22 #include "phy-qcom-qmp-common.h"
24 #include "phy-qcom-qmp.h"
25 #include "phy-qcom-qmp-pcs-misc-v3.h"
26 #include "phy-qcom-qmp-pcs-misc-v4.h"
27 #include "phy-qcom-qmp-pcs-usb-v4.h"
28 #include "phy-qcom-qmp-pcs-usb-v5.h"
29 #include "phy-qcom-qmp-pcs-usb-v6.h"
30 #include "phy-qcom-qmp-pcs-usb-v7.h"
1707 static int qmp_usb_serdes_init(struct qmp_usb *qmp)  in qmp_usb_serdes_init()  argument
1709 	const struct qmp_phy_cfg *cfg = qmp->cfg;  in qmp_usb_serdes_init()
1710 	void __iomem *serdes = qmp->serdes;  in qmp_usb_serdes_init()
1714 	qmp_configure(qmp->dev, serdes, serdes_tbl, serdes_tbl_num);  in qmp_usb_serdes_init()
1721 	struct qmp_usb *qmp = phy_get_drvdata(phy);  in qmp_usb_init()  local
1722 	const struct qmp_phy_cfg *cfg = qmp->cfg;  in qmp_usb_init()
1723 	void __iomem *pcs = qmp->pcs;  in qmp_usb_init()
1726 	ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs);  in qmp_usb_init()
1728 		dev_err(qmp->dev, "failed to enable regulators, err=%d\n", ret);  in qmp_usb_init()
1732 	ret = reset_control_bulk_assert(qmp->num_resets, qmp->resets);  in qmp_usb_init()
1734 		dev_err(qmp->dev, "reset assert failed\n");  in qmp_usb_init()
1738 	ret = reset_control_bulk_deassert(qmp->num_resets, qmp->resets);  in qmp_usb_init()
1740 		dev_err(qmp->dev, "reset deassert failed\n");  in qmp_usb_init()
1744 	ret = clk_bulk_prepare_enable(qmp->num_clks, qmp->clks);  in qmp_usb_init()
1753 	reset_control_bulk_assert(qmp->num_resets, qmp->resets);  in qmp_usb_init()
1755 	regulator_bulk_disable(cfg->num_vregs, qmp->vregs);  in qmp_usb_init()
1762 	struct qmp_usb *qmp = phy_get_drvdata(phy);  in qmp_usb_exit()  local
1763 	const struct qmp_phy_cfg *cfg = qmp->cfg;  in qmp_usb_exit()
1765 	reset_control_bulk_assert(qmp->num_resets, qmp->resets);  in qmp_usb_exit()
1767 	clk_bulk_disable_unprepare(qmp->num_clks, qmp->clks);  in qmp_usb_exit()
1769 	regulator_bulk_disable(cfg->num_vregs, qmp->vregs);  in qmp_usb_exit()
1776 	struct qmp_usb *qmp = phy_get_drvdata(phy);  in qmp_usb_power_on()  local
1777 	const struct qmp_phy_cfg *cfg = qmp->cfg;  in qmp_usb_power_on()
1778 	void __iomem *tx = qmp->tx;  in qmp_usb_power_on()
1779 	void __iomem *rx = qmp->rx;  in qmp_usb_power_on()
1780 	void __iomem *pcs = qmp->pcs;  in qmp_usb_power_on()
1781 	void __iomem *pcs_usb = qmp->pcs_usb;  in qmp_usb_power_on()
1786 	qmp_usb_serdes_init(qmp);  in qmp_usb_power_on()
1788 	ret = clk_prepare_enable(qmp->pipe_clk);  in qmp_usb_power_on()
1790 		dev_err(qmp->dev, "pipe_clk enable failed err=%d\n", ret);  in qmp_usb_power_on()
1795 	qmp_configure_lane(qmp->dev, tx, cfg->tx_tbl, cfg->tx_tbl_num, 1);  in qmp_usb_power_on()
1796 	qmp_configure_lane(qmp->dev, rx, cfg->rx_tbl, cfg->rx_tbl_num, 1);  in qmp_usb_power_on()
1798 	qmp_configure(qmp->dev, pcs, cfg->pcs_tbl, cfg->pcs_tbl_num);  in qmp_usb_power_on()
1801 		qmp_configure(qmp->dev, pcs_usb, cfg->pcs_usb_tbl, cfg->pcs_usb_tbl_num);  in qmp_usb_power_on()
1816 		dev_err(qmp->dev, "phy initialization timed-out\n");  in qmp_usb_power_on()
1823 	clk_disable_unprepare(qmp->pipe_clk);  in qmp_usb_power_on()
1830 	struct qmp_usb *qmp = phy_get_drvdata(phy);  in qmp_usb_power_off()  local
1831 	const struct qmp_phy_cfg *cfg = qmp->cfg;  in qmp_usb_power_off()
1833 	clk_disable_unprepare(qmp->pipe_clk);  in qmp_usb_power_off()
1836 	qphy_setbits(qmp->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);  in qmp_usb_power_off()
1839 	qphy_clrbits(qmp->pcs, cfg->regs[QPHY_START_CTRL],  in qmp_usb_power_off()
1843 	qphy_clrbits(qmp->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],  in qmp_usb_power_off()
1876 	struct qmp_usb *qmp = phy_get_drvdata(phy);  in qmp_usb_set_mode()  local
1878 	qmp->mode = mode;  in qmp_usb_set_mode()
1890 static void qmp_usb_enable_autonomous_mode(struct qmp_usb *qmp)  in qmp_usb_enable_autonomous_mode()  argument
1892 	const struct qmp_phy_cfg *cfg = qmp->cfg;  in qmp_usb_enable_autonomous_mode()
1893 	void __iomem *pcs_usb = qmp->pcs_usb ?: qmp->pcs;  in qmp_usb_enable_autonomous_mode()
1894 	void __iomem *pcs_misc = qmp->pcs_misc;  in qmp_usb_enable_autonomous_mode()
1897 	if (qmp->mode == PHY_MODE_USB_HOST_SS ||  in qmp_usb_enable_autonomous_mode()
1898 	    qmp->mode == PHY_MODE_USB_DEVICE_SS)  in qmp_usb_enable_autonomous_mode()
1919 static void qmp_usb_disable_autonomous_mode(struct qmp_usb *qmp)  in qmp_usb_disable_autonomous_mode()  argument
1921 	const struct qmp_phy_cfg *cfg = qmp->cfg;  in qmp_usb_disable_autonomous_mode()
1922 	void __iomem *pcs_usb = qmp->pcs_usb ?: qmp->pcs;  in qmp_usb_disable_autonomous_mode()
1923 	void __iomem *pcs_misc = qmp->pcs_misc;  in qmp_usb_disable_autonomous_mode()
1939 	struct qmp_usb *qmp = dev_get_drvdata(dev);  in qmp_usb_runtime_suspend()  local
1941 	dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qmp->mode);  in qmp_usb_runtime_suspend()
1943 	if (!qmp->phy->init_count) {  in qmp_usb_runtime_suspend()
1948 	qmp_usb_enable_autonomous_mode(qmp);  in qmp_usb_runtime_suspend()
1950 	clk_disable_unprepare(qmp->pipe_clk);  in qmp_usb_runtime_suspend()
1951 	clk_bulk_disable_unprepare(qmp->num_clks, qmp->clks);  in qmp_usb_runtime_suspend()
1958 	struct qmp_usb *qmp = dev_get_drvdata(dev);  in qmp_usb_runtime_resume()  local
1961 	dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", qmp->mode);  in qmp_usb_runtime_resume()
1963 	if (!qmp->phy->init_count) {  in qmp_usb_runtime_resume()
1968 	ret = clk_bulk_prepare_enable(qmp->num_clks, qmp->clks);  in qmp_usb_runtime_resume()
1972 	ret = clk_prepare_enable(qmp->pipe_clk);  in qmp_usb_runtime_resume()
1975 		clk_bulk_disable_unprepare(qmp->num_clks, qmp->clks);  in qmp_usb_runtime_resume()
1979 	qmp_usb_disable_autonomous_mode(qmp);  in qmp_usb_runtime_resume()
1989 static int qmp_usb_vreg_init(struct qmp_usb *qmp)  in qmp_usb_vreg_init()  argument
1991 	const struct qmp_phy_cfg *cfg = qmp->cfg;  in qmp_usb_vreg_init()
1992 	struct device *dev = qmp->dev;  in qmp_usb_vreg_init()
1996 	qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL);  in qmp_usb_vreg_init()
1997 	if (!qmp->vregs)  in qmp_usb_vreg_init()
2001 		qmp->vregs[i].supply = cfg->vreg_list[i];  in qmp_usb_vreg_init()
2003 	return devm_regulator_bulk_get(dev, num, qmp->vregs);  in qmp_usb_vreg_init()
2006 static int qmp_usb_reset_init(struct qmp_usb *qmp,  in qmp_usb_reset_init()  argument
2010 	struct device *dev = qmp->dev;  in qmp_usb_reset_init()
2014 	qmp->resets = devm_kcalloc(dev, num_resets,  in qmp_usb_reset_init()
2015 				   sizeof(*qmp->resets), GFP_KERNEL);  in qmp_usb_reset_init()
2016 	if (!qmp->resets)  in qmp_usb_reset_init()
2020 		qmp->resets[i].id = reset_list[i];  in qmp_usb_reset_init()
2022 	qmp->num_resets = num_resets;  in qmp_usb_reset_init()
2024 	ret = devm_reset_control_bulk_get_exclusive(dev, num_resets, qmp->resets);  in qmp_usb_reset_init()
2031 static int qmp_usb_clk_init(struct qmp_usb *qmp)  in qmp_usb_clk_init()  argument
2033 	struct device *dev = qmp->dev;  in qmp_usb_clk_init()
2037 	qmp->clks = devm_kcalloc(dev, num, sizeof(*qmp->clks), GFP_KERNEL);  in qmp_usb_clk_init()
2038 	if (!qmp->clks)  in qmp_usb_clk_init()
2042 		qmp->clks[i].id = qmp_usb_phy_clk_l[i];  in qmp_usb_clk_init()
2044 	qmp->num_clks = num;  in qmp_usb_clk_init()
2046 	return devm_clk_bulk_get_optional(dev, num, qmp->clks);  in qmp_usb_clk_init()
2072 static int phy_pipe_clk_register(struct qmp_usb *qmp, struct device_node *np)  in phy_pipe_clk_register()  argument
2074 	struct clk_fixed_rate *fixed = &qmp->pipe_clk_fixed;  in phy_pipe_clk_register()
2080 		dev_err(qmp->dev, "%pOFn: No clock-output-names\n", np);  in phy_pipe_clk_register()
2086 	/* controllers using QMP phys use 125MHz pipe clock interface */  in phy_pipe_clk_register()
2090 	ret = devm_clk_hw_register(qmp->dev, &fixed->hw);  in phy_pipe_clk_register()
2102 	return devm_add_action_or_reset(qmp->dev, phy_clk_release_provider, np);  in phy_pipe_clk_register()
2120 static int qmp_usb_parse_dt_legacy(struct qmp_usb *qmp, struct device_node *np)  in qmp_usb_parse_dt_legacy()  argument
2122 	struct platform_device *pdev = to_platform_device(qmp->dev);  in qmp_usb_parse_dt_legacy()
2123 	const struct qmp_phy_cfg *cfg = qmp->cfg;  in qmp_usb_parse_dt_legacy()
2124 	struct device *dev = qmp->dev;  in qmp_usb_parse_dt_legacy()
2128 	qmp->serdes = devm_platform_ioremap_resource(pdev, 0);  in qmp_usb_parse_dt_legacy()
2129 	if (IS_ERR(qmp->serdes))  in qmp_usb_parse_dt_legacy()
2130 		return PTR_ERR(qmp->serdes);  in qmp_usb_parse_dt_legacy()
2136 	if (of_device_is_compatible(dev->of_node, "qcom,sdx65-qmp-usb3-uni-phy"))  in qmp_usb_parse_dt_legacy()
2138 	if (of_device_is_compatible(dev->of_node, "qcom,sm8350-qmp-usb3-uni-phy"))  in qmp_usb_parse_dt_legacy()
2146 	qmp->tx = devm_of_iomap(dev, np, 0, NULL);  in qmp_usb_parse_dt_legacy()
2147 	if (IS_ERR(qmp->tx))  in qmp_usb_parse_dt_legacy()
2148 		return PTR_ERR(qmp->tx);  in qmp_usb_parse_dt_legacy()
2150 	qmp->rx = devm_of_iomap(dev, np, 1, NULL);  in qmp_usb_parse_dt_legacy()
2151 	if (IS_ERR(qmp->rx))  in qmp_usb_parse_dt_legacy()
2152 		return PTR_ERR(qmp->rx);  in qmp_usb_parse_dt_legacy()
2154 	qmp->pcs = qmp_usb_iomap(dev, np, 2, exclusive);  in qmp_usb_parse_dt_legacy()
2155 	if (IS_ERR(qmp->pcs))  in qmp_usb_parse_dt_legacy()
2156 		return PTR_ERR(qmp->pcs);  in qmp_usb_parse_dt_legacy()
2159 		qmp->pcs_usb = qmp->pcs + cfg->pcs_usb_offset;  in qmp_usb_parse_dt_legacy()
2161 	qmp->pcs_misc = devm_of_iomap(dev, np, 3, NULL);  in qmp_usb_parse_dt_legacy()
2163 	if (IS_ERR(qmp->pcs_misc)) {  in qmp_usb_parse_dt_legacy()
2165 		qmp->pcs_misc = NULL;  in qmp_usb_parse_dt_legacy()
2168 	qmp->pipe_clk = devm_get_clk_from_child(dev, np, NULL);  in qmp_usb_parse_dt_legacy()
2169 	if (IS_ERR(qmp->pipe_clk)) {  in qmp_usb_parse_dt_legacy()
2170 		return dev_err_probe(dev, PTR_ERR(qmp->pipe_clk),  in qmp_usb_parse_dt_legacy()
2174 	ret = devm_clk_bulk_get_all(qmp->dev, &qmp->clks);  in qmp_usb_parse_dt_legacy()
2178 	qmp->num_clks = ret;  in qmp_usb_parse_dt_legacy()
2180 	ret = qmp_usb_reset_init(qmp, usb3phy_legacy_reset_l,  in qmp_usb_parse_dt_legacy()
2188 static int qmp_usb_parse_dt(struct qmp_usb *qmp)  in qmp_usb_parse_dt()  argument
2190 	struct platform_device *pdev = to_platform_device(qmp->dev);  in qmp_usb_parse_dt()
2191 	const struct qmp_phy_cfg *cfg = qmp->cfg;  in qmp_usb_parse_dt()
2193 	struct device *dev = qmp->dev;  in qmp_usb_parse_dt()
2204 	qmp->serdes = base + offs->serdes;  in qmp_usb_parse_dt()
2205 	qmp->pcs = base + offs->pcs;  in qmp_usb_parse_dt()
2207 		qmp->pcs_usb = base + offs->pcs_usb;  in qmp_usb_parse_dt()
2209 		qmp->pcs_misc = base + offs->pcs_misc;  in qmp_usb_parse_dt()
2210 	qmp->tx = base + offs->tx;  in qmp_usb_parse_dt()
2211 	qmp->rx = base + offs->rx;  in qmp_usb_parse_dt()
2213 	ret = qmp_usb_clk_init(qmp);  in qmp_usb_parse_dt()
2217 	qmp->pipe_clk = devm_clk_get(dev, "pipe");  in qmp_usb_parse_dt()
2218 	if (IS_ERR(qmp->pipe_clk)) {  in qmp_usb_parse_dt()
2219 		return dev_err_probe(dev, PTR_ERR(qmp->pipe_clk),  in qmp_usb_parse_dt()
2223 	ret = qmp_usb_reset_init(qmp, usb3phy_reset_l,  in qmp_usb_parse_dt()
2236 	struct qmp_usb *qmp;  in qmp_usb_probe()  local
2239 	qmp = devm_kzalloc(dev, sizeof(*qmp), GFP_KERNEL);  in qmp_usb_probe()
2240 	if (!qmp)  in qmp_usb_probe()
2243 	qmp->dev = dev;  in qmp_usb_probe()
2244 	dev_set_drvdata(dev, qmp);  in qmp_usb_probe()
2246 	qmp->cfg = of_device_get_match_data(dev);  in qmp_usb_probe()
2247 	if (!qmp->cfg)  in qmp_usb_probe()
2250 	ret = qmp_usb_vreg_init(qmp);  in qmp_usb_probe()
2257 		ret = qmp_usb_parse_dt_legacy(qmp, np);  in qmp_usb_probe()
2260 		ret = qmp_usb_parse_dt(qmp);  in qmp_usb_probe()
2275 	ret = phy_pipe_clk_register(qmp, np);  in qmp_usb_probe()
2279 	qmp->phy = devm_phy_create(dev, np, &qmp_usb_phy_ops);  in qmp_usb_probe()
2280 	if (IS_ERR(qmp->phy)) {  in qmp_usb_probe()
2281 		ret = PTR_ERR(qmp->phy);  in qmp_usb_probe()
2286 	phy_set_drvdata(qmp->phy, qmp);  in qmp_usb_probe()
2301 		.compatible = "qcom,ipq5424-qmp-usb3-phy",
2304 		.compatible = "qcom,ipq6018-qmp-usb3-phy",
2307 		.compatible = "qcom,ipq8074-qmp-usb3-phy",
2310 		.compatible = "qcom,ipq9574-qmp-usb3-phy",
2313 		.compatible = "qcom,msm8996-qmp-usb3-phy",
2316 		.compatible = "qcom,qcs8300-qmp-usb3-uni-phy",
2319 		.compatible = "qcom,qdu1000-qmp-usb3-uni-phy",
2322 		.compatible = "qcom,sa8775p-qmp-usb3-uni-phy",
2325 		.compatible = "qcom,sc8180x-qmp-usb3-uni-phy",
2328 		.compatible = "qcom,sc8280xp-qmp-usb3-uni-phy",
2331 		.compatible = "qcom,sdm845-qmp-usb3-uni-phy",
2334 		.compatible = "qcom,sdx55-qmp-usb3-uni-phy",
2337 		.compatible = "qcom,sdx65-qmp-usb3-uni-phy",
2340 		.compatible = "qcom,sdx75-qmp-usb3-uni-phy",
2343 		.compatible = "qcom,sm8150-qmp-usb3-uni-phy",
2346 		.compatible = "qcom,sm8250-qmp-usb3-uni-phy",
2349 		.compatible = "qcom,sm8350-qmp-usb3-uni-phy",
2352 		.compatible = "qcom,x1e80100-qmp-usb3-uni-phy",
2362 		.name	= "qcom-qmp-usb-phy",
2371 MODULE_DESCRIPTION("Qualcomm QMP USB PHY driver");