diff options
author | Sascha Hauer <s.hauer@pengutronix.de> | 2023-04-19 08:59:15 +0200 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2023-04-19 08:59:15 +0200 |
commit | e0f1115ebb757cebbc0cf7dd92a586e3dad19b77 (patch) | |
tree | f694ff849990cbfa962f49954266b5aa6eadf7eb /include/linux/usb/ulpi.h | |
parent | d5a06d4800305af6740cde3894d8f4b65b26b392 (diff) | |
parent | 0a73158341d5d3ef1e79e0d77a177121ef502930 (diff) | |
download | barebox-e0f1115ebb757cebbc0cf7dd92a586e3dad19b77.tar.gz |
Merge branch 'for-next/usb'
Diffstat (limited to 'include/linux/usb/ulpi.h')
-rw-r--r-- | include/linux/usb/ulpi.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/include/linux/usb/ulpi.h b/include/linux/usb/ulpi.h new file mode 100644 index 0000000000..efbfc63208 --- /dev/null +++ b/include/linux/usb/ulpi.h @@ -0,0 +1,61 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __MACH_ULPI_H +#define __MACH_ULPI_H + +int ulpi_write(u8 bits, int reg, void __iomem *view); +int ulpi_set(u8 bits, int reg, void __iomem *view); +int ulpi_clear(u8 bits, int reg, void __iomem *view); +int ulpi_read(int reg, void __iomem *view); +int ulpi_setup(void __iomem *view, int on); + +/* ULPI register addresses */ +#define ULPI_VID_LOW 0x00 /* Vendor ID low */ +#define ULPI_VID_HIGH 0x01 /* Vendor ID high */ +#define ULPI_PID_LOW 0x02 /* Product ID low */ +#define ULPI_PID_HIGH 0x03 /* Product ID high */ +#define ULPI_FUNCTION_CTRL 0x04 +#define ULPI_ITFCTL 0x07 /* Interface Control */ +#define ULPI_OTGCTL 0x0A /* OTG Control */ + +/* add to above register address to access Set/Clear functions */ +#define ULPI_REG_SET 0x01 +#define ULPI_REG_CLEAR 0x02 + +/* Function Control */ +#define ULPI_FC_XCVRSEL_MASK (3 << 0) +#define ULPI_FC_HIGH_SPEED (0 << 0) +#define ULPI_FC_FULL_SPEED (1 << 0) +#define ULPI_FC_LOW_SPEED (2 << 0) +#define ULPI_FC_FS4LS (3 << 0) +#define ULPI_FC_TERMSELECT (1 << 2) +#define ULPI_FC_OPMODE_MASK (3 << 3) +#define ULPI_FC_OPMODE_NORMAL (0 << 3) +#define ULPI_FC_OPMODE_NONDRIVING (1 << 3) +#define ULPI_FC_OPMODE_DISABLE_NRZI (2 << 3) +#define ULPI_FC_OPMODE_NOSYNC_NOEOP (3 << 3) +#define ULPI_FC_RESET (1 << 5) +#define ULPI_FC_SUSPENDM (1 << 6) + +/* Interface Control */ +#define ULPI_IFACE_6_PIN_SERIAL_MODE (1 << 0) +#define ULPI_IFACE_3_PIN_SERIAL_MODE (1 << 1) +#define ULPI_IFACE_CARKITMODE (1 << 2) +#define ULPI_IFACE_CLOCKSUSPENDM (1 << 3) +#define ULPI_IFACE_AUTORESUME (1 << 4) +#define ULPI_IFACE_EXTVBUS_COMPLEMENT (1 << 5) +#define ULPI_IFACE_PASSTHRU (1 << 6) +#define ULPI_IFACE_PROTECT_IFC_DISABLE (1 << 7) + +/* ULPI OTG Control Register bits */ +#define ULPI_OTG_USE_EXT_VBUS_IND (1 << 7) /* Use ext. Vbus indicator */ +#define ULPI_OTG_DRV_VBUS_EXT (1 << 6) /* Drive Vbus external */ +#define ULPI_OTG_DRV_VBUS (1 << 5) /* Drive Vbus */ +#define ULPI_OTG_CHRG_VBUS (1 << 4) /* Charge Vbus */ +#define ULPI_OTG_DISCHRG_VBUS (1 << 3) /* Discharge Vbus */ +#define ULPI_OTG_DM_PULL_DOWN (1 << 2) /* enable DM Pull Down */ +#define ULPI_OTG_DP_PULL_DOWN (1 << 1) /* enable DP Pull Down */ +#define ULPI_OTG_ID_PULL_UP (1 << 0) /* enable ID Pull Up */ + +#endif /* __MACH_ULPI_H */ + |