forge/linux-pinenote
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

usb: move phy driver from mach-tegra to drivers/usb

Browse source 
As part of this patch:
	1. Moved existing tegra phy driver to drivers/USB directory.
	2. Added standard USB phy driver APIs to tegra phy driver.

Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Venu Byravarasu 2012-09-05 18:50:23 +05:30 • committed by Felipe Balbi
commit 1ba8216f0b
7 changed files with 103 additions and 85 deletions
Download patch file Download diff file Expand all files Collapse all files

80
include/linux/usb/tegra_usb_phy.h Normal file
View file

@ -0,0 +1,80 @@
/*
* Copyright (C) 2010 Google, Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
#ifndef __TEGRA_USB_PHY_H
#define __TEGRA_USB_PHY_H
#include <linux/clk.h>
#include <linux/usb/otg.h>
struct tegra_utmip_config {
u8 hssync_start_delay;
u8 elastic_limit;
u8 idle_wait_delay;
u8 term_range_adj;
u8 xcvr_setup;
u8 xcvr_lsfslew;
u8 xcvr_lsrslew;
};
struct tegra_ulpi_config {
int reset_gpio;
const char *clk;
};
enum tegra_usb_phy_port_speed {
TEGRA_USB_PHY_PORT_SPEED_FULL = 0,
TEGRA_USB_PHY_PORT_SPEED_LOW,
TEGRA_USB_PHY_PORT_SPEED_HIGH,
};
enum tegra_usb_phy_mode {
TEGRA_USB_PHY_MODE_DEVICE,
TEGRA_USB_PHY_MODE_HOST,
};
struct tegra_xtal_freq;
struct tegra_usb_phy {
int instance;
const struct tegra_xtal_freq *freq;
void __iomem *regs;
void __iomem *pad_regs;
struct clk *clk;
struct clk *pll_u;
struct clk *pad_clk;
enum tegra_usb_phy_mode mode;
void *config;
struct usb_phy *ulpi;
struct usb_phy u_phy;
struct device *dev;
};
struct tegra_usb_phy *tegra_usb_phy_open(struct device *dev, int instance,
void __iomem *regs, void *config, enum tegra_usb_phy_mode phy_mode);
void tegra_usb_phy_clk_disable(struct tegra_usb_phy *phy);
void tegra_usb_phy_clk_enable(struct tegra_usb_phy *phy);
void tegra_usb_phy_preresume(struct tegra_usb_phy *phy);
void tegra_usb_phy_postresume(struct tegra_usb_phy *phy);
void tegra_ehci_phy_restore_start(struct tegra_usb_phy *phy,
enum tegra_usb_phy_port_speed port_speed);
void tegra_ehci_phy_restore_end(struct tegra_usb_phy *phy);
#endif /* __TEGRA_USB_PHY_H */