Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3e0c70d0 authored by Nobuhiro Iwamatsu's avatar Nobuhiro Iwamatsu Committed by Greg Kroah-Hartman
Browse files

usb: ehci-sh: Add PHY init function with platform data 



In devices using ehci-sh, initialization of the PHY may be necessary.
This adds platform data to ehci-sh and provide function to initialize PHY.

Signed-off-by: default avatarNobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
CC: Shimoda, Yoshihiro <yoshihiro.shimoda.uh@renesas.com>
Acked-by: default avatarPaul Mundt <lethal@linux-sh.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7af39592

drivers/usb/host/ehci-sh.c

+8 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
 */

#include <linux/platform_device.h>

#include <linux/clk.h>

#include <linux/platform_data/ehci-sh.h>



struct ehci_sh_priv {

	struct clk *iclk, *fclk;
@@ -100,6 +101,7 @@ static int ehci_hcd_sh_probe(struct platform_device *pdev) 
	const struct hc_driver *driver = &ehci_sh_hc_driver;

	struct resource *res;

	struct ehci_sh_priv *priv;

	struct ehci_sh_platdata *pdata;

	struct usb_hcd *hcd;

	int irq, ret;
@@ -124,6 +126,9 @@ static int ehci_hcd_sh_probe(struct platform_device *pdev) 
		goto fail_create_hcd;

	}



	if (pdev->dev.platform_data != NULL)

		pdata = pdev->dev.platform_data;



	/* initialize hcd */

	hcd = usb_create_hcd(&ehci_sh_hc_driver, &pdev->dev,

			     dev_name(&pdev->dev));
@@ -168,6 +173,9 @@ static int ehci_hcd_sh_probe(struct platform_device *pdev) 
	clk_enable(priv->fclk);

	clk_enable(priv->iclk);



	if (pdata && pdata->phy_init)

		pdata->phy_init();



	ret = usb_add_hcd(hcd, irq, IRQF_SHARED);

	if (ret != 0) {

		dev_err(&pdev->dev, "Failed to add hcd");

include/linux/platform_data/ehci-sh.h

0 → 100644
+28 −0
Original line number Diff line number Diff line 
/*

 * EHCI SuperH driver platform data

 *

 * Copyright (C) 2012  Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>

 * Copyright (C) 2012  Renesas Solutions Corp.

 *

 * 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 of the License.

 *

 * 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.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */



#ifndef __USB_EHCI_SH_H

#define __USB_EHCI_SH_H



struct ehci_sh_platdata {

	void (*phy_init)(void); /* Phy init function */

};



#endif /* __USB_EHCI_SH_H */