github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-07 14:04:54 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

regulator: Fix for v6.16

Browse Source 
One patch here from Heiko which fixes stability issues on some Rockchip
 platforms by implementing soft start support and providing startup time
 information for their regulators.
 -----BEGIN PGP SIGNATURE-----
 
 iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmhUnj4ACgkQJNaLcl1U
 h9Cj0wf+OMIwBdsiXOVGTaX7C3WLtllaKOJ004k+TnRTDJvu9LWXXS0uGFgqwCu2
 BPuqERnUxZZfWzAm+3sBRBVAaOkcyWTOOfEP173l8caQxw2dZ98kYc5FnSQom23v
 ckIPFjF65IgDlLYHfXR1e7q3roU4Bdd5uVr6MT/fFqElx7vsYHz2nWeP7fhBTZiT
 G0oORp0ik8EOxgLlWrlSb5FYYJaUXsMpYgIWI/RcMLY1kmgNxf48mMODoyu7sge+
 30lZ4+ZMpKUdljV2Si4vkOI2Xes3KYL+TfCmr9K0ksdsbeOpKAdzwkflv/s9SBSn
 mWH4ihP4I416W9IadF8ooPGdqJ6g3w==
 =G5rO
 -----END PGP SIGNATURE-----

Merge tag 'regulator-fix-v6.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fix from Mark Brown:
 "One patch here from Heiko which fixes stability issues on some
  Rockchip platforms by implementing soft start support and providing
  startup time information for their regulators"

* tag 'regulator-fix-v6.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: fan53555: add enable_time support and soft-start times
This commit is contained in:
Linus Torvalds 2025-06-19 17:40:42 -07:00
commit e0990236bb
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/regulator/fan53555.c
View File

@ -147,6 +147,7 @@ struct fan53555_device_info {
unsigned int slew_mask;
const unsigned int *ramp_delay_table;
unsigned int n_ramp_values;
unsigned int enable_time;
unsigned int slew_rate;
};
@ -282,6 +283,7 @@ static int fan53526_voltages_setup_fairchild(struct fan53555_device_info *di)
di->slew_mask = CTL_SLEW_MASK;
di->ramp_delay_table = slew_rates;
di->n_ramp_values = ARRAY_SIZE(slew_rates);
di->enable_time = 250;
di->vsel_count = FAN53526_NVOLTAGES;
return 0;
@ -296,10 +298,12 @@ static int fan53555_voltages_setup_fairchild(struct fan53555_device_info *di)
case FAN53555_CHIP_REV_00:
di->vsel_min = 600000;
di->vsel_step = 10000;
di->enable_time = 400;
break;
case FAN53555_CHIP_REV_13:
di->vsel_min = 800000;
di->vsel_step = 10000;
di->enable_time = 400;
break;
default:
dev_err(di->dev,
@ -311,13 +315,19 @@ static int fan53555_voltages_setup_fairchild(struct fan53555_device_info *di)
case FAN53555_CHIP_ID_01:
case FAN53555_CHIP_ID_03:
case FAN53555_CHIP_ID_05:
di->vsel_min = 600000;
di->vsel_step = 10000;
di->enable_time = 400;
break;
case FAN53555_CHIP_ID_08:
di->vsel_min = 600000;
di->vsel_step = 10000;
di->enable_time = 175;
break;
case FAN53555_CHIP_ID_04:
di->vsel_min = 603000;
di->vsel_step = 12826;
di->enable_time = 400;
break;
default:
dev_err(di->dev,
@ -350,6 +360,7 @@ static int fan53555_voltages_setup_rockchip(struct fan53555_device_info *di)
di->slew_mask = CTL_SLEW_MASK;
di->ramp_delay_table = slew_rates;
di->n_ramp_values = ARRAY_SIZE(slew_rates);
di->enable_time = 360;
di->vsel_count = FAN53555_NVOLTAGES;
return 0;
@ -372,6 +383,7 @@ static int rk8602_voltages_setup_rockchip(struct fan53555_device_info *di)
di->slew_mask = CTL_SLEW_MASK;
di->ramp_delay_table = slew_rates;
di->n_ramp_values = ARRAY_SIZE(slew_rates);
di->enable_time = 360;
di->vsel_count = RK8602_NVOLTAGES;
return 0;
@ -395,6 +407,7 @@ static int fan53555_voltages_setup_silergy(struct fan53555_device_info *di)
di->slew_mask = CTL_SLEW_MASK;
di->ramp_delay_table = slew_rates;
di->n_ramp_values = ARRAY_SIZE(slew_rates);
di->enable_time = 400;
di->vsel_count = FAN53555_NVOLTAGES;
return 0;
@ -594,6 +607,7 @@ static int fan53555_regulator_register(struct fan53555_device_info *di,
rdesc->ramp_mask = di->slew_mask;
rdesc->ramp_delay_table = di->ramp_delay_table;
rdesc->n_ramp_values = di->n_ramp_values;
rdesc->enable_time = di->enable_time;
rdesc->owner = THIS_MODULE;
rdev = devm_regulator_register(di->dev, &di->desc, config);