1 // SPDX-License-Identifier: GPL-2.0
2 /* Texas Instruments Ethernet Switch Driver
17 #include "cpsw.h"
48 	reg = readl(priv->gmii_sel);  in cpsw_gmii_sel_am3352()
50 	switch (phy_mode) {  in cpsw_gmii_sel_am3352()
67 		dev_warn(priv->dev,  in cpsw_gmii_sel_am3352()
80 	if (priv->rmii_clock_external) {  in cpsw_gmii_sel_am3352()
97 	writel(reg, priv->gmii_sel);  in cpsw_gmii_sel_am3352()
107 	reg = readl(priv->gmii_sel);  in cpsw_gmii_sel_dra7xx()
109 	switch (phy_mode) {  in cpsw_gmii_sel_dra7xx()
122 		dev_warn(priv->dev,  in cpsw_gmii_sel_dra7xx()
131 	switch (slave) {  in cpsw_gmii_sel_dra7xx()
140 		dev_err(priv->dev, "invalid slave number...\n");  in cpsw_gmii_sel_dra7xx()
144 	if (priv->rmii_clock_external)  in cpsw_gmii_sel_dra7xx()
145 		dev_err(priv->dev, "RMII External clock is not supported\n");  in cpsw_gmii_sel_dra7xx()
150 	writel(reg, priv->gmii_sel);  in cpsw_gmii_sel_dra7xx()
157 	return dev->of_node == node &&  in match()
158 		dev->driver == &cpsw_phy_sel_driver.driver;  in match()
166 	node = of_parse_phandle(dev->of_node, "cpsw-phy-sel", 0);  in cpsw_phy_sel()
168 		node = of_get_child_by_name(dev->of_node, "cpsw-phy-sel");  in cpsw_phy_sel()
183 	priv->cpsw_phy_sel(priv, phy_mode, slave);  in cpsw_phy_sel()
193 		.compatible	= "ti,am3352-cpsw-phy-sel",
197 		.compatible	= "ti,dra7xx-cpsw-phy-sel",
201 		.compatible	= "ti,am43xx-cpsw-phy-sel",
213 	of_id = of_match_node(cpsw_phy_sel_id_table, pdev->dev.of_node);  in cpsw_phy_sel_probe()
215 		return -EINVAL;  in cpsw_phy_sel_probe()
217 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);  in cpsw_phy_sel_probe()
219 		dev_err(&pdev->dev, "unable to alloc memory for cpsw phy sel\n");  in cpsw_phy_sel_probe()
220 		return -ENOMEM;  in cpsw_phy_sel_probe()
223 	priv->dev = &pdev->dev;  in cpsw_phy_sel_probe()
224 	priv->cpsw_phy_sel = of_id->data;  in cpsw_phy_sel_probe()
226 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gmii-sel");  in cpsw_phy_sel_probe()
227 	priv->gmii_sel = devm_ioremap_resource(&pdev->dev, res);  in cpsw_phy_sel_probe()
228 	if (IS_ERR(priv->gmii_sel))  in cpsw_phy_sel_probe()
229 		return PTR_ERR(priv->gmii_sel);  in cpsw_phy_sel_probe()
231 	if (of_find_property(pdev->dev.of_node, "rmii-clock-ext", NULL))  in cpsw_phy_sel_probe()
232 		priv->rmii_clock_external = true;  in cpsw_phy_sel_probe()
234 	dev_set_drvdata(&pdev->dev, priv);  in cpsw_phy_sel_probe()
242 		.name	= "cpsw-phy-sel",