diff options
Diffstat (limited to 'arch/arm/mach-davinci/include/mach/da8xx-usb.h')
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/da8xx-usb.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/include/mach/da8xx-usb.h b/arch/arm/mach-davinci/include/mach/da8xx-usb.h new file mode 100644 index 0000000000..f091e49899 --- /dev/null +++ b/arch/arm/mach-davinci/include/mach/da8xx-usb.h @@ -0,0 +1,93 @@ +/* + * da8xx-usb.h -- TI's DA8xx platform specific usb wrapper definitions. + * + * Author: Ajay Kumar Gupta <ajay.gupta@ti.com> + * + * Based on drivers/usb/musb/davinci.h + * + * Copyright (C) 2009 Texas Instruments Incorporated + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef __DA8XX_MUSB_H__ +#define __DA8XX_MUSB_H__ + +#include <asm/arch/hardware.h> +#include <asm/arch/gpio.h> + +/* Base address of da8xx usb0 wrapper */ +#define DA8XX_USB_OTG_BASE 0x01E00000 + +/* Base address of da8xx musb core */ +#define DA8XX_USB_OTG_CORE_BASE (DA8XX_USB_OTG_BASE + 0x400) + +/* Timeout for DA8xx usb module */ +#define DA8XX_USB_OTG_TIMEOUT 0x3FFFFFF + +/* + * DA8xx platform USB wrapper register overlay. + */ +struct da8xx_usb_regs { + dv_reg revision; + dv_reg control; + dv_reg status; + dv_reg emulation; + dv_reg mode; + dv_reg autoreq; + dv_reg srpfixtime; + dv_reg teardown; + dv_reg intsrc; + dv_reg intsrc_set; + dv_reg intsrc_clr; + dv_reg intmsk; + dv_reg intmsk_set; + dv_reg intmsk_clr; + dv_reg intsrcmsk; + dv_reg eoi; + dv_reg intvector; + dv_reg grndis_size[4]; +}; + +#define da8xx_usb_regs ((struct da8xx_usb_regs *)DA8XX_USB_OTG_BASE) + +/* DA8XX interrupt bits definitions */ +#define DA8XX_USB_TX_ENDPTS_MASK 0x1f /* ep0 + 4 tx */ +#define DA8XX_USB_RX_ENDPTS_MASK 0x1e /* 4 rx */ +#define DA8XX_USB_TXINT_SHIFT 0 +#define DA8XX_USB_RXINT_SHIFT 8 + +#define DA8XX_USB_USBINT_MASK 0x01ff0000 /* 8 Mentor, DRVVBUS */ +#define DA8XX_USB_TXINT_MASK \ + (DA8XX_USB_TX_ENDPTS_MASK << DA8XX_USB_TXINT_SHIFT) +#define DA8XX_USB_RXINT_MASK \ + (DA8XX_USB_RX_ENDPTS_MASK << DA8XX_USB_RXINT_SHIFT) + +/* DA8xx CFGCHIP2 (USB 2.0 PHY Control) register bits */ +#define CFGCHIP2_PHYCLKGD (1 << 17) +#define CFGCHIP2_VBUSSENSE (1 << 16) +#define CFGCHIP2_RESET (1 << 15) +#define CFGCHIP2_OTGMODE (3 << 13) +#define CFGCHIP2_NO_OVERRIDE (0 << 13) +#define CFGCHIP2_FORCE_HOST (1 << 13) +#define CFGCHIP2_FORCE_DEVICE (2 << 13) +#define CFGCHIP2_FORCE_HOST_VBUS_LOW (3 << 13) +#define CFGCHIP2_USB1PHYCLKMUX (1 << 12) +#define CFGCHIP2_USB2PHYCLKMUX (1 << 11) +#define CFGCHIP2_PHYPWRDN (1 << 10) +#define CFGCHIP2_OTGPWRDN (1 << 9) +#define CFGCHIP2_DATPOL (1 << 8) +#define CFGCHIP2_USB1SUSPENDM (1 << 7) +#define CFGCHIP2_PHY_PLLON (1 << 6) /* override PLL suspend */ +#define CFGCHIP2_SESENDEN (1 << 5) /* Vsess_end comparator */ +#define CFGCHIP2_VBDTCTEN (1 << 4) /* Vbus comparator */ +#define CFGCHIP2_REFFREQ (0xf << 0) +#define CFGCHIP2_REFFREQ_12MHZ (1 << 0) +#define CFGCHIP2_REFFREQ_24MHZ (2 << 0) +#define CFGCHIP2_REFFREQ_48MHZ (3 << 0) + +#define DA8XX_USB_VBUS_GPIO (1 << 15) + +int usb_phy_on(void); +void usb_phy_off(void); + +#endif /* __DA8XX_MUSB_H__ */ |