diff options
| author | Andrej Picej <andrej.picej@norik.com> | 2021-11-24 07:51:19 +0100 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2021-11-29 14:17:00 +0100 |
| commit | 5c6f0f456351f5ca7d3b1a82060821eac4a7dc5c (patch) | |
| tree | e8b8bff7c856f84b359303f3e0b1da63ce71c093 /drivers/mfd | |
| parent | mfd: intel-lpss-pci: Fix clock speed for 38a8 UART (diff) | |
| download | linux-5c6f0f456351f5ca7d3b1a82060821eac4a7dc5c.tar.xz linux-5c6f0f456351f5ca7d3b1a82060821eac4a7dc5c.zip | |
mfd: da9062: Support SMBus and I2C mode
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
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/da9062-core.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/mfd/da9062-core.c b/drivers/mfd/da9062-core.c index 01f8e10dfa55..2774b2cbaea6 100644 --- a/drivers/mfd/da9062-core.c +++ b/drivers/mfd/da9062-core.c @@ -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"); |