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path: root/drivers/net/phy/mdio-mux-gpio.c
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Diffstat (limited to 'drivers/net/phy/mdio-mux-gpio.c')
-rw-r--r--drivers/net/phy/mdio-mux-gpio.c98
1 files changed, 0 insertions, 98 deletions
diff --git a/drivers/net/phy/mdio-mux-gpio.c b/drivers/net/phy/mdio-mux-gpio.c
deleted file mode 100644
index 10a758fdc9e6..000000000000
--- a/drivers/net/phy/mdio-mux-gpio.c
+++ /dev/null
@@ -1,98 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (C) 2011, 2012 Cavium, Inc.
- */
-
-#include <linux/platform_device.h>
-#include <linux/device.h>
-#include <linux/of_mdio.h>
-#include <linux/module.h>
-#include <linux/phy.h>
-#include <linux/mdio-mux.h>
-#include <linux/gpio/consumer.h>
-
-#define DRV_VERSION "1.1"
-#define DRV_DESCRIPTION "GPIO controlled MDIO bus multiplexer driver"
-
-struct mdio_mux_gpio_state {
- struct gpio_descs *gpios;
- void *mux_handle;
-};
-
-static int mdio_mux_gpio_switch_fn(int current_child, int desired_child,
- void *data)
-{
- struct mdio_mux_gpio_state *s = data;
- DECLARE_BITMAP(values, BITS_PER_TYPE(desired_child));
-
- if (current_child == desired_child)
- return 0;
-
- values[0] = desired_child;
-
- gpiod_set_array_value_cansleep(s->gpios->ndescs, s->gpios->desc,
- s->gpios->info, values);
-
- return 0;
-}
-
-static int mdio_mux_gpio_probe(struct platform_device *pdev)
-{
- struct mdio_mux_gpio_state *s;
- struct gpio_descs *gpios;
- int r;
-
- gpios = devm_gpiod_get_array(&pdev->dev, NULL, GPIOD_OUT_LOW);
- if (IS_ERR(gpios))
- return PTR_ERR(gpios);
-
- s = devm_kzalloc(&pdev->dev, sizeof(*s), GFP_KERNEL);
- if (!s)
- return -ENOMEM;
-
- s->gpios = gpios;
-
- r = mdio_mux_init(&pdev->dev, pdev->dev.of_node,
- mdio_mux_gpio_switch_fn, &s->mux_handle, s, NULL);
-
- if (r != 0)
- return r;
-
- pdev->dev.platform_data = s;
- return 0;
-}
-
-static int mdio_mux_gpio_remove(struct platform_device *pdev)
-{
- struct mdio_mux_gpio_state *s = dev_get_platdata(&pdev->dev);
- mdio_mux_uninit(s->mux_handle);
- return 0;
-}
-
-static const struct of_device_id mdio_mux_gpio_match[] = {
- {
- .compatible = "mdio-mux-gpio",
- },
- {
- /* Legacy compatible property. */
- .compatible = "cavium,mdio-mux-sn74cbtlv3253",
- },
- {},
-};
-MODULE_DEVICE_TABLE(of, mdio_mux_gpio_match);
-
-static struct platform_driver mdio_mux_gpio_driver = {
- .driver = {
- .name = "mdio-mux-gpio",
- .of_match_table = mdio_mux_gpio_match,
- },
- .probe = mdio_mux_gpio_probe,
- .remove = mdio_mux_gpio_remove,
-};
-
-module_platform_driver(mdio_mux_gpio_driver);
-
-MODULE_DESCRIPTION(DRV_DESCRIPTION);
-MODULE_VERSION(DRV_VERSION);
-MODULE_AUTHOR("David Daney");
-MODULE_LICENSE("GPL v2");