static int msm_ssphy_power_enable(struct msm_ssphy_qmp *phy, bool on)
{
bool host = phy->phy.flags & PHY_HOST_MODE;
int ret = 0;
if (!host && !phy->cable_connected) {
if (on) {
ret = regulator_enable(phy->vdd);
if (ret)
dev_err(phy->phy.dev,
"regulator_enable(phy->vdd) failed, ret=%d",
ret);
ret = msm_ssusb_qmp_ldo_enable(phy, 1);
if (ret)
dev_err(phy->phy.dev,
"msm_ssusb_qmp_ldo_enable(1) failed, ret=%d\n",
ret);
} else {
ret = msm_ssusb_qmp_ldo_enable(phy, 0);
if (ret)
dev_err(phy->phy.dev,
"msm_ssusb_qmp_ldo_enable(0) failed, ret=%d\n",
ret);
ret = regulator_disable(phy->vdd);
if (ret)
dev_err(phy->phy.dev, "regulator_disable(phy->vdd) failed, ret=%d",
ret);
}
}
return ret;
}
static int msm_ssphy_power_enable(struct msm_ssphy_qmp *phy, bool on)
{
bool host = phy->phy.flags & PHY_HOST_MODE;
bool chg_connected = phy->phy.flags & PHY_CHARGER_CONNECTED;
int ret = 0;
/*
* Turn off the phy's LDOs when cable is disconnected for device mode
* with external vbus_id indication.
*/
if (!host && !chg_connected && !phy->cable_connected) {
if (on) {
ret = regulator_enable(phy->vdd);
if (ret)
dev_err(phy->phy.dev,
"regulator_enable(phy->vdd) failed, ret=%d",
ret);
ret = msm_ssusb_qmp_ldo_enable(phy, 1);
if (ret)
dev_err(phy->phy.dev,
"msm_ssusb_qmp_ldo_enable(1) failed, ret=%d\n",
ret);
} else {
ret = msm_ssusb_qmp_ldo_enable(phy, 0);
if (ret)
dev_err(phy->phy.dev,
"msm_ssusb_qmp_ldo_enable(0) failed, ret=%d\n",
ret);
ret = regulator_disable(phy->vdd);
if (ret)
dev_err(phy->phy.dev, "regulator_disable(phy->vdd) failed, ret=%d",
ret);
}
}
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);
clk_disable_unprepare(phy->aux_clk);
clk_disable_unprepare(phy->cfg_ahb_clk);
clk_disable_unprepare(phy->pipe_clk);
kfree(phy);
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_byname(pdev, IORESOURCE_MEM,
"qmp_phy_base");
phy->base = devm_ioremap_resource(dev, res);
if (IS_ERR(phy->base))
return PTR_ERR(phy->base);
res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
"qmp_ahb2phy_base");
phy->ahb2phy = devm_ioremap_resource(dev, res);
if (IS_ERR(phy->ahb2phy)) {
dev_err(dev, "couldn't find qmp_ahb2phy_base address.\n");
return PTR_ERR(phy->ahb2phy);
}
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;
}
phy->ldo_clk = devm_clk_get(dev, "ldo_clk");
if (!IS_ERR(phy->ldo_clk))
clk_prepare_enable(phy->ldo_clk);
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->override_pll_cal = of_property_read_bool(dev->of_node,
"qcom,override-pll-calibration");
if (phy->override_pll_cal)
dev_dbg(dev, "Override PHY PLL calibration is enabled.\n");
phy->switch_pipe_clk_src = !of_property_read_bool(dev->of_node,
"qcom,no-pipe-clk-switch");
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.reset = msm_ssphy_qmp_reset;
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:
if (!IS_ERR(phy->ldo_clk))
clk_disable_unprepare(phy->ldo_clk);
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_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.reset = msm_ssphy_qmp_reset;
phy->phy.type = USB_PHY_TYPE_USB3;
ret = msm_ssphy_qmp_init_clocks(phy);
if (ret) {
dev_err(dev, "Fail to init qmp phy clocks\n");
goto disable_ss_ldo;
}
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;
}