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Commit 420974a0 authored by Yoshihiro Shimoda's avatar Yoshihiro Shimoda Committed by Felipe Balbi
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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: default avatarKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 5f6aea34

drivers/usb/renesas_usbhs/common.h

+1 −0
Original line number Diff line number Diff line
@@ -270,6 +270,7 @@ struct usbhs_priv { 
	struct usbhs_fifo_info fifo_info;



	struct usb_phy *usb_phy;

	struct phy *phy;

};



/*

drivers/usb/renesas_usbhs/rcar2.c

+29 −0
Original line number Diff line number Diff line
@@ -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);