'\" t
.\"     Title: struct i2c_board_info
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: I2C and SMBus Subsystem
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "STRUCT I2C_BOARD_INF" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "I2C and SMBus Subsystem"
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.SH "NAME"
struct_i2c_board_info \- template for device creation
.SH "SYNOPSIS"
.sp
.nf
struct i2c_board_info {
  char type[I2C_NAME_SIZE];
  unsigned short flags;
  unsigned short addr;
  void * platform_data;
  struct dev_archdata * archdata;
  struct device_node * of_node;
  struct fwnode_handle * fwnode;
  int irq;
};  
.fi
.SH "MEMBERS"
.PP
type[I2C_NAME_SIZE]
.RS 4
chip type, to initialize i2c_client\&.name
.RE
.PP
flags
.RS 4
to initialize i2c_client\&.flags
.RE
.PP
addr
.RS 4
stored in i2c_client\&.addr
.RE
.PP
platform_data
.RS 4
stored in i2c_client\&.dev\&.platform_data
.RE
.PP
archdata
.RS 4
copied into i2c_client\&.dev\&.archdata
.RE
.PP
of_node
.RS 4
pointer to OpenFirmware device node
.RE
.PP
fwnode
.RS 4
device node supplied by the platform firmware
.RE
.PP
irq
.RS 4
stored in i2c_client\&.irq
.RE
.SH "DESCRIPTION"
.PP
I2C doesn\*(Aqt actually support hardware probing, although controllers and devices may be able to use I2C_SMBUS_QUICK to tell whether or not there\*(Aqs a device at a given address\&. Drivers commonly need more information than that, such as chip type, configuration, associated IRQ, and so on\&.
.PP
i2c_board_info is used to build tables of information listing I2C devices that are present\&. This information is used to grow the driver model tree\&. For mainboards this is done statically using
\fBi2c_register_board_info\fR; bus numbers identify adapters that aren\*(Aqt yet available\&. For add\-on boards,
\fBi2c_new_device\fR
does this dynamically with the adapter already known\&.
.SH "COPYRIGHT"
.br