diff options
-rw-r--r-- | drivers/net/dsa/microchip/Kconfig | 7 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/Makefile | 1 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz9477.c | 9 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz9477_i2c.c | 101 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz9477_spi.c | 1 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz_common.h | 2 | ||||
-rw-r--r-- | net/dsa/Kconfig | 9 | ||||
-rw-r--r-- | net/dsa/Makefile | 2 |
8 files changed, 124 insertions, 8 deletions
diff --git a/drivers/net/dsa/microchip/Kconfig b/drivers/net/dsa/microchip/Kconfig index e1c23d1e91e6..1d7870c6df3c 100644 --- a/drivers/net/dsa/microchip/Kconfig +++ b/drivers/net/dsa/microchip/Kconfig @@ -9,6 +9,13 @@ menuconfig NET_DSA_MICROCHIP_KSZ9477 help This driver adds support for Microchip KSZ9477 switch chips. +config NET_DSA_MICROCHIP_KSZ9477_I2C + tristate "KSZ9477 series I2C connected switch driver" + depends on NET_DSA_MICROCHIP_KSZ9477 && I2C + select REGMAP_I2C + help + Select to enable support for registering switches configured through I2C. + config NET_DSA_MICROCHIP_KSZ9477_SPI tristate "KSZ9477 series SPI connected switch driver" depends on NET_DSA_MICROCHIP_KSZ9477 && SPI diff --git a/drivers/net/dsa/microchip/Makefile b/drivers/net/dsa/microchip/Makefile index e3d799b95d7d..929caa81e782 100644 --- a/drivers/net/dsa/microchip/Makefile +++ b/drivers/net/dsa/microchip/Makefile @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ_COMMON) += ksz_common.o obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ9477) += ksz9477.o +obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ9477_I2C) += ksz9477_i2c.o obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ9477_SPI) += ksz9477_spi.o obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ8795) += ksz8795.o obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ8795_SPI) += ksz8795_spi.o diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index 187be42de5f1..50ffc63d6231 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -1529,6 +1529,15 @@ static const struct ksz_chip_data ksz9477_switch_chips[] = { .cpu_ports = 0x07, /* can be configured as cpu port */ .port_cnt = 3, /* total port count */ }, + { + .chip_id = 0x00956700, + .dev_name = "KSZ9567", + .num_vlans = 4096, + .num_alus = 4096, + .num_statics = 16, + .cpu_ports = 0x7F, /* can be configured as cpu port */ + .port_cnt = 7, /* total physical port count */ + }, }; static int ksz9477_switch_init(struct ksz_device *dev) diff --git a/drivers/net/dsa/microchip/ksz9477_i2c.c b/drivers/net/dsa/microchip/ksz9477_i2c.c new file mode 100644 index 000000000000..0b1e01f0873d --- /dev/null +++ b/drivers/net/dsa/microchip/ksz9477_i2c.c @@ -0,0 +1,101 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Microchip KSZ9477 series register access through I2C + * + * Copyright (C) 2018-2019 Microchip Technology Inc. + */ + +#include <linux/i2c.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/regmap.h> + +#include "ksz_common.h" + +KSZ_REGMAP_TABLE(ksz9477, not_used, 16, 0, 0); + +static int ksz9477_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *i2c_id) +{ + struct ksz_device *dev; + int i, ret; + + dev = ksz_switch_alloc(&i2c->dev, i2c); + if (!dev) + return -ENOMEM; + + for (i = 0; i < ARRAY_SIZE(ksz9477_regmap_config); i++) { + dev->regmap[i] = devm_regmap_init_i2c(i2c, + &ksz9477_regmap_config[i]); + if (IS_ERR(dev->regmap[i])) { + ret = PTR_ERR(dev->regmap[i]); + dev_err(&i2c->dev, + "Failed to initialize regmap%i: %d\n", + ksz9477_regmap_config[i].val_bits, ret); + return ret; + } + } + + if (i2c->dev.platform_data) + dev->pdata = i2c->dev.platform_data; + + ret = ksz9477_switch_register(dev); + + /* Main DSA driver may not be started yet. */ + if (ret) + return ret; + + i2c_set_clientdata(i2c, dev); + + return 0; +} + +static int ksz9477_i2c_remove(struct i2c_client *i2c) +{ + struct ksz_device *dev = i2c_get_clientdata(i2c); + + ksz_switch_remove(dev); + + return 0; +} + +static void ksz9477_i2c_shutdown(struct i2c_client *i2c) +{ + struct ksz_device *dev = i2c_get_clientdata(i2c); + + if (dev && dev->dev_ops->shutdown) + dev->dev_ops->shutdown(dev); +} + +static const struct i2c_device_id ksz9477_i2c_id[] = { + { "ksz9477-switch", 0 }, + {}, +}; + +MODULE_DEVICE_TABLE(i2c, ksz9477_i2c_id); + +static const struct of_device_id ksz9477_dt_ids[] = { + { .compatible = "microchip,ksz9477" }, + { .compatible = "microchip,ksz9897" }, + { .compatible = "microchip,ksz9567" }, + {}, +}; +MODULE_DEVICE_TABLE(of, ksz9477_dt_ids); + +static struct i2c_driver ksz9477_i2c_driver = { + .driver = { + .name = "ksz9477-switch", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(ksz9477_dt_ids), + }, + .probe = ksz9477_i2c_probe, + .remove = ksz9477_i2c_remove, + .shutdown = ksz9477_i2c_shutdown, + .id_table = ksz9477_i2c_id, +}; + +module_i2c_driver(ksz9477_i2c_driver); + +MODULE_AUTHOR("Tristram Ha <Tristram.Ha@microchip.com>"); +MODULE_DESCRIPTION("Microchip KSZ9477 Series Switch I2C access Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/net/dsa/microchip/ksz9477_spi.c b/drivers/net/dsa/microchip/ksz9477_spi.c index 2e402e4d866f..f4198d6f72be 100644 --- a/drivers/net/dsa/microchip/ksz9477_spi.c +++ b/drivers/net/dsa/microchip/ksz9477_spi.c @@ -81,6 +81,7 @@ static const struct of_device_id ksz9477_dt_ids[] = { { .compatible = "microchip,ksz9893" }, { .compatible = "microchip,ksz9563" }, { .compatible = "microchip,ksz8563" }, + { .compatible = "microchip,ksz9567" }, {}, }; MODULE_DEVICE_TABLE(of, ksz9477_dt_ids); diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index 13d027baaa8b..a24d8e61fbe7 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -294,6 +294,8 @@ static inline void ksz_pwrite32(struct ksz_device *dev, int port, int offset, #define KSZ_SPI_OP_RD 3 #define KSZ_SPI_OP_WR 2 +#define swabnot_used(x) 0 + #define KSZ_SPI_OP_FLAG_MASK(opcode, swp, regbits, regpad) \ swab##swp((opcode) << ((regbits) + (regpad))) diff --git a/net/dsa/Kconfig b/net/dsa/Kconfig index 2f69d4b53d46..29e2bd5cc5af 100644 --- a/net/dsa/Kconfig +++ b/net/dsa/Kconfig @@ -73,16 +73,11 @@ config NET_DSA_TAG_MTK Say Y or M if you want to enable support for tagging frames for Mediatek switches. -config NET_DSA_TAG_KSZ_COMMON - tristate - default n - config NET_DSA_TAG_KSZ - tristate "Tag driver for Microchip 9893 family of switches" - select NET_DSA_TAG_KSZ_COMMON + tristate "Tag driver for Microchip 8795/9477/9893 families of switches" help Say Y if you want to enable support for tagging frames for the - Microchip 9893 family of switches. + Microchip 8795/9477/9893 families of switches. config NET_DSA_TAG_QCA tristate "Tag driver for Qualcomm Atheros QCA8K switches" diff --git a/net/dsa/Makefile b/net/dsa/Makefile index c342f54715ba..2c6d286f0511 100644 --- a/net/dsa/Makefile +++ b/net/dsa/Makefile @@ -9,7 +9,7 @@ obj-$(CONFIG_NET_DSA_TAG_BRCM_COMMON) += tag_brcm.o obj-$(CONFIG_NET_DSA_TAG_DSA) += tag_dsa.o obj-$(CONFIG_NET_DSA_TAG_EDSA) += tag_edsa.o obj-$(CONFIG_NET_DSA_TAG_GSWIP) += tag_gswip.o -obj-$(CONFIG_NET_DSA_TAG_KSZ_COMMON) += tag_ksz.o +obj-$(CONFIG_NET_DSA_TAG_KSZ) += tag_ksz.o obj-$(CONFIG_NET_DSA_TAG_LAN9303) += tag_lan9303.o obj-$(CONFIG_NET_DSA_TAG_MTK) += tag_mtk.o obj-$(CONFIG_NET_DSA_TAG_QCA) += tag_qca.o |