Lines Matching defs:gmac
115 static int get_clk_div_sgmii(struct ipq806x_gmac *gmac, int speed)
117 struct device *dev = &gmac->pdev->dev;
141 static int get_clk_div_rgmii(struct ipq806x_gmac *gmac, int speed)
143 struct device *dev = &gmac->pdev->dev;
167 static int ipq806x_gmac_set_speed(struct ipq806x_gmac *gmac, int speed)
172 switch (gmac->phy_mode) {
177 div = get_clk_div_rgmii(gmac, speed);
178 clk_bits = NSS_COMMON_CLK_GATE_RGMII_RX_EN(gmac->id) |
179 NSS_COMMON_CLK_GATE_RGMII_TX_EN(gmac->id);
183 div = get_clk_div_sgmii(gmac, speed);
184 clk_bits = NSS_COMMON_CLK_GATE_GMII_RX_EN(gmac->id) |
185 NSS_COMMON_CLK_GATE_GMII_TX_EN(gmac->id);
189 dev_err(&gmac->pdev->dev, "Unsupported PHY mode: \"%s\"\n",
190 phy_modes(gmac->phy_mode));
195 regmap_read(gmac->nss_common, NSS_COMMON_CLK_GATE, &val);
197 regmap_write(gmac->nss_common, NSS_COMMON_CLK_GATE, val);
200 regmap_read(gmac->nss_common, NSS_COMMON_CLK_DIV0, &val);
202 << NSS_COMMON_CLK_DIV_OFFSET(gmac->id));
203 val |= div << NSS_COMMON_CLK_DIV_OFFSET(gmac->id);
204 regmap_write(gmac->nss_common, NSS_COMMON_CLK_DIV0, val);
207 regmap_read(gmac->nss_common, NSS_COMMON_CLK_GATE, &val);
209 regmap_write(gmac->nss_common, NSS_COMMON_CLK_GATE, val);
214 static int ipq806x_gmac_of_parse(struct ipq806x_gmac *gmac,
217 struct device *dev = &gmac->pdev->dev;
219 gmac->phy_mode = plat_dat->phy_interface;
221 if (of_property_read_u32(dev->of_node, "qcom,id", &gmac->id) < 0) {
230 if (gmac->id > 3) {
231 dev_err(dev, "invalid gmac id\n");
235 gmac->core_clk = devm_clk_get(dev, "stmmaceth");
236 if (IS_ERR(gmac->core_clk)) {
238 return PTR_ERR(gmac->core_clk);
240 clk_set_rate(gmac->core_clk, 266000000);
243 gmac->nss_common = syscon_regmap_lookup_by_phandle(dev->of_node,
245 if (IS_ERR(gmac->nss_common)) {
247 return PTR_ERR(gmac->nss_common);
251 gmac->qsgmii_csr = syscon_regmap_lookup_by_phandle(dev->of_node,
253 if (IS_ERR(gmac->qsgmii_csr))
256 return PTR_ERR_OR_ZERO(gmac->qsgmii_csr);
262 struct ipq806x_gmac *gmac = bsp_priv;
264 return ipq806x_gmac_set_speed(gmac, speed);
268 ipq806x_gmac_configure_qsgmii_pcs_speed(struct ipq806x_gmac *gmac)
270 struct platform_device *pdev = gmac->pdev;
307 regmap_update_bits(gmac->qsgmii_csr, QSGMII_PCS_ALL_CH_CTL,
309 QSGMII_PCS_CH_SPEED_SHIFT(gmac->id),
311 QSGMII_PCS_CH_SPEED_SHIFT(gmac->id));
326 ipq806x_gmac_configure_qsgmii_params(struct ipq806x_gmac *gmac)
328 struct platform_device *pdev = gmac->pdev;
333 switch (gmac->id) {
353 default: /* gmac 0 can't be set in SGMII mode */
354 dev_err(dev, "gmac id %d can't be in SGMII mode", gmac->id);
358 /* Common params across all gmac id */
368 regmap_write(gmac->qsgmii_csr, QSGMII_PHY_SGMII_CTL(gmac->id),
379 struct ipq806x_gmac *gmac;
391 gmac = devm_kzalloc(dev, sizeof(*gmac), GFP_KERNEL);
392 if (!gmac)
395 gmac->pdev = pdev;
397 err = ipq806x_gmac_of_parse(gmac, plat_dat);
403 regmap_write(gmac->qsgmii_csr, QSGMII_PCS_CAL_LCKDT_CTL,
411 switch (gmac->phy_mode) {
424 regmap_write(gmac->nss_common, NSS_COMMON_GMAC_CTL(gmac->id), val);
427 regmap_read(gmac->nss_common, NSS_COMMON_CLK_SRC_CTRL, &val);
428 val &= ~(1 << NSS_COMMON_CLK_SRC_CTRL_OFFSET(gmac->id));
429 switch (gmac->phy_mode) {
434 val |= NSS_COMMON_CLK_SRC_CTRL_RGMII(gmac->id) <<
435 NSS_COMMON_CLK_SRC_CTRL_OFFSET(gmac->id);
438 val |= NSS_COMMON_CLK_SRC_CTRL_SGMII(gmac->id) <<
439 NSS_COMMON_CLK_SRC_CTRL_OFFSET(gmac->id);
444 regmap_write(gmac->nss_common, NSS_COMMON_CLK_SRC_CTRL, val);
447 regmap_read(gmac->nss_common, NSS_COMMON_CLK_GATE, &val);
448 val |= NSS_COMMON_CLK_GATE_PTP_EN(gmac->id);
449 switch (gmac->phy_mode) {
454 val |= NSS_COMMON_CLK_GATE_RGMII_RX_EN(gmac->id) |
455 NSS_COMMON_CLK_GATE_RGMII_TX_EN(gmac->id);
458 val |= NSS_COMMON_CLK_GATE_GMII_RX_EN(gmac->id) |
459 NSS_COMMON_CLK_GATE_GMII_TX_EN(gmac->id);
464 regmap_write(gmac->nss_common, NSS_COMMON_CLK_GATE, val);
466 if (gmac->phy_mode == PHY_INTERFACE_MODE_SGMII) {
467 err = ipq806x_gmac_configure_qsgmii_params(gmac);
471 err = ipq806x_gmac_configure_qsgmii_pcs_speed(gmac);
477 plat_dat->bsp_priv = gmac;
487 phy_modes(gmac->phy_mode));
492 { .compatible = "qcom,ipq806x-gmac" },
501 .name = "ipq806x-gmac-dwmac",