usb: renesas_usbhs: add support for generic PHY
This patch adds support for the generic PHY. The generic PHY will be used in multiplatform environment. Acked-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
parent
5f6aea3453
commit
420974a0ed
|
@ -270,6 +270,7 @@ struct usbhs_priv {
|
|||
struct usbhs_fifo_info fifo_info;
|
||||
|
||||
struct usb_phy *usb_phy;
|
||||
struct phy *phy;
|
||||
};
|
||||
|
||||
/*
|
||||
|
|
|
@ -12,6 +12,7 @@
|
|||
|
||||
#include <linux/gpio.h>
|
||||
#include <linux/of_gpio.h>
|
||||
#include <linux/phy/phy.h>
|
||||
#include <linux/platform_data/gpio-rcar.h>
|
||||
#include <linux/usb/phy.h>
|
||||
#include "common.h"
|
||||
|
@ -21,6 +22,16 @@ static int usbhs_rcar2_hardware_init(struct platform_device *pdev)
|
|||
{
|
||||
struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
|
||||
|
||||
if (IS_ENABLED(CONFIG_GENERIC_PHY)) {
|
||||
struct phy *phy = phy_get(&pdev->dev, "usb");
|
||||
|
||||
if (IS_ERR(phy))
|
||||
return PTR_ERR(phy);
|
||||
|
||||
priv->phy = phy;
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (IS_ENABLED(CONFIG_USB_PHY)) {
|
||||
struct usb_phy *usb_phy = usb_get_phy_dev(&pdev->dev, 0);
|
||||
|
||||
|
@ -38,6 +49,11 @@ static int usbhs_rcar2_hardware_exit(struct platform_device *pdev)
|
|||
{
|
||||
struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
|
||||
|
||||
if (priv->phy) {
|
||||
phy_put(priv->phy);
|
||||
priv->phy = NULL;
|
||||
}
|
||||
|
||||
if (priv->usb_phy) {
|
||||
usb_put_phy(priv->usb_phy);
|
||||
priv->usb_phy = NULL;
|
||||
|
@ -52,6 +68,19 @@ static int usbhs_rcar2_power_ctrl(struct platform_device *pdev,
|
|||
struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
|
||||
int retval = -ENODEV;
|
||||
|
||||
if (priv->phy) {
|
||||
if (enable) {
|
||||
retval = phy_init(priv->phy);
|
||||
|
||||
if (!retval)
|
||||
retval = phy_power_on(priv->phy);
|
||||
} else {
|
||||
phy_power_off(priv->phy);
|
||||
phy_exit(priv->phy);
|
||||
retval = 0;
|
||||
}
|
||||
}
|
||||
|
||||
if (priv->usb_phy) {
|
||||
if (enable) {
|
||||
retval = usb_phy_init(priv->usb_phy);
|
||||
|
|
Loading…
Reference in New Issue