1 // SPDX-License-Identifier: GPL-2.0+
3  * StarFive DWMAC platform driver
35 	struct starfive_dwmac *dwmac = plat_dat->bsp_priv;  in starfive_dwmac_set_mode()  local
41 	switch (plat_dat->mac_interface) {  in starfive_dwmac_set_mode()
54 		dev_err(dwmac->dev, "unsupported interface %d\n",  in starfive_dwmac_set_mode()
55 			plat_dat->mac_interface);  in starfive_dwmac_set_mode()
56 		return -EINVAL;  in starfive_dwmac_set_mode()
59 	regmap = syscon_regmap_lookup_by_phandle_args(dwmac->dev->of_node,  in starfive_dwmac_set_mode()
63 		return dev_err_probe(dwmac->dev, PTR_ERR(regmap), "getting the regmap failed\n");  in starfive_dwmac_set_mode()
70 		return dev_err_probe(dwmac->dev, err, "error setting phy mode\n");  in starfive_dwmac_set_mode()
72 	if (dwmac->data) {  in starfive_dwmac_set_mode()
74 				   dwmac->data->gtxclk_dlychain);  in starfive_dwmac_set_mode()
76 			return dev_err_probe(dwmac->dev, err,  in starfive_dwmac_set_mode()
87 	struct starfive_dwmac *dwmac;  in starfive_dwmac_probe()  local
93 		return dev_err_probe(&pdev->dev, err,  in starfive_dwmac_probe()
98 		return dev_err_probe(&pdev->dev, PTR_ERR(plat_dat),  in starfive_dwmac_probe()
101 	dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL);  in starfive_dwmac_probe()
102 	if (!dwmac)  in starfive_dwmac_probe()
103 		return -ENOMEM;  in starfive_dwmac_probe()
105 	dwmac->data = device_get_match_data(&pdev->dev);  in starfive_dwmac_probe()
107 	plat_dat->clk_tx_i = devm_clk_get_enabled(&pdev->dev, "tx");  in starfive_dwmac_probe()
108 	if (IS_ERR(plat_dat->clk_tx_i))  in starfive_dwmac_probe()
109 		return dev_err_probe(&pdev->dev, PTR_ERR(plat_dat->clk_tx_i),  in starfive_dwmac_probe()
112 	clk_gtx = devm_clk_get_enabled(&pdev->dev, "gtx");  in starfive_dwmac_probe()
114 		return dev_err_probe(&pdev->dev, PTR_ERR(clk_gtx),  in starfive_dwmac_probe()
123 	if (!device_property_read_bool(&pdev->dev, "starfive,tx-use-rgmii-clk"))  in starfive_dwmac_probe()
124 		plat_dat->set_clk_tx_rate = stmmac_set_clk_tx_rate;  in starfive_dwmac_probe()
126 	dwmac->dev = &pdev->dev;  in starfive_dwmac_probe()
127 	plat_dat->flags |= STMMAC_FLAG_EN_TX_LPI_CLK_PHY_CAP;  in starfive_dwmac_probe()
128 	plat_dat->bsp_priv = dwmac;  in starfive_dwmac_probe()
129 	plat_dat->dma_cfg->dche = true;  in starfive_dwmac_probe()
135 	return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);  in starfive_dwmac_probe()
139 	.gtxclk_dlychain = 4,
143 	{ .compatible = "starfive,jh7100-dwmac", .data = &jh7100_data },
144 	{ .compatible = "starfive,jh7110-dwmac" },
153 		.name = "starfive-dwmac",
161 MODULE_DESCRIPTION("StarFive DWMAC platform driver");