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| author | Emmanuel Vadot <manu@FreeBSD.org> | 2021-05-16 14:14:47 +0000 |
|---|---|---|
| committer | Emmanuel Vadot <manu@FreeBSD.org> | 2021-05-21 15:37:37 +0000 |
| commit | 182717da888023a8d0d1a66d579b5a5429b8681d (patch) | |
| tree | b6bb65a897bca9a0a7cb08cc4c4a74656be6911b | |
| parent | b0387990a784050ef3a14ea49cb513b5eb737844 (diff) | |
| download | src-182717da888023a8d0d1a66d579b5a5429b8681d.tar.gz src-182717da888023a8d0d1a66d579b5a5429b8681d.zip | |
arm64: allwinner: axp81x: Add support for regnode_status
This method is used to know if a regulator is enabled or not.
Sponsored by: Diablotin Systems
Differential Revision: https://reviews.freebsd.org/D30290
| -rw-r--r-- | sys/arm/allwinner/axp81x.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sys/arm/allwinner/axp81x.c b/sys/arm/allwinner/axp81x.c index 85971a7773c4..df083ec49e32 100644 --- a/sys/arm/allwinner/axp81x.c +++ b/sys/arm/allwinner/axp81x.c @@ -851,6 +851,22 @@ axp8xx_regnode_voltage_to_reg(struct axp8xx_reg_sc *sc, int min_uvolt, } static int +axp8xx_regnode_status(struct regnode *regnode, int *status) +{ + struct axp8xx_reg_sc *sc; + uint8_t val; + + sc = regnode_get_softc(regnode); + + *status = 0; + axp8xx_read(sc->base_dev, sc->def->enable_reg, &val, 1); + if (val & sc->def->enable_mask) + *status = REGULATOR_STATUS_ENABLED; + + return (0); +} + +static int axp8xx_regnode_set_voltage(struct regnode *regnode, int min_uvolt, int max_uvolt, int *udelay) { @@ -899,6 +915,7 @@ static regnode_method_t axp8xx_regnode_methods[] = { /* Regulator interface */ REGNODEMETHOD(regnode_init, axp8xx_regnode_init), REGNODEMETHOD(regnode_enable, axp8xx_regnode_enable), + REGNODEMETHOD(regnode_status, axp8xx_regnode_status), REGNODEMETHOD(regnode_set_voltage, axp8xx_regnode_set_voltage), REGNODEMETHOD(regnode_get_voltage, axp8xx_regnode_get_voltage), REGNODEMETHOD(regnode_check_voltage, regnode_method_check_voltage), |