drivers: dac: dac_mcp4725: Update driver to use i2c_dt_spec
Simplify driver by using i2c_dt_spec for bus access. Signed-off-by: Benjamin Björnsson <benjamin.bjornsson@gmail.com>
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774f8b5b73
commit
ed84e45526
1 changed files with 8 additions and 10 deletions
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@ -33,13 +33,13 @@ LOG_MODULE_REGISTER(dac_mcp4725, CONFIG_DAC_LOG_LEVEL);
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#define MCP4725_BUSY_TIMEOUT_MS 60U
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struct mcp4725_config {
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const struct device *i2c_dev;
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uint16_t i2c_addr;
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struct i2c_dt_spec i2c;
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};
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/* Read mcp4725 and check RDY status bit */
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static int mcp4725_wait_until_ready(const struct device *dev, uint16_t i2c_addr)
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static int mcp4725_wait_until_ready(const struct device *dev)
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{
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const struct mcp4725_config *config = dev->config;
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uint8_t rx_data[5];
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bool mcp4725_ready = false;
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int ret;
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@ -47,7 +47,7 @@ static int mcp4725_wait_until_ready(const struct device *dev, uint16_t i2c_addr)
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/* Wait until RDY bit is set or return error if timer exceeds MCP4725_BUSY_TIMEOUT_MS */
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while (!mcp4725_ready) {
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ret = i2c_read(dev, rx_data, sizeof(rx_data), i2c_addr);
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ret = i2c_read_dt(&config->i2c, rx_data, sizeof(rx_data));
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if (ret == 0) {
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mcp4725_ready = rx_data[0] & MCP4725_READ_RDY_MASK;
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@ -103,8 +103,7 @@ static int mcp4725_write_value(const struct device *dev, uint8_t channel,
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tx_data[0] = ((value >> MCP4725_FAST_MODE_DAC_UPPER_VAL_POS) &
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MCP4725_FAST_MODE_DAC_UPPER_VAL_MASK);
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tx_data[1] = (value & MCP4725_FAST_MODE_DAC_LOWER_VAL_MASK);
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ret = i2c_write(config->i2c_dev, tx_data, sizeof(tx_data),
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config->i2c_addr);
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ret = i2c_write_dt(&config->i2c, tx_data, sizeof(tx_data));
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return ret;
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}
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@ -113,13 +112,13 @@ static int dac_mcp4725_init(const struct device *dev)
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{
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const struct mcp4725_config *config = dev->config;
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if (!device_is_ready(config->i2c_dev)) {
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if (!device_is_ready(config->i2c.bus)) {
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LOG_ERR("I2C device not found");
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return -EINVAL;
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}
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/* Check we can read a 'RDY' bit from this device */
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if (mcp4725_wait_until_ready(config->i2c_dev, config->i2c_addr)) {
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if (mcp4725_wait_until_ready(dev)) {
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return -EBUSY;
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}
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@ -134,8 +133,7 @@ static const struct dac_driver_api mcp4725_driver_api = {
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#define INST_DT_MCP4725(index) \
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static const struct mcp4725_config mcp4725_config_##index = { \
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.i2c_dev = DEVICE_DT_GET(DT_INST_BUS(index)), \
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.i2c_addr = DT_INST_REG_ADDR(index) \
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.i2c = I2C_DT_SPEC_INST_GET(index), \
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}; \
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\
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DEVICE_DT_INST_DEFINE(index, dac_mcp4725_init, \
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