Commit 80a71170 authored by Matti Vaittinen's avatar Matti Vaittinen Committed by Lee Jones
Browse files

regulator: rohm-regulator: Support SNVS HW state. 



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: default avatarMatti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Acked-by: default avatarMark Brown <broonie@kernel.org>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 9cf37cec

drivers/regulator/rohm-regulator.c

+6 −0
Original line number Diff line number Diff line
@@ -95,6 +95,12 @@ int rohm_regulator_set_dvs_levels(const struct rohm_dvs_config *dvs, 
				mask = dvs->lpsr_mask;

				omask = dvs->lpsr_on_mask;

				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:

				return -EINVAL;

			}

include/linux/mfd/rohm-generic.h

+5 −1
Original line number Diff line number Diff line
@@ -27,7 +27,8 @@ struct rohm_regmap_dev { 
#define ROHM_DVS_LEVEL_IDLE		BIT(1)

#define ROHM_DVS_LEVEL_SUSPEND		BIT(2)

#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



/**
@@ -66,6 +67,9 @@ struct rohm_dvs_config { 
	unsigned int lpsr_reg;

	unsigned int lpsr_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)