drivers: rtc: Add support for Micro Crystal RV-8263-C8
Remove redundant code Signed-off-by: Daniel Kampert <DanielKampert@kampis-elektroecke.de>
This commit is contained in:
Daniel Kampert
Alberto Escolar
parent
37d6bc0827
commit
73c05e2079
2 changed files with 40 additions and 55 deletions
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@ -98,9 +98,6 @@ struct rv8263c8_data {
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#if (CONFIG_RTC_ALARM || CONFIG_RTC_UPDATE) && DT_ANY_INST_HAS_PROP_STATUS_OKAY(int_gpios)
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const struct device *dev;
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#endif
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#if (CONFIG_RTC_ALARM || CONFIG_RTC_UPDATE) && DT_ANY_INST_HAS_PROP_STATUS_OKAY(int_gpios)
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struct gpio_callback gpio_cb;
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#endif
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@ -120,19 +117,19 @@ struct rv8263c8_data {
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static int rv8263c8_update_disable_timer(const struct device *dev)
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{
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int err;
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uint8_t reg;
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uint8_t buf[2];
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const struct rv8263c8_config *config = dev->config;
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/* Value 0 disables the timer. */
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reg = 0;
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err = i2c_burst_write_dt(&config->i2c_bus, RV8263C8_REGISTER_TIMER_VALUE, ®,
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sizeof(reg));
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buf[0] = RV8263C8_REGISTER_TIMER_VALUE;
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buf[1] = 0;
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err = i2c_write_dt(&config->i2c_bus, buf, 2);
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if (err < 0) {
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return err;
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}
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return i2c_burst_write_dt(&config->i2c_bus, RV8263C8_REGISTER_TIMER_MODE, ®,
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sizeof(reg));
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buf[0] = RV8263C8_REGISTER_TIMER_MODE;
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return i2c_write_dt(&config->i2c_bus, buf, 2);
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}
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#if (CONFIG_RTC_ALARM || CONFIG_RTC_UPDATE) && DT_ANY_INST_HAS_PROP_STATUS_OKAY(int_gpios)
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@ -144,11 +141,11 @@ static void rv8263c8_gpio_callback_handler(const struct device *p_port, struct g
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struct rv8263c8_data *data = CONTAINER_OF(p_cb, struct rv8263c8_data, gpio_cb);
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#if CONFIG_RTC_ALARM && DT_ANY_INST_HAS_PROP_STATUS_OKAY(int_gpios)
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#if CONFIG_RTC_ALARM
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k_work_submit(&data->alarm_work);
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#endif
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#if CONFIG_RTC_UPDATE && DT_ANY_INST_HAS_PROP_STATUS_OKAY(int_gpios)
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#if CONFIG_RTC_UPDATE
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k_work_submit(&data->update_work);
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#endif
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}
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@ -183,21 +180,21 @@ static void rv8263c8_alarm_worker(struct k_work *p_work)
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static int rv8263c8_update_enable_timer(const struct device *dev)
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{
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int err;
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uint8_t reg;
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const struct rv8263c8_config *config = dev->config;
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uint8_t buf[2];
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/* Set the timer preload value for 1 second. */
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reg = 1;
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err = i2c_burst_write_dt(&config->i2c_bus, RV8263C8_REGISTER_TIMER_VALUE, ®,
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sizeof(reg));
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buf[0] = RV8263C8_REGISTER_TIMER_VALUE;
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buf[1] = 1;
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err = i2c_write_dt(&config->i2c_bus, buf, 2);
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if (err < 0) {
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return err;
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}
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reg = RV8263_BM_TD_1HZ | RV8263_BM_TE_ENABLE | RV8263_BM_TIE_ENABLE | RV8263_BM_TI_TP_PULSE;
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return i2c_burst_write_dt(&config->i2c_bus, RV8263C8_REGISTER_TIMER_MODE, ®,
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sizeof(reg));
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buf[0] = RV8263C8_REGISTER_TIMER_MODE;
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buf[1] = RV8263_BM_TD_1HZ | RV8263_BM_TE_ENABLE | RV8263_BM_TIE_ENABLE |
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RV8263_BM_TI_TP_PULSE;
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return i2c_write_dt(&config->i2c_bus, buf, 2);
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}
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static void rv8263c8_update_worker(struct k_work *p_work)
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@ -225,7 +222,7 @@ static void rv8263c8_update_worker(struct k_work *p_work)
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static int rv8263c8_time_set(const struct device *dev, const struct rtc_time *timeptr)
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{
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uint8_t regs[7];
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uint8_t regs[8];
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const struct rv8263c8_config *config = dev->config;
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if (timeptr == NULL || (timeptr->tm_year < RV8263_YEAR_OFFSET)) {
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@ -238,15 +235,16 @@ static int rv8263c8_time_set(const struct device *dev, const struct rtc_time *ti
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timeptr->tm_year, timeptr->tm_mon, timeptr->tm_mday, timeptr->tm_wday,
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timeptr->tm_hour, timeptr->tm_min, timeptr->tm_sec);
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regs[0] = bin2bcd(timeptr->tm_sec) & SECONDS_BITS;
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regs[1] = bin2bcd(timeptr->tm_min) & MINUTES_BITS;
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regs[2] = bin2bcd(timeptr->tm_hour) & HOURS_BITS;
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regs[3] = bin2bcd(timeptr->tm_mday) & DATE_BITS;
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regs[4] = bin2bcd(timeptr->tm_wday) & WEEKDAY_BITS;
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regs[5] = bin2bcd(timeptr->tm_mon) & MONTHS_BITS;
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regs[6] = bin2bcd(timeptr->tm_year - RV8263_YEAR_OFFSET) & YEAR_BITS;
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regs[0] = RV8263C8_REGISTER_SECONDS;
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regs[1] = bin2bcd(timeptr->tm_sec) & SECONDS_BITS;
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regs[2] = bin2bcd(timeptr->tm_min) & MINUTES_BITS;
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regs[3] = bin2bcd(timeptr->tm_hour) & HOURS_BITS;
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regs[4] = bin2bcd(timeptr->tm_mday) & DATE_BITS;
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regs[5] = bin2bcd(timeptr->tm_wday) & WEEKDAY_BITS;
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regs[6] = bin2bcd(timeptr->tm_mon) & MONTHS_BITS;
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regs[7] = bin2bcd(timeptr->tm_year - RV8263_YEAR_OFFSET) & YEAR_BITS;
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return i2c_burst_write_dt(&config->i2c_bus, RV8263C8_REGISTER_SECONDS, regs, sizeof(regs));
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return i2c_write_dt(&config->i2c_bus, regs, 8);
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}
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static int rv8263c8_time_get(const struct device *dev, struct rtc_time *timeptr)
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@ -328,38 +326,24 @@ static int rv8263c8_init(const struct device *dev)
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return err;
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}
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temp = 0x00;
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if (config->clkout == 0) {
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temp = 0x07;
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} else if (config->clkout == 1) {
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temp = 0x06;
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} else if (config->clkout == 1024) {
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temp = 0x05;
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} else if (config->clkout == 2048) {
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temp = 0x04;
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} else if (config->clkout == 4096) {
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temp = 0x03;
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} else if (config->clkout == 8192) {
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temp = 0x02;
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} else if (config->clkout == 16384) {
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temp = 0x01;
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}
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temp = config->clkout;
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LOG_DBG("Configure ClkOut: %u", temp);
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err = i2c_reg_write_byte_dt(&config->i2c_bus, RV8263C8_REGISTER_CONTROL_2,
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RV8263C8_BM_MINUTE_INT_DISABLE |
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RV8263C8_BM_HALF_MINUTE_INT_DISABLE | temp);
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RV8263C8_BM_AF | temp);
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if (err < 0) {
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LOG_ERR("Error while writing CONTROL_2! Error: %i", err);
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return err;
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}
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#if CONFIG_RTC_UPDATE && DT_ANY_INST_HAS_PROP_STATUS_OKAY(int_gpios)
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uint8_t regs = 0;
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LOG_DBG("Configure ClkOut: %u", temp);
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err = i2c_burst_write_dt(&config->i2c_bus, RV8263C8_REGISTER_TIMER_MODE, ®s,
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sizeof(regs));
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#if CONFIG_RTC_UPDATE && DT_ANY_INST_HAS_PROP_STATUS_OKAY(int_gpios)
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uint8_t buf[2];
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buf[0] = RV8263C8_REGISTER_TIMER_MODE;
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buf[1] = 0;
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err = i2c_write_dt(&config->i2c_bus, buf, 2);
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if (err < 0) {
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LOG_ERR("Error while writing CONTROL2! Error: %i", err);
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return err;
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@ -777,7 +761,7 @@ static const struct rtc_driver_api rv8263c8_driver_api = {
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static struct rv8263c8_data rv8263c8_data_##inst; \
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static const struct rv8263c8_config rv8263c8_config_##inst = { \
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.i2c_bus = I2C_DT_SPEC_INST_GET(inst), \
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.clkout = DT_INST_PROP_OR(inst, clkout, 0), \
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.clkout = DT_INST_ENUM_IDX(inst, clkout), \
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IF_ENABLED(DT_ANY_INST_HAS_PROP_STATUS_OKAY(int_gpios), \
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(.int_gpio = GPIO_DT_SPEC_INST_GET_OR(inst, int_gpios, {0})))}; \
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DEVICE_DT_INST_DEFINE(inst, &rv8263c8_init, NULL, &rv8263c8_data_##inst, \
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@ -16,15 +16,16 @@ properties:
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clkout:
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type: int
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default: 32768
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default: 0
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enum:
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- 32768
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- 16384
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- 8192
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- 4096
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- 2048
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- 1024
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- 1
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- 0
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description:
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Enable CLKOUT at given frequency. When disabled, CLKOUT pin is LOW. Set to 0 to
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disable the CLKOUT signal.
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Enable CLKOUT at given frequency. When disabled, CLKOUT pin is LOW.
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The default is 0 and corresponds to the disable the CLKOUT signal.
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