* @buffer: Place to put data
* @len: Number of bytes to read
*
- * @return 0 on success, -ve on failure
+ * Return: 0 on success, -ve on failure
*/
int dm_i2c_read(struct udevice *dev, uint offset, uint8_t *buffer, int len);
* @buffer: Buffer containing data to write
* @len: Number of bytes to write
*
- * @return 0 on success, -ve on failure
+ * Return: 0 on success, -ve on failure
*/
int dm_i2c_write(struct udevice *dev, uint offset, const uint8_t *buffer,
int len);
* @chip_addr: 7-bit address to probe (10-bit and others are not supported)
* @chip_flags: Flags for the probe (see enum dm_i2c_chip_flags)
* @devp: Returns the device found, or NULL if none
- * @return 0 if a chip was found at that address, -ve if not
+ * Return: 0 if a chip was found at that address, -ve if not
*/
int dm_i2c_probe(struct udevice *bus, uint chip_addr, uint chip_flags,
struct udevice **devp);
*
* @dev: Device to use for transfer
* @addr: Address to read from
- * @return value read, or -ve on error
+ * Return: value read, or -ve on error
*/
int dm_i2c_reg_read(struct udevice *dev, uint offset);
* @dev: Device to use for transfer
* @addr: Address to write to
* @val: Value to write (normally a byte)
- * @return 0 on success, -ve on error
+ * Return: 0 on success, -ve on error
*/
int dm_i2c_reg_write(struct udevice *dev, uint offset, unsigned int val);
* @offset: Address for the R/W operation
* @clr: Bitmask of bits that should be cleared
* @set: Bitmask of bits that should be set
- * @return 0 on success, -ve on error
+ * Return: 0 on success, -ve on error
*/
int dm_i2c_reg_clrset(struct udevice *dev, uint offset, u32 clr, u32 set);
* @dev: Device to use for transfer
* @msg: List of messages to transfer
* @nmsgs: Number of messages to transfer
- * @return 0 on success, -ve on error
+ * Return: 0 on success, -ve on error
*/
int dm_i2c_xfer(struct udevice *dev, struct i2c_msg *msg, int nmsgs);
*
* @bus: Bus to adjust
* @speed: Requested speed in Hz
- * @return 0 if OK, -EINVAL for invalid values
+ * Return: 0 if OK, -EINVAL for invalid values
*/
int dm_i2c_set_bus_speed(struct udevice *bus, unsigned int speed);
* dm_i2c_get_bus_speed() - get the speed of a bus
*
* @bus: Bus to check
- * @return speed of selected I2C bus in Hz, -ve on error
+ * Return: speed of selected I2C bus in Hz, -ve on error
*/
int dm_i2c_get_bus_speed(struct udevice *bus);
*
* @dev: Chip to adjust
* @flags: New flags
- * @return 0 if OK, -EINVAL if value is unsupported, other -ve value on error
+ * Return: 0 if OK, -EINVAL if value is unsupported, other -ve value on error
*/
int i2c_set_chip_flags(struct udevice *dev, uint flags);
*
* @dev: Chip to check
* @flagsp: Place to put flags
- * @return 0 if OK, other -ve value on error
+ * Return: 0 if OK, other -ve value on error
*/
int i2c_get_chip_flags(struct udevice *dev, uint *flagsp);
* function to set the bits that are valid to be used for offset overflow.
*
* @mask: The mask to be used for high offset bits within address
- * @return 0 if OK, other -ve value on error
+ * Return: 0 if OK, other -ve value on error
*/
int i2c_set_chip_addr_offset_mask(struct udevice *dev, uint mask);
/*
* i2c_get_chip_addr_offset_mask() - get mask of address bits usable by offset
*
- * @return current chip addr offset mask
+ * Return: current chip addr offset mask
*/
uint i2c_get_chip_addr_offset_mask(struct udevice *dev);
* See the deblock() method in 'struct dm_i2c_ops' for full information
*
* @bus: Bus to recover
- * @return 0 if OK, -ve on error
+ * Return: 0 if OK, -ve on error
*/
int i2c_deblock(struct udevice *bus);
* @scl_count: Number of SCL clock cycles generated to deblock SDA
* @start_count:Number of I2C start conditions sent after deblocking SDA
* @delay: Delay between SCL clock line changes
- * @return 0 if OK, -ve on error
+ * Return: 0 if OK, -ve on error
*/
struct gpio_desc;
int i2c_deblock_gpio_loop(struct gpio_desc *sda_pin, struct gpio_desc *scl_pin,
*
* @dev: Device to find an emulator for
* @emulp: Returns the associated emulator, if found *
- * @return 0 if OK, -ENOENT or -ENODEV if not found
+ * Return: 0 if OK, -ENOENT or -ENODEV if not found
*/
int i2c_emul_find(struct udevice *dev, struct udevice **emulp);
* Given an emulator this returns the associated device
*
* @emul: Emulator for the device
- * @return device that @emul is emulating
+ * Return: device that @emul is emulating
*/
struct udevice *i2c_emul_get_device(struct udevice *emul);
* properties.
*
* @dev: I2C device to process
- * @return 0 if OK, -EINVAL if acpi,hid is not present
+ * Return: 0 if OK, -EINVAL if acpi,hid is not present
*/
int acpi_i2c_of_to_plat(struct udevice *dev);
+#ifdef CONFIG_SYS_I2C_EARLY_INIT
+void i2c_early_init_f(void);
+#endif
+
#if !CONFIG_IS_ENABLED(DM_I2C)
/*
#endif
/*
- * Many boards/controllers/drivers don't support an I2C slave interface so
- * provide a default slave address for them for use in common code. A real
- * value for CONFIG_SYS_I2C_SLAVE should be defined for any board which does
- * support a slave interface.
- */
-#ifndef CONFIG_SYS_I2C_SLAVE
-#define CONFIG_SYS_I2C_SLAVE 0xfe
-#endif
-
-/*
* Initialization, must be called once on start up, may be called
* repeatedly to change the speed and slave addresses.
*/
-#ifdef CONFIG_SYS_I2C_EARLY_INIT
-void i2c_early_init_f(void);
-#endif
void i2c_init(int speed, int slaveaddr);
void i2c_init_board(void);
* Get FDT values for i2c bus.
*
* @param blob Device tree blbo
- * @return the number of I2C bus
+ * Return: the number of I2C bus
*/
void board_i2c_init(const void *blob);
*
* @param blob Device tree blbo
* @param node FDT I2C node to find
- * @return the number of I2C bus (zero based), or -1 on error
+ * Return: the number of I2C bus (zero based), or -1 on error
*/
int i2c_get_bus_num_fdt(int node);
*
* @param blob Device tree blbo
* @param node FDT I2C node to find
- * @return 0 if port was reset, -1 if not found
+ * Return: 0 if port was reset, -1 if not found
*/
int i2c_reset_port_fdt(const void *blob, int node);
projects / platform / kernel / u-boot.git / blobdiff