/*
- * omap-control-usb.c - The USB part of control module.
+ * omap-control-phy.c - 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
#include <linux/err.h>
#include <linux/io.h>
#include <linux/clk.h>
-#include <linux/usb/omap_control_usb.h>
+#include <linux/phy/omap_control_phy.h>
/**
- * omap_control_usb_phy_power - power on/off the phy using control module reg
+ * omap_control_phy_power - power on/off the phy using control module reg
* @dev: the control module device
* @on: 0 or 1, based on powering on or off the PHY
*/
-void omap_control_usb_phy_power(struct device *dev, int on)
+void omap_control_phy_power(struct device *dev, int on)
{
u32 val;
unsigned long rate;
- struct omap_control_usb *control_usb;
+ struct omap_control_phy *control_phy;
if (IS_ERR(dev) || !dev) {
pr_err("%s: invalid device\n", __func__);
return;
}
- control_usb = dev_get_drvdata(dev);
- if (!control_usb) {
- dev_err(dev, "%s: invalid control usb device\n", __func__);
+ control_phy = dev_get_drvdata(dev);
+ if (!control_phy) {
+ dev_err(dev, "%s: invalid control phy device\n", __func__);
return;
}
- if (control_usb->type == OMAP_CTRL_TYPE_OTGHS)
+ if (control_phy->type == OMAP_CTRL_TYPE_OTGHS)
return;
- val = readl(control_usb->power);
+ val = readl(control_phy->power);
- switch (control_usb->type) {
+ switch (control_phy->type) {
case OMAP_CTRL_TYPE_USB2:
if (on)
val &= ~OMAP_CTRL_DEV_PHY_PD;
break;
case OMAP_CTRL_TYPE_PIPE3:
- rate = clk_get_rate(control_usb->sys_clk);
+ rate = clk_get_rate(control_phy->sys_clk);
rate = rate/1000000;
if (on) {
- val &= ~(OMAP_CTRL_USB_PWRCTL_CLK_CMD_MASK |
- OMAP_CTRL_USB_PWRCTL_CLK_FREQ_MASK);
- val |= OMAP_CTRL_USB3_PHY_TX_RX_POWERON <<
- OMAP_CTRL_USB_PWRCTL_CLK_CMD_SHIFT;
- val |= rate << OMAP_CTRL_USB_PWRCTL_CLK_FREQ_SHIFT;
+ val &= ~(OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_CMD_MASK |
+ OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_FREQ_MASK);
+ val |= OMAP_CTRL_PIPE3_PHY_TX_RX_POWERON <<
+ OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_CMD_SHIFT;
+ val |= rate <<
+ OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_FREQ_SHIFT;
} else {
- val &= ~OMAP_CTRL_USB_PWRCTL_CLK_CMD_MASK;
- val |= OMAP_CTRL_USB3_PHY_TX_RX_POWEROFF <<
- OMAP_CTRL_USB_PWRCTL_CLK_CMD_SHIFT;
+ val &= ~OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_CMD_MASK;
+ val |= OMAP_CTRL_PIPE3_PHY_TX_RX_POWEROFF <<
+ OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_CMD_SHIFT;
}
break;
break;
default:
dev_err(dev, "%s: type %d not recognized\n",
- __func__, control_usb->type);
+ __func__, control_phy->type);
break;
}
- writel(val, control_usb->power);
+ writel(val, control_phy->power);
}
-EXPORT_SYMBOL_GPL(omap_control_usb_phy_power);
+EXPORT_SYMBOL_GPL(omap_control_phy_power);
/**
* omap_control_usb_host_mode - set AVALID, VBUSVALID and ID pin in grounded
- * @ctrl_usb: struct omap_control_usb *
+ * @ctrl_phy: struct omap_control_phy *
*
* Writes to the mailbox register to notify the usb core that a usb
* device has been connected.
*/
-static void omap_control_usb_host_mode(struct omap_control_usb *ctrl_usb)
+static void omap_control_usb_host_mode(struct omap_control_phy *ctrl_phy)
{
u32 val;
- val = readl(ctrl_usb->otghs_control);
+ val = readl(ctrl_phy->otghs_control);
val &= ~(OMAP_CTRL_DEV_IDDIG | OMAP_CTRL_DEV_SESSEND);
val |= OMAP_CTRL_DEV_AVALID | OMAP_CTRL_DEV_VBUSVALID;
- writel(val, ctrl_usb->otghs_control);
+ writel(val, ctrl_phy->otghs_control);
}
/**
* omap_control_usb_device_mode - set AVALID, VBUSVALID and ID pin in high
* impedance
- * @ctrl_usb: struct omap_control_usb *
+ * @ctrl_phy: struct omap_control_phy *
*
* Writes to the mailbox register to notify the usb core that it has been
* connected to a usb host.
*/
-static void omap_control_usb_device_mode(struct omap_control_usb *ctrl_usb)
+static void omap_control_usb_device_mode(struct omap_control_phy *ctrl_phy)
{
u32 val;
- val = readl(ctrl_usb->otghs_control);
+ val = readl(ctrl_phy->otghs_control);
val &= ~OMAP_CTRL_DEV_SESSEND;
val |= OMAP_CTRL_DEV_IDDIG | OMAP_CTRL_DEV_AVALID |
OMAP_CTRL_DEV_VBUSVALID;
- writel(val, ctrl_usb->otghs_control);
+ writel(val, ctrl_phy->otghs_control);
}
/**
* omap_control_usb_set_sessionend - Enable SESSIONEND and IDIG to high
* impedance
- * @ctrl_usb: struct omap_control_usb *
+ * @ctrl_phy: struct omap_control_phy *
*
* Writes to the mailbox register to notify the usb core it's now in
* disconnected state.
*/
-static void omap_control_usb_set_sessionend(struct omap_control_usb *ctrl_usb)
+static void omap_control_usb_set_sessionend(struct omap_control_phy *ctrl_phy)
{
u32 val;
- val = readl(ctrl_usb->otghs_control);
+ val = readl(ctrl_phy->otghs_control);
val &= ~(OMAP_CTRL_DEV_AVALID | OMAP_CTRL_DEV_VBUSVALID);
val |= OMAP_CTRL_DEV_IDDIG | OMAP_CTRL_DEV_SESSEND;
- writel(val, ctrl_usb->otghs_control);
+ writel(val, ctrl_phy->otghs_control);
}
/**
void omap_control_usb_set_mode(struct device *dev,
enum omap_control_usb_mode mode)
{
- struct omap_control_usb *ctrl_usb;
+ struct omap_control_phy *ctrl_phy;
if (IS_ERR(dev) || !dev)
return;
- ctrl_usb = dev_get_drvdata(dev);
+ ctrl_phy = dev_get_drvdata(dev);
- if (!ctrl_usb) {
- dev_err(dev, "Invalid control usb device\n");
+ if (!ctrl_phy) {
+ dev_err(dev, "Invalid control phy device\n");
return;
}
- if (ctrl_usb->type != OMAP_CTRL_TYPE_OTGHS)
+ if (ctrl_phy->type != OMAP_CTRL_TYPE_OTGHS)
return;
switch (mode) {
case USB_MODE_HOST:
- omap_control_usb_host_mode(ctrl_usb);
+ omap_control_usb_host_mode(ctrl_phy);
break;
case USB_MODE_DEVICE:
- omap_control_usb_device_mode(ctrl_usb);
+ omap_control_usb_device_mode(ctrl_phy);
break;
case USB_MODE_DISCONNECT:
- omap_control_usb_set_sessionend(ctrl_usb);
+ omap_control_usb_set_sessionend(ctrl_phy);
break;
default:
dev_vdbg(dev, "invalid omap control usb mode\n");
#ifdef CONFIG_OF
-static const enum omap_control_usb_type otghs_data = OMAP_CTRL_TYPE_OTGHS;
-static const enum omap_control_usb_type usb2_data = OMAP_CTRL_TYPE_USB2;
-static const enum omap_control_usb_type pipe3_data = OMAP_CTRL_TYPE_PIPE3;
-static const enum omap_control_usb_type dra7usb2_data = OMAP_CTRL_TYPE_DRA7USB2;
-static const enum omap_control_usb_type am437usb2_data = OMAP_CTRL_TYPE_AM437USB2;
+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;
+static const enum omap_control_phy_type dra7usb2_data = OMAP_CTRL_TYPE_DRA7USB2;
+static const enum omap_control_phy_type am437usb2_data = OMAP_CTRL_TYPE_AM437USB2;
-static const struct of_device_id omap_control_usb_id_table[] = {
+static const struct of_device_id omap_control_phy_id_table[] = {
{
.compatible = "ti,control-phy-otghs",
.data = &otghs_data,
},
{},
};
-MODULE_DEVICE_TABLE(of, omap_control_usb_id_table);
+MODULE_DEVICE_TABLE(of, omap_control_phy_id_table);
#endif
-static int omap_control_usb_probe(struct platform_device *pdev)
+static int omap_control_phy_probe(struct platform_device *pdev)
{
struct resource *res;
const struct of_device_id *of_id;
- struct omap_control_usb *control_usb;
+ struct omap_control_phy *control_phy;
- of_id = of_match_device(of_match_ptr(omap_control_usb_id_table),
- &pdev->dev);
+ of_id = of_match_device(of_match_ptr(omap_control_phy_id_table),
+ &pdev->dev);
if (!of_id)
return -EINVAL;
- control_usb = devm_kzalloc(&pdev->dev, sizeof(*control_usb),
+ control_phy = devm_kzalloc(&pdev->dev, sizeof(*control_phy),
GFP_KERNEL);
- if (!control_usb) {
- dev_err(&pdev->dev, "unable to alloc memory for control usb\n");
+ if (!control_phy) {
+ dev_err(&pdev->dev, "unable to alloc memory for control phy\n");
return -ENOMEM;
}
- control_usb->dev = &pdev->dev;
- control_usb->type = *(enum omap_control_usb_type *)of_id->data;
+ control_phy->dev = &pdev->dev;
+ control_phy->type = *(enum omap_control_phy_type *)of_id->data;
- if (control_usb->type == OMAP_CTRL_TYPE_OTGHS) {
+ if (control_phy->type == OMAP_CTRL_TYPE_OTGHS) {
res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
"otghs_control");
- control_usb->otghs_control = devm_ioremap_resource(
+ control_phy->otghs_control = devm_ioremap_resource(
&pdev->dev, res);
- if (IS_ERR(control_usb->otghs_control))
- return PTR_ERR(control_usb->otghs_control);
+ if (IS_ERR(control_phy->otghs_control))
+ return PTR_ERR(control_phy->otghs_control);
} else {
res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
"power");
- control_usb->power = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(control_usb->power)) {
+ control_phy->power = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(control_phy->power)) {
dev_err(&pdev->dev, "Couldn't get power register\n");
- return PTR_ERR(control_usb->power);
+ return PTR_ERR(control_phy->power);
}
}
- if (control_usb->type == OMAP_CTRL_TYPE_PIPE3) {
- control_usb->sys_clk = devm_clk_get(control_usb->dev,
+ if (control_phy->type == OMAP_CTRL_TYPE_PIPE3) {
+ control_phy->sys_clk = devm_clk_get(control_phy->dev,
"sys_clkin");
- if (IS_ERR(control_usb->sys_clk)) {
+ if (IS_ERR(control_phy->sys_clk)) {
pr_err("%s: unable to get sys_clkin\n", __func__);
return -EINVAL;
}
}
- dev_set_drvdata(control_usb->dev, control_usb);
+ dev_set_drvdata(control_phy->dev, control_phy);
return 0;
}
-static struct platform_driver omap_control_usb_driver = {
- .probe = omap_control_usb_probe,
+static struct platform_driver omap_control_phy_driver = {
+ .probe = omap_control_phy_probe,
.driver = {
- .name = "omap-control-usb",
+ .name = "omap-control-phy",
.owner = THIS_MODULE,
- .of_match_table = of_match_ptr(omap_control_usb_id_table),
+ .of_match_table = of_match_ptr(omap_control_phy_id_table),
},
};
-static int __init omap_control_usb_init(void)
+static int __init omap_control_phy_init(void)
{
- return platform_driver_register(&omap_control_usb_driver);
+ return platform_driver_register(&omap_control_phy_driver);
}
-subsys_initcall(omap_control_usb_init);
+subsys_initcall(omap_control_phy_init);
-static void __exit omap_control_usb_exit(void)
+static void __exit omap_control_phy_exit(void)
{
- platform_driver_unregister(&omap_control_usb_driver);
+ platform_driver_unregister(&omap_control_phy_driver);
}
-module_exit(omap_control_usb_exit);
+module_exit(omap_control_phy_exit);
-MODULE_ALIAS("platform: omap_control_usb");
+MODULE_ALIAS("platform: omap_control_phy");
MODULE_AUTHOR("Texas Instruments Inc.");
-MODULE_DESCRIPTION("OMAP Control Module USB Driver");
+MODULE_DESCRIPTION("OMAP Control Module PHY Driver");
MODULE_LICENSE("GPL v2");
/*
- * omap_control_usb.h - Header file for the USB part of control module.
+ * 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
*
*/
-#ifndef __OMAP_CONTROL_USB_H__
-#define __OMAP_CONTROL_USB_H__
+#ifndef __OMAP_CONTROL_PHY_H__
+#define __OMAP_CONTROL_PHY_H__
-enum omap_control_usb_type {
+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_AM437USB2, /* USB2 PHY, power e.g. AM437x */
};
-struct omap_control_usb {
+struct omap_control_phy {
struct device *dev;
u32 __iomem *otghs_control;
struct clk *sys_clk;
- enum omap_control_usb_type type;
+ enum omap_control_phy_type type;
};
enum omap_control_usb_mode {
#define OMAP_CTRL_DEV_SESSEND BIT(3)
#define OMAP_CTRL_DEV_IDDIG BIT(4)
-#define OMAP_CTRL_USB_PWRCTL_CLK_CMD_MASK 0x003FC000
-#define OMAP_CTRL_USB_PWRCTL_CLK_CMD_SHIFT 0xE
+#define OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_CMD_MASK 0x003FC000
+#define OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_CMD_SHIFT 0xE
-#define OMAP_CTRL_USB_PWRCTL_CLK_FREQ_MASK 0xFFC00000
-#define OMAP_CTRL_USB_PWRCTL_CLK_FREQ_SHIFT 0x16
+#define OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_FREQ_MASK 0xFFC00000
+#define OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_FREQ_SHIFT 0x16
-#define OMAP_CTRL_USB3_PHY_TX_RX_POWERON 0x3
-#define OMAP_CTRL_USB3_PHY_TX_RX_POWEROFF 0x0
+#define OMAP_CTRL_PIPE3_PHY_TX_RX_POWERON 0x3
+#define OMAP_CTRL_PIPE3_PHY_TX_RX_POWEROFF 0x0
#define OMAP_CTRL_USB2_PHY_PD BIT(28)
#define AM437X_CTRL_USB2_OTGVDET_EN BIT(19)
#define AM437X_CTRL_USB2_OTGSESSEND_EN BIT(20)
-#if IS_ENABLED(CONFIG_OMAP_CONTROL_USB)
-extern void omap_control_usb_phy_power(struct device *dev, int on);
-extern void omap_control_usb_set_mode(struct device *dev,
- enum omap_control_usb_mode mode);
+#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);
#else
-static inline void omap_control_usb_phy_power(struct device *dev, int on)
+static inline void omap_control_phy_power(struct device *dev, int on)
{
}
}
#endif
-#endif /* __OMAP_CONTROL_USB_H__ */
+#endif /* __OMAP_CONTROL_PHY_H__ */