diff options
| author | Yann Gautier <yann.gautier@st.com> | 2022-01-18 15:49:42 +0100 |
|---|---|---|
| committer | Yann Gautier <yann.gautier@st.com> | 2022-03-22 09:09:23 +0100 |
| commit | 5278ec3faf2010fd6aea1d8cd4294dd229c5c21d (patch) | |
| tree | 9e1ba03e1e480a86b19acba9b1455eb9ab0a76be /drivers/st | |
| parent | 1c37d0c1d378769249c797de5b13d73cf6f17a53 (diff) | |
| download | arm-trusted-firmware-5278ec3faf2010fd6aea1d8cd4294dd229c5c21d.tar.gz | |
feat(st-pmic): add pmic_voltages_init() function
This new function pmic_voltages_init() is used to set the minimum value
for STM32MP13 VDDCPU and VDDCORE regulators. This value is retrieved
from device tree.
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Change-Id: Ibbe237cb5dccc1fddf92e07ffd3955048ff82075
Diffstat (limited to 'drivers/st')
| -rw-r--r-- | drivers/st/pmic/stm32mp_pmic.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/st/pmic/stm32mp_pmic.c b/drivers/st/pmic/stm32mp_pmic.c index a1031fdd3..5b4376041 100644 --- a/drivers/st/pmic/stm32mp_pmic.c +++ b/drivers/st/pmic/stm32mp_pmic.c @@ -329,6 +329,36 @@ int pmic_ddr_power_init(enum ddr_type ddr_type) return 0; } +int pmic_voltages_init(void) +{ +#if STM32MP13 + struct rdev *buck1, *buck4; + int status; + + buck1 = regulator_get_by_name("buck1"); + if (buck1 == NULL) { + return -ENOENT; + } + + buck4 = regulator_get_by_name("buck4"); + if (buck4 == NULL) { + return -ENOENT; + } + + status = regulator_set_min_voltage(buck1); + if (status != 0) { + return status; + } + + status = regulator_set_min_voltage(buck4); + if (status != 0) { + return status; + } +#endif + + return 0; +} + enum { STPMIC1_BUCK1 = 0, STPMIC1_BUCK2, |