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-rw-r--r--kernel/include/linux/phy/omap_control_phy.h99
-rw-r--r--kernel/include/linux/phy/omap_usb.h77
-rw-r--r--kernel/include/linux/phy/phy-qcom-ufs.h59
-rw-r--r--kernel/include/linux/phy/phy.h336
4 files changed, 571 insertions, 0 deletions
diff --git a/kernel/include/linux/phy/omap_control_phy.h b/kernel/include/linux/phy/omap_control_phy.h
new file mode 100644
index 000000000..eb7d4a135
--- /dev/null
+++ b/kernel/include/linux/phy/omap_control_phy.h
@@ -0,0 +1,99 @@
+/*
+ * omap_control_phy.h - Header file for the PHY part of control module.
+ *
+ * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.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.
+ *
+ * Author: Kishon Vijay Abraham I <kishon@ti.com>
+ *
+ * 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.
+ *
+ */
+
+#ifndef __OMAP_CONTROL_PHY_H__
+#define __OMAP_CONTROL_PHY_H__
+
+enum omap_control_phy_type {
+ OMAP_CTRL_TYPE_OTGHS = 1, /* Mailbox OTGHS_CONTROL */
+ OMAP_CTRL_TYPE_USB2, /* USB2_PHY, power down in CONTROL_DEV_CONF */
+ OMAP_CTRL_TYPE_PIPE3, /* PIPE3 PHY, DPLL & seperate Rx/Tx power */
+ OMAP_CTRL_TYPE_PCIE, /* RX TX control of ACSPCIE */
+ OMAP_CTRL_TYPE_DRA7USB2, /* USB2 PHY, power and power_aux e.g. DRA7 */
+ OMAP_CTRL_TYPE_AM437USB2, /* USB2 PHY, power e.g. AM437x */
+};
+
+struct omap_control_phy {
+ struct device *dev;
+
+ u32 __iomem *otghs_control;
+ u32 __iomem *power;
+ u32 __iomem *power_aux;
+ u32 __iomem *pcie_pcs;
+
+ struct clk *sys_clk;
+
+ enum omap_control_phy_type type;
+};
+
+enum omap_control_usb_mode {
+ USB_MODE_UNDEFINED = 0,
+ USB_MODE_HOST,
+ USB_MODE_DEVICE,
+ USB_MODE_DISCONNECT,
+};
+
+#define OMAP_CTRL_DEV_PHY_PD BIT(0)
+
+#define OMAP_CTRL_DEV_AVALID BIT(0)
+#define OMAP_CTRL_DEV_BVALID BIT(1)
+#define OMAP_CTRL_DEV_VBUSVALID BIT(2)
+#define OMAP_CTRL_DEV_SESSEND BIT(3)
+#define OMAP_CTRL_DEV_IDDIG BIT(4)
+
+#define OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_CMD_MASK 0x003FC000
+#define OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_CMD_SHIFT 0xE
+
+#define OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_FREQ_MASK 0xFFC00000
+#define OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_FREQ_SHIFT 0x16
+
+#define OMAP_CTRL_PIPE3_PHY_TX_RX_POWERON 0x3
+#define OMAP_CTRL_PIPE3_PHY_TX_RX_POWEROFF 0x0
+
+#define OMAP_CTRL_PCIE_PCS_MASK 0xff
+#define OMAP_CTRL_PCIE_PCS_DELAY_COUNT_SHIFT 16
+
+#define OMAP_CTRL_USB2_PHY_PD BIT(28)
+
+#define AM437X_CTRL_USB2_PHY_PD BIT(0)
+#define AM437X_CTRL_USB2_OTG_PD BIT(1)
+#define AM437X_CTRL_USB2_OTGVDET_EN BIT(19)
+#define AM437X_CTRL_USB2_OTGSESSEND_EN BIT(20)
+
+#if IS_ENABLED(CONFIG_OMAP_CONTROL_PHY)
+void omap_control_phy_power(struct device *dev, int on);
+void omap_control_usb_set_mode(struct device *dev,
+ enum omap_control_usb_mode mode);
+void omap_control_pcie_pcs(struct device *dev, u8 delay);
+#else
+
+static inline void omap_control_phy_power(struct device *dev, int on)
+{
+}
+
+static inline void omap_control_usb_set_mode(struct device *dev,
+ enum omap_control_usb_mode mode)
+{
+}
+
+static inline void omap_control_pcie_pcs(struct device *dev, u8 delay)
+{
+}
+#endif
+
+#endif /* __OMAP_CONTROL_PHY_H__ */
diff --git a/kernel/include/linux/phy/omap_usb.h b/kernel/include/linux/phy/omap_usb.h
new file mode 100644
index 000000000..dc2c541a6
--- /dev/null
+++ b/kernel/include/linux/phy/omap_usb.h
@@ -0,0 +1,77 @@
+/*
+ * omap_usb.h -- omap usb2 phy header file
+ *
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.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.
+ *
+ * Author: Kishon Vijay Abraham I <kishon@ti.com>
+ *
+ * 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.
+ *
+ */
+
+#ifndef __DRIVERS_OMAP_USB2_H
+#define __DRIVERS_OMAP_USB2_H
+
+#include <linux/io.h>
+#include <linux/usb/otg.h>
+
+struct usb_dpll_params {
+ u16 m;
+ u8 n;
+ u8 freq:3;
+ u8 sd;
+ u32 mf;
+};
+
+struct omap_usb {
+ struct usb_phy phy;
+ struct phy_companion *comparator;
+ void __iomem *pll_ctrl_base;
+ void __iomem *phy_base;
+ struct device *dev;
+ struct device *control_dev;
+ struct clk *wkupclk;
+ struct clk *optclk;
+ u8 flags;
+};
+
+struct usb_phy_data {
+ const char *label;
+ u8 flags;
+};
+
+/* Driver Flags */
+#define OMAP_USB2_HAS_START_SRP (1 << 0)
+#define OMAP_USB2_HAS_SET_VBUS (1 << 1)
+#define OMAP_USB2_CALIBRATE_FALSE_DISCONNECT (1 << 2)
+
+#define phy_to_omapusb(x) container_of((x), struct omap_usb, phy)
+
+#if defined(CONFIG_OMAP_USB2) || defined(CONFIG_OMAP_USB2_MODULE)
+extern int omap_usb2_set_comparator(struct phy_companion *comparator);
+#else
+static inline int omap_usb2_set_comparator(struct phy_companion *comparator)
+{
+ return -ENODEV;
+}
+#endif
+
+static inline u32 omap_usb_readl(void __iomem *addr, unsigned offset)
+{
+ return __raw_readl(addr + offset);
+}
+
+static inline void omap_usb_writel(void __iomem *addr, unsigned offset,
+ u32 data)
+{
+ __raw_writel(data, addr + offset);
+}
+
+#endif /* __DRIVERS_OMAP_USB_H */
diff --git a/kernel/include/linux/phy/phy-qcom-ufs.h b/kernel/include/linux/phy/phy-qcom-ufs.h
new file mode 100644
index 000000000..9d18e9f94
--- /dev/null
+++ b/kernel/include/linux/phy/phy-qcom-ufs.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2013-2015, 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.
+ *
+ */
+
+#ifndef PHY_QCOM_UFS_H_
+#define PHY_QCOM_UFS_H_
+
+#include "phy.h"
+
+/**
+ * ufs_qcom_phy_enable_ref_clk() - Enable the phy
+ * ref clock.
+ * @phy: reference to a generic phy
+ *
+ * returns 0 for success, and non-zero for error.
+ */
+int ufs_qcom_phy_enable_ref_clk(struct phy *phy);
+
+/**
+ * ufs_qcom_phy_disable_ref_clk() - Disable the phy
+ * ref clock.
+ * @phy: reference to a generic phy.
+ */
+void ufs_qcom_phy_disable_ref_clk(struct phy *phy);
+
+/**
+ * ufs_qcom_phy_enable_dev_ref_clk() - Enable the device
+ * ref clock.
+ * @phy: reference to a generic phy.
+ */
+void ufs_qcom_phy_enable_dev_ref_clk(struct phy *phy);
+
+/**
+ * ufs_qcom_phy_disable_dev_ref_clk() - Disable the device
+ * ref clock.
+ * @phy: reference to a generic phy.
+ */
+void ufs_qcom_phy_disable_dev_ref_clk(struct phy *phy);
+
+int ufs_qcom_phy_enable_iface_clk(struct phy *phy);
+void ufs_qcom_phy_disable_iface_clk(struct phy *phy);
+int ufs_qcom_phy_start_serdes(struct phy *phy);
+int ufs_qcom_phy_set_tx_lane_enable(struct phy *phy, u32 tx_lanes);
+int ufs_qcom_phy_calibrate_phy(struct phy *phy, bool is_rate_B);
+int ufs_qcom_phy_is_pcs_ready(struct phy *phy);
+void ufs_qcom_phy_save_controller_version(struct phy *phy,
+ u8 major, u16 minor, u16 step);
+
+#endif /* PHY_QCOM_UFS_H_ */
diff --git a/kernel/include/linux/phy/phy.h b/kernel/include/linux/phy/phy.h
new file mode 100644
index 000000000..a0197fa1b
--- /dev/null
+++ b/kernel/include/linux/phy/phy.h
@@ -0,0 +1,336 @@
+/*
+ * phy.h -- generic phy header file
+ *
+ * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com
+ *
+ * Author: Kishon Vijay Abraham I <kishon@ti.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.
+ */
+
+#ifndef __DRIVERS_PHY_H
+#define __DRIVERS_PHY_H
+
+#include <linux/err.h>
+#include <linux/of.h>
+#include <linux/device.h>
+#include <linux/pm_runtime.h>
+#include <linux/regulator/consumer.h>
+
+struct phy;
+
+/**
+ * struct phy_ops - set of function pointers for performing phy operations
+ * @init: operation to be performed for initializing phy
+ * @exit: operation to be performed while exiting
+ * @power_on: powering on the phy
+ * @power_off: powering off the phy
+ * @owner: the module owner containing the ops
+ */
+struct phy_ops {
+ int (*init)(struct phy *phy);
+ int (*exit)(struct phy *phy);
+ int (*power_on)(struct phy *phy);
+ int (*power_off)(struct phy *phy);
+ struct module *owner;
+};
+
+/**
+ * struct phy_attrs - represents phy attributes
+ * @bus_width: Data path width implemented by PHY
+ */
+struct phy_attrs {
+ u32 bus_width;
+};
+
+/**
+ * struct phy - represents the phy device
+ * @dev: phy device
+ * @id: id of the phy device
+ * @ops: function pointers for performing phy operations
+ * @init_data: list of PHY consumers (non-dt only)
+ * @mutex: mutex to protect phy_ops
+ * @init_count: used to protect when the PHY is used by multiple consumers
+ * @power_count: used to protect when the PHY is used by multiple consumers
+ * @phy_attrs: used to specify PHY specific attributes
+ */
+struct phy {
+ struct device dev;
+ int id;
+ const struct phy_ops *ops;
+ struct mutex mutex;
+ int init_count;
+ int power_count;
+ struct phy_attrs attrs;
+ struct regulator *pwr;
+};
+
+/**
+ * struct phy_provider - represents the phy provider
+ * @dev: phy provider device
+ * @owner: the module owner having of_xlate
+ * @of_xlate: function pointer to obtain phy instance from phy pointer
+ * @list: to maintain a linked list of PHY providers
+ */
+struct phy_provider {
+ struct device *dev;
+ struct module *owner;
+ struct list_head list;
+ struct phy * (*of_xlate)(struct device *dev,
+ struct of_phandle_args *args);
+};
+
+struct phy_lookup {
+ struct list_head node;
+ const char *dev_id;
+ const char *con_id;
+ struct phy *phy;
+};
+
+#define to_phy(a) (container_of((a), struct phy, dev))
+
+#define of_phy_provider_register(dev, xlate) \
+ __of_phy_provider_register((dev), THIS_MODULE, (xlate))
+
+#define devm_of_phy_provider_register(dev, xlate) \
+ __devm_of_phy_provider_register((dev), THIS_MODULE, (xlate))
+
+static inline void phy_set_drvdata(struct phy *phy, void *data)
+{
+ dev_set_drvdata(&phy->dev, data);
+}
+
+static inline void *phy_get_drvdata(struct phy *phy)
+{
+ return dev_get_drvdata(&phy->dev);
+}
+
+#if IS_ENABLED(CONFIG_GENERIC_PHY)
+int phy_pm_runtime_get(struct phy *phy);
+int phy_pm_runtime_get_sync(struct phy *phy);
+int phy_pm_runtime_put(struct phy *phy);
+int phy_pm_runtime_put_sync(struct phy *phy);
+void phy_pm_runtime_allow(struct phy *phy);
+void phy_pm_runtime_forbid(struct phy *phy);
+int phy_init(struct phy *phy);
+int phy_exit(struct phy *phy);
+int phy_power_on(struct phy *phy);
+int phy_power_off(struct phy *phy);
+static inline int phy_get_bus_width(struct phy *phy)
+{
+ return phy->attrs.bus_width;
+}
+static inline void phy_set_bus_width(struct phy *phy, int bus_width)
+{
+ phy->attrs.bus_width = bus_width;
+}
+struct phy *phy_get(struct device *dev, const char *string);
+struct phy *phy_optional_get(struct device *dev, const char *string);
+struct phy *devm_phy_get(struct device *dev, const char *string);
+struct phy *devm_phy_optional_get(struct device *dev, const char *string);
+struct phy *devm_of_phy_get(struct device *dev, struct device_node *np,
+ const char *con_id);
+void phy_put(struct phy *phy);
+void devm_phy_put(struct device *dev, struct phy *phy);
+struct phy *of_phy_get(struct device_node *np, const char *con_id);
+struct phy *of_phy_simple_xlate(struct device *dev,
+ struct of_phandle_args *args);
+struct phy *phy_create(struct device *dev, struct device_node *node,
+ const struct phy_ops *ops);
+struct phy *devm_phy_create(struct device *dev, struct device_node *node,
+ const struct phy_ops *ops);
+void phy_destroy(struct phy *phy);
+void devm_phy_destroy(struct device *dev, struct phy *phy);
+struct phy_provider *__of_phy_provider_register(struct device *dev,
+ struct module *owner, struct phy * (*of_xlate)(struct device *dev,
+ struct of_phandle_args *args));
+struct phy_provider *__devm_of_phy_provider_register(struct device *dev,
+ struct module *owner, struct phy * (*of_xlate)(struct device *dev,
+ struct of_phandle_args *args));
+void of_phy_provider_unregister(struct phy_provider *phy_provider);
+void devm_of_phy_provider_unregister(struct device *dev,
+ struct phy_provider *phy_provider);
+int phy_create_lookup(struct phy *phy, const char *con_id, const char *dev_id);
+void phy_remove_lookup(struct phy *phy, const char *con_id, const char *dev_id);
+#else
+static inline int phy_pm_runtime_get(struct phy *phy)
+{
+ if (!phy)
+ return 0;
+ return -ENOSYS;
+}
+
+static inline int phy_pm_runtime_get_sync(struct phy *phy)
+{
+ if (!phy)
+ return 0;
+ return -ENOSYS;
+}
+
+static inline int phy_pm_runtime_put(struct phy *phy)
+{
+ if (!phy)
+ return 0;
+ return -ENOSYS;
+}
+
+static inline int phy_pm_runtime_put_sync(struct phy *phy)
+{
+ if (!phy)
+ return 0;
+ return -ENOSYS;
+}
+
+static inline void phy_pm_runtime_allow(struct phy *phy)
+{
+ return;
+}
+
+static inline void phy_pm_runtime_forbid(struct phy *phy)
+{
+ return;
+}
+
+static inline int phy_init(struct phy *phy)
+{
+ if (!phy)
+ return 0;
+ return -ENOSYS;
+}
+
+static inline int phy_exit(struct phy *phy)
+{
+ if (!phy)
+ return 0;
+ return -ENOSYS;
+}
+
+static inline int phy_power_on(struct phy *phy)
+{
+ if (!phy)
+ return 0;
+ return -ENOSYS;
+}
+
+static inline int phy_power_off(struct phy *phy)
+{
+ if (!phy)
+ return 0;
+ return -ENOSYS;
+}
+
+static inline int phy_get_bus_width(struct phy *phy)
+{
+ return -ENOSYS;
+}
+
+static inline void phy_set_bus_width(struct phy *phy, int bus_width)
+{
+ return;
+}
+
+static inline struct phy *phy_get(struct device *dev, const char *string)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static inline struct phy *phy_optional_get(struct device *dev,
+ const char *string)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static inline struct phy *devm_phy_get(struct device *dev, const char *string)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static inline struct phy *devm_phy_optional_get(struct device *dev,
+ const char *string)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static inline struct phy *devm_of_phy_get(struct device *dev,
+ struct device_node *np,
+ const char *con_id)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static inline void phy_put(struct phy *phy)
+{
+}
+
+static inline void devm_phy_put(struct device *dev, struct phy *phy)
+{
+}
+
+static inline struct phy *of_phy_get(struct device_node *np, const char *con_id)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static inline struct phy *of_phy_simple_xlate(struct device *dev,
+ struct of_phandle_args *args)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static inline struct phy *phy_create(struct device *dev,
+ struct device_node *node,
+ const struct phy_ops *ops)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static inline struct phy *devm_phy_create(struct device *dev,
+ struct device_node *node,
+ const struct phy_ops *ops)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static inline void phy_destroy(struct phy *phy)
+{
+}
+
+static inline void devm_phy_destroy(struct device *dev, struct phy *phy)
+{
+}
+
+static inline struct phy_provider *__of_phy_provider_register(
+ struct device *dev, struct module *owner, struct phy * (*of_xlate)(
+ struct device *dev, struct of_phandle_args *args))
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static inline struct phy_provider *__devm_of_phy_provider_register(struct device
+ *dev, struct module *owner, struct phy * (*of_xlate)(struct device *dev,
+ struct of_phandle_args *args))
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static inline void of_phy_provider_unregister(struct phy_provider *phy_provider)
+{
+}
+
+static inline void devm_of_phy_provider_unregister(struct device *dev,
+ struct phy_provider *phy_provider)
+{
+}
+static inline int
+phy_create_lookup(struct phy *phy, const char *con_id, const char *dev_id)
+{
+ return 0;
+}
+static inline void phy_remove_lookup(struct phy *phy, const char *con_id,
+ const char *dev_id) { }
+#endif
+
+#endif /* __DRIVERS_PHY_H */