SC16IS75x UART Driver

UART part of an SC16IS75x bridge. More...

Data Structures
struct	uart_sc16is75x_config
struct	uart_sc16is75x_data

Macros
#define	UART_SC16IS75X_DEFINE(inst)

Functions
static bool	uart_sc16is75x_rx_available (const struct device *dev)
static bool	uart_sc16is75x_tx_possible (const struct device *dev)
static int	uart_sc16is75x_enable_fifo (const struct device *dev, bool enable)
static int	uart_sc16is75x_reset_fifos (const struct device *dev)
static int	uart_sc16is75x_poll_in (const struct device *dev, unsigned char *p_char)
static void	uart_sc16is75x_poll_out (const struct device *dev, unsigned char out_char)
static int	uart_sc16is75x_err_check (const struct device *dev)
static int	uart_sc16is75x_set_baudrate (const struct device *dev, uint32_t baudrate)
static int	uart_sc16is75x_set_hw_flow_ctrl (const struct device *dev, bool enable)
static int	uart_sc16is75x_use_modem_pins (const struct device *dev, bool enable)
static int	uart_sc16is75x_set_rs485_flow_ctrl (const struct device *dev, bool enable)
static int	uart_sc16is75x_configure (const struct device *dev, const struct uart_config *cfg)
static int	uart_sc16is75x_callback_set (const struct device *dev, uart_callback_t callback, void *user_data)
static int	uart_sc16is75x_drv_cmd (const struct device *dev, uint32_t cmd, uint32_t p)
static int	uart_sc16is75x_pm_device_pm_action (const struct device *const dev, enum pm_device_action action)
static int	uart_sc16is75x_init (const struct device *dev)
	DT_INST_FOREACH_STATUS_OKAY (UART_SC16IS75X_DEFINE)

Variables
static const struct uart_driver_api	uart_sc16is75x_api

Detailed Description

UART part of an SC16IS75x bridge.

Since

3.7

Version

1.0.0

The UART driver part based on the MFD interface to the SC16IS75x SPI/I2C to UART and GPIO controller bridge.

Macro Definition Documentation

UART_SC16IS75X_DEFINE

#define UART_SC16IS75X_DEFINE

(

inst

)

#include <drivers/serial/uart_sc16is75x.c>

Value:

                                                                                                   \
        static struct uart_sc16is75x_config uart_sc16is75x_config_##inst = {                       \
                .bus = DEVICE_DT_GET(DT_INST_BUS(inst)),                                           \
                .channel = DT_INST_REG_ADDR(inst),                                                 \
                .clock_frequency =                                                                 \
                        DT_PROP_BY_PHANDLE(DT_INST_PARENT(inst), clock, clock_frequency),          \
        };                                                                                         \
        BUILD_ASSERT(DT_INST_REG_ADDR(inst) < SC16IS75X_UART_CHANNELS_MAX, "Too many channels");   \
                                                                                                   \
        static struct uart_sc16is75x_data uart_sc16is75x_data_##inst = {                           \
                .uart_config = {                                                                   \
                        .baudrate = DT_INST_PROP_OR(inst, current_speed, 9600),                    \
                        .parity = DT_INST_ENUM_IDX_OR(inst, parity, UART_CFG_PARITY_EVEN),         \
                        .stop_bits = DT_INST_ENUM_IDX_OR(inst, stop_bits, UART_CFG_STOP_BITS_2),   \
                        .data_bits = DT_INST_ENUM_IDX_OR(inst, data_bits, UART_CFG_DATA_BITS_6),   \
                        .flow_ctrl = COND_CODE_1(DT_INST_PROP_OR(inst,       \
                                                hw_flow_control, false),     \
                                        (UART_CFG_FLOW_CTRL_RTS_CTS),        \
                                        (UART_CFG_FLOW_CTRL_NONE)),      \
                        },                                                                         \
        };                                                                                         \
                                                                                                   \
        PM_DEVICE_DT_INST_DEFINE(inst, uart_sc16is75x_pm_device_pm_action);                        \
                                                                                                   \
        DEVICE_DT_INST_DEFINE(inst, uart_sc16is75x_init, PM_DEVICE_DT_INST_GET(inst),              \
                              &uart_sc16is75x_data_##inst, &uart_sc16is75x_config_##inst,          \
                              POST_KERNEL, CONFIG_UART_SC16IS75X_INIT_PRIORITY,                    \
                              &uart_sc16is75x_api);

Function Documentation

DT_INST_FOREACH_STATUS_OKAY()

DT_INST_FOREACH_STATUS_OKAY

(

UART_SC16IS75X_DEFINE

)

#include <drivers/serial/uart_sc16is75x.c>

uart_sc16is75x_callback_set()

static int uart_sc16is75x_callback_set ( const struct device *  dev, uart_callback_t  callback, void *  user_data  )

static

#include <drivers/serial/uart_sc16is75x.c>

uart_sc16is75x_configure()

static int uart_sc16is75x_configure ( const struct device *  dev, const struct uart_config *  cfg  )

static

#include <drivers/serial/uart_sc16is75x.c>

uart_sc16is75x_drv_cmd()

static int uart_sc16is75x_drv_cmd ( const struct device *  dev, uint32_t  cmd, uint32_t  p  )

static

#include <drivers/serial/uart_sc16is75x.c>

uart_sc16is75x_enable_fifo()

static int uart_sc16is75x_enable_fifo ( const struct device *  dev, bool  enable  )

static

#include <drivers/serial/uart_sc16is75x.c>

uart_sc16is75x_err_check()

static int uart_sc16is75x_err_check ( const struct device *  dev )

static

#include <drivers/serial/uart_sc16is75x.c>

uart_sc16is75x_init()

static int uart_sc16is75x_init ( const struct device *  dev )

static

#include <drivers/serial/uart_sc16is75x.c>

uart_sc16is75x_pm_device_pm_action()

static int uart_sc16is75x_pm_device_pm_action ( const struct device *const  dev, enum pm_device_action  action  )

static

#include <drivers/serial/uart_sc16is75x.c>

uart_sc16is75x_poll_in()

static int uart_sc16is75x_poll_in ( const struct device *  dev, unsigned char *  p_char  )

static

#include <drivers/serial/uart_sc16is75x.c>

uart_sc16is75x_poll_out()

static void uart_sc16is75x_poll_out ( const struct device *  dev, unsigned char  out_char  )

static

#include <drivers/serial/uart_sc16is75x.c>

uart_sc16is75x_reset_fifos()

static int uart_sc16is75x_reset_fifos ( const struct device *  dev )

static

#include <drivers/serial/uart_sc16is75x.c>

uart_sc16is75x_rx_available()

static bool uart_sc16is75x_rx_available ( const struct device *  dev )

static

#include <drivers/serial/uart_sc16is75x.c>

uart_sc16is75x_set_baudrate()

static int uart_sc16is75x_set_baudrate ( const struct device *  dev, uint32_t  baudrate  )

static

#include <drivers/serial/uart_sc16is75x.c>

uart_sc16is75x_set_hw_flow_ctrl()

static int uart_sc16is75x_set_hw_flow_ctrl ( const struct device *  dev, bool  enable  )

static

#include <drivers/serial/uart_sc16is75x.c>

uart_sc16is75x_set_rs485_flow_ctrl()

static int uart_sc16is75x_set_rs485_flow_ctrl ( const struct device *  dev, bool  enable  )

static

#include <drivers/serial/uart_sc16is75x.c>

uart_sc16is75x_tx_possible()

static bool uart_sc16is75x_tx_possible ( const struct device *  dev )

static

#include <drivers/serial/uart_sc16is75x.c>

uart_sc16is75x_use_modem_pins()

static int uart_sc16is75x_use_modem_pins ( const struct device *  dev, bool  enable  )

static

#include <drivers/serial/uart_sc16is75x.c>

Variable Documentation

uart_sc16is75x_api

const struct uart_driver_api uart_sc16is75x_api

static

#include <drivers/serial/uart_sc16is75x.c>

Initial value:

= {
        .poll_in = uart_sc16is75x_poll_in,
        .poll_out = uart_sc16is75x_poll_out,
 
 
 
 
        .err_check = uart_sc16is75x_err_check,
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
        .callback_set = uart_sc16is75x_callback_set, 
        .tx = NULL,
        .tx_abort = NULL,
        .rx_enable = NULL,
        .rx_buf_rsp = NULL,
        .rx_disable = NULL,
 
 
 
 
 
 
 
 
        .uart_sc16is75x_drv_cmd = uart_sc16is75x_drv_cmd,
 
 
}