summaryrefslogtreecommitdiff
path: root/drivers/net/dsa/microchip
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/dsa/microchip')
-rw-r--r--drivers/net/dsa/microchip/Kconfig9
-rw-r--r--drivers/net/dsa/microchip/Makefile2
-rw-r--r--drivers/net/dsa/microchip/ksz8.c (renamed from drivers/net/dsa/microchip/ksz8795.c)29
-rw-r--r--drivers/net/dsa/microchip/ksz8863_smi.c4
-rw-r--r--drivers/net/dsa/microchip/ksz8_reg.h (renamed from drivers/net/dsa/microchip/ksz8795_reg.h)15
-rw-r--r--drivers/net/dsa/microchip/ksz_common.c183
-rw-r--r--drivers/net/dsa/microchip/ksz_common.h29
-rw-r--r--drivers/net/dsa/microchip/ksz_dcb.c2
-rw-r--r--drivers/net/dsa/microchip/ksz_spi.c21
9 files changed, 232 insertions, 62 deletions
diff --git a/drivers/net/dsa/microchip/Kconfig b/drivers/net/dsa/microchip/Kconfig
index c1b906c05a02..12a86585a77f 100644
--- a/drivers/net/dsa/microchip/Kconfig
+++ b/drivers/net/dsa/microchip/Kconfig
@@ -1,14 +1,17 @@
# SPDX-License-Identifier: GPL-2.0-only
menuconfig NET_DSA_MICROCHIP_KSZ_COMMON
- tristate "Microchip KSZ8795/KSZ9477/LAN937x series switch support"
+ tristate "Microchip KSZ8XXX/KSZ9XXX/LAN937X series switch support"
depends on NET_DSA
select NET_DSA_TAG_KSZ
select NET_DSA_TAG_NONE
select NET_IEEE8021Q_HELPERS
select DCB
help
- This driver adds support for Microchip KSZ9477 series switch and
- KSZ8795/KSZ88x3 switch chips.
+ This driver adds support for Microchip KSZ8, KSZ9 and
+ LAN937X series switch chips, being KSZ8863/8873,
+ KSZ8895/8864, KSZ8794/8795/8765,
+ KSZ9477/9897/9896/9567/8567, KSZ9893/9563/8563 and
+ LAN9370/9371/9372/9373/9374.
config NET_DSA_MICROCHIP_KSZ9477_I2C
tristate "KSZ series I2C connected switch driver"
diff --git a/drivers/net/dsa/microchip/Makefile b/drivers/net/dsa/microchip/Makefile
index 1cfba1ec9355..9347cfb3d0b5 100644
--- a/drivers/net/dsa/microchip/Makefile
+++ b/drivers/net/dsa/microchip/Makefile
@@ -2,7 +2,7 @@
obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ_COMMON) += ksz_switch.o
ksz_switch-objs := ksz_common.o ksz_dcb.o
ksz_switch-objs += ksz9477.o ksz9477_acl.o ksz9477_tc_flower.o
-ksz_switch-objs += ksz8795.o
+ksz_switch-objs += ksz8.o
ksz_switch-objs += lan937x_main.o
ifdef CONFIG_NET_DSA_MICROCHIP_KSZ_PTP
diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8.c
index a01079297a8c..da7110d67558 100644
--- a/drivers/net/dsa/microchip/ksz8795.c
+++ b/drivers/net/dsa/microchip/ksz8.c
@@ -1,6 +1,13 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Microchip KSZ8795 switch driver
+ * Microchip KSZ8XXX series switch driver
+ *
+ * It supports the following switches:
+ * - KSZ8863, KSZ8873 aka KSZ88X3
+ * - KSZ8895, KSZ8864 aka KSZ8895 family
+ * - KSZ8794, KSZ8795, KSZ8765 aka KSZ87XX
+ * Note that it does NOT support:
+ * - KSZ8563, KSZ8567 - see KSZ9477 driver
*
* Copyright (C) 2017 Microchip Technology Inc.
* Tristram Ha <Tristram.Ha@microchip.com>
@@ -23,7 +30,7 @@
#include <linux/phylink.h>
#include "ksz_common.h"
-#include "ksz8795_reg.h"
+#include "ksz8_reg.h"
#include "ksz8.h"
static void ksz_cfg(struct ksz_device *dev, u32 addr, u8 bits, bool set)
@@ -187,7 +194,9 @@ 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 KSZ8830_CHIP_ID:
+ case KSZ88X3_CHIP_ID:
+ case KSZ8864_CHIP_ID:
+ case KSZ8895_CHIP_ID:
return ksz8863_change_mtu(dev, frame_size);
}
@@ -384,7 +393,7 @@ static void ksz8863_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
void ksz8_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
u64 *dropped, u64 *cnt)
{
- if (ksz_is_ksz88x3(dev))
+ if (is_ksz88xx(dev))
ksz8863_r_mib_pkt(dev, port, addr, dropped, cnt);
else
ksz8795_r_mib_pkt(dev, port, addr, dropped, cnt);
@@ -392,7 +401,7 @@ void ksz8_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
void ksz8_freeze_mib(struct ksz_device *dev, int port, bool freeze)
{
- if (ksz_is_ksz88x3(dev))
+ if (is_ksz88xx(dev))
return;
/* enable the port for flush/freeze function */
@@ -410,7 +419,8 @@ void ksz8_port_init_cnt(struct ksz_device *dev, int port)
struct ksz_port_mib *mib = &dev->ports[port].mib;
u64 *dropped;
- if (!ksz_is_ksz88x3(dev)) {
+ /* For KSZ8795 family. */
+ if (ksz_is_ksz87xx(dev)) {
/* flush all enabled port MIB counters */
ksz_cfg(dev, REG_SW_CTRL_6, BIT(port), true);
ksz_cfg(dev, REG_SW_CTRL_6, SW_MIB_COUNTER_FLUSH, true);
@@ -609,11 +619,11 @@ static int ksz8_r_sta_mac_table(struct ksz_device *dev, u16 addr,
shifts[STATIC_MAC_FWD_PORTS];
alu->is_override = (data_hi & masks[STATIC_MAC_TABLE_OVERRIDE]) ? 1 : 0;
- /* KSZ8795 family switches have STATIC_MAC_TABLE_USE_FID and
+ /* KSZ8795/KSZ8895 family switches have STATIC_MAC_TABLE_USE_FID and
* STATIC_MAC_TABLE_FID definitions off by 1 when doing read on the
* static MAC table compared to doing write.
*/
- if (ksz_is_ksz87xx(dev))
+ if (ksz_is_ksz87xx(dev) || ksz_is_8895_family(dev))
data_hi >>= 1;
alu->is_static = true;
alu->is_use_fid = (data_hi & masks[STATIC_MAC_TABLE_USE_FID]) ? 1 : 0;
@@ -1692,7 +1702,8 @@ void ksz8_config_cpu_port(struct dsa_switch *ds)
for (i = 0; i < dev->phy_port_cnt; i++) {
p = &dev->ports[i];
- if (!ksz_is_ksz88x3(dev)) {
+ /* For KSZ8795 family. */
+ if (ksz_is_ksz87xx(dev)) {
ksz_pread8(dev, i, regs[P_REMOTE_STATUS], &remote);
if (remote & KSZ8_PORT_FIBER_MODE)
p->fiber = 1;
diff --git a/drivers/net/dsa/microchip/ksz8863_smi.c b/drivers/net/dsa/microchip/ksz8863_smi.c
index 5711a59e2ac9..a8bfcd917bf7 100644
--- a/drivers/net/dsa/microchip/ksz8863_smi.c
+++ b/drivers/net/dsa/microchip/ksz8863_smi.c
@@ -199,11 +199,11 @@ static void ksz8863_smi_shutdown(struct mdio_device *mdiodev)
static const struct of_device_id ksz8863_dt_ids[] = {
{
.compatible = "microchip,ksz8863",
- .data = &ksz_switch_chips[KSZ8830]
+ .data = &ksz_switch_chips[KSZ88X3]
},
{
.compatible = "microchip,ksz8873",
- .data = &ksz_switch_chips[KSZ8830]
+ .data = &ksz_switch_chips[KSZ88X3]
},
{ },
};
diff --git a/drivers/net/dsa/microchip/ksz8795_reg.h b/drivers/net/dsa/microchip/ksz8_reg.h
index 69566a5d9cda..329688603a58 100644
--- a/drivers/net/dsa/microchip/ksz8795_reg.h
+++ b/drivers/net/dsa/microchip/ksz8_reg.h
@@ -1,13 +1,18 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
- * Microchip KSZ8795 register definitions
+ * Microchip KSZ8XXX series register definitions
+ *
+ * The base for these definitions is KSZ8795 but unless indicated
+ * differently by their prefix, they apply to all KSZ8 series
+ * devices. Registers and masks that do change are defined in
+ * dedicated structures in ksz_common.c.
*
* Copyright (c) 2017 Microchip Technology Inc.
* Tristram Ha <Tristram.Ha@microchip.com>
*/
-#ifndef __KSZ8795_REG_H
-#define __KSZ8795_REG_H
+#ifndef __KSZ8_REG_H
+#define __KSZ8_REG_H
#define KS_PORT_M 0x1F
@@ -359,8 +364,6 @@
#define REG_IND_DATA_1 0x77
#define REG_IND_DATA_0 0x78
-#define REG_IND_DATA_PME_EEE_ACL 0xA0
-
#define REG_INT_STATUS 0x7C
#define REG_INT_ENABLE 0x7D
@@ -704,8 +707,6 @@
#define KSZ8795_ID_LO 0x1550
#define KSZ8863_ID_LO 0x1430
-#define KSZ8795_SW_ID 0x8795
-
#define PHY_REG_LINK_MD 0x1D
#define PHY_START_CABLE_DIAG BIT(15)
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index cd3991792b69..4e8710c7cb7b 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -2,7 +2,7 @@
/*
* Microchip switch driver main logic
*
- * Copyright (C) 2017-2019 Microchip Technology Inc.
+ * Copyright (C) 2017-2024 Microchip Technology Inc.
*/
#include <linux/delay.h>
@@ -246,16 +246,16 @@ static const struct ksz_drive_strength ksz9477_drive_strengths[] = {
{ SW_DRIVE_STRENGTH_28MA, 28000 },
};
-/* ksz8830_drive_strengths - Drive strength mapping for KSZ8830, KSZ8873, ..
+/* ksz88x3_drive_strengths - Drive strength mapping for KSZ8863, KSZ8873, ..
* variants.
* This values are documented in KSZ8873 and KSZ8863 datasheets.
*/
-static const struct ksz_drive_strength ksz8830_drive_strengths[] = {
+static const struct ksz_drive_strength ksz88x3_drive_strengths[] = {
{ 0, 8000 },
{ KSZ8873_DRIVE_STRENGTH_16MA, 16000 },
};
-static void ksz8830_phylink_mac_config(struct phylink_config *config,
+static void ksz88x3_phylink_mac_config(struct phylink_config *config,
unsigned int mode,
const struct phylink_link_state *state);
static void ksz_phylink_mac_config(struct phylink_config *config,
@@ -265,8 +265,8 @@ static void ksz_phylink_mac_link_down(struct phylink_config *config,
unsigned int mode,
phy_interface_t interface);
-static const struct phylink_mac_ops ksz8830_phylink_mac_ops = {
- .mac_config = ksz8830_phylink_mac_config,
+static const struct phylink_mac_ops ksz88x3_phylink_mac_ops = {
+ .mac_config = ksz88x3_phylink_mac_config,
.mac_link_down = ksz_phylink_mac_link_down,
.mac_link_up = ksz8_phylink_mac_link_up,
};
@@ -277,7 +277,7 @@ static const struct phylink_mac_ops ksz8_phylink_mac_ops = {
.mac_link_up = ksz8_phylink_mac_link_up,
};
-static const struct ksz_dev_ops ksz88x3_dev_ops = {
+static const struct ksz_dev_ops ksz88xx_dev_ops = {
.setup = ksz8_setup,
.get_port_addr = ksz8_get_port_addr,
.cfg_port_member = ksz8_cfg_port_member,
@@ -572,6 +572,61 @@ static u8 ksz8863_shifts[] = {
[DYNAMIC_MAC_SRC_PORT] = 20,
};
+static const u16 ksz8895_regs[] = {
+ [REG_SW_MAC_ADDR] = 0x68,
+ [REG_IND_CTRL_0] = 0x6E,
+ [REG_IND_DATA_8] = 0x70,
+ [REG_IND_DATA_CHECK] = 0x72,
+ [REG_IND_DATA_HI] = 0x71,
+ [REG_IND_DATA_LO] = 0x75,
+ [REG_IND_MIB_CHECK] = 0x75,
+ [P_FORCE_CTRL] = 0x0C,
+ [P_LINK_STATUS] = 0x0E,
+ [P_LOCAL_CTRL] = 0x0C,
+ [P_NEG_RESTART_CTRL] = 0x0D,
+ [P_REMOTE_STATUS] = 0x0E,
+ [P_SPEED_STATUS] = 0x09,
+ [S_TAIL_TAG_CTRL] = 0x0C,
+ [P_STP_CTRL] = 0x02,
+ [S_START_CTRL] = 0x01,
+ [S_BROADCAST_CTRL] = 0x06,
+ [S_MULTICAST_CTRL] = 0x04,
+};
+
+static const u32 ksz8895_masks[] = {
+ [PORT_802_1P_REMAPPING] = BIT(7),
+ [SW_TAIL_TAG_ENABLE] = BIT(1),
+ [MIB_COUNTER_OVERFLOW] = BIT(7),
+ [MIB_COUNTER_VALID] = BIT(6),
+ [VLAN_TABLE_FID] = GENMASK(6, 0),
+ [VLAN_TABLE_MEMBERSHIP] = GENMASK(11, 7),
+ [VLAN_TABLE_VALID] = BIT(12),
+ [STATIC_MAC_TABLE_VALID] = BIT(21),
+ [STATIC_MAC_TABLE_USE_FID] = BIT(23),
+ [STATIC_MAC_TABLE_FID] = GENMASK(30, 24),
+ [STATIC_MAC_TABLE_OVERRIDE] = BIT(22),
+ [STATIC_MAC_TABLE_FWD_PORTS] = GENMASK(20, 16),
+ [DYNAMIC_MAC_TABLE_ENTRIES_H] = GENMASK(6, 0),
+ [DYNAMIC_MAC_TABLE_MAC_EMPTY] = BIT(7),
+ [DYNAMIC_MAC_TABLE_NOT_READY] = BIT(7),
+ [DYNAMIC_MAC_TABLE_ENTRIES] = GENMASK(31, 29),
+ [DYNAMIC_MAC_TABLE_FID] = GENMASK(22, 16),
+ [DYNAMIC_MAC_TABLE_SRC_PORT] = GENMASK(26, 24),
+ [DYNAMIC_MAC_TABLE_TIMESTAMP] = GENMASK(28, 27),
+};
+
+static const u8 ksz8895_shifts[] = {
+ [VLAN_TABLE_MEMBERSHIP_S] = 7,
+ [VLAN_TABLE] = 13,
+ [STATIC_MAC_FWD_PORTS] = 16,
+ [STATIC_MAC_FID] = 24,
+ [DYNAMIC_MAC_ENTRIES_H] = 3,
+ [DYNAMIC_MAC_ENTRIES] = 29,
+ [DYNAMIC_MAC_FID] = 16,
+ [DYNAMIC_MAC_TIMESTAMP] = 27,
+ [DYNAMIC_MAC_SRC_PORT] = 24,
+};
+
static const u16 ksz9477_regs[] = {
[REG_SW_MAC_ADDR] = 0x0302,
[P_STP_CTRL] = 0x0B04,
@@ -1387,8 +1442,8 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.internal_phy = {true, true, true, true, false},
},
- [KSZ8830] = {
- .chip_id = KSZ8830_CHIP_ID,
+ [KSZ88X3] = {
+ .chip_id = KSZ88X3_CHIP_ID,
.dev_name = "KSZ8863/KSZ8873",
.num_vlans = 16,
.num_alus = 0,
@@ -1397,8 +1452,8 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.port_cnt = 3,
.num_tx_queues = 4,
.num_ipms = 4,
- .ops = &ksz88x3_dev_ops,
- .phylink_mac_ops = &ksz8830_phylink_mac_ops,
+ .ops = &ksz88xx_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,
@@ -1412,6 +1467,61 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.rd_table = &ksz8873_register_set,
},
+ [KSZ8864] = {
+ /* WARNING
+ * =======
+ * KSZ8864 is similar to KSZ8895, except the first port
+ * does not exist.
+ * external cpu
+ * KSZ8864 1,2,3 4
+ * KSZ8895 0,1,2,3 4
+ * port_cnt is configured as 5, even though it is 4
+ */
+ .chip_id = KSZ8864_CHIP_ID,
+ .dev_name = "KSZ8864",
+ .num_vlans = 4096,
+ .num_alus = 0,
+ .num_statics = 32,
+ .cpu_ports = 0x10, /* can be configured as cpu port */
+ .port_cnt = 5, /* total cpu and user ports */
+ .num_tx_queues = 4,
+ .num_ipms = 4,
+ .ops = &ksz88xx_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 = ksz8895_regs,
+ .masks = ksz8895_masks,
+ .shifts = ksz8895_shifts,
+ .supports_mii = {false, false, false, false, true},
+ .supports_rmii = {false, false, false, false, true},
+ .internal_phy = {false, true, true, true, false},
+ },
+
+ [KSZ8895] = {
+ .chip_id = KSZ8895_CHIP_ID,
+ .dev_name = "KSZ8895",
+ .num_vlans = 4096,
+ .num_alus = 0,
+ .num_statics = 32,
+ .cpu_ports = 0x10, /* can be configured as cpu port */
+ .port_cnt = 5, /* total cpu and user ports */
+ .num_tx_queues = 4,
+ .num_ipms = 4,
+ .ops = &ksz88xx_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 = ksz8895_regs,
+ .masks = ksz8895_masks,
+ .shifts = ksz8895_shifts,
+ .supports_mii = {false, false, false, false, true},
+ .supports_rmii = {false, false, false, false, true},
+ .internal_phy = {true, true, true, true, false},
+ },
+
[KSZ9477] = {
.chip_id = KSZ9477_CHIP_ID,
.dev_name = "KSZ9477",
@@ -2614,7 +2724,7 @@ static u32 ksz_get_phy_flags(struct dsa_switch *ds, int port)
struct ksz_device *dev = ds->priv;
switch (dev->chip_id) {
- case KSZ8830_CHIP_ID:
+ case KSZ88X3_CHIP_ID:
/* Silicon Errata Sheet (DS80000830A):
* Port 1 does not work with LinkMD Cable-Testing.
* Port 1 does not respond to received PAUSE control frames.
@@ -2937,12 +3047,10 @@ static enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds,
struct ksz_device *dev = ds->priv;
enum dsa_tag_protocol proto = DSA_TAG_PROTO_NONE;
- if (dev->chip_id == KSZ8795_CHIP_ID ||
- dev->chip_id == KSZ8794_CHIP_ID ||
- dev->chip_id == KSZ8765_CHIP_ID)
+ if (ksz_is_ksz87xx(dev) || ksz_is_8895_family(dev))
proto = DSA_TAG_PROTO_KSZ8795;
- if (dev->chip_id == KSZ8830_CHIP_ID ||
+ if (dev->chip_id == KSZ88X3_CHIP_ID ||
dev->chip_id == KSZ8563_CHIP_ID ||
dev->chip_id == KSZ9893_CHIP_ID ||
dev->chip_id == KSZ9563_CHIP_ID)
@@ -3054,7 +3162,9 @@ 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 KSZ8830_CHIP_ID:
+ case KSZ88X3_CHIP_ID:
+ case KSZ8864_CHIP_ID:
+ case KSZ8895_CHIP_ID:
return KSZ8863_HUGE_PACKET_SIZE - VLAN_ETH_HLEN - ETH_FCS_LEN;
case KSZ8563_CHIP_ID:
case KSZ8567_CHIP_ID:
@@ -3224,7 +3334,7 @@ phy_interface_t ksz_get_xmii(struct ksz_device *dev, int port, bool gbit)
return interface;
}
-static void ksz8830_phylink_mac_config(struct phylink_config *config,
+static void ksz88x3_phylink_mac_config(struct phylink_config *config,
unsigned int mode,
const struct phylink_link_state *state)
{
@@ -3408,10 +3518,22 @@ static int ksz_switch_detect(struct ksz_device *dev)
break;
case KSZ88_FAMILY_ID:
if (id2 == KSZ88_CHIP_ID_63)
- dev->chip_id = KSZ8830_CHIP_ID;
+ dev->chip_id = KSZ88X3_CHIP_ID;
else
return -ENODEV;
break;
+ case KSZ8895_FAMILY_ID:
+ if (id2 == KSZ8895_CHIP_ID_95 ||
+ id2 == KSZ8895_CHIP_ID_95R)
+ dev->chip_id = KSZ8895_CHIP_ID;
+ else
+ return -ENODEV;
+ ret = ksz_read8(dev, REG_KSZ8864_CHIP_ID, &id4);
+ if (ret)
+ return ret;
+ if (id4 & SW_KSZ8864)
+ dev->chip_id = KSZ8864_CHIP_ID;
+ break;
default:
ret = ksz_read32(dev, REG_CHIP_ID0, &id32);
if (ret)
@@ -4470,24 +4592,24 @@ static int ksz9477_drive_strength_write(struct ksz_device *dev,
}
/**
- * ksz8830_drive_strength_write() - Set the drive strength configuration for
- * KSZ8830 compatible chip variants.
+ * ksz88x3_drive_strength_write() - Set the drive strength configuration for
+ * KSZ8863 compatible chip variants.
* @dev: ksz device
* @props: Array of drive strength properties to be set
* @num_props: Number of properties in the array
*
- * This function applies the specified drive strength settings to KSZ8830 chip
+ * This function applies the specified drive strength settings to KSZ88X3 chip
* variants (KSZ8873, KSZ8863).
* It ensures the configurations align with what the chip variant supports and
* warns or errors out on unsupported settings.
*
* Return: 0 on success, error code otherwise
*/
-static int ksz8830_drive_strength_write(struct ksz_device *dev,
+static int ksz88x3_drive_strength_write(struct ksz_device *dev,
struct ksz_driver_strength_prop *props,
int num_props)
{
- size_t array_size = ARRAY_SIZE(ksz8830_drive_strengths);
+ size_t array_size = ARRAY_SIZE(ksz88x3_drive_strengths);
int microamp;
int i, ret;
@@ -4500,10 +4622,10 @@ static int ksz8830_drive_strength_write(struct ksz_device *dev,
}
microamp = props[KSZ_DRIVER_STRENGTH_IO].value;
- ret = ksz_drive_strength_to_reg(ksz8830_drive_strengths, array_size,
+ ret = ksz_drive_strength_to_reg(ksz88x3_drive_strengths, array_size,
microamp);
if (ret < 0) {
- ksz_drive_strength_error(dev, ksz8830_drive_strengths,
+ ksz_drive_strength_error(dev, ksz88x3_drive_strengths,
array_size, microamp);
return ret;
}
@@ -4563,8 +4685,8 @@ static int ksz_parse_drive_strength(struct ksz_device *dev)
return 0;
switch (dev->chip_id) {
- case KSZ8830_CHIP_ID:
- return ksz8830_drive_strength_write(dev, of_props,
+ case KSZ88X3_CHIP_ID:
+ return ksz88x3_drive_strength_write(dev, of_props,
ARRAY_SIZE(of_props));
case KSZ8795_CHIP_ID:
case KSZ8794_CHIP_ID:
@@ -4595,7 +4717,7 @@ static int ksz_parse_drive_strength(struct ksz_device *dev)
int ksz_switch_register(struct ksz_device *dev)
{
const struct ksz_chip_data *info;
- struct device_node *port, *ports;
+ struct device_node *ports;
phy_interface_t interface;
unsigned int port_num;
int ret;
@@ -4681,12 +4803,11 @@ int ksz_switch_register(struct ksz_device *dev)
if (!ports)
ports = of_get_child_by_name(dev->dev->of_node, "ports");
if (ports) {
- for_each_available_child_of_node(ports, port) {
+ for_each_available_child_of_node_scoped(ports, port) {
if (of_property_read_u32(port, "reg",
&port_num))
continue;
if (!(dev->port_mask & BIT(port_num))) {
- of_node_put(port);
of_node_put(ports);
return -EINVAL;
}
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h
index 8094d90d6ca4..bec846e20682 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) 2017-2024 Microchip Technology Inc.
*/
#ifndef __KSZ_COMMON_H
@@ -200,7 +200,9 @@ enum ksz_model {
KSZ8795,
KSZ8794,
KSZ8765,
- KSZ8830,
+ KSZ88X3,
+ KSZ8864,
+ KSZ8895,
KSZ9477,
KSZ9896,
KSZ9897,
@@ -626,12 +628,24 @@ static inline bool ksz_is_ksz87xx(struct ksz_device *dev)
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);
+ return ksz_is_ksz87xx(dev) || ksz_is_ksz88x3(dev) ||
+ ksz_is_8895_family(dev);
+}
+
+static inline bool is_ksz88xx(struct ksz_device *dev)
+{
+ return ksz_is_ksz88x3(dev) || ksz_is_8895_family(dev);
}
static inline bool is_ksz9477(struct ksz_device *dev)
@@ -665,6 +679,7 @@ static inline bool is_lan937x_tx_phy(struct ksz_device *dev, int port)
#define SW_FAMILY_ID_M GENMASK(15, 8)
#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)
@@ -673,6 +688,12 @@ static inline bool is_lan937x_tx_phy(struct ksz_device *dev, int port)
#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)
diff --git a/drivers/net/dsa/microchip/ksz_dcb.c b/drivers/net/dsa/microchip/ksz_dcb.c
index 086bc9b3cf53..30b4a6186e38 100644
--- a/drivers/net/dsa/microchip/ksz_dcb.c
+++ b/drivers/net/dsa/microchip/ksz_dcb.c
@@ -113,7 +113,7 @@ static void ksz_get_default_port_prio_reg(struct ksz_device *dev, int *reg,
static void ksz_get_dscp_prio_reg(struct ksz_device *dev, int *reg,
int *per_reg, u8 *mask)
{
- if (ksz_is_ksz87xx(dev)) {
+ if (ksz_is_ksz87xx(dev) || ksz_is_8895_family(dev)) {
*reg = KSZ8765_REG_TOS_DSCP_CTRL;
*per_reg = 4;
*mask = GENMASK(1, 0);
diff --git a/drivers/net/dsa/microchip/ksz_spi.c b/drivers/net/dsa/microchip/ksz_spi.c
index 8e8d83213b04..e3e341431f09 100644
--- a/drivers/net/dsa/microchip/ksz_spi.c
+++ b/drivers/net/dsa/microchip/ksz_spi.c
@@ -2,7 +2,7 @@
/*
* Microchip ksz series register access through SPI
*
- * Copyright (C) 2017 Microchip Technology Inc.
+ * Copyright (C) 2017-2024 Microchip Technology Inc.
* Tristram Ha <Tristram.Ha@microchip.com>
*/
@@ -54,12 +54,15 @@ static int ksz_spi_probe(struct spi_device *spi)
if (!chip)
return -EINVAL;
- if (chip->chip_id == KSZ8830_CHIP_ID)
+ if (chip->chip_id == KSZ88X3_CHIP_ID)
regmap_config = ksz8863_regmap_config;
else if (chip->chip_id == KSZ8795_CHIP_ID ||
chip->chip_id == KSZ8794_CHIP_ID ||
chip->chip_id == KSZ8765_CHIP_ID)
regmap_config = ksz8795_regmap_config;
+ else if (chip->chip_id == KSZ8895_CHIP_ID ||
+ chip->chip_id == KSZ8864_CHIP_ID)
+ regmap_config = ksz8863_regmap_config;
else
regmap_config = ksz9477_regmap_config;
@@ -134,11 +137,19 @@ static const struct of_device_id ksz_dt_ids[] = {
},
{
.compatible = "microchip,ksz8863",
- .data = &ksz_switch_chips[KSZ8830]
+ .data = &ksz_switch_chips[KSZ88X3]
+ },
+ {
+ .compatible = "microchip,ksz8864",
+ .data = &ksz_switch_chips[KSZ8864]
},
{
.compatible = "microchip,ksz8873",
- .data = &ksz_switch_chips[KSZ8830]
+ .data = &ksz_switch_chips[KSZ88X3]
+ },
+ {
+ .compatible = "microchip,ksz8895",
+ .data = &ksz_switch_chips[KSZ8895]
},
{
.compatible = "microchip,ksz9477",
@@ -201,7 +212,9 @@ static const struct spi_device_id ksz_spi_ids[] = {
{ "ksz8794" },
{ "ksz8795" },
{ "ksz8863" },
+ { "ksz8864" },
{ "ksz8873" },
+ { "ksz8895" },
{ "ksz9477" },
{ "ksz9896" },
{ "ksz9897" },
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-08 17:16:04 +0000