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

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
...@@ -11,6 +11,7 @@ ...@@ -11,6 +11,7 @@
*/ */
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/platform_data/ehci-sh.h>
struct ehci_sh_priv { struct ehci_sh_priv {
struct clk *iclk, *fclk; struct clk *iclk, *fclk;
...@@ -100,6 +101,7 @@ static int ehci_hcd_sh_probe(struct platform_device *pdev) ...@@ -100,6 +101,7 @@ static int ehci_hcd_sh_probe(struct platform_device *pdev)
const struct hc_driver *driver = &ehci_sh_hc_driver; const struct hc_driver *driver = &ehci_sh_hc_driver;
struct resource *res; struct resource *res;
struct ehci_sh_priv *priv; struct ehci_sh_priv *priv;
struct ehci_sh_platdata *pdata;
struct usb_hcd *hcd; struct usb_hcd *hcd;
int irq, ret; int irq, ret;
...@@ -124,6 +126,9 @@ static int ehci_hcd_sh_probe(struct platform_device *pdev) ...@@ -124,6 +126,9 @@ static int ehci_hcd_sh_probe(struct platform_device *pdev)
goto fail_create_hcd; goto fail_create_hcd;
} }
if (pdev->dev.platform_data != NULL)
pdata = pdev->dev.platform_data;
/* initialize hcd */ /* initialize hcd */
hcd = usb_create_hcd(&ehci_sh_hc_driver, &pdev->dev, hcd = usb_create_hcd(&ehci_sh_hc_driver, &pdev->dev,
dev_name(&pdev->dev)); dev_name(&pdev->dev));
...@@ -168,6 +173,9 @@ static int ehci_hcd_sh_probe(struct platform_device *pdev) ...@@ -168,6 +173,9 @@ static int ehci_hcd_sh_probe(struct platform_device *pdev)
clk_enable(priv->fclk); clk_enable(priv->fclk);
clk_enable(priv->iclk); clk_enable(priv->iclk);
if (pdata && pdata->phy_init)
pdata->phy_init();
ret = usb_add_hcd(hcd, irq, IRQF_SHARED); ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (ret != 0) { if (ret != 0) {
dev_err(&pdev->dev, "Failed to add hcd"); dev_err(&pdev->dev, "Failed to add hcd");
......
/*
* 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 */
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment