diff options
| author | Tristram Ha <tristram.ha@microchip.com> | 2024-08-26 21:43:08 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-08-27 16:14:18 -0700 |
| commit | a96c5515d0d15df103598b2bc57245d66143b5dd (patch) | |
| tree | d43cf5e153d6321e234fe7c230edc85c4000b971 /drivers/net/dsa/microchip/ksz_common.h | |
| parent | e3717f2ad1a2620730a7086e032ffa7242f8aa23 (diff) | |
net: dsa: microchip: Add KSZ8895/KSZ8864 switch support
KSZ8895/KSZ8864 is a switch family between KSZ8863/73 and KSZ8795, so it
shares some registers and functions in those switches already
implemented in the KSZ DSA driver.
Signed-off-by: Tristram Ha <tristram.ha@microchip.com>
Tested-by: Pieter Van Trappen <pieter.van.trappen@cern.ch>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/dsa/microchip/ksz_common.h')
| -rw-r--r-- | drivers/net/dsa/microchip/ksz_common.h | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index 8094d90d6ca4..e08d5a1339f4 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 @@ -201,6 +201,8 @@ enum ksz_model { KSZ8794, KSZ8765, KSZ8830, + KSZ8864, + KSZ8895, KSZ9477, KSZ9896, KSZ9897, @@ -629,9 +631,21 @@ static inline bool ksz_is_ksz88x3(struct ksz_device *dev) return dev->chip_id == KSZ8830_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) |