Loading drivers/usb/phy/Kconfig +10 −0 Original line number Original line Diff line number Diff line Loading @@ -240,6 +240,16 @@ config USB_MSM_SSPHY set for its control sequences, normally paired with newer DWC3-based set for its control sequences, normally paired with newer DWC3-based SuperSpeed controllers. SuperSpeed controllers. config USB_MSM_SSPHY_QMP tristate "MSM SSUSB QMP PHY Driver" select USB_OTG_UTILS default n help Enable this to support the SuperSpeed USB transceiver on MSM chips. This driver supports the PHY which uses the QSCRATCH-based register set for its control sequences, normally paired with newer DWC3-based SuperSpeed controllers. config USB_MV_OTG config USB_MV_OTG tristate "Marvell USB OTG support" tristate "Marvell USB OTG support" depends on USB_EHCI_MV && USB_MV_UDC && PM_RUNTIME depends on USB_EHCI_MV && USB_MV_UDC && PM_RUNTIME Loading drivers/usb/phy/Makefile +1 −0 Original line number Original line Diff line number Diff line Loading @@ -30,6 +30,7 @@ obj-$(CONFIG_USB_ISP1301) += phy-isp1301.o obj-$(CONFIG_USB_MSM_OTG) += phy-msm-usb.o obj-$(CONFIG_USB_MSM_OTG) += phy-msm-usb.o obj-$(CONFIG_USB_MSM_HSPHY) += phy-msm-hsusb.o obj-$(CONFIG_USB_MSM_HSPHY) += phy-msm-hsusb.o obj-$(CONFIG_USB_MSM_SSPHY) += phy-msm-ssusb.o obj-$(CONFIG_USB_MSM_SSPHY) += phy-msm-ssusb.o obj-$(CONFIG_USB_MSM_SSPHY_QMP) += phy-msm-ssusb-qmp.o obj-$(CONFIG_USB_MV_OTG) += phy-mv-usb.o obj-$(CONFIG_USB_MV_OTG) += phy-mv-usb.o obj-$(CONFIG_USB_MXS_PHY) += phy-mxs-usb.o obj-$(CONFIG_USB_MXS_PHY) += phy-mxs-usb.o obj-$(CONFIG_USB_RCAR_PHY) += phy-rcar-usb.o obj-$(CONFIG_USB_RCAR_PHY) += phy-rcar-usb.o Loading drivers/usb/phy/phy-msm-ssusb-qmp.c 0 → 100644 +263 −0 Original line number Original line Diff line number Diff line /* * Copyright (c) 2013, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */ #include <linux/module.h> #include <linux/kernel.h> #include <linux/err.h> #include <linux/slab.h> #include <linux/io.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/usb/phy.h> #include <linux/usb/msm_hsusb.h> #define USB_SSPHY_1P8_VOL_MIN 1800000 /* uV */ #define USB_SSPHY_1P8_VOL_MAX 1800000 /* uV */ #define USB_SSPHY_1P8_HPM_LOAD 23000 /* uA */ #define SS_PHY_ENABLED 0 struct msm_ssphy_qmp { struct usb_phy phy; void __iomem *base; struct regulator *vdd; struct regulator *vdda18; int vdd_levels[3]; /* none, low, high */ }; static int msm_ssusb_qmp_config_vdd(struct msm_ssphy_qmp *phy, int high) { int min, ret; min = high ? 1 : 0; /* low or none? */ ret = regulator_set_voltage(phy->vdd, phy->vdd_levels[min], phy->vdd_levels[2]); if (ret) { dev_err(phy->phy.dev, "unable to set voltage for ssusb vdd\n"); return ret; } dev_dbg(phy->phy.dev, "%s: min_vol:%d max_vol:%d\n", __func__, phy->vdd_levels[min], phy->vdd_levels[2]); return ret; } static int msm_ssusb_qmp_ldo_enable(struct msm_ssphy_qmp *phy, int on) { int rc = 0; dev_dbg(phy->phy.dev, "reg (%s)\n", on ? "HPM" : "LPM"); if (!on) goto disable_regulators; rc = regulator_set_optimum_mode(phy->vdda18, USB_SSPHY_1P8_HPM_LOAD); if (rc < 0) { dev_err(phy->phy.dev, "Unable to set HPM of vdda18\n"); return rc; } rc = regulator_set_voltage(phy->vdda18, USB_SSPHY_1P8_VOL_MIN, USB_SSPHY_1P8_VOL_MAX); if (rc) { dev_err(phy->phy.dev, "unable to set voltage for vdda18\n"); goto put_vdda18_lpm; } rc = regulator_enable(phy->vdda18); if (rc) { dev_err(phy->phy.dev, "Unable to enable vdda18\n"); goto unset_vdda18; } return 0; disable_regulators: rc = regulator_disable(phy->vdda18); if (rc) dev_err(phy->phy.dev, "Unable to disable vdda18\n"); unset_vdda18: rc = regulator_set_voltage(phy->vdda18, 0, USB_SSPHY_1P8_VOL_MAX); if (rc) dev_err(phy->phy.dev, "unable to set voltage for vdda18\n"); put_vdda18_lpm: rc = regulator_set_optimum_mode(phy->vdda18, 0); if (rc < 0) dev_err(phy->phy.dev, "Unable to set LPM of vdda18\n"); return rc < 0 ? rc : 0; } /* SSPHY Initialization */ static int msm_ssphy_qmp_init(struct usb_phy *uphy) { dev_dbg(uphy->dev, "%s\n", __func__); return 0; } static int msm_ssphy_qmp_set_params(struct usb_phy *uphy) { dev_dbg(uphy->dev, "%s\n", __func__); return 0; } static int msm_ssphy_qmp_set_suspend(struct usb_phy *uphy, int suspend) { dev_dbg(uphy->dev, "%s\n", __func__); return 0; } static int msm_ssphy_qmp_notify_connect(struct usb_phy *uphy, enum usb_device_speed speed) { dev_dbg(uphy->dev, "%s\n", __func__); return 0; } static int msm_ssphy_qmp_notify_disconnect(struct usb_phy *uphy, enum usb_device_speed speed) { dev_dbg(uphy->dev, "%s\n", __func__); return 0; } static int msm_ssphy_qmp_probe(struct platform_device *pdev) { struct msm_ssphy_qmp *phy; struct device *dev = &pdev->dev; struct resource *res; int ret = 0; phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL); if (!phy) return -ENOMEM; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(dev, "missing memory base resource\n"); return -ENODEV; } phy->base = devm_ioremap_nocache(dev, res->start, resource_size(res)); if (!phy->base) { dev_err(dev, "ioremap failed\n"); return -ENODEV; } ret = of_property_read_u32_array(dev->of_node, "qcom,vdd-voltage-level", (u32 *) phy->vdd_levels, ARRAY_SIZE(phy->vdd_levels)); if (ret) { dev_err(dev, "error reading qcom,vdd-voltage-level property\n"); return ret; } phy->vdd = devm_regulator_get(dev, "vdd"); if (IS_ERR(phy->vdd)) { dev_err(dev, "unable to get vdd supply\n"); return PTR_ERR(phy->vdd); } phy->vdda18 = devm_regulator_get(dev, "vdda18"); if (IS_ERR(phy->vdda18)) { dev_err(dev, "unable to get vdda18 supply\n"); return PTR_ERR(phy->vdda18); } ret = msm_ssusb_qmp_config_vdd(phy, 1); if (ret) { dev_err(dev, "ssusb vdd_dig configuration failed\n"); return ret; } ret = regulator_enable(phy->vdd); if (ret) { dev_err(dev, "unable to enable the ssusb vdd_dig\n"); goto unconfig_ss_vdd; } ret = msm_ssusb_qmp_ldo_enable(phy, 1); if (ret) { dev_err(dev, "ssusb vreg enable failed\n"); goto disable_ss_vdd; } platform_set_drvdata(pdev, phy); if (of_property_read_bool(dev->of_node, "qcom,vbus-valid-override")) phy->phy.flags |= PHY_VBUS_VALID_OVERRIDE; phy->phy.dev = dev; phy->phy.init = msm_ssphy_qmp_init; phy->phy.set_suspend = msm_ssphy_qmp_set_suspend; phy->phy.set_params = msm_ssphy_qmp_set_params; phy->phy.notify_connect = msm_ssphy_qmp_notify_connect; phy->phy.notify_disconnect = msm_ssphy_qmp_notify_disconnect; phy->phy.type = USB_PHY_TYPE_USB3; ret = usb_add_phy_dev(&phy->phy); if (ret) goto disable_ss_ldo; return 0; disable_ss_ldo: msm_ssusb_qmp_ldo_enable(phy, 0); disable_ss_vdd: regulator_disable(phy->vdd); unconfig_ss_vdd: msm_ssusb_qmp_config_vdd(phy, 0); return ret; } static int msm_ssphy_qmp_remove(struct platform_device *pdev) { struct msm_ssphy_qmp *phy = platform_get_drvdata(pdev); if (!phy) return 0; usb_remove_phy(&phy->phy); msm_ssusb_qmp_ldo_enable(phy, 0); regulator_disable(phy->vdd); msm_ssusb_qmp_config_vdd(phy, 0); kfree(phy); return 0; } static const struct of_device_id msm_usb_id_table[] = { { .compatible = "qcom,usb-ssphy-qmp", }, { }, }; MODULE_DEVICE_TABLE(of, msm_usb_id_table); static struct platform_driver msm_ssphy_qmp_driver = { .probe = msm_ssphy_qmp_probe, .remove = msm_ssphy_qmp_remove, .driver = { .name = "msm-usb-ssphy-qmp", .of_match_table = of_match_ptr(msm_usb_id_table), }, }; module_platform_driver(msm_ssphy_qmp_driver); MODULE_DESCRIPTION("MSM USB SS QMP PHY driver"); MODULE_LICENSE("GPL v2"); Loading
drivers/usb/phy/Kconfig +10 −0 Original line number Original line Diff line number Diff line Loading @@ -240,6 +240,16 @@ config USB_MSM_SSPHY set for its control sequences, normally paired with newer DWC3-based set for its control sequences, normally paired with newer DWC3-based SuperSpeed controllers. SuperSpeed controllers. config USB_MSM_SSPHY_QMP tristate "MSM SSUSB QMP PHY Driver" select USB_OTG_UTILS default n help Enable this to support the SuperSpeed USB transceiver on MSM chips. This driver supports the PHY which uses the QSCRATCH-based register set for its control sequences, normally paired with newer DWC3-based SuperSpeed controllers. config USB_MV_OTG config USB_MV_OTG tristate "Marvell USB OTG support" tristate "Marvell USB OTG support" depends on USB_EHCI_MV && USB_MV_UDC && PM_RUNTIME depends on USB_EHCI_MV && USB_MV_UDC && PM_RUNTIME Loading
drivers/usb/phy/Makefile +1 −0 Original line number Original line Diff line number Diff line Loading @@ -30,6 +30,7 @@ obj-$(CONFIG_USB_ISP1301) += phy-isp1301.o obj-$(CONFIG_USB_MSM_OTG) += phy-msm-usb.o obj-$(CONFIG_USB_MSM_OTG) += phy-msm-usb.o obj-$(CONFIG_USB_MSM_HSPHY) += phy-msm-hsusb.o obj-$(CONFIG_USB_MSM_HSPHY) += phy-msm-hsusb.o obj-$(CONFIG_USB_MSM_SSPHY) += phy-msm-ssusb.o obj-$(CONFIG_USB_MSM_SSPHY) += phy-msm-ssusb.o obj-$(CONFIG_USB_MSM_SSPHY_QMP) += phy-msm-ssusb-qmp.o obj-$(CONFIG_USB_MV_OTG) += phy-mv-usb.o obj-$(CONFIG_USB_MV_OTG) += phy-mv-usb.o obj-$(CONFIG_USB_MXS_PHY) += phy-mxs-usb.o obj-$(CONFIG_USB_MXS_PHY) += phy-mxs-usb.o obj-$(CONFIG_USB_RCAR_PHY) += phy-rcar-usb.o obj-$(CONFIG_USB_RCAR_PHY) += phy-rcar-usb.o Loading
drivers/usb/phy/phy-msm-ssusb-qmp.c 0 → 100644 +263 −0 Original line number Original line Diff line number Diff line /* * Copyright (c) 2013, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */ #include <linux/module.h> #include <linux/kernel.h> #include <linux/err.h> #include <linux/slab.h> #include <linux/io.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/usb/phy.h> #include <linux/usb/msm_hsusb.h> #define USB_SSPHY_1P8_VOL_MIN 1800000 /* uV */ #define USB_SSPHY_1P8_VOL_MAX 1800000 /* uV */ #define USB_SSPHY_1P8_HPM_LOAD 23000 /* uA */ #define SS_PHY_ENABLED 0 struct msm_ssphy_qmp { struct usb_phy phy; void __iomem *base; struct regulator *vdd; struct regulator *vdda18; int vdd_levels[3]; /* none, low, high */ }; static int msm_ssusb_qmp_config_vdd(struct msm_ssphy_qmp *phy, int high) { int min, ret; min = high ? 1 : 0; /* low or none? */ ret = regulator_set_voltage(phy->vdd, phy->vdd_levels[min], phy->vdd_levels[2]); if (ret) { dev_err(phy->phy.dev, "unable to set voltage for ssusb vdd\n"); return ret; } dev_dbg(phy->phy.dev, "%s: min_vol:%d max_vol:%d\n", __func__, phy->vdd_levels[min], phy->vdd_levels[2]); return ret; } static int msm_ssusb_qmp_ldo_enable(struct msm_ssphy_qmp *phy, int on) { int rc = 0; dev_dbg(phy->phy.dev, "reg (%s)\n", on ? "HPM" : "LPM"); if (!on) goto disable_regulators; rc = regulator_set_optimum_mode(phy->vdda18, USB_SSPHY_1P8_HPM_LOAD); if (rc < 0) { dev_err(phy->phy.dev, "Unable to set HPM of vdda18\n"); return rc; } rc = regulator_set_voltage(phy->vdda18, USB_SSPHY_1P8_VOL_MIN, USB_SSPHY_1P8_VOL_MAX); if (rc) { dev_err(phy->phy.dev, "unable to set voltage for vdda18\n"); goto put_vdda18_lpm; } rc = regulator_enable(phy->vdda18); if (rc) { dev_err(phy->phy.dev, "Unable to enable vdda18\n"); goto unset_vdda18; } return 0; disable_regulators: rc = regulator_disable(phy->vdda18); if (rc) dev_err(phy->phy.dev, "Unable to disable vdda18\n"); unset_vdda18: rc = regulator_set_voltage(phy->vdda18, 0, USB_SSPHY_1P8_VOL_MAX); if (rc) dev_err(phy->phy.dev, "unable to set voltage for vdda18\n"); put_vdda18_lpm: rc = regulator_set_optimum_mode(phy->vdda18, 0); if (rc < 0) dev_err(phy->phy.dev, "Unable to set LPM of vdda18\n"); return rc < 0 ? rc : 0; } /* SSPHY Initialization */ static int msm_ssphy_qmp_init(struct usb_phy *uphy) { dev_dbg(uphy->dev, "%s\n", __func__); return 0; } static int msm_ssphy_qmp_set_params(struct usb_phy *uphy) { dev_dbg(uphy->dev, "%s\n", __func__); return 0; } static int msm_ssphy_qmp_set_suspend(struct usb_phy *uphy, int suspend) { dev_dbg(uphy->dev, "%s\n", __func__); return 0; } static int msm_ssphy_qmp_notify_connect(struct usb_phy *uphy, enum usb_device_speed speed) { dev_dbg(uphy->dev, "%s\n", __func__); return 0; } static int msm_ssphy_qmp_notify_disconnect(struct usb_phy *uphy, enum usb_device_speed speed) { dev_dbg(uphy->dev, "%s\n", __func__); return 0; } static int msm_ssphy_qmp_probe(struct platform_device *pdev) { struct msm_ssphy_qmp *phy; struct device *dev = &pdev->dev; struct resource *res; int ret = 0; phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL); if (!phy) return -ENOMEM; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(dev, "missing memory base resource\n"); return -ENODEV; } phy->base = devm_ioremap_nocache(dev, res->start, resource_size(res)); if (!phy->base) { dev_err(dev, "ioremap failed\n"); return -ENODEV; } ret = of_property_read_u32_array(dev->of_node, "qcom,vdd-voltage-level", (u32 *) phy->vdd_levels, ARRAY_SIZE(phy->vdd_levels)); if (ret) { dev_err(dev, "error reading qcom,vdd-voltage-level property\n"); return ret; } phy->vdd = devm_regulator_get(dev, "vdd"); if (IS_ERR(phy->vdd)) { dev_err(dev, "unable to get vdd supply\n"); return PTR_ERR(phy->vdd); } phy->vdda18 = devm_regulator_get(dev, "vdda18"); if (IS_ERR(phy->vdda18)) { dev_err(dev, "unable to get vdda18 supply\n"); return PTR_ERR(phy->vdda18); } ret = msm_ssusb_qmp_config_vdd(phy, 1); if (ret) { dev_err(dev, "ssusb vdd_dig configuration failed\n"); return ret; } ret = regulator_enable(phy->vdd); if (ret) { dev_err(dev, "unable to enable the ssusb vdd_dig\n"); goto unconfig_ss_vdd; } ret = msm_ssusb_qmp_ldo_enable(phy, 1); if (ret) { dev_err(dev, "ssusb vreg enable failed\n"); goto disable_ss_vdd; } platform_set_drvdata(pdev, phy); if (of_property_read_bool(dev->of_node, "qcom,vbus-valid-override")) phy->phy.flags |= PHY_VBUS_VALID_OVERRIDE; phy->phy.dev = dev; phy->phy.init = msm_ssphy_qmp_init; phy->phy.set_suspend = msm_ssphy_qmp_set_suspend; phy->phy.set_params = msm_ssphy_qmp_set_params; phy->phy.notify_connect = msm_ssphy_qmp_notify_connect; phy->phy.notify_disconnect = msm_ssphy_qmp_notify_disconnect; phy->phy.type = USB_PHY_TYPE_USB3; ret = usb_add_phy_dev(&phy->phy); if (ret) goto disable_ss_ldo; return 0; disable_ss_ldo: msm_ssusb_qmp_ldo_enable(phy, 0); disable_ss_vdd: regulator_disable(phy->vdd); unconfig_ss_vdd: msm_ssusb_qmp_config_vdd(phy, 0); return ret; } static int msm_ssphy_qmp_remove(struct platform_device *pdev) { struct msm_ssphy_qmp *phy = platform_get_drvdata(pdev); if (!phy) return 0; usb_remove_phy(&phy->phy); msm_ssusb_qmp_ldo_enable(phy, 0); regulator_disable(phy->vdd); msm_ssusb_qmp_config_vdd(phy, 0); kfree(phy); return 0; } static const struct of_device_id msm_usb_id_table[] = { { .compatible = "qcom,usb-ssphy-qmp", }, { }, }; MODULE_DEVICE_TABLE(of, msm_usb_id_table); static struct platform_driver msm_ssphy_qmp_driver = { .probe = msm_ssphy_qmp_probe, .remove = msm_ssphy_qmp_remove, .driver = { .name = "msm-usb-ssphy-qmp", .of_match_table = of_match_ptr(msm_usb_id_table), }, }; module_platform_driver(msm_ssphy_qmp_driver); MODULE_DESCRIPTION("MSM USB SS QMP PHY driver"); MODULE_LICENSE("GPL v2");
