korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-22 10:34:55 +08:00
Code Issues Packages Projects Releases Wiki Activity

mfd: da9062: Support SMBus and I2C mode

Browse Source 
Enable the I2C bus mode if I2C_FUNC_I2C is set. Based on da6093 commit:
"586478bfc9f7 mfd: da9063: Support SMBus and I2C mode"

Signed-off-by: Andrej Picej <andrej.picej@norik.com>
Reviewed-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211124065119.2514872-1-andrej.picej@norik.com
This commit is contained in:
Andrej Picej 2021-11-24 07:51:19 +01:00 committed by Lee Jones
parent 9651cf2cb1
commit 5c6f0f4563
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/mfd/da9062-core.c
View File

@ -556,6 +556,7 @@ static const struct regmap_range da9062_aa_writeable_ranges[] = {
regmap_reg_range(DA9062AA_VBUCK3_B, DA9062AA_VBUCK3_B),
regmap_reg_range(DA9062AA_VLDO1_B, DA9062AA_VLDO4_B),
regmap_reg_range(DA9062AA_BBAT_CONT, DA9062AA_BBAT_CONT),
regmap_reg_range(DA9062AA_CONFIG_J, DA9062AA_CONFIG_J),
regmap_reg_range(DA9062AA_GP_ID_0, DA9062AA_GP_ID_19),
};
@ -674,6 +675,17 @@ static int da9062_i2c_probe(struct i2c_client *i2c,
return ret;
}
/* If SMBus is not available and only I2C is possible, enter I2C mode */
if (i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C)) {
dev_info(chip->dev, "Entering I2C mode!\n");
ret = regmap_clear_bits(chip->regmap, DA9062AA_CONFIG_J,
DA9062AA_TWOWIRE_TO_MASK);
if (ret < 0) {
dev_err(chip->dev, "Failed to set Two-Wire Bus Mode.\n");
return ret;
}
}
ret = da9062_clear_fault_log(chip);
if (ret < 0)
dev_warn(chip->dev, "Cannot clear fault log\n");