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yaml
---
r: 281686
b: refs/heads/master
c: 8f718d2
h: refs/heads/master
v: v3
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Ajay Kumar Gupta authored and Tony Lindgren committed Dec 13, 2011
1 parent df8c4e7 commit b373e9f
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Showing 3 changed files with 68 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: cada691f8675c36f738d41741a6ec5d966f39a10
refs/heads/master: 8f718d2414c2c13f7c886df1d1802ad0d32faaca
35 changes: 35 additions & 0 deletions trunk/arch/arm/mach-omap2/omap_phy_internal.c
Original file line number Diff line number Diff line change
Expand Up @@ -260,3 +260,38 @@ void am35x_set_mode(u8 musb_mode)

omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
}

void ti81xx_musb_phy_power(u8 on)
{
void __iomem *scm_base = NULL;
u32 usbphycfg;

scm_base = ioremap(TI81XX_SCM_BASE, SZ_2K);
if (!scm_base) {
pr_err("system control module ioremap failed\n");
return;
}

usbphycfg = __raw_readl(scm_base + USBCTRL0);

if (on) {
if (cpu_is_ti816x()) {
usbphycfg |= TI816X_USBPHY0_NORMAL_MODE;
usbphycfg &= ~TI816X_USBPHY_REFCLK_OSC;
} else if (cpu_is_ti814x()) {
usbphycfg &= ~(USBPHY_CM_PWRDN | USBPHY_OTG_PWRDN
| USBPHY_DPINPUT | USBPHY_DMINPUT);
usbphycfg |= (USBPHY_OTGVDET_EN | USBPHY_OTGSESSEND_EN
| USBPHY_DPOPBUFCTL | USBPHY_DMOPBUFCTL);
}
} else {
if (cpu_is_ti816x())
usbphycfg &= ~TI816X_USBPHY0_NORMAL_MODE;
else if (cpu_is_ti814x())
usbphycfg |= USBPHY_CM_PWRDN | USBPHY_OTG_PWRDN;

}
__raw_writel(usbphycfg, scm_base + USBCTRL0);

iounmap(scm_base);
}
32 changes: 32 additions & 0 deletions trunk/arch/arm/plat-omap/include/plat/usb.h
Original file line number Diff line number Diff line change
Expand Up @@ -114,6 +114,7 @@ extern void am35x_musb_reset(void);
extern void am35x_musb_phy_power(u8 on);
extern void am35x_musb_clear_irq(void);
extern void am35x_set_mode(u8 musb_mode);
extern void ti81xx_musb_phy_power(u8 on);

/*
* FIXME correct answer depends on hmc_mode,
Expand Down Expand Up @@ -273,6 +274,37 @@ static inline void omap2_usbfs_init(struct omap_usb_config *pdata)
#define CONF2_OTGPWRDN (1 << 2)
#define CONF2_DATPOL (1 << 1)

/* TI81XX specific definitions */
#define USBCTRL0 0x620
#define USBSTAT0 0x624

/* TI816X PHY controls bits */
#define TI816X_USBPHY0_NORMAL_MODE (1 << 0)
#define TI816X_USBPHY_REFCLK_OSC (1 << 8)

/* TI814X PHY controls bits */
#define USBPHY_CM_PWRDN (1 << 0)
#define USBPHY_OTG_PWRDN (1 << 1)
#define USBPHY_CHGDET_DIS (1 << 2)
#define USBPHY_CHGDET_RSTRT (1 << 3)
#define USBPHY_SRCONDM (1 << 4)
#define USBPHY_SINKONDP (1 << 5)
#define USBPHY_CHGISINK_EN (1 << 6)
#define USBPHY_CHGVSRC_EN (1 << 7)
#define USBPHY_DMPULLUP (1 << 8)
#define USBPHY_DPPULLUP (1 << 9)
#define USBPHY_CDET_EXTCTL (1 << 10)
#define USBPHY_GPIO_MODE (1 << 12)
#define USBPHY_DPOPBUFCTL (1 << 13)
#define USBPHY_DMOPBUFCTL (1 << 14)
#define USBPHY_DPINPUT (1 << 15)
#define USBPHY_DMINPUT (1 << 16)
#define USBPHY_DPGPIO_PD (1 << 17)
#define USBPHY_DMGPIO_PD (1 << 18)
#define USBPHY_OTGVDET_EN (1 << 19)
#define USBPHY_OTGSESSEND_EN (1 << 20)
#define USBPHY_DATA_POLARITY (1 << 23)

#if defined(CONFIG_ARCH_OMAP1) && defined(CONFIG_USB)
u32 omap1_usb0_init(unsigned nwires, unsigned is_device);
u32 omap1_usb1_init(unsigned nwires);
Expand Down

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