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-rw-r--r--drivers/phy/Kconfig18
-rw-r--r--drivers/phy/Makefile2
-rw-r--r--drivers/phy/phy-berlin-sata.c2
-rw-r--r--drivers/phy/phy-berlin-usb.c19
-rw-r--r--drivers/phy/phy-dm816x-usb.c290
-rw-r--r--drivers/phy/phy-exynos5-usbdrd.c10
-rw-r--r--drivers/phy/phy-miphy28lp.c5
-rw-r--r--drivers/phy/phy-miphy365x.c14
-rw-r--r--drivers/phy/phy-omap-control.c10
-rw-r--r--drivers/phy/phy-omap-usb2.c6
-rw-r--r--drivers/phy/phy-qcom-ufs.c33
-rw-r--r--drivers/phy/phy-samsung-usb2.c10
-rw-r--r--drivers/phy/phy-spear1310-miphy.c4
-rw-r--r--drivers/phy/phy-spear1340-miphy.c4
-rw-r--r--drivers/phy/phy-stih41x-usb.c8
-rw-r--r--drivers/phy/phy-sun9i-usb.c202
-rw-r--r--drivers/phy/phy-ti-pipe3.c9
-rw-r--r--drivers/phy/phy-xgene.c23
18 files changed, 580 insertions, 89 deletions
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index 2962de205ba7..a53bd5b52df9 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -35,6 +35,13 @@ config ARMADA375_USBCLUSTER_PHY
depends on OF
select GENERIC_PHY
+config PHY_DM816X_USB
+ tristate "TI dm816x USB PHY driver"
+ depends on ARCH_OMAP2PLUS
+ select GENERIC_PHY
+ help
+ Enable this for dm816x USB to work.
+
config PHY_EXYNOS_MIPI_VIDEO
tristate "S5P/EXYNOS SoC series MIPI CSI-2/DSI PHY driver"
depends on HAS_IOMEM
@@ -174,6 +181,17 @@ config PHY_SUN4I_USB
This driver controls the entire USB PHY block, both the USB OTG
parts, as well as the 2 regular USB 2 host PHYs.
+config PHY_SUN9I_USB
+ tristate "Allwinner sun9i SoC USB PHY driver"
+ depends on ARCH_SUNXI && HAS_IOMEM && OF
+ depends on RESET_CONTROLLER
+ select GENERIC_PHY
+ help
+ Enable this to support the transceiver that is part of Allwinner
+ sun9i SoCs.
+
+ This driver controls each individual USB 2 host PHY.
+
config PHY_SAMSUNG_USB2
tristate "Samsung USB 2.0 PHY driver"
depends on HAS_IOMEM
diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
index f080e1bb2a74..f12625178780 100644
--- a/drivers/phy/Makefile
+++ b/drivers/phy/Makefile
@@ -5,6 +5,7 @@
obj-$(CONFIG_GENERIC_PHY) += phy-core.o
obj-$(CONFIG_PHY_BERLIN_USB) += phy-berlin-usb.o
obj-$(CONFIG_PHY_BERLIN_SATA) += phy-berlin-sata.o
+obj-$(CONFIG_PHY_DM816X_USB) += phy-dm816x-usb.o
obj-$(CONFIG_ARMADA375_USBCLUSTER_PHY) += phy-armada375-usb2.o
obj-$(CONFIG_BCM_KONA_USB2_PHY) += phy-bcm-kona-usb2.o
obj-$(CONFIG_PHY_EXYNOS_DP_VIDEO) += phy-exynos-dp-video.o
@@ -20,6 +21,7 @@ obj-$(CONFIG_TWL4030_USB) += phy-twl4030-usb.o
obj-$(CONFIG_PHY_EXYNOS5250_SATA) += phy-exynos5250-sata.o
obj-$(CONFIG_PHY_HIX5HD2_SATA) += phy-hix5hd2-sata.o
obj-$(CONFIG_PHY_SUN4I_USB) += phy-sun4i-usb.o
+obj-$(CONFIG_PHY_SUN9I_USB) += phy-sun9i-usb.o
obj-$(CONFIG_PHY_SAMSUNG_USB2) += phy-exynos-usb2.o
phy-exynos-usb2-y += phy-samsung-usb2.o
phy-exynos-usb2-$(CONFIG_PHY_EXYNOS4210_USB2) += phy-exynos4210-usb2.o
diff --git a/drivers/phy/phy-berlin-sata.c b/drivers/phy/phy-berlin-sata.c
index 099eee8851e5..6f3e06d687de 100644
--- a/drivers/phy/phy-berlin-sata.c
+++ b/drivers/phy/phy-berlin-sata.c
@@ -218,7 +218,7 @@ static int phy_berlin_sata_probe(struct platform_device *pdev)
if (priv->nphys == 0)
return -ENODEV;
- priv->phys = devm_kzalloc(dev, priv->nphys * sizeof(*priv->phys),
+ priv->phys = devm_kcalloc(dev, priv->nphys, sizeof(*priv->phys),
GFP_KERNEL);
if (!priv->phys)
return -ENOMEM;
diff --git a/drivers/phy/phy-berlin-usb.c b/drivers/phy/phy-berlin-usb.c
index c8a8d53a6ece..c6fc95b53083 100644
--- a/drivers/phy/phy-berlin-usb.c
+++ b/drivers/phy/phy-berlin-usb.c
@@ -103,9 +103,6 @@
#define MODE_TEST_EN BIT(11)
#define ANA_TEST_DC_CTRL(x) ((x) << 12)
-#define to_phy_berlin_usb_priv(p) \
- container_of((p), struct phy_berlin_usb_priv, phy)
-
static const u32 phy_berlin_pll_dividers[] = {
/* Berlin 2 */
CLK_REF_DIV(0xc) | FEEDBACK_CLK_DIV(0x54),
@@ -115,14 +112,13 @@ static const u32 phy_berlin_pll_dividers[] = {
struct phy_berlin_usb_priv {
void __iomem *base;
- struct phy *phy;
struct reset_control *rst_ctrl;
u32 pll_divider;
};
static int phy_berlin_usb_power_on(struct phy *phy)
{
- struct phy_berlin_usb_priv *priv = dev_get_drvdata(phy->dev.parent);
+ struct phy_berlin_usb_priv *priv = phy_get_drvdata(phy);
reset_control_reset(priv->rst_ctrl);
@@ -175,6 +171,7 @@ static int phy_berlin_usb_probe(struct platform_device *pdev)
of_match_device(phy_berlin_sata_of_match, &pdev->dev);
struct phy_berlin_usb_priv *priv;
struct resource *res;
+ struct phy *phy;
struct phy_provider *phy_provider;
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
@@ -192,20 +189,18 @@ static int phy_berlin_usb_probe(struct platform_device *pdev)
priv->pll_divider = *((u32 *)match->data);
- priv->phy = devm_phy_create(&pdev->dev, NULL, &phy_berlin_usb_ops);
- if (IS_ERR(priv->phy)) {
+ phy = devm_phy_create(&pdev->dev, NULL, &phy_berlin_usb_ops);
+ if (IS_ERR(phy)) {
dev_err(&pdev->dev, "failed to create PHY\n");
- return PTR_ERR(priv->phy);
+ return PTR_ERR(phy);
}
platform_set_drvdata(pdev, priv);
+ phy_set_drvdata(phy, priv);
phy_provider =
devm_of_phy_provider_register(&pdev->dev, of_phy_simple_xlate);
- if (IS_ERR(phy_provider))
- return PTR_ERR(phy_provider);
-
- return 0;
+ return PTR_ERR_OR_ZERO(phy_provider);
}
static struct platform_driver phy_berlin_usb_driver = {
diff --git a/drivers/phy/phy-dm816x-usb.c b/drivers/phy/phy-dm816x-usb.c
new file mode 100644
index 000000000000..7b42555ddd51
--- /dev/null
+++ b/drivers/phy/phy-dm816x-usb.c
@@ -0,0 +1,290 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; 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/platform_device.h>
+#include <linux/regmap.h>
+
+#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/io.h>
+#include <linux/usb/phy_companion.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/pm_runtime.h>
+#include <linux/delay.h>
+#include <linux/phy/phy.h>
+#include <linux/of_platform.h>
+
+#include <linux/mfd/syscon.h>
+
+/*
+ * TRM has two sets of USB_CTRL registers.. The correct register bits
+ * are in TRM section 24.9.8.2 USB_CTRL Register. The TRM documents the
+ * phy as being SR70LX Synopsys USB 2.0 OTG nanoPHY. It also seems at
+ * least dm816x rev c ignores writes to USB_CTRL register, but the TI
+ * kernel is writing to those so it's possible that later revisions
+ * have worknig USB_CTRL register.
+ *
+ * Also note that At least USB_CTRL register seems to be dm816x specific
+ * according to the TRM. It's possible that USBPHY_CTRL is more generic,
+ * but that would have to be checked against the SR70LX documentation
+ * which does not seem to be publicly available.
+ *
+ * Finally, the phy on dm814x and am335x is different from dm816x.
+ */
+#define DM816X_USB_CTRL_PHYCLKSRC BIT(8) /* 1 = PLL ref clock */
+#define DM816X_USB_CTRL_PHYSLEEP1 BIT(1) /* Enable the first phy */
+#define DM816X_USB_CTRL_PHYSLEEP0 BIT(0) /* Enable the second phy */
+
+#define DM816X_USBPHY_CTRL_TXRISETUNE 1
+#define DM816X_USBPHY_CTRL_TXVREFTUNE 0xc
+#define DM816X_USBPHY_CTRL_TXPREEMTUNE 0x2
+
+struct dm816x_usb_phy {
+ struct regmap *syscon;
+ struct device *dev;
+ unsigned int instance;
+ struct clk *refclk;
+ struct usb_phy phy;
+ unsigned int usb_ctrl; /* Shared between phy0 and phy1 */
+ unsigned int usbphy_ctrl;
+};
+
+static int dm816x_usb_phy_set_host(struct usb_otg *otg, struct usb_bus *host)
+{
+ otg->host = host;
+ if (!host)
+ otg->state = OTG_STATE_UNDEFINED;
+
+ return 0;
+}
+
+static int dm816x_usb_phy_set_peripheral(struct usb_otg *otg,
+ struct usb_gadget *gadget)
+{
+ otg->gadget = gadget;
+ if (!gadget)
+ otg->state = OTG_STATE_UNDEFINED;
+
+ return 0;
+}
+
+static int dm816x_usb_phy_init(struct phy *x)
+{
+ struct dm816x_usb_phy *phy = phy_get_drvdata(x);
+ unsigned int val;
+ int error;
+
+ if (clk_get_rate(phy->refclk) != 24000000)
+ dev_warn(phy->dev, "nonstandard phy refclk\n");
+
+ /* Set PLL ref clock and put phys to sleep */
+ error = regmap_update_bits(phy->syscon, phy->usb_ctrl,
+ DM816X_USB_CTRL_PHYCLKSRC |
+ DM816X_USB_CTRL_PHYSLEEP1 |
+ DM816X_USB_CTRL_PHYSLEEP0,
+ 0);
+ regmap_read(phy->syscon, phy->usb_ctrl, &val);
+ if ((val & 3) != 0)
+ dev_info(phy->dev,
+ "Working dm816x USB_CTRL! (0x%08x)\n",
+ val);
+
+ /*
+ * TI kernel sets these values for "symmetrical eye diagram and
+ * better signal quality" so let's assume somebody checked the
+ * values with a scope and set them here too.
+ */
+ regmap_read(phy->syscon, phy->usbphy_ctrl, &val);
+ val |= DM816X_USBPHY_CTRL_TXRISETUNE |
+ DM816X_USBPHY_CTRL_TXVREFTUNE |
+ DM816X_USBPHY_CTRL_TXPREEMTUNE;
+ regmap_write(phy->syscon, phy->usbphy_ctrl, val);
+
+ return 0;
+}
+
+static struct phy_ops ops = {
+ .init = dm816x_usb_phy_init,
+ .owner = THIS_MODULE,
+};
+
+static int dm816x_usb_phy_runtime_suspend(struct device *dev)
+{
+ struct dm816x_usb_phy *phy = dev_get_drvdata(dev);
+ unsigned int mask, val;
+ int error = 0;
+
+ mask = BIT(phy->instance);
+ val = ~BIT(phy->instance);
+ error = regmap_update_bits(phy->syscon, phy->usb_ctrl,
+ mask, val);
+ if (error)
+ dev_err(phy->dev, "phy%i failed to power off\n",
+ phy->instance);
+ clk_disable(phy->refclk);
+
+ return 0;
+}
+
+static int dm816x_usb_phy_runtime_resume(struct device *dev)
+{
+ struct dm816x_usb_phy *phy = dev_get_drvdata(dev);
+ unsigned int mask, val;
+ int error;
+
+ error = clk_enable(phy->refclk);
+ if (error)
+ return error;
+
+ /*
+ * Note that at least dm816x rev c does not seem to do
+ * anything with the USB_CTRL register. But let's follow
+ * what the TI tree is doing in case later revisions use
+ * USB_CTRL.
+ */
+ mask = BIT(phy->instance);
+ val = BIT(phy->instance);
+ error = regmap_update_bits(phy->syscon, phy->usb_ctrl,
+ mask, val);
+ if (error) {
+ dev_err(phy->dev, "phy%i failed to power on\n",
+ phy->instance);
+ clk_disable(phy->refclk);
+ return error;
+ }
+
+ return 0;
+}
+
+static UNIVERSAL_DEV_PM_OPS(dm816x_usb_phy_pm_ops,
+ dm816x_usb_phy_runtime_suspend,
+ dm816x_usb_phy_runtime_resume,
+ NULL);
+
+#ifdef CONFIG_OF
+static const struct of_device_id dm816x_usb_phy_id_table[] = {
+ {
+ .compatible = "ti,dm8168-usb-phy",
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, dm816x_usb_phy_id_table);
+#endif
+
+static int dm816x_usb_phy_probe(struct platform_device *pdev)
+{
+ struct dm816x_usb_phy *phy;
+ struct resource *res;
+ struct phy *generic_phy;
+ struct phy_provider *phy_provider;
+ struct usb_otg *otg;
+ const struct of_device_id *of_id;
+ const struct usb_phy_data *phy_data;
+ int error;
+
+ of_id = of_match_device(of_match_ptr(dm816x_usb_phy_id_table),
+ &pdev->dev);
+ if (!of_id)
+ return -EINVAL;
+
+ phy = devm_kzalloc(&pdev->dev, sizeof(*phy), GFP_KERNEL);
+ if (!phy)
+ return -ENOMEM;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENOENT;
+
+ phy->syscon = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
+ "syscon");
+ if (IS_ERR(phy->syscon))
+ return PTR_ERR(phy->syscon);
+
+ /*
+ * According to sprs614e.pdf, the first usb_ctrl is shared and
+ * the second instance for usb_ctrl is reserved.. Also the
+ * register bits are different from earlier TRMs.
+ */
+ phy->usb_ctrl = 0x20;
+ phy->usbphy_ctrl = (res->start & 0xff) + 4;
+ if (phy->usbphy_ctrl == 0x2c)
+ phy->instance = 1;
+
+ phy_data = of_id->data;
+
+ otg = devm_kzalloc(&pdev->dev, sizeof(*otg), GFP_KERNEL);
+ if (!otg)
+ return -ENOMEM;
+
+ phy->dev = &pdev->dev;
+ phy->phy.dev = phy->dev;
+ phy->phy.label = "dm8168_usb_phy";
+ phy->phy.otg = otg;
+ phy->phy.type = USB_PHY_TYPE_USB2;
+ otg->set_host = dm816x_usb_phy_set_host;
+ otg->set_peripheral = dm816x_usb_phy_set_peripheral;
+ otg->usb_phy = &phy->phy;
+
+ platform_set_drvdata(pdev, phy);
+
+ phy->refclk = devm_clk_get(phy->dev, "refclk");
+ if (IS_ERR(phy->refclk))
+ return PTR_ERR(phy->refclk);
+ error = clk_prepare(phy->refclk);
+ if (error)
+ return error;
+
+ pm_runtime_enable(phy->dev);
+ generic_phy = devm_phy_create(phy->dev, NULL, &ops);
+ if (IS_ERR(generic_phy))
+ return PTR_ERR(generic_phy);
+
+ phy_set_drvdata(generic_phy, phy);
+
+ phy_provider = devm_of_phy_provider_register(phy->dev,
+ of_phy_simple_xlate);
+ if (IS_ERR(phy_provider))
+ return PTR_ERR(phy_provider);
+
+ usb_add_phy_dev(&phy->phy);
+
+ return 0;
+}
+
+static int dm816x_usb_phy_remove(struct platform_device *pdev)
+{
+ struct dm816x_usb_phy *phy = platform_get_drvdata(pdev);
+
+ usb_remove_phy(&phy->phy);
+ pm_runtime_disable(phy->dev);
+ clk_unprepare(phy->refclk);
+
+ return 0;
+}
+
+static struct platform_driver dm816x_usb_phy_driver = {
+ .probe = dm816x_usb_phy_probe,
+ .remove = dm816x_usb_phy_remove,
+ .driver = {
+ .name = "dm816x-usb-phy",
+ .pm = &dm816x_usb_phy_pm_ops,
+ .of_match_table = of_match_ptr(dm816x_usb_phy_id_table),
+ },
+};
+
+module_platform_driver(dm816x_usb_phy_driver);
+
+MODULE_ALIAS("platform:dm816x_usb");
+MODULE_AUTHOR("Tony Lindgren <tony@atomide.com>");
+MODULE_DESCRIPTION("dm816x usb phy driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/phy/phy-exynos5-usbdrd.c b/drivers/phy/phy-exynos5-usbdrd.c
index e2a0be750ad9..d72ef15b0d68 100644
--- a/drivers/phy/phy-exynos5-usbdrd.c
+++ b/drivers/phy/phy-exynos5-usbdrd.c
@@ -624,6 +624,13 @@ static const struct exynos5_usbdrd_phy_drvdata exynos5250_usbdrd_phy = {
.has_common_clk_gate = true,
};
+static const struct exynos5_usbdrd_phy_drvdata exynos5433_usbdrd_phy = {
+ .phy_cfg = phy_cfg_exynos5,
+ .pmu_offset_usbdrd0_phy = EXYNOS5_USBDRD_PHY_CONTROL,
+ .pmu_offset_usbdrd1_phy = EXYNOS5433_USBHOST30_PHY_CONTROL,
+ .has_common_clk_gate = false,
+};
+
static const struct exynos5_usbdrd_phy_drvdata exynos7_usbdrd_phy = {
.phy_cfg = phy_cfg_exynos5,
.pmu_offset_usbdrd0_phy = EXYNOS5_USBDRD_PHY_CONTROL,
@@ -638,6 +645,9 @@ static const struct of_device_id exynos5_usbdrd_phy_of_match[] = {
.compatible = "samsung,exynos5420-usbdrd-phy",
.data = &exynos5420_usbdrd_phy
}, {
+ .compatible = "samsung,exynos5433-usbdrd-phy",
+ .data = &exynos5433_usbdrd_phy
+ }, {
.compatible = "samsung,exynos7-usbdrd-phy",
.data = &exynos7_usbdrd_phy
},
diff --git a/drivers/phy/phy-miphy28lp.c b/drivers/phy/phy-miphy28lp.c
index 933435214acc..c4cc11dcb2a2 100644
--- a/drivers/phy/phy-miphy28lp.c
+++ b/drivers/phy/phy-miphy28lp.c
@@ -1259,10 +1259,7 @@ static int miphy28lp_probe(struct platform_device *pdev)
}
provider = devm_of_phy_provider_register(&pdev->dev, miphy28lp_xlate);
- if (IS_ERR(provider))
- return PTR_ERR(provider);
-
- return 0;
+ return PTR_ERR_OR_ZERO(provider);
}
static const struct of_device_id miphy28lp_of_match[] = {
diff --git a/drivers/phy/phy-miphy365x.c b/drivers/phy/phy-miphy365x.c
index 51b459db9137..019c2d75344e 100644
--- a/drivers/phy/phy-miphy365x.c
+++ b/drivers/phy/phy-miphy365x.c
@@ -25,7 +25,7 @@
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
-#include <dt-bindings/phy/phy-miphy365x.h>
+#include <dt-bindings/phy/phy.h>
#define HFC_TIMEOUT 100
@@ -177,7 +177,7 @@ static u8 rx_tx_spd[] = {
static int miphy365x_set_path(struct miphy365x_phy *miphy_phy,
struct miphy365x_dev *miphy_dev)
{
- bool sata = (miphy_phy->type == MIPHY_TYPE_SATA);
+ bool sata = (miphy_phy->type == PHY_TYPE_SATA);
return regmap_update_bits(miphy_dev->regmap,
miphy_phy->ctrlreg,
@@ -431,7 +431,7 @@ static int miphy365x_init(struct phy *phy)
}
/* Initialise Miphy for PCIe or SATA */
- if (miphy_phy->type == MIPHY_TYPE_PCIE)
+ if (miphy_phy->type == PHY_TYPE_PCIE)
ret = miphy365x_init_pcie_port(miphy_phy, miphy_dev);
else
ret = miphy365x_init_sata_port(miphy_phy, miphy_dev);
@@ -455,8 +455,8 @@ int miphy365x_get_addr(struct device *dev, struct miphy365x_phy *miphy_phy,
return ret;
}
- if (!((!strncmp(name, "sata", 4) && type == MIPHY_TYPE_SATA) ||
- (!strncmp(name, "pcie", 4) && type == MIPHY_TYPE_PCIE)))
+ if (!((!strncmp(name, "sata", 4) && type == PHY_TYPE_SATA) ||
+ (!strncmp(name, "pcie", 4) && type == PHY_TYPE_PCIE)))
return 0;
miphy_phy->base = of_iomap(phynode, index);
@@ -499,8 +499,8 @@ static struct phy *miphy365x_xlate(struct device *dev,
miphy_phy->type = args->args[0];
- if (!(miphy_phy->type == MIPHY_TYPE_SATA ||
- miphy_phy->type == MIPHY_TYPE_PCIE)) {
+ if (!(miphy_phy->type == PHY_TYPE_SATA ||
+ miphy_phy->type == PHY_TYPE_PCIE)) {
dev_err(dev, "Unsupported device type: %d\n", miphy_phy->type);
return ERR_PTR(-EINVAL);
}
diff --git a/drivers/phy/phy-omap-control.c b/drivers/phy/phy-omap-control.c
index 93252e053a31..e9c41b3fa0ee 100644
--- a/drivers/phy/phy-omap-control.c
+++ b/drivers/phy/phy-omap-control.c
@@ -216,7 +216,6 @@ void omap_control_usb_set_mode(struct device *dev,
return;
ctrl_phy = dev_get_drvdata(dev);
-
if (!ctrl_phy) {
dev_err(dev, "Invalid control phy device\n");
return;
@@ -241,8 +240,6 @@ void omap_control_usb_set_mode(struct device *dev,
}
EXPORT_SYMBOL_GPL(omap_control_usb_set_mode);
-#ifdef CONFIG_OF
-
static const enum omap_control_phy_type otghs_data = OMAP_CTRL_TYPE_OTGHS;
static const enum omap_control_phy_type usb2_data = OMAP_CTRL_TYPE_USB2;
static const enum omap_control_phy_type pipe3_data = OMAP_CTRL_TYPE_PIPE3;
@@ -278,8 +275,6 @@ static const struct of_device_id omap_control_phy_id_table[] = {
{},
};
MODULE_DEVICE_TABLE(of, omap_control_phy_id_table);
-#endif
-
static int omap_control_phy_probe(struct platform_device *pdev)
{
@@ -287,8 +282,7 @@ static int omap_control_phy_probe(struct platform_device *pdev)
const struct of_device_id *of_id;
struct omap_control_phy *control_phy;
- of_id = of_match_device(of_match_ptr(omap_control_phy_id_table),
- &pdev->dev);
+ of_id = of_match_device(omap_control_phy_id_table, &pdev->dev);
if (!of_id)
return -EINVAL;
@@ -344,7 +338,7 @@ static struct platform_driver omap_control_phy_driver = {
.probe = omap_control_phy_probe,
.driver = {
.name = "omap-control-phy",
- .of_match_table = of_match_ptr(omap_control_phy_id_table),
+ .of_match_table = omap_control_phy_id_table,
},
};
diff --git a/drivers/phy/phy-omap-usb2.c b/drivers/phy/phy-omap-usb2.c
index 4757e765696a..183ef4368101 100644
--- a/drivers/phy/phy-omap-usb2.c
+++ b/drivers/phy/phy-omap-usb2.c
@@ -144,7 +144,6 @@ static struct phy_ops ops = {
.owner = THIS_MODULE,
};
-#ifdef CONFIG_OF
static const struct usb_phy_data omap_usb2_data = {
.label = "omap_usb2",
.flags = OMAP_USB2_HAS_START_SRP | OMAP_USB2_HAS_SET_VBUS,
@@ -185,7 +184,6 @@ static const struct of_device_id omap_usb2_id_table[] = {
{},
};
MODULE_DEVICE_TABLE(of, omap_usb2_id_table);
-#endif
static int omap_usb2_probe(struct platform_device *pdev)
{
@@ -200,7 +198,7 @@ static int omap_usb2_probe(struct platform_device *pdev)
const struct of_device_id *of_id;
struct usb_phy_data *phy_data;
- of_id = of_match_device(of_match_ptr(omap_usb2_id_table), &pdev->dev);
+ of_id = of_match_device(omap_usb2_id_table, &pdev->dev);
if (!of_id)
return -EINVAL;
@@ -378,7 +376,7 @@ static struct platform_driver omap_usb2_driver = {
.driver = {
.name = "omap-usb2",
.pm = DEV_PM_OPS,
- .of_match_table = of_match_ptr(omap_usb2_id_table),
+ .of_match_table = omap_usb2_id_table,
},
};
diff --git a/drivers/phy/phy-qcom-ufs.c b/drivers/phy/phy-qcom-ufs.c
index 44ee983d57fe..c4199e605ce2 100644
--- a/drivers/phy/phy-qcom-ufs.c
+++ b/drivers/phy/phy-qcom-ufs.c
@@ -73,6 +73,7 @@ int ufs_qcom_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,
out:
return ret;
}
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_calibrate);
struct phy *ufs_qcom_phy_generic_probe(struct platform_device *pdev,
struct ufs_qcom_phy *common_cfg,
@@ -101,6 +102,7 @@ struct phy *ufs_qcom_phy_generic_probe(struct platform_device *pdev,
if (IS_ERR(generic_phy)) {
err = PTR_ERR(generic_phy);
dev_err(dev, "%s: failed to create phy %d\n", __func__, err);
+ generic_phy = NULL;
goto out;
}
@@ -110,6 +112,7 @@ struct phy *ufs_qcom_phy_generic_probe(struct platform_device *pdev,
out:
return generic_phy;
}
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_generic_probe);
/*
* This assumes the embedded phy structure inside generic_phy is of type
@@ -121,6 +124,7 @@ struct ufs_qcom_phy *get_ufs_qcom_phy(struct phy *generic_phy)
{
return (struct ufs_qcom_phy *)phy_get_drvdata(generic_phy);
}
+EXPORT_SYMBOL_GPL(get_ufs_qcom_phy);
static
int ufs_qcom_phy_base_init(struct platform_device *pdev,
@@ -131,40 +135,23 @@ int ufs_qcom_phy_base_init(struct platform_device *pdev,
int err = 0;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phy_mem");
- if (!res) {
- dev_err(dev, "%s: phy_mem resource not found\n", __func__);
- err = -ENOMEM;
- goto out;
- }
-
phy_common->mmio = devm_ioremap_resource(dev, res);
if (IS_ERR((void const *)phy_common->mmio)) {
err = PTR_ERR((void const *)phy_common->mmio);
phy_common->mmio = NULL;
dev_err(dev, "%s: ioremap for phy_mem resource failed %d\n",
__func__, err);
- goto out;
+ return err;
}
/* "dev_ref_clk_ctrl_mem" is optional resource */
res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
"dev_ref_clk_ctrl_mem");
- if (!res) {
- dev_dbg(dev, "%s: dev_ref_clk_ctrl_mem resource not found\n",
- __func__);
- goto out;
- }
-
phy_common->dev_ref_clk_ctrl_mmio = devm_ioremap_resource(dev, res);
- if (IS_ERR((void const *)phy_common->dev_ref_clk_ctrl_mmio)) {
- err = PTR_ERR((void const *)phy_common->dev_ref_clk_ctrl_mmio);
+ if (IS_ERR((void const *)phy_common->dev_ref_clk_ctrl_mmio))
phy_common->dev_ref_clk_ctrl_mmio = NULL;
- dev_err(dev, "%s: ioremap for dev_ref_clk_ctrl_mem resource failed %d\n",
- __func__, err);
- }
-out:
- return err;
+ return 0;
}
static int __ufs_qcom_phy_clk_get(struct phy *phy,
@@ -228,6 +215,7 @@ ufs_qcom_phy_init_clks(struct phy *generic_phy,
out:
return err;
}
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_init_clks);
int
ufs_qcom_phy_init_vregulators(struct phy *generic_phy,
@@ -252,6 +240,7 @@ ufs_qcom_phy_init_vregulators(struct phy *generic_phy,
out:
return err;
}
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_init_vregulators);
static int __ufs_qcom_phy_init_vreg(struct phy *phy,
struct ufs_qcom_phy_vreg *vreg, const char *name, bool optional)
@@ -647,6 +636,7 @@ int ufs_qcom_phy_remove(struct phy *generic_phy,
return 0;
}
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_remove);
int ufs_qcom_phy_exit(struct phy *generic_phy)
{
@@ -657,6 +647,7 @@ int ufs_qcom_phy_exit(struct phy *generic_phy)
return 0;
}
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_exit);
int ufs_qcom_phy_is_pcs_ready(struct phy *generic_phy)
{
@@ -725,6 +716,7 @@ out_disable_phy:
out:
return err;
}
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_power_on);
int ufs_qcom_phy_power_off(struct phy *generic_phy)
{
@@ -743,3 +735,4 @@ int ufs_qcom_phy_power_off(struct phy *generic_phy)
return 0;
}
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_power_off);
diff --git a/drivers/phy/phy-samsung-usb2.c b/drivers/phy/phy-samsung-usb2.c
index 4a12f66b7fb5..55b6994932e3 100644
--- a/drivers/phy/phy-samsung-usb2.c
+++ b/drivers/phy/phy-samsung-usb2.c
@@ -37,10 +37,14 @@ static int samsung_usb2_phy_power_on(struct phy *phy)
spin_lock(&drv->lock);
ret = inst->cfg->power_on(inst);
spin_unlock(&drv->lock);
+ if (ret)
+ goto err_power_on;
}
return 0;
+err_power_on:
+ clk_disable_unprepare(drv->ref_clk);
err_instance_clk:
clk_disable_unprepare(drv->clk);
err_main_clk:
@@ -51,7 +55,7 @@ static int samsung_usb2_phy_power_off(struct phy *phy)
{
struct samsung_usb2_phy_instance *inst = phy_get_drvdata(phy);
struct samsung_usb2_phy_driver *drv = inst->drv;
- int ret = 0;
+ int ret;
dev_dbg(drv->dev, "Request to power_off \"%s\" usb phy\n",
inst->cfg->label);
@@ -59,10 +63,12 @@ static int samsung_usb2_phy_power_off(struct phy *phy)
spin_lock(&drv->lock);
ret = inst->cfg->power_off(inst);
spin_unlock(&drv->lock);
+ if (ret)
+ return ret;
}
clk_disable_unprepare(drv->ref_clk);
clk_disable_unprepare(drv->clk);
- return ret;
+ return 0;
}
static struct phy_ops samsung_usb2_phy_ops = {
diff --git a/drivers/phy/phy-spear1310-miphy.c b/drivers/phy/phy-spear1310-miphy.c
index 9f47fae7eecb..65ae640cfbd1 100644
--- a/drivers/phy/phy-spear1310-miphy.c
+++ b/drivers/phy/phy-spear1310-miphy.c
@@ -192,14 +192,14 @@ static struct phy *spear1310_miphy_xlate(struct device *dev,
if (args->args_count < 1) {
dev_err(dev, "DT did not pass correct no of args\n");
- return NULL;
+ return ERR_PTR(-ENODEV);
}
priv->mode = args->args[0];
if (priv->mode != SATA && priv->mode != PCIE) {
dev_err(dev, "DT did not pass correct phy mode\n");
- return NULL;
+ return ERR_PTR(-ENODEV);
}
return priv->phy;
diff --git a/drivers/phy/phy-spear1340-miphy.c b/drivers/phy/phy-spear1340-miphy.c
index e42bc200275f..1a00c2817f34 100644
--- a/drivers/phy/phy-spear1340-miphy.c
+++ b/drivers/phy/phy-spear1340-miphy.c
@@ -229,14 +229,14 @@ static struct phy *spear1340_miphy_xlate(struct device *dev,
if (args->args_count < 1) {
dev_err(dev, "DT did not pass correct no of args\n");
- return NULL;
+ return ERR_PTR(-ENODEV);
}
priv->mode = args->args[0];
if (priv->mode != SATA && priv->mode != PCIE) {
dev_err(dev, "DT did not pass correct phy mode\n");
- return NULL;
+ return ERR_PTR(-ENODEV);
}
return priv->phy;
diff --git a/drivers/phy/phy-stih41x-usb.c b/drivers/phy/phy-stih41x-usb.c
index a603801293ff..c093b472b57d 100644
--- a/drivers/phy/phy-stih41x-usb.c
+++ b/drivers/phy/phy-stih41x-usb.c
@@ -87,8 +87,12 @@ static int stih41x_usb_phy_power_on(struct phy *phy)
return ret;
}
- return regmap_update_bits(phy_dev->regmap, phy_dev->cfg->syscfg,
- phy_dev->cfg->oscok, phy_dev->cfg->oscok);
+ ret = regmap_update_bits(phy_dev->regmap, phy_dev->cfg->syscfg,
+ phy_dev->cfg->oscok, phy_dev->cfg->oscok);
+ if (ret)
+ clk_disable_unprepare(phy_dev->clk);
+
+ return ret;
}
static int stih41x_usb_phy_power_off(struct phy *phy)
diff --git a/drivers/phy/phy-sun9i-usb.c b/drivers/phy/phy-sun9i-usb.c
new file mode 100644
index 000000000000..0095914a662c
--- /dev/null
+++ b/drivers/phy/phy-sun9i-usb.c
@@ -0,0 +1,202 @@
+/*
+ * Allwinner sun9i USB phy driver
+ *
+ * Copyright (C) 2014-2015 Chen-Yu Tsai <wens@csie.org>
+ *
+ * Based on phy-sun4i-usb.c from
+ * Hans de Goede <hdegoede@redhat.com>
+ *
+ * and code from
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/phy/phy.h>
+#include <linux/usb/of.h>
+#include <linux/platform_device.h>
+#include <linux/reset.h>
+
+#define SUNXI_AHB_INCR16_BURST_EN BIT(11)
+#define SUNXI_AHB_INCR8_BURST_EN BIT(10)
+#define SUNXI_AHB_INCR4_BURST_EN BIT(9)
+#define SUNXI_AHB_INCRX_ALIGN_EN BIT(8)
+#define SUNXI_ULPI_BYPASS_EN BIT(0)
+
+/* usb1 HSIC specific bits */
+#define SUNXI_EHCI_HS_FORCE BIT(20)
+#define SUNXI_HSIC_CONNECT_DET BIT(17)
+#define SUNXI_HSIC_CONNECT_INT BIT(16)
+#define SUNXI_HSIC BIT(1)
+
+struct sun9i_usb_phy {
+ struct phy *phy;
+ void __iomem *pmu;
+ struct reset_control *reset;
+ struct clk *clk;
+ struct clk *hsic_clk;
+ enum usb_phy_interface type;
+};
+
+static void sun9i_usb_phy_passby(struct sun9i_usb_phy *phy, int enable)
+{
+ u32 bits, reg_value;
+
+ bits = SUNXI_AHB_INCR16_BURST_EN | SUNXI_AHB_INCR8_BURST_EN |
+ SUNXI_AHB_INCR4_BURST_EN | SUNXI_AHB_INCRX_ALIGN_EN |
+ SUNXI_ULPI_BYPASS_EN;
+
+ if (phy->type == USBPHY_INTERFACE_MODE_HSIC)
+ bits |= SUNXI_HSIC | SUNXI_EHCI_HS_FORCE |
+ SUNXI_HSIC_CONNECT_DET | SUNXI_HSIC_CONNECT_INT;
+
+ reg_value = readl(phy->pmu);
+
+ if (enable)
+ reg_value |= bits;
+ else
+ reg_value &= ~bits;
+
+ writel(reg_value, phy->pmu);
+}
+
+static int sun9i_usb_phy_init(struct phy *_phy)
+{
+ struct sun9i_usb_phy *phy = phy_get_drvdata(_phy);
+ int ret;
+
+ ret = clk_prepare_enable(phy->clk);
+ if (ret)
+ goto err_clk;
+
+ ret = clk_prepare_enable(phy->hsic_clk);
+ if (ret)
+ goto err_hsic_clk;
+
+ ret = reset_control_deassert(phy->reset);
+ if (ret)
+ goto err_reset;
+
+ sun9i_usb_phy_passby(phy, 1);
+ return 0;
+
+err_reset:
+ clk_disable_unprepare(phy->hsic_clk);
+
+err_hsic_clk:
+ clk_disable_unprepare(phy->clk);
+
+err_clk:
+ return ret;
+}
+
+static int sun9i_usb_phy_exit(struct phy *_phy)
+{
+ struct sun9i_usb_phy *phy = phy_get_drvdata(_phy);
+
+ sun9i_usb_phy_passby(phy, 0);
+ reset_control_assert(phy->reset);
+ clk_disable_unprepare(phy->hsic_clk);
+ clk_disable_unprepare(phy->clk);
+
+ return 0;
+}
+
+static struct phy_ops sun9i_usb_phy_ops = {
+ .init = sun9i_usb_phy_init,
+ .exit = sun9i_usb_phy_exit,
+ .owner = THIS_MODULE,
+};
+
+static int sun9i_usb_phy_probe(struct platform_device *pdev)
+{
+ struct sun9i_usb_phy *phy;
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ struct phy_provider *phy_provider;
+ struct resource *res;
+
+ phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
+ if (!phy)
+ return -ENOMEM;
+
+ phy->type = of_usb_get_phy_mode(np);
+ if (phy->type == USBPHY_INTERFACE_MODE_HSIC) {
+ phy->clk = devm_clk_get(dev, "hsic_480M");
+ if (IS_ERR(phy->clk)) {
+ dev_err(dev, "failed to get hsic_480M clock\n");
+ return PTR_ERR(phy->clk);
+ }
+
+ phy->hsic_clk = devm_clk_get(dev, "hsic_12M");
+ if (IS_ERR(phy->clk)) {
+ dev_err(dev, "failed to get hsic_12M clock\n");
+ return PTR_ERR(phy->clk);
+ }
+
+ phy->reset = devm_reset_control_get(dev, "hsic");
+ if (IS_ERR(phy->reset)) {
+ dev_err(dev, "failed to get reset control\n");
+ return PTR_ERR(phy->reset);
+ }
+ } else {
+ phy->clk = devm_clk_get(dev, "phy");
+ if (IS_ERR(phy->clk)) {
+ dev_err(dev, "failed to get phy clock\n");
+ return PTR_ERR(phy->clk);
+ }
+
+ phy->reset = devm_reset_control_get(dev, "phy");
+ if (IS_ERR(phy->reset)) {
+ dev_err(dev, "failed to get reset control\n");
+ return PTR_ERR(phy->reset);
+ }
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ phy->pmu = devm_ioremap_resource(dev, res);
+ if (IS_ERR(phy->pmu))
+ return PTR_ERR(phy->pmu);
+
+ phy->phy = devm_phy_create(dev, NULL, &sun9i_usb_phy_ops);
+ if (IS_ERR(phy->phy)) {
+ dev_err(dev, "failed to create PHY\n");
+ return PTR_ERR(phy->phy);
+ }
+
+ phy_set_drvdata(phy->phy, phy);
+ phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
+
+ return PTR_ERR_OR_ZERO(phy_provider);
+}
+
+static const struct of_device_id sun9i_usb_phy_of_match[] = {
+ { .compatible = "allwinner,sun9i-a80-usb-phy" },
+ { },
+};
+MODULE_DEVICE_TABLE(of, sun9i_usb_phy_of_match);
+
+static struct platform_driver sun9i_usb_phy_driver = {
+ .probe = sun9i_usb_phy_probe,
+ .driver = {
+ .of_match_table = sun9i_usb_phy_of_match,
+ .name = "sun9i-usb-phy",
+ }
+};
+module_platform_driver(sun9i_usb_phy_driver);
+
+MODULE_DESCRIPTION("Allwinner sun9i USB phy driver");
+MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/phy/phy-ti-pipe3.c b/drivers/phy/phy-ti-pipe3.c
index 2ba610b72ca2..53f295c1bab1 100644
--- a/drivers/phy/phy-ti-pipe3.c
+++ b/drivers/phy/phy-ti-pipe3.c
@@ -287,9 +287,7 @@ static struct phy_ops ops = {
.owner = THIS_MODULE,
};
-#ifdef CONFIG_OF
static const struct of_device_id ti_pipe3_id_table[];
-#endif
static int ti_pipe3_probe(struct platform_device *pdev)
{
@@ -311,8 +309,7 @@ static int ti_pipe3_probe(struct platform_device *pdev)
spin_lock_init(&phy->lock);
if (!of_device_is_compatible(node, "ti,phy-pipe3-pcie")) {
- match = of_match_device(of_match_ptr(ti_pipe3_id_table),
- &pdev->dev);
+ match = of_match_device(ti_pipe3_id_table, &pdev->dev);
if (!match)
return -EINVAL;
@@ -570,7 +567,6 @@ static const struct dev_pm_ops ti_pipe3_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(ti_pipe3_suspend, ti_pipe3_resume)
};
-#ifdef CONFIG_OF
static const struct of_device_id ti_pipe3_id_table[] = {
{
.compatible = "ti,phy-usb3",
@@ -590,7 +586,6 @@ static const struct of_device_id ti_pipe3_id_table[] = {
{}
};
MODULE_DEVICE_TABLE(of, ti_pipe3_id_table);
-#endif
static struct platform_driver ti_pipe3_driver = {
.probe = ti_pipe3_probe,
@@ -598,7 +593,7 @@ static struct platform_driver ti_pipe3_driver = {
.driver = {
.name = "ti-pipe3",
.pm = &ti_pipe3_pm_ops,
- .of_match_table = of_match_ptr(ti_pipe3_id_table),
+ .of_match_table = ti_pipe3_id_table,
},
};
diff --git a/drivers/phy/phy-xgene.c b/drivers/phy/phy-xgene.c
index 2263cd010032..385362e5b2f6 100644
--- a/drivers/phy/phy-xgene.c
+++ b/drivers/phy/phy-xgene.c
@@ -1657,7 +1657,6 @@ static int xgene_phy_probe(struct platform_device *pdev)
struct phy_provider *phy_provider;
struct xgene_phy_ctx *ctx;
struct resource *res;
- int rc = 0;
u32 default_spd[] = DEFAULT_SATA_SPD_SEL;
u32 default_txboost_gain[] = DEFAULT_SATA_TXBOOST_GAIN;
u32 default_txeye_direction[] = DEFAULT_SATA_TXEYEDIRECTION;
@@ -1676,10 +1675,8 @@ static int xgene_phy_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
ctx->sds_base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(ctx->sds_base)) {
- rc = PTR_ERR(ctx->sds_base);
- goto error;
- }
+ if (IS_ERR(ctx->sds_base))
+ return PTR_ERR(ctx->sds_base);
/* Retrieve optional clock */
ctx->clk = clk_get(&pdev->dev, NULL);
@@ -1709,22 +1706,12 @@ static int xgene_phy_probe(struct platform_device *pdev)
ctx->phy = devm_phy_create(ctx->dev, NULL, &xgene_phy_ops);
if (IS_ERR(ctx->phy)) {
dev_dbg(&pdev->dev, "Failed to create PHY\n");
- rc = PTR_ERR(ctx->phy);
- goto error;
+ return PTR_ERR(ctx->phy);
}
phy_set_drvdata(ctx->phy, ctx);
- phy_provider = devm_of_phy_provider_register(ctx->dev,
- xgene_phy_xlate);
- if (IS_ERR(phy_provider)) {
- rc = PTR_ERR(phy_provider);
- goto error;
- }
-
- return 0;
-
-error:
- return rc;
+ phy_provider = devm_of_phy_provider_register(ctx->dev, xgene_phy_xlate);
+ return PTR_ERR_OR_ZERO(phy_provider);
}
static const struct of_device_id xgene_phy_of_match[] = {