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-rw-r--r--kernel/include/linux/ulpi/driver.h60
-rw-r--r--kernel/include/linux/ulpi/interface.h23
-rw-r--r--kernel/include/linux/ulpi/regs.h130
3 files changed, 213 insertions, 0 deletions
diff --git a/kernel/include/linux/ulpi/driver.h b/kernel/include/linux/ulpi/driver.h
new file mode 100644
index 000000000..388f6e08b
--- /dev/null
+++ b/kernel/include/linux/ulpi/driver.h
@@ -0,0 +1,60 @@
+#ifndef __LINUX_ULPI_DRIVER_H
+#define __LINUX_ULPI_DRIVER_H
+
+#include <linux/mod_devicetable.h>
+
+#include <linux/device.h>
+
+struct ulpi_ops;
+
+/**
+ * struct ulpi - describes ULPI PHY device
+ * @id: vendor and product ids for ULPI device
+ * @ops: I/O access
+ * @dev: device interface
+ */
+struct ulpi {
+ struct ulpi_device_id id;
+ struct ulpi_ops *ops;
+ struct device dev;
+};
+
+#define to_ulpi_dev(d) container_of(d, struct ulpi, dev)
+
+static inline void ulpi_set_drvdata(struct ulpi *ulpi, void *data)
+{
+ dev_set_drvdata(&ulpi->dev, data);
+}
+
+static inline void *ulpi_get_drvdata(struct ulpi *ulpi)
+{
+ return dev_get_drvdata(&ulpi->dev);
+}
+
+/**
+ * struct ulpi_driver - describes a ULPI PHY driver
+ * @id_table: array of device identifiers supported by this driver
+ * @probe: binds this driver to ULPI device
+ * @remove: unbinds this driver from ULPI device
+ * @driver: the name and owner members must be initialized by the drivers
+ */
+struct ulpi_driver {
+ const struct ulpi_device_id *id_table;
+ int (*probe)(struct ulpi *ulpi);
+ void (*remove)(struct ulpi *ulpi);
+ struct device_driver driver;
+};
+
+#define to_ulpi_driver(d) container_of(d, struct ulpi_driver, driver)
+
+int ulpi_register_driver(struct ulpi_driver *drv);
+void ulpi_unregister_driver(struct ulpi_driver *drv);
+
+#define module_ulpi_driver(__ulpi_driver) \
+ module_driver(__ulpi_driver, ulpi_register_driver, \
+ ulpi_unregister_driver)
+
+int ulpi_read(struct ulpi *ulpi, u8 addr);
+int ulpi_write(struct ulpi *ulpi, u8 addr, u8 val);
+
+#endif /* __LINUX_ULPI_DRIVER_H */
diff --git a/kernel/include/linux/ulpi/interface.h b/kernel/include/linux/ulpi/interface.h
new file mode 100644
index 000000000..4de8ab491
--- /dev/null
+++ b/kernel/include/linux/ulpi/interface.h
@@ -0,0 +1,23 @@
+#ifndef __LINUX_ULPI_INTERFACE_H
+#define __LINUX_ULPI_INTERFACE_H
+
+#include <linux/types.h>
+
+struct ulpi;
+
+/**
+ * struct ulpi_ops - ULPI register access
+ * @dev: the interface provider
+ * @read: read operation for ULPI register access
+ * @write: write operation for ULPI register access
+ */
+struct ulpi_ops {
+ struct device *dev;
+ int (*read)(struct ulpi_ops *ops, u8 addr);
+ int (*write)(struct ulpi_ops *ops, u8 addr, u8 val);
+};
+
+struct ulpi *ulpi_register_interface(struct device *, struct ulpi_ops *);
+void ulpi_unregister_interface(struct ulpi *);
+
+#endif /* __LINUX_ULPI_INTERFACE_H */
diff --git a/kernel/include/linux/ulpi/regs.h b/kernel/include/linux/ulpi/regs.h
new file mode 100644
index 000000000..b5b8b8804
--- /dev/null
+++ b/kernel/include/linux/ulpi/regs.h
@@ -0,0 +1,130 @@
+#ifndef __LINUX_ULPI_REGS_H
+#define __LINUX_ULPI_REGS_H
+
+/*
+ * Macros for Set and Clear
+ * See ULPI 1.1 specification to find the registers with Set and Clear offsets
+ */
+#define ULPI_SET(a) (a + 1)
+#define ULPI_CLR(a) (a + 2)
+
+/*
+ * Register Map
+ */
+#define ULPI_VENDOR_ID_LOW 0x00
+#define ULPI_VENDOR_ID_HIGH 0x01
+#define ULPI_PRODUCT_ID_LOW 0x02
+#define ULPI_PRODUCT_ID_HIGH 0x03
+#define ULPI_FUNC_CTRL 0x04
+#define ULPI_IFC_CTRL 0x07
+#define ULPI_OTG_CTRL 0x0a
+#define ULPI_USB_INT_EN_RISE 0x0d
+#define ULPI_USB_INT_EN_FALL 0x10
+#define ULPI_USB_INT_STS 0x13
+#define ULPI_USB_INT_LATCH 0x14
+#define ULPI_DEBUG 0x15
+#define ULPI_SCRATCH 0x16
+/* Optional Carkit Registers */
+#define ULPI_CARKIT_CTRL 0x19
+#define ULPI_CARKIT_INT_DELAY 0x1c
+#define ULPI_CARKIT_INT_EN 0x1d
+#define ULPI_CARKIT_INT_STS 0x20
+#define ULPI_CARKIT_INT_LATCH 0x21
+#define ULPI_CARKIT_PLS_CTRL 0x22
+/* Other Optional Registers */
+#define ULPI_TX_POS_WIDTH 0x25
+#define ULPI_TX_NEG_WIDTH 0x26
+#define ULPI_POLARITY_RECOVERY 0x27
+/* Access Extended Register Set */
+#define ULPI_ACCESS_EXTENDED 0x2f
+/* Vendor Specific */
+#define ULPI_VENDOR_SPECIFIC 0x30
+/* Extended Registers */
+#define ULPI_EXT_VENDOR_SPECIFIC 0x80
+
+/*
+ * Register Bits
+ */
+
+/* Function Control */
+#define ULPI_FUNC_CTRL_XCVRSEL BIT(0)
+#define ULPI_FUNC_CTRL_XCVRSEL_MASK 0x3
+#define ULPI_FUNC_CTRL_HIGH_SPEED 0x0
+#define ULPI_FUNC_CTRL_FULL_SPEED 0x1
+#define ULPI_FUNC_CTRL_LOW_SPEED 0x2
+#define ULPI_FUNC_CTRL_FS4LS 0x3
+#define ULPI_FUNC_CTRL_TERMSELECT BIT(2)
+#define ULPI_FUNC_CTRL_OPMODE BIT(3)
+#define ULPI_FUNC_CTRL_OPMODE_MASK (0x3 << 3)
+#define ULPI_FUNC_CTRL_OPMODE_NORMAL (0x0 << 3)
+#define ULPI_FUNC_CTRL_OPMODE_NONDRIVING (0x1 << 3)
+#define ULPI_FUNC_CTRL_OPMODE_DISABLE_NRZI (0x2 << 3)
+#define ULPI_FUNC_CTRL_OPMODE_NOSYNC_NOEOP (0x3 << 3)
+#define ULPI_FUNC_CTRL_RESET BIT(5)
+#define ULPI_FUNC_CTRL_SUSPENDM BIT(6)
+
+/* Interface Control */
+#define ULPI_IFC_CTRL_6_PIN_SERIAL_MODE BIT(0)
+#define ULPI_IFC_CTRL_3_PIN_SERIAL_MODE BIT(1)
+#define ULPI_IFC_CTRL_CARKITMODE BIT(2)
+#define ULPI_IFC_CTRL_CLOCKSUSPENDM BIT(3)
+#define ULPI_IFC_CTRL_AUTORESUME BIT(4)
+#define ULPI_IFC_CTRL_EXTERNAL_VBUS BIT(5)
+#define ULPI_IFC_CTRL_PASSTHRU BIT(6)
+#define ULPI_IFC_CTRL_PROTECT_IFC_DISABLE BIT(7)
+
+/* OTG Control */
+#define ULPI_OTG_CTRL_ID_PULLUP BIT(0)
+#define ULPI_OTG_CTRL_DP_PULLDOWN BIT(1)
+#define ULPI_OTG_CTRL_DM_PULLDOWN BIT(2)
+#define ULPI_OTG_CTRL_DISCHRGVBUS BIT(3)
+#define ULPI_OTG_CTRL_CHRGVBUS BIT(4)
+#define ULPI_OTG_CTRL_DRVVBUS BIT(5)
+#define ULPI_OTG_CTRL_DRVVBUS_EXT BIT(6)
+#define ULPI_OTG_CTRL_EXTVBUSIND BIT(7)
+
+/* USB Interrupt Enable Rising,
+ * USB Interrupt Enable Falling,
+ * USB Interrupt Status and
+ * USB Interrupt Latch
+ */
+#define ULPI_INT_HOST_DISCONNECT BIT(0)
+#define ULPI_INT_VBUS_VALID BIT(1)
+#define ULPI_INT_SESS_VALID BIT(2)
+#define ULPI_INT_SESS_END BIT(3)
+#define ULPI_INT_IDGRD BIT(4)
+
+/* Debug */
+#define ULPI_DEBUG_LINESTATE0 BIT(0)
+#define ULPI_DEBUG_LINESTATE1 BIT(1)
+
+/* Carkit Control */
+#define ULPI_CARKIT_CTRL_CARKITPWR BIT(0)
+#define ULPI_CARKIT_CTRL_IDGNDDRV BIT(1)
+#define ULPI_CARKIT_CTRL_TXDEN BIT(2)
+#define ULPI_CARKIT_CTRL_RXDEN BIT(3)
+#define ULPI_CARKIT_CTRL_SPKLEFTEN BIT(4)
+#define ULPI_CARKIT_CTRL_SPKRIGHTEN BIT(5)
+#define ULPI_CARKIT_CTRL_MICEN BIT(6)
+
+/* Carkit Interrupt Enable */
+#define ULPI_CARKIT_INT_EN_IDFLOAT_RISE BIT(0)
+#define ULPI_CARKIT_INT_EN_IDFLOAT_FALL BIT(1)
+#define ULPI_CARKIT_INT_EN_CARINTDET BIT(2)
+#define ULPI_CARKIT_INT_EN_DP_RISE BIT(3)
+#define ULPI_CARKIT_INT_EN_DP_FALL BIT(4)
+
+/* Carkit Interrupt Status and
+ * Carkit Interrupt Latch
+ */
+#define ULPI_CARKIT_INT_IDFLOAT BIT(0)
+#define ULPI_CARKIT_INT_CARINTDET BIT(1)
+#define ULPI_CARKIT_INT_DP BIT(2)
+
+/* Carkit Pulse Control*/
+#define ULPI_CARKIT_PLS_CTRL_TXPLSEN BIT(0)
+#define ULPI_CARKIT_PLS_CTRL_RXPLSEN BIT(1)
+#define ULPI_CARKIT_PLS_CTRL_SPKRLEFT_BIASEN BIT(2)
+#define ULPI_CARKIT_PLS_CTRL_SPKRRIGHT_BIASEN BIT(3)
+
+#endif /* __LINUX_ULPI_REGS_H */