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sensor: bmi160: convert to _dt_spec

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Convert bmi160 driver to use `spi_dt_spec`, `i2c_dt_spec` and
`gpio_dt_spec`.

Signed-off-by: Jordan Yates <jordan.yates@data61.csiro.au>
This commit is contained in:
Jordan Yates 2021-08-07 14:29:08 +10:00 • committed by Christopher Friedt
commit 3682eb9714
3 changed files with 67 additions and 82 deletions
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78
drivers/sensor/bmi160/bmi160.c
View file

@ -31,7 +31,6 @@ static int bmi160_transceive(const struct device *dev, uint8_t reg,
bool write, void *buf, size_t length) bool write, void *buf, size_t length)
{ {
const struct bmi160_cfg *cfg = to_config(dev); const struct bmi160_cfg *cfg = to_config(dev);
struct bmi160_data *data = to_data(dev);
const struct spi_buf tx_buf[2] = { const struct spi_buf tx_buf[2] = {
{ {
.buf = &reg, .buf = &reg,
@ -53,57 +52,63 @@ static int bmi160_transceive(const struct device *dev, uint8_t reg,
.count = 2 .count = 2
}; };
return spi_transceive(data->bus, cfg->bus_cfg.spi_cfg, &tx, return spi_transceive_dt(&cfg->bus.spi, &tx, &rx);
&rx);
} }
return spi_write(data->bus, cfg->bus_cfg.spi_cfg, &tx); return spi_write_dt(&cfg->bus.spi, &tx);
}
bool bmi160_bus_ready_spi(const struct device *dev)
{
return spi_is_ready(&to_config(dev)->bus.spi);
} }
int bmi160_read_spi(const struct device *dev, int bmi160_read_spi(const struct device *dev,
const struct bmi160_bus_cfg *bus_config, uint8_t reg_addr, uint8_t reg_addr, void *buf, uint8_t len)
void *buf, uint8_t len)
{ {
return bmi160_transceive(dev, reg_addr | BMI160_REG_READ, false, return bmi160_transceive(dev, reg_addr | BMI160_REG_READ, false,
buf, len); buf, len);
} }
int bmi160_write_spi(const struct device *dev, int bmi160_write_spi(const struct device *dev,
const struct bmi160_bus_cfg *bus_config,
uint8_t reg_addr, void *buf, uint8_t len) uint8_t reg_addr, void *buf, uint8_t len)
{ {
return bmi160_transceive(dev, reg_addr & BMI160_REG_MASK, true, return bmi160_transceive(dev, reg_addr & BMI160_REG_MASK, true,
buf, len); buf, len);
} }
static const struct bmi160_reg_io bmi160_reg_io_spi = { static const struct bmi160_bus_io bmi160_bus_io_spi = {
.ready = bmi160_bus_ready_spi,
.read = bmi160_read_spi, .read = bmi160_read_spi,
.write = bmi160_write_spi, .write = bmi160_write_spi,
}; };
#endif /* BMI160_BUS_SPI */ #endif /* BMI160_BUS_SPI */
#if BMI160_BUS_I2C #if BMI160_BUS_I2C
int bmi160_read_i2c(const struct device *dev,
const struct bmi160_bus_cfg *bus_config, uint8_t reg_addr,
void *buf, uint8_t len)
{
struct bmi160_data *data = to_data(dev);
return i2c_burst_read(data->bus, bus_config->i2c_addr, reg_addr, buf, bool bmi160_bus_ready_i2c(const struct device *dev)
len); {
return device_is_ready(to_config(dev)->bus.i2c.bus);
}
int bmi160_read_i2c(const struct device *dev,
uint8_t reg_addr, void *buf, uint8_t len)
{
const struct bmi160_cfg *cfg = to_config(dev);
return i2c_burst_read_dt(&cfg->bus.i2c, reg_addr, buf, len);
} }
int bmi160_write_i2c(const struct device *dev, int bmi160_write_i2c(const struct device *dev,
const struct bmi160_bus_cfg *bus_config,
uint8_t reg_addr, void *buf, uint8_t len) uint8_t reg_addr, void *buf, uint8_t len)
{ {
struct bmi160_data *data = to_data(dev); const struct bmi160_cfg *cfg = to_config(dev);
return i2c_burst_write(data->bus, bus_config->i2c_addr, reg_addr, buf, return i2c_burst_write_dt(&cfg->bus.i2c, reg_addr, buf, len);
len);
} }
static const struct bmi160_reg_io bmi160_reg_io_i2c = { static const struct bmi160_bus_io bmi160_bus_io_i2c = {
.ready = bmi160_bus_ready_i2c,
.read = bmi160_read_i2c, .read = bmi160_read_i2c,
.write = bmi160_write_i2c, .write = bmi160_write_i2c,
}; };
@ -114,7 +119,7 @@ int bmi160_read(const struct device *dev, uint8_t reg_addr, void *buf,
{ {
const struct bmi160_cfg *cfg = to_config(dev); const struct bmi160_cfg *cfg = to_config(dev);
return cfg->reg_io->read(dev, &cfg->bus_cfg, reg_addr, buf, len); return cfg->bus_io->read(dev, reg_addr, buf, len);
} }
int bmi160_byte_read(const struct device *dev, uint8_t reg_addr, uint8_t *byte) int bmi160_byte_read(const struct device *dev, uint8_t reg_addr, uint8_t *byte)
@ -142,7 +147,7 @@ int bmi160_write(const struct device *dev, uint8_t reg_addr, void *buf,
{ {
const struct bmi160_cfg *cfg = to_config(dev); const struct bmi160_cfg *cfg = to_config(dev);
return cfg->reg_io->write(dev, &cfg->bus_cfg, reg_addr, buf, len); return cfg->bus_io->write(dev, reg_addr, buf, len);
} }
int bmi160_byte_write(const struct device *dev, uint8_t reg_addr, int bmi160_byte_write(const struct device *dev, uint8_t reg_addr,
@ -874,9 +879,8 @@ int bmi160_init(const struct device *dev)
uint8_t val = 0U; uint8_t val = 0U;
int32_t acc_range, gyr_range; int32_t acc_range, gyr_range;
data->bus = device_get_binding(cfg->bus_label); if (!cfg->bus_io->ready(dev)) {
if (!data->bus) { LOG_ERR("Bus not ready");
LOG_DBG("SPI master controller not found: %s.", cfg->bus_label);
return -EINVAL; return -EINVAL;
} }
@ -973,9 +977,7 @@ int bmi160_init(const struct device *dev)
#if defined(CONFIG_BMI160_TRIGGER) #if defined(CONFIG_BMI160_TRIGGER)
#define BMI160_TRIGGER_CFG(inst) \ #define BMI160_TRIGGER_CFG(inst) \
.gpio_port = DT_INST_GPIO_LABEL(inst, int_gpios), \ .interrupt = GPIO_DT_SPEC_INST_GET(inst, int_gpios),
.int_pin = DT_INST_GPIO_PIN(inst, int_gpios), \
.int_flags = DT_INST_GPIO_FLAGS(inst, int_gpios),
#else #else
#define BMI160_TRIGGER_CFG(inst) #define BMI160_TRIGGER_CFG(inst)
#endif #endif
@ -990,32 +992,22 @@ int bmi160_init(const struct device *dev)
#define BMI160_DEFINE_SPI(inst) \ #define BMI160_DEFINE_SPI(inst) \
static struct bmi160_data bmi160_data_##inst; \ static struct bmi160_data bmi160_data_##inst; \
static const struct bmi160_cfg bmi160_cfg_##inst = { \ static const struct bmi160_cfg bmi160_cfg_##inst = { \
.bus.spi = SPI_DT_SPEC_INST_GET(inst, SPI_WORD_SET(8), 0), \
.bus_io = &bmi160_bus_io_spi, \
BMI160_TRIGGER_CFG(inst) \ BMI160_TRIGGER_CFG(inst) \
.reg_io = &bmi160_reg_io_spi, \
.bus_label = DT_INST_BUS_LABEL(inst), \
.bus_cfg = { \
.spi_cfg = (&(struct spi_config) { \
.operation = SPI_WORD_SET(8), \
.frequency = DT_INST_PROP(inst, \
spi_max_frequency), \
.slave = DT_INST_REG_ADDR(inst), \
}), \
}, \
}; \ }; \
BMI160_DEVICE_INIT(inst) BMI160_DEVICE_INIT(inst)
/* Instantiation macros used when a device is on an I2C bus */ /* Instantiation macros used when a device is on an I2C bus */
#define BMI160_CONFIG_I2C(inst) \ #define BMI160_CONFIG_I2C(inst) \
{ \ { \
.bus_label = DT_INST_BUS_LABEL(inst), \ .bus.i2c = I2C_DT_SPEC_INST_GET(inst), \
.reg_io = &bmi160_reg_io_i2c, \ .bus_io = &bmi160_bus_io_i2c, \
.bus_cfg = { .i2c_addr = DT_INST_REG_ADDR(inst), } \
} }
#define BMI160_DEFINE_I2C(inst) \ #define BMI160_DEFINE_I2C(inst) \
static struct bmi160_data bmi160_data_##inst; \ static struct bmi160_data bmi160_data_##inst; \
static const struct bmi160_cfg bmi160_cfg_##inst = \ static const struct bmi160_cfg bmi160_cfg_##inst = BMI160_CONFIG_I2C(inst); \
BMI160_CONFIG_I2C(inst); \
BMI160_DEVICE_INIT(inst) BMI160_DEVICE_INIT(inst)
/* /*

28
drivers/sensor/bmi160/bmi160.h
View file

@ -8,6 +8,7 @@
#ifndef ZEPHYR_DRIVERS_SENSOR_BMI160_BMI160_H_ #ifndef ZEPHYR_DRIVERS_SENSOR_BMI160_BMI160_H_
#define ZEPHYR_DRIVERS_SENSOR_BMI160_BMI160_H_ #define ZEPHYR_DRIVERS_SENSOR_BMI160_BMI160_H_
#include <drivers/i2c.h>
#include <drivers/gpio.h> #include <drivers/gpio.h>
#include <drivers/sensor.h> #include <drivers/sensor.h>
#include <drivers/spi.h> #include <drivers/spi.h>
@ -402,37 +403,32 @@ struct bmi160_range {
#define BMI160_BUS_SPI DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) #define BMI160_BUS_SPI DT_ANY_INST_ON_BUS_STATUS_OKAY(spi)
#define BMI160_BUS_I2C DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) #define BMI160_BUS_I2C DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
struct bmi160_bus_cfg { union bmi160_bus {
union {
#if BMI160_BUS_SPI #if BMI160_BUS_SPI
const struct spi_config *spi_cfg; struct spi_dt_spec spi;
#endif #endif
#if BMI160_BUS_I2C #if BMI160_BUS_I2C
uint16_t i2c_addr; struct i2c_dt_spec i2c;
#endif #endif
}; };
};
typedef int (*bmi160_reg_read_fn)(const struct device *bus, typedef bool (*bmi160_bus_ready_fn)(const struct device *dev);
const struct bmi160_bus_cfg *bus_cfg, typedef int (*bmi160_reg_read_fn)(const struct device *dev,
uint8_t reg_addr, void *data, uint8_t len); uint8_t reg_addr, void *data, uint8_t len);
typedef int (*bmi160_reg_write_fn)(const struct device *bus, typedef int (*bmi160_reg_write_fn)(const struct device *dev,
const struct bmi160_bus_cfg *bus_cfg,
uint8_t reg_addr, void *data, uint8_t len); uint8_t reg_addr, void *data, uint8_t len);
struct bmi160_reg_io { struct bmi160_bus_io {
bmi160_bus_ready_fn ready;
bmi160_reg_read_fn read; bmi160_reg_read_fn read;
bmi160_reg_write_fn write; bmi160_reg_write_fn write;
}; };
struct bmi160_cfg { struct bmi160_cfg {
struct bmi160_bus_cfg bus_cfg; union bmi160_bus bus;
const struct bmi160_reg_io *reg_io; const struct bmi160_bus_io *bus_io;
const char *bus_label;
#if defined(CONFIG_BMI160_TRIGGER) #if defined(CONFIG_BMI160_TRIGGER)
const char *gpio_port; struct gpio_dt_spec interrupt;
gpio_pin_t int_pin;
gpio_dt_flags_t int_flags;
#endif #endif
}; };

15
drivers/sensor/bmi160/bmi160_trigger.c
View file

@ -268,9 +268,8 @@ int bmi160_trigger_mode_init(const struct device *dev)
struct bmi160_data *data = to_data(dev); struct bmi160_data *data = to_data(dev);
const struct bmi160_cfg *cfg = to_config(dev); const struct bmi160_cfg *cfg = to_config(dev);
data->gpio = device_get_binding((char *)cfg->gpio_port); if (!device_is_ready(cfg->interrupt.port)) {
if (!data->gpio) { LOG_DBG("GPIO port %s not ready", cfg->interrupt.port->name);
LOG_DBG("Gpio controller %s not found.", cfg->gpio_port);
return -EINVAL; return -EINVAL;
} }
@ -295,16 +294,14 @@ int bmi160_trigger_mode_init(const struct device *dev)
return -EIO; return -EIO;
} }
gpio_pin_configure(data->gpio, cfg->int_pin, gpio_pin_configure_dt(&cfg->interrupt, GPIO_INPUT);
GPIO_INPUT | cfg->int_flags);
gpio_init_callback(&data->gpio_cb, gpio_init_callback(&data->gpio_cb,
bmi160_gpio_callback, bmi160_gpio_callback,
BIT(cfg->int_pin)); BIT(cfg->interrupt.pin));
gpio_add_callback(data->gpio, &data->gpio_cb); gpio_add_callback(cfg->interrupt.port, &data->gpio_cb);
gpio_pin_interrupt_configure(data->gpio, cfg->int_pin, gpio_pin_interrupt_configure_dt(&cfg->interrupt, GPIO_INT_EDGE_TO_ACTIVE);
GPIO_INT_EDGE_TO_ACTIVE);
return bmi160_byte_write(dev, BMI160_REG_INT_OUT_CTRL, return bmi160_byte_write(dev, BMI160_REG_INT_OUT_CTRL,
BMI160_INT1_OUT_EN | BMI160_INT1_EDGE_CTRL); BMI160_INT1_OUT_EN | BMI160_INT1_EDGE_CTRL);