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drivers: i2c: telink_b91: replace Pinmux by Pinctrl

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Updated driver to use new Pinctrl driver.

Signed-off-by: Yuriy Vynnychek <yura.vynnychek@telink-semi.com>
This commit is contained in:
Yuriy Vynnychek 2022-02-11 14:15:52 +02:00 • committed by Anas Nashif
commit 693833eb5e
1 changed files with 25 additions and 35 deletions
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60
drivers/i2c/i2c_b91.c
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@ -14,14 +14,12 @@ LOG_MODULE_REGISTER(i2c_telink);
#include <drivers/i2c.h>
#include "i2c-priv.h"
#include <drivers/pinmux.h>
#include <dt-bindings/pinctrl/b91-pinctrl.h>
#include <drivers/pinctrl.h>
/* I2C configuration structure */
struct i2c_b91_cfg {
uint32_t bitrate;
const uint32_t *pinctrl_list;
size_t pinctrl_list_size;
const struct pinctrl_dev_config *pcfg;
};
/* I2C data structure */
@ -124,7 +122,6 @@ static int i2c_b91_transfer(const struct device *dev,
static int i2c_b91_init(const struct device *dev)
{
int status = 0;
const struct device *pinmux;
const struct i2c_b91_cfg *cfg = dev->config;
struct i2c_b91_data *data = dev->data;
uint32_t dev_config = (I2C_MODE_MASTER | i2c_map_dt_bitrate(cfg->bitrate));
@ -139,16 +136,11 @@ static int i2c_b91_init(const struct device *dev)
return status;
}
/* get pinmux driver */
pinmux = DEVICE_DT_GET(DT_NODELABEL(pinmux));
if (!device_is_ready(pinmux)) {
return -ENODEV;
}
/* config pins */
for (int i = 0; i < cfg->pinctrl_list_size; i++) {
pinmux_pin_set(pinmux, B91_PINMUX_GET_PIN(cfg->pinctrl_list[i]),
B91_PINMUX_GET_FUNC(cfg->pinctrl_list[i]));
/* configure pins */
status = pinctrl_apply_state(cfg->pcfg, PINCTRL_STATE_DEFAULT);
if (status < 0) {
LOG_ERR("Failed to configure I2C pins");
return status;
}
return 0;
@ -164,25 +156,23 @@ BUILD_ASSERT(DT_NUM_INST_STATUS_OKAY(DT_DRV_COMPAT) <= 1,
"unsupported I2C instance");
/* I2C driver registration */
#define I2C_B91_INIT(inst) \
\
static const uint32_t i2c_pins_##inst[] = \
B91_PINMUX_DT_INST_GET_ARRAY(inst, 0); \
\
static struct i2c_b91_data i2c_b91_data_##inst; \
\
static struct i2c_b91_cfg i2c_b91_cfg_##inst = { \
.bitrate = DT_INST_PROP(inst, clock_frequency), \
.pinctrl_list_size = ARRAY_SIZE(i2c_pins_##inst), \
.pinctrl_list = i2c_pins_##inst \
}; \
\
I2C_DEVICE_DT_INST_DEFINE(inst, i2c_b91_init, \
NULL, \
&i2c_b91_data_##inst, \
&i2c_b91_cfg_##inst, \
POST_KERNEL, \
CONFIG_KERNEL_INIT_PRIORITY_DEVICE, \
&i2c_b91_api);
#define I2C_B91_INIT(inst) \
\
PINCTRL_DT_INST_DEFINE(inst); \
\
static struct i2c_b91_data i2c_b91_data_##inst; \
\
static struct i2c_b91_cfg i2c_b91_cfg_##inst = { \
.bitrate = DT_INST_PROP(inst, clock_frequency), \
.pcfg = PINCTRL_DT_INST_DEV_CONFIG_GET(inst), \
}; \
\
I2C_DEVICE_DT_INST_DEFINE(inst, i2c_b91_init, \
NULL, \
&i2c_b91_data_##inst, \
&i2c_b91_cfg_##inst, \
POST_KERNEL, \
CONFIG_KERNEL_INIT_PRIORITY_DEVICE, \
&i2c_b91_api);
DT_INST_FOREACH_STATUS_OKAY(I2C_B91_INIT)