1 // SPDX-License-Identifier: GPL-2.0+
3  * net/dsa/mv88e6060.c - Driver for Marvell 88e6060 switch chips
4  * Copyright (c) 2008-2009 Marvell Semiconductor
13 #include <linux/phy.h>
19 	return mdiobus_read_nested(priv->bus, priv->sw_addr + addr, reg);  in reg_read()
24 	return mdiobus_write_nested(priv->bus, priv->sw_addr + addr, reg, val);  in reg_write()
92 		return -ETIMEDOUT;  in mv88e6060_switch_reset()
121 	if (dsa_is_unused_port(priv->ds, p))  in mv88e6060_setup_port()
124 	/* Do not force flow control, disable Ingress and Egress  in mv88e6060_setup_port()
130 			dsa_is_cpu_port(priv->ds, p) ?  in mv88e6060_setup_port()
145 			(dsa_is_cpu_port(priv->ds, p) ?  in mv88e6060_setup_port()
146 			 dsa_user_ports(priv->ds) :  in mv88e6060_setup_port()
147 			 BIT(dsa_to_port(priv->ds, p)->cpu_dp->index)));  in mv88e6060_setup_port()
189 	struct mv88e6060_priv *priv = ds->priv;  in mv88e6060_setup()
193 	priv->ds = ds;  in mv88e6060_setup()
222 	return -1;  in mv88e6060_port_to_phy_addr()
227 	struct mv88e6060_priv *priv = ds->priv;  in mv88e6060_phy_read()
231 	if (addr == -1)  in mv88e6060_phy_read()
240 	struct mv88e6060_priv *priv = ds->priv;  in mv88e6060_phy_write()
244 	if (addr == -1)  in mv88e6060_phy_write()
253 	unsigned long *interfaces = config->supported_interfaces;  in mv88e6060_phylink_get_caps()
254 	struct mv88e6060_priv *priv = ds->priv;  in mv88e6060_phylink_get_caps()
260 		dev_err(ds->dev,  in mv88e6060_phylink_get_caps()
266 	/* If the port is configured in SNI mode (acts as a 10Mbps PHY),  in mv88e6060_phylink_get_caps()
267 	 * it should have phy-mode = "sni", but that doesn't yet exist, so  in mv88e6060_phylink_get_caps()
271 		dev_warn(ds->dev, "port %d: SNI mode not supported\n", port);  in mv88e6060_phylink_get_caps()
275 	config->mac_capabilities = MAC_100 | MAC_10 | MAC_SYM_PAUSE;  in mv88e6060_phylink_get_caps()
284 		/* Ports 0 to 3 have internal PHYs, and port 4 can optionally  in mv88e6060_phylink_get_caps()
285 		 * use an internal PHY.  in mv88e6060_phylink_get_caps()
287 		/* Internal PHY */  in mv88e6060_phylink_get_caps()
304 	struct device *dev = &mdiodev->dev;  in mv88e6060_probe()
311 		return -ENOMEM;  in mv88e6060_probe()
313 	priv->bus = mdiodev->bus;  in mv88e6060_probe()
314 	priv->sw_addr = mdiodev->addr;  in mv88e6060_probe()
316 	name = mv88e6060_get_name(priv->bus, priv->sw_addr);  in mv88e6060_probe()
318 		return -ENODEV;  in mv88e6060_probe()
324 		return -ENOMEM;  in mv88e6060_probe()
326 	ds->dev = dev;  in mv88e6060_probe()
327 	ds->num_ports = MV88E6060_PORTS;  in mv88e6060_probe()
328 	ds->priv = priv;  in mv88e6060_probe()
329 	ds->dev = dev;  in mv88e6060_probe()
330 	ds->ops = &mv88e6060_switch_ops;  in mv88e6060_probe()
339 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);  in mv88e6060_remove()
349 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);  in mv88e6060_shutdown()
356 	dev_set_drvdata(&mdiodev->dev, NULL);  in mv88e6060_shutdown()