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drivers: i2c: mcux_i2c: add instance initialization macro

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Use a macro instead of repeating the initialization code
for each i2c instance.

Signed-off-by: Filip Brozovic <fbrozovic@gmail.com>
This commit is contained in:
Filip Brozovic 2019-08-19 16:19:50 +02:00 • committed by Maureen Helm
commit 1fd4ec9577
1 changed files with 31 additions and 50 deletions
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81
drivers/i2c/i2c_mcux.c
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@ -198,56 +198,37 @@ static const struct i2c_driver_api i2c_mcux_driver_api = {
.transfer = i2c_mcux_transfer,
};
#define I2C_DEVICE_INIT_MCUX(n) \
static void i2c_mcux_config_func_ ## n(struct device *dev); \
\
static const struct i2c_mcux_config i2c_mcux_config_ ## n = { \
.base = (I2C_Type *)DT_I2C_MCUX_ ## n ## _BASE_ADDRESS, \
.clock_source = I2C ## n ## _CLK_SRC, \
.irq_config_func = i2c_mcux_config_func_ ## n, \
.bitrate = DT_I2C_MCUX_ ## n ## _BITRATE, \
}; \
\
static struct i2c_mcux_data i2c_mcux_data_ ## n; \
\
DEVICE_AND_API_INIT(i2c_mcux_ ## n, CONFIG_I2C_ ## n ## _NAME, \
&i2c_mcux_init, &i2c_mcux_data_ ## n, \
&i2c_mcux_config_ ## n, POST_KERNEL, \
CONFIG_KERNEL_INIT_PRIORITY_DEVICE, \
&i2c_mcux_driver_api); \
\
static void i2c_mcux_config_func_ ## n(struct device *dev) \
{ \
IRQ_CONNECT(DT_I2C_MCUX_ ## n ## _IRQ, \
DT_I2C_MCUX_ ## n ## _IRQ_PRI, i2c_mcux_isr, \
DEVICE_GET(i2c_mcux_ ## n), 0); \
\
irq_enable(DT_I2C_MCUX_ ## n ## _IRQ); \
}
#ifdef CONFIG_I2C_0
static void i2c_mcux_config_func_0(struct device *dev);
static const struct i2c_mcux_config i2c_mcux_config_0 = {
.base = (I2C_Type *)DT_I2C_MCUX_0_BASE_ADDRESS,
.clock_source = I2C0_CLK_SRC,
.irq_config_func = i2c_mcux_config_func_0,
.bitrate = DT_I2C_MCUX_0_BITRATE,
};
static struct i2c_mcux_data i2c_mcux_data_0;
DEVICE_AND_API_INIT(i2c_mcux_0, CONFIG_I2C_0_NAME, &i2c_mcux_init,
&i2c_mcux_data_0, &i2c_mcux_config_0,
POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
&i2c_mcux_driver_api);
static void i2c_mcux_config_func_0(struct device *dev)
{
ARG_UNUSED(dev);
IRQ_CONNECT(DT_I2C_MCUX_0_IRQ, DT_I2C_MCUX_0_IRQ_PRI,
i2c_mcux_isr, DEVICE_GET(i2c_mcux_0), 0);
irq_enable(DT_I2C_MCUX_0_IRQ);
}
#endif /* CONFIG_I2C_0 */
I2C_DEVICE_INIT_MCUX(0)
#endif
#ifdef CONFIG_I2C_1
static void i2c_mcux_config_func_1(struct device *dev);
static const struct i2c_mcux_config i2c_mcux_config_1 = {
.base = (I2C_Type *)DT_I2C_MCUX_1_BASE_ADDRESS,
.clock_source = I2C1_CLK_SRC,
.irq_config_func = i2c_mcux_config_func_1,
.bitrate = DT_I2C_MCUX_1_BITRATE,
};
static struct i2c_mcux_data i2c_mcux_data_1;
DEVICE_AND_API_INIT(i2c_mcux_1, CONFIG_I2C_1_NAME, &i2c_mcux_init,
&i2c_mcux_data_1, &i2c_mcux_config_1,
POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
&i2c_mcux_driver_api);
static void i2c_mcux_config_func_1(struct device *dev)
{
IRQ_CONNECT(DT_I2C_MCUX_1_IRQ, DT_I2C_MCUX_1_IRQ_PRI,
i2c_mcux_isr, DEVICE_GET(i2c_mcux_1), 0);
irq_enable(DT_I2C_MCUX_1_IRQ);
}
#endif /* CONFIG_I2C_1 */
I2C_DEVICE_INIT_MCUX(1)
#endif