpad), \
+ .read = ksz8463_spi_read, \
+ .write = ksz8463_spi_write, \
+ .max_register = BIT(regbits) - 1, \
+ .cache_type = REGCACHE_NONE, \
+ .zero_flag_mask = 1, \
+ .use_single_read = 1, \
+ .use_single_write = 1, \
+ .lock = ksz_regmap_lock, \
+ .unlock = ksz_regmap_unlock, \
+ }
+
+#define KSZ8463_REGMAP_TABLE(ksz, regbits, regpad, regalign) \
+ static const struct regmap_config ksz##_regmap_config[] = { \
+ [KSZ_REGMAP_8] = KSZ8463_REGMAP_ENTRY(8, (regbits), (regpad), (regalign)), \
+ [KSZ_REGMAP_16] = KSZ8463_REGMAP_ENTRY(16, (regbits), (regpad), (regalign)), \
+ [KSZ_REGMAP_32] = KSZ8463_REGMAP_ENTRY(32, (regbits), (regpad), (regalign)), \
}
#endif