rtc: rv3029: convert to use regmap
To add support of rv3049, the current driver is converted to use regmap. Signed-off-by: Mylène Josserand <mylene.josserand@free-electrons.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Mylène Josserand
Alexandre Belloni
Родитель
4e7f1a6051
Коммит
e6e3808212
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@ -20,7 +20,7 @@
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#include <linux/of.h>
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#include <linux/hwmon.h>
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#include <linux/hwmon-sysfs.h>
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#include <linux/regmap.h>
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/* Register map */
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/* control section */
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@ -116,81 +116,84 @@
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#define RV3029_USR2_RAM_PAGE 0x3C
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#define RV3029_USR2_SECTION_LEN 0x04
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static int rv3029_read_regs(struct i2c_client *client, u8 reg, u8 *buf,
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struct rv3029_data {
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struct device *dev;
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struct rtc_device *rtc;
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struct regmap *regmap;
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int irq;
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};
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static int rv3029_read_regs(struct device *dev, u8 reg, u8 *buf,
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unsigned len)
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{
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int ret;
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struct rv3029_data *rv3029 = dev_get_drvdata(dev);
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if ((reg > RV3029_USR1_RAM_PAGE + 7) ||
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(reg + len > RV3029_USR1_RAM_PAGE + 8))
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return -EINVAL;
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ret = i2c_smbus_read_i2c_block_data(client, reg, len, buf);
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if (ret < 0)
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return ret;
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if (ret < len)
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return -EIO;
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return 0;
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return regmap_bulk_read(rv3029->regmap, reg, buf, len);
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}
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static int rv3029_write_regs(struct i2c_client *client, u8 reg, u8 const buf[],
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static int rv3029_write_regs(struct device *dev, u8 reg, u8 const buf[],
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unsigned len)
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{
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struct rv3029_data *rv3029 = dev_get_drvdata(dev);
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if ((reg > RV3029_USR1_RAM_PAGE + 7) ||
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(reg + len > RV3029_USR1_RAM_PAGE + 8))
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return -EINVAL;
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return i2c_smbus_write_i2c_block_data(client, reg, len, buf);
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return regmap_bulk_write(rv3029->regmap, reg, buf, len);
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}
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static int rv3029_update_bits(struct i2c_client *client, u8 reg, u8 mask,
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u8 set)
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static int rv3029_update_bits(struct device *dev, u8 reg, u8 mask, u8 set)
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{
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u8 buf;
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int ret;
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ret = rv3029_read_regs(client, reg, &buf, 1);
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ret = rv3029_read_regs(dev, reg, &buf, 1);
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if (ret < 0)
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return ret;
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buf &= ~mask;
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buf |= set & mask;
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ret = rv3029_write_regs(client, reg, &buf, 1);
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ret = rv3029_write_regs(dev, reg, &buf, 1);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int rv3029_get_sr(struct i2c_client *client, u8 *buf)
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static int rv3029_get_sr(struct device *dev, u8 *buf)
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{
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int ret = rv3029_read_regs(client, RV3029_STATUS, buf, 1);
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int ret = rv3029_read_regs(dev, RV3029_STATUS, buf, 1);
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if (ret < 0)
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return -EIO;
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dev_dbg(&client->dev, "status = 0x%.2x (%d)\n", buf[0], buf[0]);
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dev_dbg(dev, "status = 0x%.2x (%d)\n", buf[0], buf[0]);
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return 0;
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}
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static int rv3029_set_sr(struct i2c_client *client, u8 val)
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static int rv3029_set_sr(struct device *dev, u8 val)
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{
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u8 buf[1];
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int sr;
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buf[0] = val;
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sr = rv3029_write_regs(client, RV3029_STATUS, buf, 1);
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dev_dbg(&client->dev, "status = 0x%.2x (%d)\n", buf[0], buf[0]);
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sr = rv3029_write_regs(dev, RV3029_STATUS, buf, 1);
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dev_dbg(dev, "status = 0x%.2x (%d)\n", buf[0], buf[0]);
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if (sr < 0)
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return -EIO;
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return 0;
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}
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static int rv3029_eeprom_busywait(struct i2c_client *client)
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static int rv3029_eeprom_busywait(struct device *dev)
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{
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int i, ret;
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u8 sr;
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for (i = 100; i > 0; i--) {
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ret = rv3029_get_sr(client, &sr);
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ret = rv3029_get_sr(dev, &sr);
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if (ret < 0)
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break;
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if (!(sr & RV3029_STATUS_EEBUSY))
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@ -198,28 +201,28 @@ static int rv3029_eeprom_busywait(struct i2c_client *client)
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usleep_range(1000, 10000);
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}
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if (i <= 0) {
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dev_err(&client->dev, "EEPROM busy wait timeout.\n");
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dev_err(dev, "EEPROM busy wait timeout.\n");
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return -ETIMEDOUT;
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}
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return ret;
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}
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static int rv3029_eeprom_exit(struct i2c_client *client)
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static int rv3029_eeprom_exit(struct device *dev)
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{
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/* Re-enable eeprom refresh */
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return rv3029_update_bits(client, RV3029_ONOFF_CTRL,
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return rv3029_update_bits(dev, RV3029_ONOFF_CTRL,
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RV3029_ONOFF_CTRL_EERE,
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RV3029_ONOFF_CTRL_EERE);
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}
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static int rv3029_eeprom_enter(struct i2c_client *client)
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static int rv3029_eeprom_enter(struct device *dev)
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{
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int ret;
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u8 sr;
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/* Check whether we are in the allowed voltage range. */
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ret = rv3029_get_sr(client, &sr);
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ret = rv3029_get_sr(dev, &sr);
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if (ret < 0)
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return ret;
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if (sr & (RV3029_STATUS_VLOW1 | RV3029_STATUS_VLOW2)) {
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@ -228,119 +231,118 @@ static int rv3029_eeprom_enter(struct i2c_client *client)
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*/
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sr &= ~RV3029_STATUS_VLOW1;
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sr &= ~RV3029_STATUS_VLOW2;
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ret = rv3029_set_sr(client, sr);
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ret = rv3029_set_sr(dev, sr);
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if (ret < 0)
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return ret;
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usleep_range(1000, 10000);
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ret = rv3029_get_sr(client, &sr);
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ret = rv3029_get_sr(dev, &sr);
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if (ret < 0)
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return ret;
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if (sr & (RV3029_STATUS_VLOW1 | RV3029_STATUS_VLOW2)) {
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dev_err(&client->dev,
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dev_err(dev,
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"Supply voltage is too low to safely access the EEPROM.\n");
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return -ENODEV;
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}
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}
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/* Disable eeprom refresh. */
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ret = rv3029_update_bits(client, RV3029_ONOFF_CTRL,
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RV3029_ONOFF_CTRL_EERE, 0);
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ret = rv3029_update_bits(dev, RV3029_ONOFF_CTRL, RV3029_ONOFF_CTRL_EERE,
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0);
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if (ret < 0)
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return ret;
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/* Wait for any previous eeprom accesses to finish. */
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ret = rv3029_eeprom_busywait(client);
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ret = rv3029_eeprom_busywait(dev);
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if (ret < 0)
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rv3029_eeprom_exit(client);
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rv3029_eeprom_exit(dev);
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return ret;
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}
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static int rv3029_eeprom_read(struct i2c_client *client, u8 reg,
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static int rv3029_eeprom_read(struct device *dev, u8 reg,
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u8 buf[], size_t len)
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{
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int ret, err;
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err = rv3029_eeprom_enter(client);
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err = rv3029_eeprom_enter(dev);
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if (err < 0)
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return err;
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ret = rv3029_read_regs(client, reg, buf, len);
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ret = rv3029_read_regs(dev, reg, buf, len);
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err = rv3029_eeprom_exit(client);
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err = rv3029_eeprom_exit(dev);
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if (err < 0)
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return err;
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return ret;
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}
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static int rv3029_eeprom_write(struct i2c_client *client, u8 reg,
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static int rv3029_eeprom_write(struct device *dev, u8 reg,
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u8 const buf[], size_t len)
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{
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int ret, err;
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size_t i;
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u8 tmp;
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err = rv3029_eeprom_enter(client);
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err = rv3029_eeprom_enter(dev);
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if (err < 0)
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return err;
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for (i = 0; i < len; i++, reg++) {
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ret = rv3029_read_regs(client, reg, &tmp, 1);
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ret = rv3029_read_regs(dev, reg, &tmp, 1);
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if (ret < 0)
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break;
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if (tmp != buf[i]) {
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ret = rv3029_write_regs(client, reg, &buf[i], 1);
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ret = rv3029_write_regs(dev, reg, &buf[i], 1);
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if (ret < 0)
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break;
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}
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ret = rv3029_eeprom_busywait(client);
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ret = rv3029_eeprom_busywait(dev);
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if (ret < 0)
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break;
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}
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err = rv3029_eeprom_exit(client);
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err = rv3029_eeprom_exit(dev);
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if (err < 0)
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return err;
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return ret;
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}
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static int rv3029_eeprom_update_bits(struct i2c_client *client,
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static int rv3029_eeprom_update_bits(struct device *dev,
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u8 reg, u8 mask, u8 set)
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{
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u8 buf;
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int ret;
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ret = rv3029_eeprom_read(client, reg, &buf, 1);
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ret = rv3029_eeprom_read(dev, reg, &buf, 1);
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if (ret < 0)
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return ret;
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buf &= ~mask;
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buf |= set & mask;
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ret = rv3029_eeprom_write(client, reg, &buf, 1);
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ret = rv3029_eeprom_write(dev, reg, &buf, 1);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int rv3029_read_time(struct i2c_client *client, struct rtc_time *tm)
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static int rv3029_read_time(struct device *dev, struct rtc_time *tm)
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{
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u8 buf[1];
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int ret;
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u8 regs[RV3029_WATCH_SECTION_LEN] = { 0, };
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ret = rv3029_get_sr(client, buf);
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ret = rv3029_get_sr(dev, buf);
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if (ret < 0) {
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dev_err(&client->dev, "%s: reading SR failed\n", __func__);
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dev_err(dev, "%s: reading SR failed\n", __func__);
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return -EIO;
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}
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ret = rv3029_read_regs(client, RV3029_W_SEC, regs,
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ret = rv3029_read_regs(dev, RV3029_W_SEC, regs,
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RV3029_WATCH_SECTION_LEN);
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if (ret < 0) {
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dev_err(&client->dev, "%s: reading RTC section failed\n",
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__func__);
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dev_err(dev, "%s: reading RTC section failed\n", __func__);
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return ret;
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}
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@ -368,30 +370,23 @@ static int rv3029_read_time(struct i2c_client *client, struct rtc_time *tm)
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return 0;
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}
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static int rv3029_rtc_read_time(struct device *dev, struct rtc_time *tm)
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static int rv3029_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
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{
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return rv3029_read_time(to_i2c_client(dev), tm);
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}
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static int rv3029_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct rtc_time *const tm = &alarm->time;
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int ret;
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u8 regs[8];
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ret = rv3029_get_sr(client, regs);
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ret = rv3029_get_sr(dev, regs);
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if (ret < 0) {
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dev_err(&client->dev, "%s: reading SR failed\n", __func__);
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dev_err(dev, "%s: reading SR failed\n", __func__);
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return -EIO;
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}
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ret = rv3029_read_regs(client, RV3029_A_SC, regs,
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ret = rv3029_read_regs(dev, RV3029_A_SC, regs,
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RV3029_ALARM_SECTION_LEN);
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if (ret < 0) {
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dev_err(&client->dev, "%s: reading alarm section failed\n",
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__func__);
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dev_err(dev, "%s: reading alarm section failed\n", __func__);
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return ret;
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}
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@ -406,25 +401,23 @@ static int rv3029_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
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return 0;
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}
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static int rv3029_rtc_alarm_set_irq(struct i2c_client *client, int enable)
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static int rv3029_rtc_alarm_set_irq(struct device *dev, int enable)
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{
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int ret;
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/* enable/disable AIE irq */
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ret = rv3029_update_bits(client, RV3029_IRQ_CTRL,
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RV3029_IRQ_CTRL_AIE,
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ret = rv3029_update_bits(dev, RV3029_IRQ_CTRL, RV3029_IRQ_CTRL_AIE,
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(enable ? RV3029_IRQ_CTRL_AIE : 0));
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if (ret < 0) {
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dev_err(&client->dev, "can't update INT reg\n");
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dev_err(dev, "can't update INT reg\n");
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return ret;
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}
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return 0;
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}
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static int rv3029_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
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static int rv3029_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct rtc_time *const tm = &alarm->time;
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int ret;
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u8 regs[8];
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@ -437,9 +430,9 @@ static int rv3029_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
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if (tm->tm_year < 100)
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return -EINVAL;
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ret = rv3029_get_sr(client, regs);
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ret = rv3029_get_sr(dev, regs);
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if (ret < 0) {
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dev_err(&client->dev, "%s: reading SR failed\n", __func__);
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dev_err(dev, "%s: reading SR failed\n", __func__);
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return -EIO;
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}
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regs[RV3029_A_SC-RV3029_A_SC] = bin2bcd(tm->tm_sec & 0x7f);
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@ -450,38 +443,38 @@ static int rv3029_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
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regs[RV3029_A_DW-RV3029_A_SC] = bin2bcd((tm->tm_wday & 7) - 1);
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regs[RV3029_A_YR-RV3029_A_SC] = bin2bcd((tm->tm_year & 0x7f) - 100);
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ret = rv3029_write_regs(client, RV3029_A_SC, regs,
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ret = rv3029_write_regs(dev, RV3029_A_SC, regs,
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RV3029_ALARM_SECTION_LEN);
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if (ret < 0)
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return ret;
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if (alarm->enabled) {
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/* clear AF flag */
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ret = rv3029_update_bits(client, RV3029_IRQ_FLAGS,
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ret = rv3029_update_bits(dev, RV3029_IRQ_FLAGS,
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RV3029_IRQ_FLAGS_AF, 0);
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if (ret < 0) {
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dev_err(&client->dev, "can't clear alarm flag\n");
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dev_err(dev, "can't clear alarm flag\n");
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return ret;
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}
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/* enable AIE irq */
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ret = rv3029_rtc_alarm_set_irq(client, 1);
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ret = rv3029_rtc_alarm_set_irq(dev, 1);
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if (ret)
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return ret;
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dev_dbg(&client->dev, "alarm IRQ armed\n");
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dev_dbg(dev, "alarm IRQ armed\n");
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} else {
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/* disable AIE irq */
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ret = rv3029_rtc_alarm_set_irq(client, 0);
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ret = rv3029_rtc_alarm_set_irq(dev, 0);
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if (ret)
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return ret;
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dev_dbg(&client->dev, "alarm IRQ disabled\n");
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dev_dbg(dev, "alarm IRQ disabled\n");
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}
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return 0;
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}
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static int rv3029_set_time(struct i2c_client *client, struct rtc_time const *tm)
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static int rv3029_set_time(struct device *dev, struct rtc_time *tm)
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{
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u8 regs[8];
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int ret;
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@ -502,31 +495,25 @@ static int rv3029_set_time(struct i2c_client *client, struct rtc_time const *tm)
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regs[RV3029_W_DAYS-RV3029_W_SEC] = bin2bcd((tm->tm_wday & 7)+1);
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regs[RV3029_W_YEARS-RV3029_W_SEC] = bin2bcd(tm->tm_year - 100);
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|
||||
ret = rv3029_write_regs(client, RV3029_W_SEC, regs,
|
||||
ret = rv3029_write_regs(dev, RV3029_W_SEC, regs,
|
||||
RV3029_WATCH_SECTION_LEN);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
ret = rv3029_get_sr(client, regs);
|
||||
ret = rv3029_get_sr(dev, regs);
|
||||
if (ret < 0) {
|
||||
dev_err(&client->dev, "%s: reading SR failed\n", __func__);
|
||||
dev_err(dev, "%s: reading SR failed\n", __func__);
|
||||
return ret;
|
||||
}
|
||||
/* clear PON bit */
|
||||
ret = rv3029_set_sr(client, (regs[0] & ~RV3029_STATUS_PON));
|
||||
ret = rv3029_set_sr(dev, (regs[0] & ~RV3029_STATUS_PON));
|
||||
if (ret < 0) {
|
||||
dev_err(&client->dev, "%s: reading SR failed\n", __func__);
|
||||
dev_err(dev, "%s: reading SR failed\n", __func__);
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int rv3029_rtc_set_time(struct device *dev, struct rtc_time *tm)
|
||||
{
|
||||
return rv3029_set_time(to_i2c_client(dev), tm);
|
||||
}
|
||||
|
||||
static const struct rv3029_trickle_tab_elem {
|
||||
u32 r; /* resistance in ohms */
|
||||
u8 conf; /* trickle config bits */
|
||||
|
|
@ -584,9 +571,9 @@ static const struct rv3029_trickle_tab_elem {
|
|||
},
|
||||
};
|
||||
|
||||
static void rv3029_trickle_config(struct i2c_client *client)
|
||||
static void rv3029_trickle_config(struct device *dev)
|
||||
{
|
||||
struct device_node *of_node = client->dev.of_node;
|
||||
struct device_node *of_node = dev->of_node;
|
||||
const struct rv3029_trickle_tab_elem *elem;
|
||||
int i, err;
|
||||
u32 ohms;
|
||||
|
|
@ -608,27 +595,26 @@ static void rv3029_trickle_config(struct i2c_client *client)
|
|||
break;
|
||||
}
|
||||
trickle_set_bits = elem->conf;
|
||||
dev_info(&client->dev,
|
||||
dev_info(dev,
|
||||
"Trickle charger enabled at %d ohms resistance.\n",
|
||||
elem->r);
|
||||
}
|
||||
err = rv3029_eeprom_update_bits(client, RV3029_CONTROL_E2P_EECTRL,
|
||||
err = rv3029_eeprom_update_bits(dev, RV3029_CONTROL_E2P_EECTRL,
|
||||
RV3029_TRICKLE_MASK,
|
||||
trickle_set_bits);
|
||||
if (err < 0) {
|
||||
dev_err(&client->dev,
|
||||
"Failed to update trickle charger config\n");
|
||||
dev_err(dev, "Failed to update trickle charger config\n");
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef CONFIG_RTC_DRV_RV3029_HWMON
|
||||
|
||||
static int rv3029_read_temp(struct i2c_client *client, int *temp_mC)
|
||||
static int rv3029_read_temp(struct device *dev, int *temp_mC)
|
||||
{
|
||||
int ret;
|
||||
u8 temp;
|
||||
|
||||
ret = rv3029_read_regs(client, RV3029_TEMP_PAGE, &temp, 1);
|
||||
ret = rv3029_read_regs(dev, RV3029_TEMP_PAGE, &temp, 1);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
|
|
@ -641,10 +627,9 @@ static ssize_t rv3029_hwmon_show_temp(struct device *dev,
|
|||
struct device_attribute *attr,
|
||||
char *buf)
|
||||
{
|
||||
struct i2c_client *client = dev_get_drvdata(dev);
|
||||
int ret, temp_mC;
|
||||
|
||||
ret = rv3029_read_temp(client, &temp_mC);
|
||||
ret = rv3029_read_temp(dev, &temp_mC);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
|
|
@ -656,7 +641,6 @@ static ssize_t rv3029_hwmon_set_update_interval(struct device *dev,
|
|||
const char *buf,
|
||||
size_t count)
|
||||
{
|
||||
struct i2c_client *client = dev_get_drvdata(dev);
|
||||
unsigned long interval_ms;
|
||||
int ret;
|
||||
u8 th_set_bits = 0;
|
||||
|
|
@ -670,7 +654,7 @@ static ssize_t rv3029_hwmon_set_update_interval(struct device *dev,
|
|||
if (interval_ms >= 16000)
|
||||
th_set_bits |= RV3029_EECTRL_THP;
|
||||
}
|
||||
ret = rv3029_eeprom_update_bits(client, RV3029_CONTROL_E2P_EECTRL,
|
||||
ret = rv3029_eeprom_update_bits(dev, RV3029_CONTROL_E2P_EECTRL,
|
||||
RV3029_EECTRL_THE | RV3029_EECTRL_THP,
|
||||
th_set_bits);
|
||||
if (ret < 0)
|
||||
|
|
@ -683,11 +667,10 @@ static ssize_t rv3029_hwmon_show_update_interval(struct device *dev,
|
|||
struct device_attribute *attr,
|
||||
char *buf)
|
||||
{
|
||||
struct i2c_client *client = dev_get_drvdata(dev);
|
||||
int ret, interval_ms;
|
||||
u8 eectrl;
|
||||
|
||||
ret = rv3029_eeprom_read(client, RV3029_CONTROL_E2P_EECTRL,
|
||||
ret = rv3029_eeprom_read(dev, RV3029_CONTROL_E2P_EECTRL,
|
||||
&eectrl, 1);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
|
@ -717,32 +700,32 @@ static struct attribute *rv3029_hwmon_attrs[] = {
|
|||
};
|
||||
ATTRIBUTE_GROUPS(rv3029_hwmon);
|
||||
|
||||
static void rv3029_hwmon_register(struct i2c_client *client)
|
||||
static void rv3029_hwmon_register(struct device *dev, const char *name)
|
||||
{
|
||||
struct rv3029_data *rv3029 = dev_get_drvdata(dev);
|
||||
struct device *hwmon_dev;
|
||||
|
||||
hwmon_dev = devm_hwmon_device_register_with_groups(
|
||||
&client->dev, client->name, client, rv3029_hwmon_groups);
|
||||
hwmon_dev = devm_hwmon_device_register_with_groups(dev, name, rv3029,
|
||||
rv3029_hwmon_groups);
|
||||
if (IS_ERR(hwmon_dev)) {
|
||||
dev_warn(&client->dev,
|
||||
"unable to register hwmon device %ld\n",
|
||||
dev_warn(dev, "unable to register hwmon device %ld\n",
|
||||
PTR_ERR(hwmon_dev));
|
||||
}
|
||||
}
|
||||
|
||||
#else /* CONFIG_RTC_DRV_RV3029_HWMON */
|
||||
|
||||
static void rv3029_hwmon_register(struct i2c_client *client)
|
||||
static void rv3029_hwmon_register(struct device *dev, const char *name)
|
||||
{
|
||||
}
|
||||
|
||||
#endif /* CONFIG_RTC_DRV_RV3029_HWMON */
|
||||
|
||||
static const struct rtc_class_ops rv3029_rtc_ops = {
|
||||
.read_time = rv3029_rtc_read_time,
|
||||
.set_time = rv3029_rtc_set_time,
|
||||
.read_alarm = rv3029_rtc_read_alarm,
|
||||
.set_alarm = rv3029_rtc_set_alarm,
|
||||
.read_time = rv3029_read_time,
|
||||
.set_time = rv3029_set_time,
|
||||
.read_alarm = rv3029_read_alarm,
|
||||
.set_alarm = rv3029_set_alarm,
|
||||
};
|
||||
|
||||
static struct i2c_device_id rv3029_id[] = {
|
||||
|
|
@ -752,41 +735,67 @@ static struct i2c_device_id rv3029_id[] = {
|
|||
};
|
||||
MODULE_DEVICE_TABLE(i2c, rv3029_id);
|
||||
|
||||
static int rv3029_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
static int rv3029_probe(struct device *dev, struct regmap *regmap, int irq,
|
||||
const char *name)
|
||||
{
|
||||
struct rtc_device *rtc;
|
||||
struct rv3029_data *rv3029;
|
||||
int rc = 0;
|
||||
u8 buf[1];
|
||||
|
||||
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_EMUL))
|
||||
return -ENODEV;
|
||||
rv3029 = devm_kzalloc(dev, sizeof(*rv3029), GFP_KERNEL);
|
||||
if (!rv3029)
|
||||
return -ENOMEM;
|
||||
|
||||
rc = rv3029_get_sr(client, buf);
|
||||
rv3029->regmap = regmap;
|
||||
rv3029->irq = irq;
|
||||
rv3029->dev = dev;
|
||||
dev_set_drvdata(dev, rv3029);
|
||||
|
||||
rc = rv3029_get_sr(dev, buf);
|
||||
if (rc < 0) {
|
||||
dev_err(&client->dev, "reading status failed\n");
|
||||
dev_err(dev, "reading status failed\n");
|
||||
return rc;
|
||||
}
|
||||
|
||||
rv3029_trickle_config(client);
|
||||
rv3029_hwmon_register(client);
|
||||
rv3029_trickle_config(dev);
|
||||
rv3029_hwmon_register(dev, name);
|
||||
|
||||
rtc = devm_rtc_device_register(&client->dev, client->name,
|
||||
&rv3029_rtc_ops, THIS_MODULE);
|
||||
rv3029->rtc = devm_rtc_device_register(dev, name, &rv3029_rtc_ops,
|
||||
THIS_MODULE);
|
||||
|
||||
if (IS_ERR(rtc))
|
||||
return PTR_ERR(rtc);
|
||||
return PTR_ERR_OR_ZERO(rv3029->rtc);
|
||||
}
|
||||
|
||||
i2c_set_clientdata(client, rtc);
|
||||
static int rv3029_i2c_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
struct regmap *regmap;
|
||||
static const struct regmap_config config = {
|
||||
.reg_bits = 8,
|
||||
.val_bits = 8,
|
||||
};
|
||||
|
||||
return 0;
|
||||
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_I2C_BLOCK |
|
||||
I2C_FUNC_SMBUS_BYTE)) {
|
||||
dev_err(&client->dev, "Adapter does not support SMBUS_I2C_BLOCK or SMBUS_I2C_BYTE\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
regmap = devm_regmap_init_i2c(client, &config);
|
||||
if (IS_ERR(regmap)) {
|
||||
dev_err(&client->dev, "%s: regmap allocation failed: %ld\n",
|
||||
__func__, PTR_ERR(regmap));
|
||||
return PTR_ERR(regmap);
|
||||
}
|
||||
|
||||
return rv3029_probe(&client->dev, regmap, client->irq, client->name);
|
||||
}
|
||||
|
||||
static struct i2c_driver rv3029_driver = {
|
||||
.driver = {
|
||||
.name = "rtc-rv3029c2",
|
||||
},
|
||||
.probe = rv3029_probe,
|
||||
.probe = rv3029_i2c_probe,
|
||||
.id_table = rv3029_id,
|
||||
};
|
||||
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче