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

Commit 8f718d24 authored by Ajay Kumar Gupta's avatar Ajay Kumar Gupta Committed by Tony Lindgren
Browse files

ARM: OMAP: musb: Add ti81xx phy power function 



Adding ti81xx_musb_phy_power() which will be used by musb driver through
its function pointer in board_data.

Signed-off-by: default avatarAjay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: default avatarRavi Babu <ravibabu@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent cada691f

arch/arm/mach-omap2/omap_phy_internal.c

+35 −0
Original line number Diff line number Diff line
@@ -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);

}

arch/arm/plat-omap/include/plat/usb.h

+32 −0
Original line number Diff line number Diff line
@@ -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,
@@ -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);