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[DM/SPI] Support DM mode in SPI

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Signed-off-by: GuEe-GUI <2991707448@qq.com>
This commit is contained in:
GuEe-GUI
2024-11-27 18:04:07 +08:00
committed by Rbb666
parent 49d18ec0a9
commit 6f68ca7c71
7 changed files with 519 additions and 0 deletions
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components/drivers/include/drivers/dev_spi.h
+63
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@@ -16,6 +16,8 @@
#include <stdlib.h>
#include <rtthread.h>
#include <drivers/dev_pin.h>
#include <drivers/core/driver.h>
/**
* @addtogroup Drivers RTTHREAD Driver
* @defgroup SPI SPI
@@ -151,7 +153,12 @@ struct rt_spi_configuration
{
rt_uint8_t mode;
rt_uint8_t data_width;
#ifdef RT_USING_DM
rt_uint8_t data_width_tx;
rt_uint8_t data_width_rx;
#else
rt_uint16_t reserved;
#endif
rt_uint32_t max_hz;
};
@@ -167,6 +174,12 @@ struct rt_spi_bus
rt_uint8_t mode;
const struct rt_spi_ops *ops;
#ifdef RT_USING_DM
rt_base_t *pins;
rt_bool_t slave;
int num_chipselect;
#endif /* RT_USING_DM */
struct rt_mutex lock;
struct rt_spi_device *owner;
};
@@ -180,6 +193,20 @@ struct rt_spi_ops
rt_ssize_t (*xfer)(struct rt_spi_device *device, struct rt_spi_message *message);
};
#ifdef RT_USING_DM
/**
* @brief SPI delay info
*/
struct rt_spi_delay
{
#define RT_SPI_DELAY_UNIT_USECS 0
#define RT_SPI_DELAY_UNIT_NSECS 1
#define RT_SPI_DELAY_UNIT_SCK 2
rt_uint16_t value;
rt_uint8_t unit;
};
#endif /* RT_USING_DM */
/**
* @brief SPI Virtual BUS, one device must connected to a virtual BUS
*/
@@ -188,6 +215,17 @@ struct rt_spi_device
struct rt_device parent;
struct rt_spi_bus *bus;
#ifdef RT_USING_DM
const char *name;
const struct rt_spi_device_id *id;
const struct rt_ofw_node_id *ofw_id;
rt_uint8_t chip_select;
struct rt_spi_delay cs_setup;
struct rt_spi_delay cs_hold;
struct rt_spi_delay cs_inactive;
#endif
struct rt_spi_configuration config;
rt_base_t cs_pin;
void *user_data;
@@ -252,6 +290,31 @@ struct rt_qspi_device
#define SPI_DEVICE(dev) ((struct rt_spi_device *)(dev))
#ifdef RT_USING_DM
struct rt_spi_device_id
{
char name[20];
void *data;
};
struct rt_spi_driver
{
struct rt_driver parent;
const struct rt_spi_device_id *ids;
const struct rt_ofw_node_id *ofw_ids;
rt_err_t (*probe)(struct rt_spi_device *device);
rt_err_t (*remove)(struct rt_spi_device *device);
rt_err_t (*shutdown)(struct rt_spi_device *device);
};
rt_err_t rt_spi_driver_register(struct rt_spi_driver *driver);
rt_err_t rt_spi_device_register(struct rt_spi_device *device);
#define RT_SPI_DRIVER_EXPORT(driver) RT_DRIVER_EXPORT(driver, spi, BUILIN)
#endif /* RT_USING_DM */
/**
* @brief register a SPI bus
*