Added the documentation about the iic slave driver

Signed-off-by: zhangshoukui <zhangshoukui@xiaomi.com>
xiaoxiang781216 · Aug 7, 2024 · 5df3f5d · 5df3f5d
1 parent 75fa94a
commit 5df3f5d
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diff --git a/Documentation/components/drivers/special/i2c.rst b/Documentation/components/drivers/special/i2c.rst
@@ -21,3 +21,11 @@ I2C Device Drivers
 
 -  **Examples**: ``arch/z80/src/ez80/ez80_i2c.c``,
    ``arch/z80/src/z8/z8_i2c.c``, etc.
+
+-  ``struct i2c_slaveops_s``. Each I2C slave device driver must implement
+   an instance of ``struct i2c_slaveops_s``. That structure defines a call
+   table with the following methods:
+
+-  **Binding I2C Slave Drivers**. I2C slave drivers are normally directly
+   accessed by user code, We can read and write to device nodes using posix
+   interfaces.