diff options
| author |   Felix Riemann <felix.riemann@sma.de> | 2019-06-20 08:45:00 +0100 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2019-06-20 13:07:19 +0100 |
| commit | fd5d10059d5ead12dd12f05ae6d96e70d1fac3df (patch) | |
| tree | e03685e4c38b34d36ed806aada145eb4dc4ef394 /include/linux/mfd | |
| parent | regulator: qcom_spmi: add PMS405 SPMI regulator (diff) | |
| download | linux-dev-fd5d10059d5ead12dd12f05ae6d96e70d1fac3df.tar.xz linux-dev-fd5d10059d5ead12dd12f05ae6d96e70d1fac3df.zip | |
regulator: da9061/62: Adjust LDO voltage selection minimum value
According to the DA9061 and DA9062 datasheets the LDO voltage selection
registers have a lower value of 0x02. This applies to voltage registers
VLDO1_A, VLDO2_A, VLDO3_A and VLDO4_A. This linear offset of 0x02 was
previously not observed by the driver, causing the LDO output voltage to
be systematically lower by two steps (= 0.1V).
This patch fixes the minimum linear selector offset by setting it to a
value of 2 and increases the n_voltages by the same amount allowing
voltages in the range 0x02 -> 0.9V to 0x38 -> 3.6V to be correctly
selected. Also fixes an incorrect calculaton for the n_voltages value in
the regulator LDO2.
These fixes effect all LDO regulators for DA9061 and DA9062.
Acked-by: Steve Twiss <stwiss.opensource@diasemi.com>
Tested-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Felix Riemann <felix.riemann@sma.de>
Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/linux/mfd')
| -rw-r--r-- | include/linux/mfd/da9062/registers.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mfd/da9062/registers.h b/include/linux/mfd/da9062/registers.h index fe04b708742b..2906bf6160fb 100644 --- a/include/linux/mfd/da9062/registers.h +++ b/include/linux/mfd/da9062/registers.h @@ -797,6 +797,9 @@ #define DA9062AA_BUCK3_SL_A_SHIFT 7 #define DA9062AA_BUCK3_SL_A_MASK BIT(7) +/* DA9062AA_VLDO[1-4]_A common */ +#define DA9062AA_VLDO_A_MIN_SEL 2 + /* DA9062AA_VLDO1_A = 0x0A9 */ #define DA9062AA_VLDO1_A_SHIFT 0 #define DA9062AA_VLDO1_A_MASK 0x3f |