stmicro/stmmac/dwmac-sti.c

3  * dwmac-sti.c - STMicroelectronics DWMAC Specific Glue layer
140 	struct sti_dwmac *dwmac = priv;
141 	u32 src = dwmac->tx_retime_src;
142 	u32 reg = dwmac->ctrl_reg;
145 	if (dwmac->interface == PHY_INTERFACE_MODE_MII) {
147 	} else if (dwmac->interface == PHY_INTERFACE_MODE_RMII) {
148 		if (dwmac->ext_phyclk) {
154 	} else if (IS_PHY_IF_MODE_RGMII(dwmac->interface)) {
169 		clk_set_rate(dwmac->clk, freq);
171 	regmap_update_bits(dwmac->regmap, reg, STIH4XX_RETIME_SRC_MASK,
175 static int sti_dwmac_set_mode(struct sti_dwmac *dwmac)
177 	struct regmap *regmap = dwmac->regmap;
178 	int iface = dwmac->interface;
179 	u32 reg = dwmac->ctrl_reg;
182 	if (dwmac->gmac_en)
190 	dwmac->fix_retime_src(dwmac, dwmac->speed, 0);
195 static int sti_dwmac_parse_data(struct sti_dwmac *dwmac,
205 	dwmac->clk_sel_reg = -ENXIO;
208 		dwmac->clk_sel_reg = res->start;
214 	err = of_property_read_u32_index(np, "st,syscon", 1, &dwmac->ctrl_reg);
220 	err = of_get_phy_mode(np, &dwmac->interface);
226 	dwmac->regmap = regmap;
227 	dwmac->gmac_en = of_property_read_bool(np, "st,gmac_en");
228 	dwmac->ext_phyclk = of_property_read_bool(np, "st,ext-phyclk");
229 	dwmac->tx_retime_src = TX_RETIME_SRC_NA;
230 	dwmac->speed = SPEED_100;
232 	if (IS_PHY_IF_MODE_GBIT(dwmac->interface)) {
235 		dwmac->tx_retime_src = TX_RETIME_SRC_CLKGEN;
242 				dwmac->tx_retime_src = TX_RETIME_SRC_CLK_125;
244 				dwmac->tx_retime_src = TX_RETIME_SRC_TXCLK;
246 		dwmac->speed = SPEED_1000;
249 	dwmac->clk = devm_clk_get(dev, "sti-ethclk");
250 	if (IS_ERR(dwmac->clk)) {
252 		dwmac->clk = NULL;
263 	struct sti_dwmac *dwmac;
280 	dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL);
281 	if (!dwmac)
284 	ret = sti_dwmac_parse_data(dwmac, pdev);
290 	dwmac->fix_retime_src = data->fix_retime_src;
292 	plat_dat->bsp_priv = dwmac;
295 	ret = clk_prepare_enable(dwmac->clk);
299 	ret = sti_dwmac_set_mode(dwmac);
310 	clk_disable_unprepare(dwmac->clk);
317 	struct sti_dwmac *dwmac = get_stmmac_bsp_priv(&pdev->dev);
321 	clk_disable_unprepare(dwmac->clk);
327 	struct sti_dwmac *dwmac = get_stmmac_bsp_priv(dev);
330 	clk_disable_unprepare(dwmac->clk);
337 	struct sti_dwmac *dwmac = get_stmmac_bsp_priv(dev);
339 	clk_prepare_enable(dwmac->clk);
340 	sti_dwmac_set_mode(dwmac);
354 	{ .compatible = "st,stih407-dwmac", .data = &stih4xx_dwmac_data},
363 		.name           = "sti-dwmac",