Commit 5c6f0f45 authored by Andrej Picej's avatar Andrej Picej Committed by Lee Jones
Browse files

mfd: da9062: Support SMBus and I2C mode 



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

Signed-off-by: default avatarAndrej Picej <andrej.picej@norik.com>
Reviewed-by: default avatarAdam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211124065119.2514872-1-andrej.picej@norik.com
parent 9651cf2c

drivers/mfd/da9062-core.c

+12 −0
Original line number Diff line number Diff line
@@ -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");