KSZ8795/KSZ88x3 switch chips.
config NET_DSA_MICROCHIP_KSZ9477_I2C
- tristate "KSZ9477 series I2C connected switch driver"
+ tristate "KSZ series I2C connected switch driver"
depends on NET_DSA_MICROCHIP_KSZ_COMMON && 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"
+config NET_DSA_MICROCHIP_KSZ_SPI
+ tristate "KSZ series SPI connected switch driver"
depends on NET_DSA_MICROCHIP_KSZ_COMMON && SPI
select REGMAP_SPI
help
Select to enable support for registering switches configured through SPI.
-config NET_DSA_MICROCHIP_KSZ8795_SPI
- tristate "KSZ8795 series SPI connected switch driver"
- depends on NET_DSA_MICROCHIP_KSZ_COMMON && SPI
- select REGMAP_SPI
- help
- This driver accesses KSZ8795 chip through SPI.
-
- It is required to use the KSZ8795 switch driver as the only access
- is through SPI.
-
config NET_DSA_MICROCHIP_KSZ8863_SMI
tristate "KSZ series SMI connected switch driver"
depends on NET_DSA_MICROCHIP_KSZ_COMMON
ksz_switch-objs += ksz9477.o
ksz_switch-objs += ksz8795.o
obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ9477_I2C) += ksz9477_i2c.o
-obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ9477_SPI) += ksz9477_spi.o
-obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ8795_SPI) += ksz8795_spi.o
+obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ_SPI) += ksz_spi.o
obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ8863_SMI) += ksz8863_smi.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Microchip KSZ8795 series register access through SPI
- *
- * Copyright (C) 2017 Microchip Technology Inc.
- * Tristram Ha <Tristram.Ha@microchip.com>
- */
-
-#include <asm/unaligned.h>
-
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/regmap.h>
-#include <linux/spi/spi.h>
-
-#include "ksz8.h"
-#include "ksz_common.h"
-
-#define KSZ8795_SPI_ADDR_SHIFT 12
-#define KSZ8795_SPI_ADDR_ALIGN 3
-#define KSZ8795_SPI_TURNAROUND_SHIFT 1
-
-#define KSZ8863_SPI_ADDR_SHIFT 8
-#define KSZ8863_SPI_ADDR_ALIGN 8
-#define KSZ8863_SPI_TURNAROUND_SHIFT 0
-
-KSZ_REGMAP_TABLE(ksz8795, 16, KSZ8795_SPI_ADDR_SHIFT,
- KSZ8795_SPI_TURNAROUND_SHIFT, KSZ8795_SPI_ADDR_ALIGN);
-
-KSZ_REGMAP_TABLE(ksz8863, 16, KSZ8863_SPI_ADDR_SHIFT,
- KSZ8863_SPI_TURNAROUND_SHIFT, KSZ8863_SPI_ADDR_ALIGN);
-
-static int ksz8795_spi_probe(struct spi_device *spi)
-{
- const struct regmap_config *regmap_config;
- const struct ksz_chip_data *chip;
- struct device *ddev = &spi->dev;
- struct regmap_config rc;
- struct ksz_device *dev;
- struct ksz8 *ksz8;
- int i, ret = 0;
-
- ksz8 = devm_kzalloc(&spi->dev, sizeof(struct ksz8), GFP_KERNEL);
- if (!ksz8)
- return -ENOMEM;
-
- ksz8->priv = spi;
-
- dev = ksz_switch_alloc(&spi->dev, ksz8);
- if (!dev)
- return -ENOMEM;
-
- chip = device_get_match_data(ddev);
- if (!chip)
- return -EINVAL;
-
- if (chip->chip_id == KSZ8830_CHIP_ID)
- regmap_config = ksz8863_regmap_config;
- else
- regmap_config = ksz8795_regmap_config;
-
- for (i = 0; i < ARRAY_SIZE(ksz8795_regmap_config); i++) {
- rc = regmap_config[i];
- rc.lock_arg = &dev->regmap_mutex;
- dev->regmap[i] = devm_regmap_init_spi(spi, &rc);
- if (IS_ERR(dev->regmap[i])) {
- ret = PTR_ERR(dev->regmap[i]);
- dev_err(&spi->dev,
- "Failed to initialize regmap%i: %d\n",
- regmap_config[i].val_bits, ret);
- return ret;
- }
- }
-
- if (spi->dev.platform_data)
- dev->pdata = spi->dev.platform_data;
-
- /* setup spi */
- spi->mode = SPI_MODE_3;
- ret = spi_setup(spi);
- if (ret)
- return ret;
-
- ret = ksz_switch_register(dev);
-
- /* Main DSA driver may not be started yet. */
- if (ret)
- return ret;
-
- spi_set_drvdata(spi, dev);
-
- return 0;
-}
-
-static void ksz8795_spi_remove(struct spi_device *spi)
-{
- struct ksz_device *dev = spi_get_drvdata(spi);
-
- if (dev)
- ksz_switch_remove(dev);
-
- spi_set_drvdata(spi, NULL);
-}
-
-static void ksz8795_spi_shutdown(struct spi_device *spi)
-{
- struct ksz_device *dev = spi_get_drvdata(spi);
-
- if (!dev)
- return;
-
- if (dev->dev_ops->reset)
- dev->dev_ops->reset(dev);
-
- dsa_switch_shutdown(dev->ds);
-
- spi_set_drvdata(spi, NULL);
-}
-
-static const struct of_device_id ksz8795_dt_ids[] = {
- {
- .compatible = "microchip,ksz8765",
- .data = &ksz_switch_chips[KSZ8765]
- },
- {
- .compatible = "microchip,ksz8794",
- .data = &ksz_switch_chips[KSZ8794]
- },
- {
- .compatible = "microchip,ksz8795",
- .data = &ksz_switch_chips[KSZ8795]
- },
- {
- .compatible = "microchip,ksz8863",
- .data = &ksz_switch_chips[KSZ8830]
- },
- {
- .compatible = "microchip,ksz8873",
- .data = &ksz_switch_chips[KSZ8830]
- },
- {},
-};
-MODULE_DEVICE_TABLE(of, ksz8795_dt_ids);
-
-static const struct spi_device_id ksz8795_spi_ids[] = {
- { "ksz8765" },
- { "ksz8794" },
- { "ksz8795" },
- { "ksz8863" },
- { "ksz8873" },
- { },
-};
-MODULE_DEVICE_TABLE(spi, ksz8795_spi_ids);
-
-static struct spi_driver ksz8795_spi_driver = {
- .driver = {
- .name = "ksz8795-switch",
- .owner = THIS_MODULE,
- .of_match_table = of_match_ptr(ksz8795_dt_ids),
- },
- .id_table = ksz8795_spi_ids,
- .probe = ksz8795_spi_probe,
- .remove = ksz8795_spi_remove,
- .shutdown = ksz8795_spi_shutdown,
-};
-
-module_spi_driver(ksz8795_spi_driver);
-
-MODULE_AUTHOR("Tristram Ha <Tristram.Ha@microchip.com>");
-MODULE_DESCRIPTION("Microchip KSZ8795 Series Switch SPI Driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Microchip KSZ9477 series register access through SPI
- *
- * Copyright (C) 2017-2019 Microchip Technology Inc.
- */
-
-#include <asm/unaligned.h>
-
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/regmap.h>
-#include <linux/spi/spi.h>
-
-#include "ksz_common.h"
-
-#define SPI_ADDR_SHIFT 24
-#define SPI_ADDR_ALIGN 3
-#define SPI_TURNAROUND_SHIFT 5
-
-KSZ_REGMAP_TABLE(ksz9477, 32, SPI_ADDR_SHIFT,
- SPI_TURNAROUND_SHIFT, SPI_ADDR_ALIGN);
-
-static int ksz9477_spi_probe(struct spi_device *spi)
-{
- struct regmap_config rc;
- struct ksz_device *dev;
- int i, ret;
-
- dev = ksz_switch_alloc(&spi->dev, spi);
- if (!dev)
- return -ENOMEM;
-
- for (i = 0; i < ARRAY_SIZE(ksz9477_regmap_config); i++) {
- rc = ksz9477_regmap_config[i];
- rc.lock_arg = &dev->regmap_mutex;
- dev->regmap[i] = devm_regmap_init_spi(spi, &rc);
- if (IS_ERR(dev->regmap[i])) {
- ret = PTR_ERR(dev->regmap[i]);
- dev_err(&spi->dev,
- "Failed to initialize regmap%i: %d\n",
- ksz9477_regmap_config[i].val_bits, ret);
- return ret;
- }
- }
-
- if (spi->dev.platform_data)
- dev->pdata = spi->dev.platform_data;
-
- /* setup spi */
- spi->mode = SPI_MODE_3;
- ret = spi_setup(spi);
- if (ret)
- return ret;
-
- ret = ksz_switch_register(dev);
-
- /* Main DSA driver may not be started yet. */
- if (ret)
- return ret;
-
- spi_set_drvdata(spi, dev);
-
- return 0;
-}
-
-static void ksz9477_spi_remove(struct spi_device *spi)
-{
- struct ksz_device *dev = spi_get_drvdata(spi);
-
- if (dev)
- ksz_switch_remove(dev);
-
- spi_set_drvdata(spi, NULL);
-}
-
-static void ksz9477_spi_shutdown(struct spi_device *spi)
-{
- struct ksz_device *dev = spi_get_drvdata(spi);
-
- if (dev)
- dsa_switch_shutdown(dev->ds);
-
- spi_set_drvdata(spi, NULL);
-}
-
-static const struct of_device_id ksz9477_dt_ids[] = {
- {
- .compatible = "microchip,ksz9477",
- .data = &ksz_switch_chips[KSZ9477]
- },
- {
- .compatible = "microchip,ksz9897",
- .data = &ksz_switch_chips[KSZ9897]
- },
- {
- .compatible = "microchip,ksz9893",
- .data = &ksz_switch_chips[KSZ9893]
- },
- {
- .compatible = "microchip,ksz9563",
- .data = &ksz_switch_chips[KSZ9893]
- },
- {
- .compatible = "microchip,ksz8563",
- .data = &ksz_switch_chips[KSZ9893]
- },
- {
- .compatible = "microchip,ksz9567",
- .data = &ksz_switch_chips[KSZ9567]
- },
- {},
-};
-MODULE_DEVICE_TABLE(of, ksz9477_dt_ids);
-
-static const struct spi_device_id ksz9477_spi_ids[] = {
- { "ksz9477" },
- { "ksz9897" },
- { "ksz9893" },
- { "ksz9563" },
- { "ksz8563" },
- { "ksz9567" },
- { },
-};
-MODULE_DEVICE_TABLE(spi, ksz9477_spi_ids);
-
-static struct spi_driver ksz9477_spi_driver = {
- .driver = {
- .name = "ksz9477-switch",
- .owner = THIS_MODULE,
- .of_match_table = of_match_ptr(ksz9477_dt_ids),
- },
- .id_table = ksz9477_spi_ids,
- .probe = ksz9477_spi_probe,
- .remove = ksz9477_spi_remove,
- .shutdown = ksz9477_spi_shutdown,
-};
-
-module_spi_driver(ksz9477_spi_driver);
-
-MODULE_ALIAS("spi:ksz9477");
-MODULE_ALIAS("spi:ksz9897");
-MODULE_ALIAS("spi:ksz9893");
-MODULE_ALIAS("spi:ksz9563");
-MODULE_ALIAS("spi:ksz8563");
-MODULE_ALIAS("spi:ksz9567");
-MODULE_AUTHOR("Woojung Huh <Woojung.Huh@microchip.com>");
-MODULE_DESCRIPTION("Microchip KSZ9477 Series Switch SPI access Driver");
-MODULE_LICENSE("GPL");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Microchip ksz series register access through SPI
+ *
+ * Copyright (C) 2017 Microchip Technology Inc.
+ * Tristram Ha <Tristram.Ha@microchip.com>
+ */
+
+#include <asm/unaligned.h>
+
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/spi/spi.h>
+
+#include "ksz8.h"
+#include "ksz_common.h"
+
+#define KSZ8795_SPI_ADDR_SHIFT 12
+#define KSZ8795_SPI_ADDR_ALIGN 3
+#define KSZ8795_SPI_TURNAROUND_SHIFT 1
+
+#define KSZ8863_SPI_ADDR_SHIFT 8
+#define KSZ8863_SPI_ADDR_ALIGN 8
+#define KSZ8863_SPI_TURNAROUND_SHIFT 0
+
+#define KSZ9477_SPI_ADDR_SHIFT 24
+#define KSZ9477_SPI_ADDR_ALIGN 3
+#define KSZ9477_SPI_TURNAROUND_SHIFT 5
+
+KSZ_REGMAP_TABLE(ksz8795, 16, KSZ8795_SPI_ADDR_SHIFT,
+ KSZ8795_SPI_TURNAROUND_SHIFT, KSZ8795_SPI_ADDR_ALIGN);
+
+KSZ_REGMAP_TABLE(ksz8863, 16, KSZ8863_SPI_ADDR_SHIFT,
+ KSZ8863_SPI_TURNAROUND_SHIFT, KSZ8863_SPI_ADDR_ALIGN);
+
+KSZ_REGMAP_TABLE(ksz9477, 32, KSZ9477_SPI_ADDR_SHIFT,
+ KSZ9477_SPI_TURNAROUND_SHIFT, KSZ9477_SPI_ADDR_ALIGN);
+
+static int ksz_spi_probe(struct spi_device *spi)
+{
+ const struct regmap_config *regmap_config;
+ const struct ksz_chip_data *chip;
+ struct device *ddev = &spi->dev;
+ struct regmap_config rc;
+ struct ksz_device *dev;
+ struct ksz8 *ksz8;
+ int i, ret = 0;
+
+ ksz8 = devm_kzalloc(&spi->dev, sizeof(struct ksz8), GFP_KERNEL);
+ if (!ksz8)
+ return -ENOMEM;
+
+ ksz8->priv = spi;
+
+ dev = ksz_switch_alloc(&spi->dev, ksz8);
+ if (!dev)
+ return -ENOMEM;
+
+ chip = device_get_match_data(ddev);
+ if (!chip)
+ return -EINVAL;
+
+ if (chip->chip_id == KSZ8830_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
+ regmap_config = ksz9477_regmap_config;
+
+ for (i = 0; i < ARRAY_SIZE(ksz8795_regmap_config); i++) {
+ rc = regmap_config[i];
+ rc.lock_arg = &dev->regmap_mutex;
+ dev->regmap[i] = devm_regmap_init_spi(spi, &rc);
+ if (IS_ERR(dev->regmap[i])) {
+ ret = PTR_ERR(dev->regmap[i]);
+ dev_err(&spi->dev,
+ "Failed to initialize regmap%i: %d\n",
+ regmap_config[i].val_bits, ret);
+ return ret;
+ }
+ }
+
+ if (spi->dev.platform_data)
+ dev->pdata = spi->dev.platform_data;
+
+ /* setup spi */
+ spi->mode = SPI_MODE_3;
+ ret = spi_setup(spi);
+ if (ret)
+ return ret;
+
+ ret = ksz_switch_register(dev);
+
+ /* Main DSA driver may not be started yet. */
+ if (ret)
+ return ret;
+
+ spi_set_drvdata(spi, dev);
+
+ return 0;
+}
+
+static void ksz_spi_remove(struct spi_device *spi)
+{
+ struct ksz_device *dev = spi_get_drvdata(spi);
+
+ if (dev)
+ ksz_switch_remove(dev);
+
+ spi_set_drvdata(spi, NULL);
+}
+
+static void ksz_spi_shutdown(struct spi_device *spi)
+{
+ struct ksz_device *dev = spi_get_drvdata(spi);
+
+ if (!dev)
+ return;
+
+ if (dev->dev_ops->reset)
+ dev->dev_ops->reset(dev);
+
+ dsa_switch_shutdown(dev->ds);
+
+ spi_set_drvdata(spi, NULL);
+}
+
+static const struct of_device_id ksz_dt_ids[] = {
+ {
+ .compatible = "microchip,ksz8765",
+ .data = &ksz_switch_chips[KSZ8765]
+ },
+ {
+ .compatible = "microchip,ksz8794",
+ .data = &ksz_switch_chips[KSZ8794]
+ },
+ {
+ .compatible = "microchip,ksz8795",
+ .data = &ksz_switch_chips[KSZ8795]
+ },
+ {
+ .compatible = "microchip,ksz8863",
+ .data = &ksz_switch_chips[KSZ8830]
+ },
+ {
+ .compatible = "microchip,ksz8873",
+ .data = &ksz_switch_chips[KSZ8830]
+ },
+ {
+ .compatible = "microchip,ksz9477",
+ .data = &ksz_switch_chips[KSZ9477]
+ },
+ {
+ .compatible = "microchip,ksz9897",
+ .data = &ksz_switch_chips[KSZ9897]
+ },
+ {
+ .compatible = "microchip,ksz9893",
+ .data = &ksz_switch_chips[KSZ9893]
+ },
+ {
+ .compatible = "microchip,ksz9563",
+ .data = &ksz_switch_chips[KSZ9893]
+ },
+ {
+ .compatible = "microchip,ksz8563",
+ .data = &ksz_switch_chips[KSZ9893]
+ },
+ {
+ .compatible = "microchip,ksz9567",
+ .data = &ksz_switch_chips[KSZ9567]
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, ksz_dt_ids);
+
+static const struct spi_device_id ksz_spi_ids[] = {
+ { "ksz8765" },
+ { "ksz8794" },
+ { "ksz8795" },
+ { "ksz8863" },
+ { "ksz8873" },
+ { "ksz9477" },
+ { "ksz9897" },
+ { "ksz9893" },
+ { "ksz9563" },
+ { "ksz8563" },
+ { "ksz9567" },
+ { },
+};
+MODULE_DEVICE_TABLE(spi, ksz_spi_ids);
+
+static struct spi_driver ksz_spi_driver = {
+ .driver = {
+ .name = "ksz-switch",
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(ksz_dt_ids),
+ },
+ .id_table = ksz_spi_ids,
+ .probe = ksz_spi_probe,
+ .remove = ksz_spi_remove,
+ .shutdown = ksz_spi_shutdown,
+};
+
+module_spi_driver(ksz_spi_driver);
+
+MODULE_ALIAS("spi:ksz9477");
+MODULE_ALIAS("spi:ksz9897");
+MODULE_ALIAS("spi:ksz9893");
+MODULE_ALIAS("spi:ksz9563");
+MODULE_ALIAS("spi:ksz8563");
+MODULE_ALIAS("spi:ksz9567");
+MODULE_AUTHOR("Tristram Ha <Tristram.Ha@microchip.com>");
+MODULE_DESCRIPTION("Microchip ksz Series Switch SPI Driver");
+MODULE_LICENSE("GPL");
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