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2022-07-02net: dsa: microchip: add DSA support for microchip LAN937xArun Ramadoss1-1/+1
Basic DSA driver support for lan937x and the device will be configured through SPI interface. It adds the lan937x_dev_ops in ksz_common.c file and tries to reuse the functionality of ksz9477 series switch. drivers/net/dsa/microchip/ path is already part of MAINTAINERS & the new files come under this path. Hence no update needed to the MAINTAINERS Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-06-24net: dsa: microchip: common ksz_spi_probe for ksz switchesArun Ramadoss1-13/+3
As of now, there are two spi probes, one ksz8795_spi.c and other ksz9477_spi.c. This patch combines two files into single ksz_spi.c. The difference between the two are regmap config and struct ksz8. The regmap config is assigned based on the platform data. And struct ksz8 is left untouched, as it is used only ksz8795.c. It can be used for all other switches also in future. Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-06-24net: dsa: microchip: common menuconfig for ksz series switchArun Ramadoss1-19/+9
This patch replaces the two different menuconfig for ksz9477 and ksz8795 to single ksz_common. so that it can be extended for the other switch like lan937x. And removes the export_symbols for the extern functions in the ksz_common.h. Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-27net: dsa: microchip: Add Microchip KSZ8863 SMI based driver supportMichael Grzeschik1-1/+9
Add KSZ88X3 driver support. We add support for the KXZ88X3 three port switches using the Microchip SMI Interface. They are supported using the MDIO-Bitbang Interface. Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-31net: dsa: ksz: Select KSZ protocol tagCodrin Ciubotariu1-0/+1
KSZ protocol tag is needed by the KSZ DSA drivers. Fixes: 0b9f9dfbfab4 ("dsa: Allow tag drivers to be built as modules") Tested-by: Cristian Birsan <cristian.birsan@microchip.com> Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-12net: dsa: microchip: add KSZ9477 I2C driverTristram Ha1-0/+7
Add KSZ9477 I2C driver support. The code ksz9477.c and ksz_common.c are used together to generate the I2C driver. Signed-off-by: Tristram Ha <Tristram.Ha@microchip.com> [george.mccollister@gmail.com: bring up to date, use ksz_common regmap macros] Signed-off-by: George McCollister <george.mccollister@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-06net: dsa: ksz: Drop NET_DSA_TAG_KSZ9477Marek Vasut1-1/+0
This Kconfig option is unused, drop it. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Andrew Lunn <andrew@lunn.ch> Cc: David S. Miller <davem@davemloft.net> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Tristram Ha <Tristram.Ha@microchip.com> Cc: Vivien Didelot <vivien.didelot@gmail.com> Cc: Woojung Huh <woojung.huh@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-30net: dsa: ksz: Add Microchip KSZ8795 DSA driverTristram Ha1-0/+17
Add Microchip KSZ8795 DSA driver. Signed-off-by: Tristram Ha <Tristram.Ha@microchip.com> Signed-off-by: Marek Vasut <marex@denx.de> Cc: Andrew Lunn <andrew@lunn.ch> Cc: David S. Miller <davem@davemloft.net> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Tristram Ha <Tristram.Ha@microchip.com> Cc: Vivien Didelot <vivien.didelot@gmail.com> Cc: Woojung Huh <woojung.huh@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-27net: dsa: microchip: Initial SPI regmap supportMarek Vasut1-0/+1
Add basic SPI regmap support into the driver. Previous patches unconver that ksz_spi_write() is always ever called with len = 1, 2 or 4. We can thus drop the if (len > SPI_TX_BUF_LEN) check and we can also drop the allocation of the txbuf which is part of the driver data and wastes 256 bytes for no reason. Regmap covers the whole thing now. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Tristram Ha <Tristram.Ha@microchip.com> Cc: Woojung Huh <Woojung.Huh@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner1-0/+1
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-16net: dsa: ksz: Rename NET_DSA_TAG_KSZ to _KSZ9477Tristram Ha1-1/+1
Rename the tag Kconfig option and related macros in preparation for addition of new KSZ family switches with different tag formats. Signed-off-by: Tristram Ha <Tristram.Ha@microchip.com> Signed-off-by: Marek Vasut <marex@denx.de> Cc: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Cc: Woojung Huh <woojung.huh@microchip.com> Cc: David S. Miller <davem@davemloft.net> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-20net: dsa: microchip: break KSZ9477 DSA driver into two filesTristram Ha1-0/+4
Break KSZ9477 DSA driver into two files in preparation to add more KSZ switch drivers. Add common functions in ksz_common.h so that other KSZ switch drivers can access code in ksz_common.c. Add ksz_spi.h for common functions used by KSZ switch SPI drivers. Signed-off-by: Tristram Ha <Tristram.Ha@microchip.com> Reviewed-by: Woojung Huh <Woojung.Huh@microchip.com> Reviewed-by: Pavel Machek <pavel@ucw.cz> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-20net: dsa: microchip: rename ksz_spi.c to ksz9477_spi.cTristram Ha1-6/+6
Rename ksz_spi.c to ksz9477_spi.c and update Kconfig in preparation to add more KSZ switch drivers. Signed-off-by: Tristram Ha <Tristram.Ha@microchip.com> Reviewed-by: Woojung Huh <Woojung.Huh@microchip.com> Reviewed-by: Pavel Machek <pavel@ucw.cz> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-31dsa: add DSA switch driver for Microchip KSZ9477Woojung Huh1-0/+12
The KSZ9477 is a fully integrated layer 2, managed, 7 ports GigE switch with numerous advanced features. 5 ports incorporate 10/100/1000 Mbps PHYs. The other 2 ports have interfaces that can be configured as SGMII, RGMII, MII or RMII. Either of these may connect directly to a host processor or to an external PHY. The SGMII port may interface to a fiber optic transceiver. This driver currently supports vlan, fdb, mdb & mirror dsa switch operations. Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Woojung Huh <Woojung.Huh@microchip.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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