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cmd: Add i3c command support.

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Add i3c command file to support select, get i3c device
target list, read and write operation.

Signed-off-by: Dinesh Maniyam <dinesh.maniyam@altera.com>
This commit is contained in:
Dinesh Maniyam
2025-08-06 12:32:32 +08:00
committed by Heiko Schocher
parent 82cc368cd2
commit b875409da7
8 changed files with 489 additions and 2 deletions
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2
include/dw-i3c.h
View File

@@ -241,6 +241,8 @@ struct dw_i3c_master {
char type[5];
u8 addrs[MAX_DEVS];
bool first_broadcast;
struct i3c_dev_desc *i3cdev[I3C_BUS_MAX_DEVS];
u16 num_i3cdevs;
};
struct dw_i3c_i2c_dev_data {

28
include/i3c.h
View File

@@ -25,6 +25,32 @@ struct dm_i3c_ops {
int (*i3c_xfers)(struct i3c_dev_desc *dev,
struct i3c_priv_xfer *xfers,
u32 nxfers);
/**
* @read: Perform I3C read transaction.
*
* @dev: Chip to read from
* @dev_number: The target device number from the driver model.
* @buf: Place to put data
* @num_bytes: Number of bytes to read.
*
* Return: 0 on success, negative error code on failure.
*/
int (*read)(struct udevice *dev, u32 dev_number,
u8 *buf, u32 num_bytes);
/**
* @write: Perform I3C write transaction.
*
* @dev: Chip to write to
* @dev_number: The target device number from the driver model.
* @buf: Buffer containing data to write
* @num_bytes: Number of bytes to write.
*
* Return: 0 on success, negative error code on failure.
*/
int (*write)(struct udevice *dev, u32 dev_number,
u8 *buf, u32 num_bytes);
};
/**
@@ -64,4 +90,4 @@ int dm_i3c_write(struct udevice *dev, u32 dev_number,
* Return: 0 on success, negative error code on failure.
*/
int dm_i3c_read(struct udevice *dev, u32 dev_number,
u8 *buf, u32 num_bytes);
u8 *buf, u32 num_bytes);