Linux-libre 4.3.2-gnu

35 files changed, 620 insertions, 86 deletions

diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index 6b8dd162f..47da573d0 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -54,6 +54,17 @@ config PHY_EXYNOS_MIPI_VIDEO
 	  Support for MIPI CSI-2 and MIPI DSI DPHY found on Samsung S5P
 	  and EXYNOS SoCs.
 
+config PHY_LPC18XX_USB_OTG
+	tristate "NXP LPC18xx/43xx SoC USB OTG PHY driver"
+	depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
+	depends on MFD_SYSCON
+	select GENERIC_PHY
+	help
+	  Enable this to support NXP LPC18xx/43xx internal USB OTG PHY.
+
+	  This driver is need for USB0 support on LPC18xx/43xx and takes
+	  care of enabling and clock setup.
+
 config PHY_PXA_28NM_HSIC
 	tristate "Marvell USB HSIC 28nm PHY Driver"
 	depends on HAS_IOMEM
@@ -199,6 +210,8 @@ config PHY_SUN4I_USB
 	tristate "Allwinner sunxi SoC USB PHY driver"
 	depends on ARCH_SUNXI && HAS_IOMEM && OF
 	depends on RESET_CONTROLLER
+	depends on EXTCON
+	depends on POWER_SUPPLY
 	select GENERIC_PHY
 	help
 	  Enable this to support the transceiver that is part of Allwinner
diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
index f344e1b2e..a5b18c18f 100644
--- a/drivers/phy/Makefile
+++ b/drivers/phy/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_ARMADA375_USBCLUSTER_PHY)	+= phy-armada375-usb2.o
 obj-$(CONFIG_BCM_KONA_USB2_PHY)		+= phy-bcm-kona-usb2.o
 obj-$(CONFIG_PHY_EXYNOS_DP_VIDEO)	+= phy-exynos-dp-video.o
 obj-$(CONFIG_PHY_EXYNOS_MIPI_VIDEO)	+= phy-exynos-mipi-video.o
+obj-$(CONFIG_PHY_LPC18XX_USB_OTG)	+= phy-lpc18xx-usb-otg.o
 obj-$(CONFIG_PHY_PXA_28NM_USB2)		+= phy-pxa-28nm-usb2.o
 obj-$(CONFIG_PHY_PXA_28NM_HSIC)		+= phy-pxa-28nm-hsic.o
 obj-$(CONFIG_PHY_MVEBU_SATA)		+= phy-mvebu-sata.o
diff --git a/drivers/phy/phy-armada375-usb2.c b/drivers/phy/phy-armada375-usb2.c
index 8ccc3952c..1a3db288c 100644
--- a/drivers/phy/phy-armada375-usb2.c
+++ b/drivers/phy/phy-armada375-usb2.c
@@ -51,7 +51,7 @@ static int armada375_usb_phy_init(struct phy *phy)
 	return 0;
 }
 
-static struct phy_ops armada375_usb_phy_ops = {
+static const struct phy_ops armada375_usb_phy_ops = {
 	.init = armada375_usb_phy_init,
 	.owner = THIS_MODULE,
 };
@@ -149,7 +149,6 @@ static struct platform_driver armada375_usb_phy_driver = {
 	.driver = {
 		.of_match_table	= of_usb_cluster_table,
 		.name  = "armada-375-usb-cluster",
-		.owner = THIS_MODULE,
 	}
 };
 module_platform_driver(armada375_usb_phy_driver);
diff --git a/drivers/phy/phy-bcm-kona-usb2.c b/drivers/phy/phy-bcm-kona-usb2.c
index ef2dc1aab..7b67fe49e 100644
--- a/drivers/phy/phy-bcm-kona-usb2.c
+++ b/drivers/phy/phy-bcm-kona-usb2.c
@@ -91,7 +91,7 @@ static int bcm_kona_usb_phy_power_off(struct phy *gphy)
 	return 0;
 }
 
-static struct phy_ops ops = {
+static const struct phy_ops ops = {
 	.init		= bcm_kona_usb_phy_init,
 	.power_on	= bcm_kona_usb_phy_power_on,
 	.power_off	= bcm_kona_usb_phy_power_off,
diff --git a/drivers/phy/phy-berlin-sata.c b/drivers/phy/phy-berlin-sata.c
index 6f3e06d68..77a2e054f 100644
--- a/drivers/phy/phy-berlin-sata.c
+++ b/drivers/phy/phy-berlin-sata.c
@@ -176,7 +176,7 @@ static struct phy *phy_berlin_sata_phy_xlate(struct device *dev,
 	return priv->phys[i]->phy;
 }
 
-static struct phy_ops phy_berlin_sata_ops = {
+static const struct phy_ops phy_berlin_sata_ops = {
 	.power_on	= phy_berlin_sata_power_on,
 	.power_off	= phy_berlin_sata_power_off,
 	.owner		= THIS_MODULE,
@@ -276,6 +276,7 @@ static const struct of_device_id phy_berlin_sata_of_match[] = {
 	{ .compatible = "marvell,berlin2q-sata-phy" },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, phy_berlin_sata_of_match);
 
 static struct platform_driver phy_berlin_sata_driver = {
 	.probe	= phy_berlin_sata_probe,
diff --git a/drivers/phy/phy-berlin-usb.c b/drivers/phy/phy-berlin-usb.c
index 335e06d66..797ba17c4 100644
--- a/drivers/phy/phy-berlin-usb.c
+++ b/drivers/phy/phy-berlin-usb.c
@@ -147,12 +147,12 @@ static int phy_berlin_usb_power_on(struct phy *phy)
 	return 0;
 }
 
-static struct phy_ops phy_berlin_usb_ops = {
+static const struct phy_ops phy_berlin_usb_ops = {
 	.power_on	= phy_berlin_usb_power_on,
 	.owner		= THIS_MODULE,
 };
 
-static const struct of_device_id phy_berlin_sata_of_match[] = {
+static const struct of_device_id phy_berlin_usb_of_match[] = {
 	{
 		.compatible = "marvell,berlin2-usb-phy",
 		.data = &phy_berlin_pll_dividers[0],
@@ -163,12 +163,12 @@ static const struct of_device_id phy_berlin_sata_of_match[] = {
 	},
 	{ },
 };
-MODULE_DEVICE_TABLE(of, phy_berlin_sata_of_match);
+MODULE_DEVICE_TABLE(of, phy_berlin_usb_of_match);
 
 static int phy_berlin_usb_probe(struct platform_device *pdev)
 {
 	const struct of_device_id *match =
-		of_match_device(phy_berlin_sata_of_match, &pdev->dev);
+		of_match_device(phy_berlin_usb_of_match, &pdev->dev);
 	struct phy_berlin_usb_priv *priv;
 	struct resource *res;
 	struct phy *phy;
@@ -207,9 +207,8 @@ static struct platform_driver phy_berlin_usb_driver = {
 	.probe	= phy_berlin_usb_probe,
 	.driver	= {
 		.name		= "phy-berlin-usb",
-		.owner		= THIS_MODULE,
-		.of_match_table	= phy_berlin_sata_of_match,
-	 },
+		.of_match_table	= phy_berlin_usb_of_match,
+	},
 };
 module_platform_driver(phy_berlin_usb_driver);
 
diff --git a/drivers/phy/phy-brcmstb-sata.c b/drivers/phy/phy-brcmstb-sata.c
index b7e303d28..8a2cb16a1 100644
--- a/drivers/phy/phy-brcmstb-sata.c
+++ b/drivers/phy/phy-brcmstb-sata.c
@@ -122,7 +122,7 @@ static int brcm_sata_phy_init(struct phy *phy)
 	return 0;
 }
 
-static struct phy_ops phy_ops_28nm = {
+static const struct phy_ops phy_ops_28nm = {
 	.init		= brcm_sata_phy_init,
 	.owner		= THIS_MODULE,
 };
diff --git a/drivers/phy/phy-dm816x-usb.c b/drivers/phy/phy-dm816x-usb.c
index 7b42555dd..b4bbef664 100644
--- a/drivers/phy/phy-dm816x-usb.c
+++ b/drivers/phy/phy-dm816x-usb.c
@@ -113,7 +113,7 @@ static int dm816x_usb_phy_init(struct phy *x)
 	return 0;
 }
 
-static struct phy_ops ops = {
+static const struct phy_ops ops = {
 	.init		= dm816x_usb_phy_init,
 	.owner		= THIS_MODULE,
 };
diff --git a/drivers/phy/phy-exynos-dp-video.c b/drivers/phy/phy-exynos-dp-video.c
index 179cbf945..34b06154e 100644
--- a/drivers/phy/phy-exynos-dp-video.c
+++ b/drivers/phy/phy-exynos-dp-video.c
@@ -48,7 +48,7 @@ static int exynos_dp_video_phy_power_off(struct phy *phy)
 				  EXYNOS5_PHY_ENABLE, 0);
 }
 
-static struct phy_ops exynos_dp_video_phy_ops = {
+static const struct phy_ops exynos_dp_video_phy_ops = {
 	.power_on	= exynos_dp_video_phy_power_on,
 	.power_off	= exynos_dp_video_phy_power_off,
 	.owner		= THIS_MODULE,
diff --git a/drivers/phy/phy-exynos-mipi-video.c b/drivers/phy/phy-exynos-mipi-video.c
index df7519a39..2a54caba9 100644
--- a/drivers/phy/phy-exynos-mipi-video.c
+++ b/drivers/phy/phy-exynos-mipi-video.c
@@ -124,7 +124,7 @@ static struct phy *exynos_mipi_video_phy_xlate(struct device *dev,
 	return state->phys[args->args[0]].phy;
 }
 
-static struct phy_ops exynos_mipi_video_phy_ops = {
+static const struct phy_ops exynos_mipi_video_phy_ops = {
 	.power_on	= exynos_mipi_video_phy_power_on,
 	.power_off	= exynos_mipi_video_phy_power_off,
 	.owner		= THIS_MODULE,
diff --git a/drivers/phy/phy-exynos5-usbdrd.c b/drivers/phy/phy-exynos5-usbdrd.c
index d72ef15b0..20696f533 100644
--- a/drivers/phy/phy-exynos5-usbdrd.c
+++ b/drivers/phy/phy-exynos5-usbdrd.c
@@ -537,7 +537,7 @@ static struct phy *exynos5_usbdrd_phy_xlate(struct device *dev,
 	return phy_drd->phys[args->args[0]].phy;
 }
 
-static struct phy_ops exynos5_usbdrd_phy_ops = {
+static const struct phy_ops exynos5_usbdrd_phy_ops = {
 	.init		= exynos5_usbdrd_phy_init,
 	.exit		= exynos5_usbdrd_phy_exit,
 	.power_on	= exynos5_usbdrd_phy_power_on,
diff --git a/drivers/phy/phy-exynos5250-sata.c b/drivers/phy/phy-exynos5250-sata.c
index bc858cc80..60e13afcd 100644
--- a/drivers/phy/phy-exynos5250-sata.c
+++ b/drivers/phy/phy-exynos5250-sata.c
@@ -154,7 +154,7 @@ static int exynos_sata_phy_init(struct phy *phy)
 	return ret;
 }
 
-static struct phy_ops exynos_sata_phy_ops = {
+static const struct phy_ops exynos_sata_phy_ops = {
 	.init		= exynos_sata_phy_init,
 	.power_on	= exynos_sata_phy_power_on,
 	.power_off	= exynos_sata_phy_power_off,
diff --git a/drivers/phy/phy-hix5hd2-sata.c b/drivers/phy/phy-hix5hd2-sata.c
index d6b22659c..e5ab3aa78 100644
--- a/drivers/phy/phy-hix5hd2-sata.c
+++ b/drivers/phy/phy-hix5hd2-sata.c
@@ -129,7 +129,7 @@ static int hix5hd2_sata_phy_init(struct phy *phy)
 	return 0;
 }
 
-static struct phy_ops hix5hd2_sata_phy_ops = {
+static const struct phy_ops hix5hd2_sata_phy_ops = {
 	.init		= hix5hd2_sata_phy_init,
 	.owner		= THIS_MODULE,
 };
diff --git a/drivers/phy/phy-lpc18xx-usb-otg.c b/drivers/phy/phy-lpc18xx-usb-otg.c
new file mode 100644
index 000000000..3b7a71eb5
--- /dev/null
+++ b/drivers/phy/phy-lpc18xx-usb-otg.c
@@ -0,0 +1,143 @@
+/*
+ * PHY driver for NXP LPC18xx/43xx internal USB OTG PHY
+ *
+ * Copyright (C) 2015 Joachim Eastwood <manabian@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+/* USB OTG PHY register offset and bit in CREG */
+#define LPC18XX_CREG_CREG0		0x004
+#define LPC18XX_CREG_CREG0_USB0PHY	BIT(5)
+
+struct lpc18xx_usb_otg_phy {
+	struct phy *phy;
+	struct clk *clk;
+	struct regmap *reg;
+};
+
+static int lpc18xx_usb_otg_phy_init(struct phy *phy)
+{
+	struct lpc18xx_usb_otg_phy *lpc = phy_get_drvdata(phy);
+	int ret;
+
+	/* The PHY must be clocked at 480 MHz */
+	ret = clk_set_rate(lpc->clk, 480000000);
+	if (ret)
+		return ret;
+
+	return clk_prepare(lpc->clk);
+}
+
+static int lpc18xx_usb_otg_phy_exit(struct phy *phy)
+{
+	struct lpc18xx_usb_otg_phy *lpc = phy_get_drvdata(phy);
+
+	clk_unprepare(lpc->clk);
+
+	return 0;
+}
+
+static int lpc18xx_usb_otg_phy_power_on(struct phy *phy)
+{
+	struct lpc18xx_usb_otg_phy *lpc = phy_get_drvdata(phy);
+	int ret;
+
+	ret = clk_enable(lpc->clk);
+	if (ret)
+		return ret;
+
+	/* The bit in CREG is cleared to enable the PHY */
+	return regmap_update_bits(lpc->reg, LPC18XX_CREG_CREG0,
+				  LPC18XX_CREG_CREG0_USB0PHY, 0);
+}
+
+static int lpc18xx_usb_otg_phy_power_off(struct phy *phy)
+{
+	struct lpc18xx_usb_otg_phy *lpc = phy_get_drvdata(phy);
+	int ret;
+
+	ret = regmap_update_bits(lpc->reg, LPC18XX_CREG_CREG0,
+				 LPC18XX_CREG_CREG0_USB0PHY,
+				 LPC18XX_CREG_CREG0_USB0PHY);
+	if (ret)
+		return ret;
+
+	clk_disable(lpc->clk);
+
+	return 0;
+}
+
+static const struct phy_ops lpc18xx_usb_otg_phy_ops = {
+	.init		= lpc18xx_usb_otg_phy_init,
+	.exit		= lpc18xx_usb_otg_phy_exit,
+	.power_on	= lpc18xx_usb_otg_phy_power_on,
+	.power_off	= lpc18xx_usb_otg_phy_power_off,
+	.owner		= THIS_MODULE,
+};
+
+static int lpc18xx_usb_otg_phy_probe(struct platform_device *pdev)
+{
+	struct phy_provider *phy_provider;
+	struct lpc18xx_usb_otg_phy *lpc;
+
+	lpc = devm_kzalloc(&pdev->dev, sizeof(*lpc), GFP_KERNEL);
+	if (!lpc)
+		return -ENOMEM;
+
+	lpc->reg = syscon_node_to_regmap(pdev->dev.of_node->parent);
+	if (IS_ERR(lpc->reg)) {
+		dev_err(&pdev->dev, "failed to get syscon\n");
+		return PTR_ERR(lpc->reg);
+	}
+
+	lpc->clk = devm_clk_get(&pdev->dev, NULL);
+	if (IS_ERR(lpc->clk)) {
+		dev_err(&pdev->dev, "failed to get clock\n");
+		return PTR_ERR(lpc->clk);
+	}
+
+	lpc->phy = devm_phy_create(&pdev->dev, NULL, &lpc18xx_usb_otg_phy_ops);
+	if (IS_ERR(lpc->phy)) {
+		dev_err(&pdev->dev, "failed to create PHY\n");
+		return PTR_ERR(lpc->phy);
+	}
+
+	phy_set_drvdata(lpc->phy, lpc);
+
+	phy_provider = devm_of_phy_provider_register(&pdev->dev,
+						     of_phy_simple_xlate);
+
+	return PTR_ERR_OR_ZERO(phy_provider);
+}
+
+static const struct of_device_id lpc18xx_usb_otg_phy_match[] = {
+	{ .compatible = "nxp,lpc1850-usb-otg-phy" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, lpc18xx_usb_otg_phy_match);
+
+static struct platform_driver lpc18xx_usb_otg_phy_driver = {
+	.probe		= lpc18xx_usb_otg_phy_probe,
+	.driver		= {
+		.name	= "lpc18xx-usb-otg-phy",
+		.of_match_table = lpc18xx_usb_otg_phy_match,
+	},
+};
+module_platform_driver(lpc18xx_usb_otg_phy_driver);
+
+MODULE_AUTHOR("Joachim Eastwood <manabian@gmail.com>");
+MODULE_DESCRIPTION("NXP LPC18xx/43xx USB OTG PHY driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/phy/phy-miphy28lp.c b/drivers/phy/phy-miphy28lp.c
index 5e257ef7a..c47b56b4a 100644
--- a/drivers/phy/phy-miphy28lp.c
+++ b/drivers/phy/phy-miphy28lp.c
@@ -1132,7 +1132,7 @@ static struct phy *miphy28lp_xlate(struct device *dev,
 	return miphy_phy->phy;
 }
 
-static struct phy_ops miphy28lp_ops = {
+static const struct phy_ops miphy28lp_ops = {
 	.init = miphy28lp_init,
 	.owner = THIS_MODULE,
 };
@@ -1268,7 +1268,6 @@ static struct platform_driver miphy28lp_driver = {
 	.probe = miphy28lp_probe,
 	.driver = {
 		.name = "miphy28lp-phy",
-		.owner = THIS_MODULE,
 		.of_match_table = miphy28lp_of_match,
 	}
 };
diff --git a/drivers/phy/phy-miphy365x.c b/drivers/phy/phy-miphy365x.c
index 0ff354d6e..00a686a07 100644
--- a/drivers/phy/phy-miphy365x.c
+++ b/drivers/phy/phy-miphy365x.c
@@ -510,7 +510,7 @@ static struct phy *miphy365x_xlate(struct device *dev,
 	return miphy_phy->phy;
 }
 
-static struct phy_ops miphy365x_ops = {
+static const struct phy_ops miphy365x_ops = {
 	.init		= miphy365x_init,
 	.owner		= THIS_MODULE,
 };
diff --git a/drivers/phy/phy-mvebu-sata.c b/drivers/phy/phy-mvebu-sata.c
index 03b94f92e..768ce92e8 100644
--- a/drivers/phy/phy-mvebu-sata.c
+++ b/drivers/phy/phy-mvebu-sata.c
@@ -75,7 +75,7 @@ static int phy_mvebu_sata_power_off(struct phy *phy)
 	return 0;
 }
 
-static struct phy_ops phy_mvebu_sata_ops = {
+static const struct phy_ops phy_mvebu_sata_ops = {
 	.power_on	= phy_mvebu_sata_power_on,
 	.power_off	= phy_mvebu_sata_power_off,
 	.owner		= THIS_MODULE,
diff --git a/drivers/phy/phy-omap-usb2.c b/drivers/phy/phy-omap-usb2.c
index c1a468686..0fe80589f 100644
--- a/drivers/phy/phy-omap-usb2.c
+++ b/drivers/phy/phy-omap-usb2.c
@@ -137,7 +137,7 @@ static int omap_usb_init(struct phy *x)
 	return 0;
 }
 
-static struct phy_ops ops = {
+static const struct phy_ops ops = {
 	.init		= omap_usb_init,
 	.power_on	= omap_usb_power_on,
 	.power_off	= omap_usb_power_off,
diff --git a/drivers/phy/phy-qcom-apq8064-sata.c b/drivers/phy/phy-qcom-apq8064-sata.c
index 4b243f7a1..69ce2afac 100644
--- a/drivers/phy/phy-qcom-apq8064-sata.c
+++ b/drivers/phy/phy-qcom-apq8064-sata.c
@@ -204,7 +204,7 @@ static int qcom_apq8064_sata_phy_exit(struct phy *generic_phy)
 	return 0;
 }
 
-static struct phy_ops qcom_apq8064_sata_phy_ops = {
+static const struct phy_ops qcom_apq8064_sata_phy_ops = {
 	.init		= qcom_apq8064_sata_phy_init,
 	.exit		= qcom_apq8064_sata_phy_exit,
 	.owner		= THIS_MODULE,
diff --git a/drivers/phy/phy-qcom-ipq806x-sata.c b/drivers/phy/phy-qcom-ipq806x-sata.c
index 6f2fe2627..0ad127cc9 100644
--- a/drivers/phy/phy-qcom-ipq806x-sata.c
+++ b/drivers/phy/phy-qcom-ipq806x-sata.c
@@ -126,7 +126,7 @@ static int qcom_ipq806x_sata_phy_exit(struct phy *generic_phy)
 	return 0;
 }
 
-static struct phy_ops qcom_ipq806x_sata_phy_ops = {
+static const struct phy_ops qcom_ipq806x_sata_phy_ops = {
 	.init		= qcom_ipq806x_sata_phy_init,
 	.exit		= qcom_ipq806x_sata_phy_exit,
 	.owner		= THIS_MODULE,
diff --git a/drivers/phy/phy-qcom-ufs-i.h b/drivers/phy/phy-qcom-ufs-i.h
index 591a39175..2bd5ce43a 100644
--- a/drivers/phy/phy-qcom-ufs-i.h
+++ b/drivers/phy/phy-qcom-ufs-i.h
@@ -150,7 +150,7 @@ int ufs_qcom_phy_remove(struct phy *generic_phy,
 		       struct ufs_qcom_phy *ufs_qcom_phy);
 struct phy *ufs_qcom_phy_generic_probe(struct platform_device *pdev,
 			struct ufs_qcom_phy *common_cfg,
-			struct phy_ops *ufs_qcom_phy_gen_ops,
+			const struct phy_ops *ufs_qcom_phy_gen_ops,
 			struct ufs_qcom_phy_specific_ops *phy_spec_ops);
 int ufs_qcom_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,
 			struct ufs_qcom_phy_calibration *tbl_A, int tbl_size_A,
diff --git a/drivers/phy/phy-qcom-ufs-qmp-14nm.c b/drivers/phy/phy-qcom-ufs-qmp-14nm.c
index f5fc50a9f..56631e77c 100644
--- a/drivers/phy/phy-qcom-ufs-qmp-14nm.c
+++ b/drivers/phy/phy-qcom-ufs-qmp-14nm.c
@@ -115,7 +115,7 @@ static int ufs_qcom_phy_qmp_14nm_is_pcs_ready(struct ufs_qcom_phy *phy_common)
 	return err;
 }
 
-static struct phy_ops ufs_qcom_phy_qmp_14nm_phy_ops = {
+static const struct phy_ops ufs_qcom_phy_qmp_14nm_phy_ops = {
 	.init		= ufs_qcom_phy_qmp_14nm_init,
 	.exit		= ufs_qcom_phy_exit,
 	.power_on	= ufs_qcom_phy_power_on,
@@ -191,7 +191,6 @@ static struct platform_driver ufs_qcom_phy_qmp_14nm_driver = {
 	.driver = {
 		.of_match_table = ufs_qcom_phy_qmp_14nm_of_match,
 		.name = "ufs_qcom_phy_qmp_14nm",
-		.owner = THIS_MODULE,
 	},
 };
 
diff --git a/drivers/phy/phy-qcom-ufs-qmp-20nm.c b/drivers/phy/phy-qcom-ufs-qmp-20nm.c
index 8332f96b2..b16ea77d0 100644
--- a/drivers/phy/phy-qcom-ufs-qmp-20nm.c
+++ b/drivers/phy/phy-qcom-ufs-qmp-20nm.c
@@ -171,7 +171,7 @@ static int ufs_qcom_phy_qmp_20nm_is_pcs_ready(struct ufs_qcom_phy *phy_common)
 	return err;
 }
 
-static struct phy_ops ufs_qcom_phy_qmp_20nm_phy_ops = {
+static const struct phy_ops ufs_qcom_phy_qmp_20nm_phy_ops = {
 	.init		= ufs_qcom_phy_qmp_20nm_init,
 	.exit		= ufs_qcom_phy_exit,
 	.power_on	= ufs_qcom_phy_power_on,
@@ -247,7 +247,6 @@ static struct platform_driver ufs_qcom_phy_qmp_20nm_driver = {
 	.driver = {
 		.of_match_table = ufs_qcom_phy_qmp_20nm_of_match,
 		.name = "ufs_qcom_phy_qmp_20nm",
-		.owner = THIS_MODULE,
 	},
 };
 
diff --git a/drivers/phy/phy-qcom-ufs.c b/drivers/phy/phy-qcom-ufs.c
index f9c618f0a..107cb57c3 100644
--- a/drivers/phy/phy-qcom-ufs.c
+++ b/drivers/phy/phy-qcom-ufs.c
@@ -77,7 +77,7 @@ EXPORT_SYMBOL_GPL(ufs_qcom_phy_calibrate);
 
 struct phy *ufs_qcom_phy_generic_probe(struct platform_device *pdev,
 				struct ufs_qcom_phy *common_cfg,
-				struct phy_ops *ufs_qcom_phy_gen_ops,
+				const struct phy_ops *ufs_qcom_phy_gen_ops,
 				struct ufs_qcom_phy_specific_ops *phy_spec_ops)
 {
 	int err;
@@ -432,6 +432,7 @@ out_disable_src:
 out:
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_enable_ref_clk);
 
 static
 int ufs_qcom_phy_disable_vreg(struct phy *phy,
@@ -474,6 +475,7 @@ void ufs_qcom_phy_disable_ref_clk(struct phy *generic_phy)
 		phy->is_ref_clk_enabled = false;
 	}
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_disable_ref_clk);
 
 #define UFS_REF_CLK_EN	(1 << 5)
 
@@ -517,11 +519,13 @@ void ufs_qcom_phy_enable_dev_ref_clk(struct phy *generic_phy)
 {
 	ufs_qcom_phy_dev_ref_clk_ctrl(generic_phy, true);
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_enable_dev_ref_clk);
 
 void ufs_qcom_phy_disable_dev_ref_clk(struct phy *generic_phy)
 {
 	ufs_qcom_phy_dev_ref_clk_ctrl(generic_phy, false);
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_disable_dev_ref_clk);
 
 /* Turn ON M-PHY RMMI interface clocks */
 int ufs_qcom_phy_enable_iface_clk(struct phy *generic_phy)
@@ -550,6 +554,7 @@ int ufs_qcom_phy_enable_iface_clk(struct phy *generic_phy)
 out:
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_enable_iface_clk);
 
 /* Turn OFF M-PHY RMMI interface clocks */
 void ufs_qcom_phy_disable_iface_clk(struct phy *generic_phy)
@@ -562,6 +567,7 @@ void ufs_qcom_phy_disable_iface_clk(struct phy *generic_phy)
 		phy->is_iface_clk_enabled = false;
 	}
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_disable_iface_clk);
 
 int ufs_qcom_phy_start_serdes(struct phy *generic_phy)
 {
@@ -578,6 +584,7 @@ int ufs_qcom_phy_start_serdes(struct phy *generic_phy)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_start_serdes);
 
 int ufs_qcom_phy_set_tx_lane_enable(struct phy *generic_phy, u32 tx_lanes)
 {
@@ -595,6 +602,7 @@ int ufs_qcom_phy_set_tx_lane_enable(struct phy *generic_phy, u32 tx_lanes)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_set_tx_lane_enable);
 
 void ufs_qcom_phy_save_controller_version(struct phy *generic_phy,
 					  u8 major, u16 minor, u16 step)
@@ -605,6 +613,7 @@ void ufs_qcom_phy_save_controller_version(struct phy *generic_phy,
 	ufs_qcom_phy->host_ctrl_rev_minor = minor;
 	ufs_qcom_phy->host_ctrl_rev_step = step;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_save_controller_version);
 
 int ufs_qcom_phy_calibrate_phy(struct phy *generic_phy, bool is_rate_B)
 {
@@ -625,6 +634,7 @@ int ufs_qcom_phy_calibrate_phy(struct phy *generic_phy, bool is_rate_B)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_calibrate_phy);
 
 int ufs_qcom_phy_remove(struct phy *generic_phy,
 			struct ufs_qcom_phy *ufs_qcom_phy)
@@ -662,6 +672,7 @@ int ufs_qcom_phy_is_pcs_ready(struct phy *generic_phy)
 	return ufs_qcom_phy->phy_spec_ops->
 			is_physical_coding_sublayer_ready(ufs_qcom_phy);
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_is_pcs_ready);
 
 int ufs_qcom_phy_power_on(struct phy *generic_phy)
 {
diff --git a/drivers/phy/phy-rcar-gen2.c b/drivers/phy/phy-rcar-gen2.c
index 39d9b2995..6e0d9fa8e 100644
--- a/drivers/phy/phy-rcar-gen2.c
+++ b/drivers/phy/phy-rcar-gen2.c
@@ -184,7 +184,7 @@ static int rcar_gen2_phy_power_off(struct phy *p)
 	return 0;
 }
 
-static struct phy_ops rcar_gen2_phy_ops = {
+static const struct phy_ops rcar_gen2_phy_ops = {
 	.init		= rcar_gen2_phy_init,
 	.exit		= rcar_gen2_phy_exit,
 	.power_on	= rcar_gen2_phy_power_on,
diff --git a/drivers/phy/phy-rockchip-usb.c b/drivers/phy/phy-rockchip-usb.c
index 7d4c33643..91d6f342c 100644
--- a/drivers/phy/phy-rockchip-usb.c
+++ b/drivers/phy/phy-rockchip-usb.c
@@ -84,7 +84,7 @@ static int rockchip_usb_phy_power_on(struct phy *_phy)
 	return 0;
 }
 
-static struct phy_ops ops = {
+static const struct phy_ops ops = {
 	.power_on	= rockchip_usb_phy_power_on,
 	.power_off	= rockchip_usb_phy_power_off,
 	.owner		= THIS_MODULE,
@@ -98,6 +98,7 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev)
 	struct device_node *child;
 	struct regmap *grf;
 	unsigned int reg_offset;
+	int err;
 
 	grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,grf");
 	if (IS_ERR(grf)) {
@@ -129,6 +130,11 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev)
 			return PTR_ERR(rk_phy->phy);
 		}
 		phy_set_drvdata(rk_phy->phy, rk_phy);
+
+		/* only power up usb phy when it use, so disable it when init*/
+		err = rockchip_usb_phy_power(rk_phy, 1);
+		if (err)
+			return err;
 	}
 
 	phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
@@ -146,7 +152,6 @@ static struct platform_driver rockchip_usb_driver = {
 	.probe		= rockchip_usb_phy_probe,
 	.driver		= {
 		.name	= "rockchip-usb-phy",
-		.owner	= THIS_MODULE,
 		.of_match_table = rockchip_usb_phy_dt_ids,
 	},
 };
diff --git a/drivers/phy/phy-samsung-usb2.c b/drivers/phy/phy-samsung-usb2.c
index 55b699493..f278a9c54 100644
--- a/drivers/phy/phy-samsung-usb2.c
+++ b/drivers/phy/phy-samsung-usb2.c
@@ -71,7 +71,7 @@ static int samsung_usb2_phy_power_off(struct phy *phy)
 	return 0;
 }
 
-static struct phy_ops samsung_usb2_phy_ops = {
+static const struct phy_ops samsung_usb2_phy_ops = {
 	.power_on	= samsung_usb2_phy_power_on,
 	.power_off	= samsung_usb2_phy_power_off,
 	.owner		= THIS_MODULE,
diff --git a/drivers/phy/phy-spear1310-miphy.c b/drivers/phy/phy-spear1310-miphy.c
index 45d0005b2..ed67e98e5 100644
--- a/drivers/phy/phy-spear1310-miphy.c
+++ b/drivers/phy/phy-spear1310-miphy.c
@@ -179,7 +179,7 @@ static const struct of_device_id spear1310_miphy_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, spear1310_miphy_of_match);
 
-static struct phy_ops spear1310_miphy_ops = {
+static const struct phy_ops spear1310_miphy_ops = {
 	.init = spear1310_miphy_init,
 	.exit = spear1310_miphy_exit,
 	.owner = THIS_MODULE,
diff --git a/drivers/phy/phy-spear1340-miphy.c b/drivers/phy/phy-spear1340-miphy.c
index 494240da4..97280c0cf 100644
--- a/drivers/phy/phy-spear1340-miphy.c
+++ b/drivers/phy/phy-spear1340-miphy.c
@@ -189,7 +189,7 @@ static const struct of_device_id spear1340_miphy_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, spear1340_miphy_of_match);
 
-static struct phy_ops spear1340_miphy_ops = {
+static const struct phy_ops spear1340_miphy_ops = {
 	.init = spear1340_miphy_init,
 	.exit = spear1340_miphy_exit,
 	.owner = THIS_MODULE,
diff --git a/drivers/phy/phy-stih41x-usb.c b/drivers/phy/phy-stih41x-usb.c
index c093b472b..0ac74639a 100644
--- a/drivers/phy/phy-stih41x-usb.c
+++ b/drivers/phy/phy-stih41x-usb.c
@@ -112,7 +112,7 @@ static int stih41x_usb_phy_power_off(struct phy *phy)
 	return 0;
 }
 
-static struct phy_ops stih41x_usb_phy_ops = {
+static const struct phy_ops stih41x_usb_phy_ops = {
 	.init		= stih41x_usb_phy_init,
 	.power_on	= stih41x_usb_phy_power_on,
 	.power_off	= stih41x_usb_phy_power_off,
diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c
index 2dad7e820..731b395d6 100644
--- a/drivers/phy/phy-sun4i-usb.c
+++ b/drivers/phy/phy-sun4i-usb.c
@@ -1,7 +1,7 @@
 /*
  * Allwinner sun4i USB phy driver
  *
- * Copyright (C) 2014 Hans de Goede <hdegoede@redhat.com>
+ * Copyright (C) 2014-2015 Hans de Goede <hdegoede@redhat.com>
  *
  * Based on code from
  * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
@@ -22,23 +22,30 @@
  */
 
 #include <linux/clk.h>
+#include <linux/delay.h>
 #include <linux/err.h>
+#include <linux/extcon.h>
 #include <linux/io.h>
+#include <linux/interrupt.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/of_gpio.h>
 #include <linux/phy/phy.h>
 #include <linux/phy/phy-sun4i-usb.h>
 #include <linux/platform_device.h>
+#include <linux/power_supply.h>
 #include <linux/regulator/consumer.h>
 #include <linux/reset.h>
+#include <linux/workqueue.h>
 
 #define REG_ISCR			0x00
-#define REG_PHYCTL			0x04
+#define REG_PHYCTL_A10			0x04
 #define REG_PHYBIST			0x08
 #define REG_PHYTUNE			0x0c
+#define REG_PHYCTL_A33			0x10
 
 #define PHYCTL_DATA			BIT(7)
 
@@ -47,6 +54,17 @@
 #define SUNXI_AHB_INCRX_ALIGN_EN	BIT(8)
 #define SUNXI_ULPI_BYPASS_EN		BIT(0)
 
+/* ISCR, Interface Status and Control bits */
+#define ISCR_ID_PULLUP_EN		(1 << 17)
+#define ISCR_DPDM_PULLUP_EN	(1 << 16)
+/* sunxi has the phy id/vbus pins not connected, so we use the force bits */
+#define ISCR_FORCE_ID_MASK	(3 << 14)
+#define ISCR_FORCE_ID_LOW		(2 << 14)
+#define ISCR_FORCE_ID_HIGH	(3 << 14)
+#define ISCR_FORCE_VBUS_MASK	(3 << 12)
+#define ISCR_FORCE_VBUS_LOW	(2 << 12)
+#define ISCR_FORCE_VBUS_HIGH	(3 << 12)
+
 /* Common Control Bits for Both PHYs */
 #define PHY_PLL_BW			0x03
 #define PHY_RES45_CAL_EN		0x0c
@@ -63,60 +81,124 @@
 
 #define MAX_PHYS			3
 
+/*
+ * Note do not raise the debounce time, we must report Vusb high within 100ms
+ * otherwise we get Vbus errors
+ */
+#define DEBOUNCE_TIME			msecs_to_jiffies(50)
+#define POLL_TIME			msecs_to_jiffies(250)
+
 struct sun4i_usb_phy_data {
 	void __iomem *base;
 	struct mutex mutex;
 	int num_phys;
 	u32 disc_thresh;
+	bool has_a33_phyctl;
 	struct sun4i_usb_phy {
 		struct phy *phy;
 		void __iomem *pmu;
 		struct regulator *vbus;
 		struct reset_control *reset;
 		struct clk *clk;
+		bool regulator_on;
 		int index;
 	} phys[MAX_PHYS];
+	/* phy0 / otg related variables */
+	struct extcon_dev *extcon;
+	bool phy0_init;
+	bool phy0_poll;
+	struct gpio_desc *id_det_gpio;
+	struct gpio_desc *vbus_det_gpio;
+	struct power_supply *vbus_power_supply;
+	struct notifier_block vbus_power_nb;
+	bool vbus_power_nb_registered;
+	int id_det_irq;
+	int vbus_det_irq;
+	int id_det;
+	int vbus_det;
+	struct delayed_work detect;
 };
 
 #define to_sun4i_usb_phy_data(phy) \
 	container_of((phy), struct sun4i_usb_phy_data, phys[(phy)->index])
 
+static void sun4i_usb_phy0_update_iscr(struct phy *_phy, u32 clr, u32 set)
+{
+	struct sun4i_usb_phy *phy = phy_get_drvdata(_phy);
+	struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy);
+	u32 iscr;
+
+	iscr = readl(data->base + REG_ISCR);
+	iscr &= ~clr;
+	iscr |= set;
+	writel(iscr, data->base + REG_ISCR);
+}
+
+static void sun4i_usb_phy0_set_id_detect(struct phy *phy, u32 val)
+{
+	if (val)
+		val = ISCR_FORCE_ID_HIGH;
+	else
+		val = ISCR_FORCE_ID_LOW;
+
+	sun4i_usb_phy0_update_iscr(phy, ISCR_FORCE_ID_MASK, val);
+}
+
+static void sun4i_usb_phy0_set_vbus_detect(struct phy *phy, u32 val)
+{
+	if (val)
+		val = ISCR_FORCE_VBUS_HIGH;
+	else
+		val = ISCR_FORCE_VBUS_LOW;
+
+	sun4i_usb_phy0_update_iscr(phy, ISCR_FORCE_VBUS_MASK, val);
+}
+
 static void sun4i_usb_phy_write(struct sun4i_usb_phy *phy, u32 addr, u32 data,
 				int len)
 {
 	struct sun4i_usb_phy_data *phy_data = to_sun4i_usb_phy_data(phy);
 	u32 temp, usbc_bit = BIT(phy->index * 2);
+	void *phyctl;
 	int i;
 
 	mutex_lock(&phy_data->mutex);
 
+	if (phy_data->has_a33_phyctl) {
+		phyctl = phy_data->base + REG_PHYCTL_A33;
+		/* A33 needs us to set phyctl to 0 explicitly */
+		writel(0, phyctl);
+	} else {
+		phyctl = phy_data->base + REG_PHYCTL_A10;
+	}
+
 	for (i = 0; i < len; i++) {
-		temp = readl(phy_data->base + REG_PHYCTL);
+		temp = readl(phyctl);
 
 		/* clear the address portion */
 		temp &= ~(0xff << 8);
 
 		/* set the address */
 		temp |= ((addr + i) << 8);
-		writel(temp, phy_data->base + REG_PHYCTL);
+		writel(temp, phyctl);
 
 		/* set the data bit and clear usbc bit*/
-		temp = readb(phy_data->base + REG_PHYCTL);
+		temp = readb(phyctl);
 		if (data & 0x1)
 			temp |= PHYCTL_DATA;
 		else
 			temp &= ~PHYCTL_DATA;
 		temp &= ~usbc_bit;
-		writeb(temp, phy_data->base + REG_PHYCTL);
+		writeb(temp, phyctl);
 
 		/* pulse usbc_bit */
-		temp = readb(phy_data->base + REG_PHYCTL);
+		temp = readb(phyctl);
 		temp |= usbc_bit;
-		writeb(temp, phy_data->base + REG_PHYCTL);
+		writeb(temp, phyctl);
 
-		temp = readb(phy_data->base + REG_PHYCTL);
+		temp = readb(phyctl);
 		temp &= ~usbc_bit;
-		writeb(temp, phy_data->base + REG_PHYCTL);
+		writeb(temp, phyctl);
 
 		data >>= 1;
 	}
@@ -171,12 +253,39 @@ static int sun4i_usb_phy_init(struct phy *_phy)
 
 	sun4i_usb_phy_passby(phy, 1);
 
+	if (phy->index == 0) {
+		data->phy0_init = true;
+
+		/* Enable pull-ups */
+		sun4i_usb_phy0_update_iscr(_phy, 0, ISCR_DPDM_PULLUP_EN);
+		sun4i_usb_phy0_update_iscr(_phy, 0, ISCR_ID_PULLUP_EN);
+
+		if (data->id_det_gpio) {
+			/* OTG mode, force ISCR and cable state updates */
+			data->id_det = -1;
+			data->vbus_det = -1;
+			queue_delayed_work(system_wq, &data->detect, 0);
+		} else {
+			/* Host only mode */
+			sun4i_usb_phy0_set_id_detect(_phy, 0);
+			sun4i_usb_phy0_set_vbus_detect(_phy, 1);
+		}
+	}
+
 	return 0;
 }
 
 static int sun4i_usb_phy_exit(struct phy *_phy)
 {
 	struct sun4i_usb_phy *phy = phy_get_drvdata(_phy);
+	struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy);
+
+	if (phy->index == 0) {
+		/* Disable pull-ups */
+		sun4i_usb_phy0_update_iscr(_phy, ISCR_DPDM_PULLUP_EN, 0);
+		sun4i_usb_phy0_update_iscr(_phy, ISCR_ID_PULLUP_EN, 0);
+		data->phy0_init = false;
+	}
 
 	sun4i_usb_phy_passby(phy, 0);
 	reset_control_assert(phy->reset);
@@ -185,23 +294,74 @@ static int sun4i_usb_phy_exit(struct phy *_phy)
 	return 0;
 }
 
+static int sun4i_usb_phy0_get_vbus_det(struct sun4i_usb_phy_data *data)
+{
+	if (data->vbus_det_gpio)
+		return gpiod_get_value_cansleep(data->vbus_det_gpio);
+
+	if (data->vbus_power_supply) {
+		union power_supply_propval val;
+		int r;
+
+		r = power_supply_get_property(data->vbus_power_supply,
+					      POWER_SUPPLY_PROP_PRESENT, &val);
+		if (r == 0)
+			return val.intval;
+	}
+
+	/* Fallback: report vbus as high */
+	return 1;
+}
+
+static bool sun4i_usb_phy0_have_vbus_det(struct sun4i_usb_phy_data *data)
+{
+	return data->vbus_det_gpio || data->vbus_power_supply;
+}
+
 static int sun4i_usb_phy_power_on(struct phy *_phy)
 {
 	struct sun4i_usb_phy *phy = phy_get_drvdata(_phy);
-	int ret = 0;
+	struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy);
+	int ret;
+
+	if (!phy->vbus || phy->regulator_on)
+		return 0;
+
+	/* For phy0 only turn on Vbus if we don't have an ext. Vbus */
+	if (phy->index == 0 && sun4i_usb_phy0_have_vbus_det(data) &&
+				data->vbus_det)
+		return 0;
+
+	ret = regulator_enable(phy->vbus);
+	if (ret)
+		return ret;
+
+	phy->regulator_on = true;
 
-	if (phy->vbus)
-		ret = regulator_enable(phy->vbus);
+	/* We must report Vbus high within OTG_TIME_A_WAIT_VRISE msec. */
+	if (phy->index == 0 && data->vbus_det_gpio && data->phy0_poll)
+		mod_delayed_work(system_wq, &data->detect, DEBOUNCE_TIME);
 
-	return ret;
+	return 0;
 }
 
 static int sun4i_usb_phy_power_off(struct phy *_phy)
 {
 	struct sun4i_usb_phy *phy = phy_get_drvdata(_phy);
+	struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy);
+
+	if (!phy->vbus || !phy->regulator_on)
+		return 0;
+
+	regulator_disable(phy->vbus);
+	phy->regulator_on = false;
 
-	if (phy->vbus)
-		regulator_disable(phy->vbus);
+	/*
+	 * phy0 vbus typically slowly discharges, sometimes this causes the
+	 * Vbus gpio to not trigger an edge irq on Vbus off, so force a rescan.
+	 */
+	if (phy->index == 0 && data->vbus_det_gpio && !data->phy0_poll)
+		mod_delayed_work(system_wq, &data->detect, POLL_TIME);
 
 	return 0;
 }
@@ -214,7 +374,7 @@ void sun4i_usb_phy_set_squelch_detect(struct phy *_phy, bool enabled)
 }
 EXPORT_SYMBOL_GPL(sun4i_usb_phy_set_squelch_detect);
 
-static struct phy_ops sun4i_usb_phy_ops = {
+static const struct phy_ops sun4i_usb_phy_ops = {
 	.init		= sun4i_usb_phy_init,
 	.exit		= sun4i_usb_phy_exit,
 	.power_on	= sun4i_usb_phy_power_on,
@@ -222,6 +382,95 @@ static struct phy_ops sun4i_usb_phy_ops = {
 	.owner		= THIS_MODULE,
 };
 
+static void sun4i_usb_phy0_id_vbus_det_scan(struct work_struct *work)
+{
+	struct sun4i_usb_phy_data *data =
+		container_of(work, struct sun4i_usb_phy_data, detect.work);
+	struct phy *phy0 = data->phys[0].phy;
+	int id_det, vbus_det, id_notify = 0, vbus_notify = 0;
+
+	id_det = gpiod_get_value_cansleep(data->id_det_gpio);
+	vbus_det = sun4i_usb_phy0_get_vbus_det(data);
+
+	mutex_lock(&phy0->mutex);
+
+	if (!data->phy0_init) {
+		mutex_unlock(&phy0->mutex);
+		return;
+	}
+
+	if (id_det != data->id_det) {
+		/*
+		 * When a host cable (id == 0) gets plugged in on systems
+		 * without vbus detection report vbus low for long enough for
+		 * the musb-ip to end the current device session.
+		 */
+		if (!sun4i_usb_phy0_have_vbus_det(data) && id_det == 0) {
+			sun4i_usb_phy0_set_vbus_detect(phy0, 0);
+			msleep(200);
+			sun4i_usb_phy0_set_vbus_detect(phy0, 1);
+		}
+		sun4i_usb_phy0_set_id_detect(phy0, id_det);
+		data->id_det = id_det;
+		id_notify = 1;
+	}
+
+	if (vbus_det != data->vbus_det) {
+		sun4i_usb_phy0_set_vbus_detect(phy0, vbus_det);
+		data->vbus_det = vbus_det;
+		vbus_notify = 1;
+	}
+
+	mutex_unlock(&phy0->mutex);
+
+	if (id_notify) {
+		extcon_set_cable_state_(data->extcon, EXTCON_USB_HOST,
+					!id_det);
+		/*
+		 * When a host cable gets unplugged (id == 1) on systems
+		 * without vbus detection report vbus low for long enough to
+		 * the musb-ip to end the current host session.
+		 */
+		if (!sun4i_usb_phy0_have_vbus_det(data) && id_det == 1) {
+			mutex_lock(&phy0->mutex);
+			sun4i_usb_phy0_set_vbus_detect(phy0, 0);
+			msleep(1000);
+			sun4i_usb_phy0_set_vbus_detect(phy0, 1);
+			mutex_unlock(&phy0->mutex);
+		}
+	}
+
+	if (vbus_notify)
+		extcon_set_cable_state_(data->extcon, EXTCON_USB, vbus_det);
+
+	if (data->phy0_poll)
+		queue_delayed_work(system_wq, &data->detect, POLL_TIME);
+}
+
+static irqreturn_t sun4i_usb_phy0_id_vbus_det_irq(int irq, void *dev_id)
+{
+	struct sun4i_usb_phy_data *data = dev_id;
+
+	/* vbus or id changed, let the pins settle and then scan them */
+	mod_delayed_work(system_wq, &data->detect, DEBOUNCE_TIME);
+
+	return IRQ_HANDLED;
+}
+
+static int sun4i_usb_phy0_vbus_notify(struct notifier_block *nb,
+				      unsigned long val, void *v)
+{
+	struct sun4i_usb_phy_data *data =
+		container_of(nb, struct sun4i_usb_phy_data, vbus_power_nb);
+	struct power_supply *psy = v;
+
+	/* Properties on the vbus_power_supply changed, scan vbus_det */
+	if (val == PSY_EVENT_PROP_CHANGED && psy == data->vbus_power_supply)
+		mod_delayed_work(system_wq, &data->detect, DEBOUNCE_TIME);
+
+	return NOTIFY_OK;
+}
+
 static struct phy *sun4i_usb_phy_xlate(struct device *dev,
 					struct of_phandle_args *args)
 {
@@ -233,6 +482,29 @@ static struct phy *sun4i_usb_phy_xlate(struct device *dev,
 	return data->phys[args->args[0]].phy;
 }
 
+static int sun4i_usb_phy_remove(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct sun4i_usb_phy_data *data = dev_get_drvdata(dev);
+
+	if (data->vbus_power_nb_registered)
+		power_supply_unreg_notifier(&data->vbus_power_nb);
+	if (data->id_det_irq >= 0)
+		devm_free_irq(dev, data->id_det_irq, data);
+	if (data->vbus_det_irq >= 0)
+		devm_free_irq(dev, data->vbus_det_irq, data);
+
+	cancel_delayed_work_sync(&data->detect);
+
+	return 0;
+}
+
+static const unsigned int sun4i_usb_phy0_cable[] = {
+	EXTCON_USB,
+	EXTCON_USB_HOST,
+	EXTCON_NONE,
+};
+
 static int sun4i_usb_phy_probe(struct platform_device *pdev)
 {
 	struct sun4i_usb_phy_data *data;
@@ -241,35 +513,87 @@ static int sun4i_usb_phy_probe(struct platform_device *pdev)
 	struct phy_provider *phy_provider;
 	bool dedicated_clocks;
 	struct resource *res;
-	int i;
+	int i, ret;
 
 	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
 
 	mutex_init(&data->mutex);
+	INIT_DELAYED_WORK(&data->detect, sun4i_usb_phy0_id_vbus_det_scan);
+	dev_set_drvdata(dev, data);
 
-	if (of_device_is_compatible(np, "allwinner,sun5i-a13-usb-phy"))
+	if (of_device_is_compatible(np, "allwinner,sun5i-a13-usb-phy") ||
+	    of_device_is_compatible(np, "allwinner,sun8i-a23-usb-phy") ||
+	    of_device_is_compatible(np, "allwinner,sun8i-a33-usb-phy"))
 		data->num_phys = 2;
 	else
 		data->num_phys = 3;
 
-	if (of_device_is_compatible(np, "allwinner,sun4i-a10-usb-phy") ||
-	    of_device_is_compatible(np, "allwinner,sun6i-a31-usb-phy"))
-		data->disc_thresh = 3;
-	else
+	if (of_device_is_compatible(np, "allwinner,sun5i-a13-usb-phy") ||
+	    of_device_is_compatible(np, "allwinner,sun7i-a20-usb-phy"))
 		data->disc_thresh = 2;
+	else
+		data->disc_thresh = 3;
 
-	if (of_device_is_compatible(np, "allwinner,sun6i-a31-usb-phy"))
+	if (of_device_is_compatible(np, "allwinner,sun6i-a31-usb-phy") ||
+	    of_device_is_compatible(np, "allwinner,sun8i-a23-usb-phy") ||
+	    of_device_is_compatible(np, "allwinner,sun8i-a33-usb-phy"))
 		dedicated_clocks = true;
 	else
 		dedicated_clocks = false;
 
+	if (of_device_is_compatible(np, "allwinner,sun8i-a33-usb-phy"))
+		data->has_a33_phyctl = true;
+
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phy_ctrl");
 	data->base = devm_ioremap_resource(dev, res);
 	if (IS_ERR(data->base))
 		return PTR_ERR(data->base);
 
+	data->id_det_gpio = devm_gpiod_get(dev, "usb0_id_det", GPIOD_IN);
+	if (IS_ERR(data->id_det_gpio)) {
+		if (PTR_ERR(data->id_det_gpio) == -EPROBE_DEFER)
+			return -EPROBE_DEFER;
+		data->id_det_gpio = NULL;
+	}
+
+	data->vbus_det_gpio = devm_gpiod_get(dev, "usb0_vbus_det", GPIOD_IN);
+	if (IS_ERR(data->vbus_det_gpio)) {
+		if (PTR_ERR(data->vbus_det_gpio) == -EPROBE_DEFER)
+			return -EPROBE_DEFER;
+		data->vbus_det_gpio = NULL;
+	}
+
+	if (of_find_property(np, "usb0_vbus_power-supply", NULL)) {
+		data->vbus_power_supply = devm_power_supply_get_by_phandle(dev,
+						     "usb0_vbus_power-supply");
+		if (IS_ERR(data->vbus_power_supply))
+			return PTR_ERR(data->vbus_power_supply);
+
+		if (!data->vbus_power_supply)
+			return -EPROBE_DEFER;
+	}
+
+	/* vbus_det without id_det makes no sense, and is not supported */
+	if (sun4i_usb_phy0_have_vbus_det(data) && !data->id_det_gpio) {
+		dev_err(dev, "usb0_id_det missing or invalid\n");
+		return -ENODEV;
+	}
+
+	if (data->id_det_gpio) {
+		data->extcon = devm_extcon_dev_allocate(dev,
+							sun4i_usb_phy0_cable);
+		if (IS_ERR(data->extcon))
+			return PTR_ERR(data->extcon);
+
+		ret = devm_extcon_dev_register(dev, data->extcon);
+		if (ret) {
+			dev_err(dev, "failed to register extcon: %d\n", ret);
+			return ret;
+		}
+	}
+
 	for (i = 0; i < data->num_phys; i++) {
 		struct sun4i_usb_phy *phy = data->phys + i;
 		char name[16];
@@ -319,10 +643,54 @@ static int sun4i_usb_phy_probe(struct platform_device *pdev)
 		phy_set_drvdata(phy->phy, &data->phys[i]);
 	}
 
-	dev_set_drvdata(dev, data);
+	data->id_det_irq = gpiod_to_irq(data->id_det_gpio);
+	data->vbus_det_irq = gpiod_to_irq(data->vbus_det_gpio);
+	if ((data->id_det_gpio && data->id_det_irq < 0) ||
+	    (data->vbus_det_gpio && data->vbus_det_irq < 0))
+		data->phy0_poll = true;
+
+	if (data->id_det_irq >= 0) {
+		ret = devm_request_irq(dev, data->id_det_irq,
+				sun4i_usb_phy0_id_vbus_det_irq,
+				IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+				"usb0-id-det", data);
+		if (ret) {
+			dev_err(dev, "Err requesting id-det-irq: %d\n", ret);
+			return ret;
+		}
+	}
+
+	if (data->vbus_det_irq >= 0) {
+		ret = devm_request_irq(dev, data->vbus_det_irq,
+				sun4i_usb_phy0_id_vbus_det_irq,
+				IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+				"usb0-vbus-det", data);
+		if (ret) {
+			dev_err(dev, "Err requesting vbus-det-irq: %d\n", ret);
+			data->vbus_det_irq = -1;
+			sun4i_usb_phy_remove(pdev); /* Stop detect work */
+			return ret;
+		}
+	}
+
+	if (data->vbus_power_supply) {
+		data->vbus_power_nb.notifier_call = sun4i_usb_phy0_vbus_notify;
+		data->vbus_power_nb.priority = 0;
+		ret = power_supply_reg_notifier(&data->vbus_power_nb);
+		if (ret) {
+			sun4i_usb_phy_remove(pdev); /* Stop detect work */
+			return ret;
+		}
+		data->vbus_power_nb_registered = true;
+	}
+
 	phy_provider = devm_of_phy_provider_register(dev, sun4i_usb_phy_xlate);
+	if (IS_ERR(phy_provider)) {
+		sun4i_usb_phy_remove(pdev); /* Stop detect work */
+		return PTR_ERR(phy_provider);
+	}
 
-	return PTR_ERR_OR_ZERO(phy_provider);
+	return 0;
 }
 
 static const struct of_device_id sun4i_usb_phy_of_match[] = {
@@ -330,12 +698,15 @@ static const struct of_device_id sun4i_usb_phy_of_match[] = {
 	{ .compatible = "allwinner,sun5i-a13-usb-phy" },
 	{ .compatible = "allwinner,sun6i-a31-usb-phy" },
 	{ .compatible = "allwinner,sun7i-a20-usb-phy" },
+	{ .compatible = "allwinner,sun8i-a23-usb-phy" },
+	{ .compatible = "allwinner,sun8i-a33-usb-phy" },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, sun4i_usb_phy_of_match);
 
 static struct platform_driver sun4i_usb_phy_driver = {
 	.probe	= sun4i_usb_phy_probe,
+	.remove	= sun4i_usb_phy_remove,
 	.driver = {
 		.of_match_table	= sun4i_usb_phy_of_match,
 		.name  = "sun4i-usb-phy",
diff --git a/drivers/phy/phy-sun9i-usb.c b/drivers/phy/phy-sun9i-usb.c
index 0095914a6..ac4f31abe 100644
--- a/drivers/phy/phy-sun9i-usb.c
+++ b/drivers/phy/phy-sun9i-usb.c
@@ -114,7 +114,7 @@ static int sun9i_usb_phy_exit(struct phy *_phy)
 	return 0;
 }
 
-static struct phy_ops sun9i_usb_phy_ops = {
+static const struct phy_ops sun9i_usb_phy_ops = {
 	.init		= sun9i_usb_phy_init,
 	.exit		= sun9i_usb_phy_exit,
 	.owner		= THIS_MODULE,
diff --git a/drivers/phy/phy-ti-pipe3.c b/drivers/phy/phy-ti-pipe3.c
index 08020dc2c..93bc1120a 100644
--- a/drivers/phy/phy-ti-pipe3.c
+++ b/drivers/phy/phy-ti-pipe3.c
@@ -298,7 +298,7 @@ static int ti_pipe3_exit(struct phy *x)
 
 	return 0;
 }
-static struct phy_ops ops = {
+static const struct phy_ops ops = {
 	.init		= ti_pipe3_init,
 	.exit		= ti_pipe3_exit,
 	.power_on	= ti_pipe3_power_on,
diff --git a/drivers/phy/phy-tusb1210.c b/drivers/phy/phy-tusb1210.c
index 07efdd318..4f6d5e715 100644
--- a/drivers/phy/phy-tusb1210.c
+++ b/drivers/phy/phy-tusb1210.c
@@ -53,7 +53,7 @@ static int tusb1210_power_off(struct phy *phy)
 	return 0;
 }
 
-static struct phy_ops phy_ops = {
+static const struct phy_ops phy_ops = {
 	.power_on = tusb1210_power_on,
 	.power_off = tusb1210_power_off,
 	.owner = THIS_MODULE,
@@ -61,32 +61,26 @@ static struct phy_ops phy_ops = {
 
 static int tusb1210_probe(struct ulpi *ulpi)
 {
-	struct gpio_desc *gpio;
 	struct tusb1210 *tusb;
 	u8 val, reg;
-	int ret;
 
 	tusb = devm_kzalloc(&ulpi->dev, sizeof(*tusb), GFP_KERNEL);
 	if (!tusb)
 		return -ENOMEM;
 
-	gpio = devm_gpiod_get(&ulpi->dev, "reset");
-	if (!IS_ERR(gpio)) {
-		ret = gpiod_direction_output(gpio, 0);
-		if (ret)
-			return ret;
-		gpiod_set_value_cansleep(gpio, 1);
-		tusb->gpio_reset = gpio;
-	}
+	tusb->gpio_reset = devm_gpiod_get_optional(&ulpi->dev, "reset",
+						   GPIOD_OUT_LOW);
+	if (IS_ERR(tusb->gpio_reset))
+		return PTR_ERR(tusb->gpio_reset);
 
-	gpio = devm_gpiod_get(&ulpi->dev, "cs");
-	if (!IS_ERR(gpio)) {
-		ret = gpiod_direction_output(gpio, 0);
-		if (ret)
-			return ret;
-		gpiod_set_value_cansleep(gpio, 1);
-		tusb->gpio_cs = gpio;
-	}
+	gpiod_set_value_cansleep(tusb->gpio_reset, 1);
+
+	tusb->gpio_cs = devm_gpiod_get_optional(&ulpi->dev, "cs",
+						GPIOD_OUT_LOW);
+	if (IS_ERR(tusb->gpio_cs))
+		return PTR_ERR(tusb->gpio_cs);
+
+	gpiod_set_value_cansleep(tusb->gpio_cs, 1);
 
 	/*
 	 * VENDOR_SPECIFIC2 register in TUSB1210 can be used for configuring eye
diff --git a/drivers/phy/ulpi_phy.h b/drivers/phy/ulpi_phy.h
index ac49fb628..f2ebe490a 100644
--- a/drivers/phy/ulpi_phy.h
+++ b/drivers/phy/ulpi_phy.h
@@ -5,7 +5,7 @@
  * and it's controller, which is always the parent.
  */
 static inline struct phy
-*ulpi_phy_create(struct ulpi *ulpi, struct phy_ops *ops)
+*ulpi_phy_create(struct ulpi *ulpi, const struct phy_ops *ops)
 {
 	struct phy *phy;
 	int ret;