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regulator: rohm-regulator: Support SNVS HW state.

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The ROHM BD71815 supports setting voltage levels/regulator status
for HW-states "RUN", "SUSPEND", "LPSR" and "SNVS". Add DT parsing
helper also for SNVS state.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Matti Vaittinen 2021-04-05 14:43:44 +03:00 committed by Lee Jones
parent 9cf37cec4b
commit 80a7117064
2 changed files with 11 additions and 1 deletions
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6
drivers/regulator/rohm-regulator.c
View File

@ -95,6 +95,12 @@ int rohm_regulator_set_dvs_levels(const struct rohm_dvs_config *dvs,
mask = dvs->lpsr_mask; mask = dvs->lpsr_mask;
omask = dvs->lpsr_on_mask; omask = dvs->lpsr_on_mask;
break; break;
case ROHM_DVS_LEVEL_SNVS:
prop = "rohm,dvs-snvs-voltage";
reg = dvs->snvs_reg;
mask = dvs->snvs_mask;
omask = dvs->snvs_on_mask;
break;
default: default:
return -EINVAL; return -EINVAL;
} }

6
include/linux/mfd/rohm-generic.h
View File

@ -27,7 +27,8 @@ struct rohm_regmap_dev {
#define ROHM_DVS_LEVEL_IDLE BIT(1) #define ROHM_DVS_LEVEL_IDLE BIT(1)
#define ROHM_DVS_LEVEL_SUSPEND BIT(2) #define ROHM_DVS_LEVEL_SUSPEND BIT(2)
#define ROHM_DVS_LEVEL_LPSR BIT(3) #define ROHM_DVS_LEVEL_LPSR BIT(3)
#define ROHM_DVS_LEVEL_VALID_AMOUNT 4 #define ROHM_DVS_LEVEL_SNVS BIT(4)
#define ROHM_DVS_LEVEL_VALID_AMOUNT 5
#define ROHM_DVS_LEVEL_UNKNOWN 0 #define ROHM_DVS_LEVEL_UNKNOWN 0
/** /**
@ -66,6 +67,9 @@ struct rohm_dvs_config {
unsigned int lpsr_reg; unsigned int lpsr_reg;
unsigned int lpsr_mask; unsigned int lpsr_mask;
unsigned int lpsr_on_mask; unsigned int lpsr_on_mask;
unsigned int snvs_reg;
unsigned int snvs_mask;
unsigned int snvs_on_mask;
}; };
#if IS_ENABLED(CONFIG_REGULATOR_ROHM) #if IS_ENABLED(CONFIG_REGULATOR_ROHM)