[PATCH 5/9] regulator: tps65218: force set power-up/down strobe to 3 for dcdc3
From: Keerthy <j-keerthy@ti.com>
Date: 2016-06-20 08:50:33
Also in:
linux-omap, lkml
Subsystem:
omap2+ support, the rest, voltage and current regulator framework · Maintainers:
Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds, Liam Girdwood, Mark Brown
From: Tero Kristo <redacted> The reset value for this register seems broken on certain versions of tps65218 chip, so make sure the dcdc3 settings is proper. Needed for proper functionality of rtc+ddr / rtc-only modes. Signed-off-by: Tero Kristo <redacted> Signed-off-by: Dave Gerlach <redacted> Signed-off-by: Keerthy <j-keerthy@ti.com> --- drivers/regulator/tps65218-regulator.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/regulator/tps65218-regulator.c b/drivers/regulator/tps65218-regulator.c
index 8eca1eb..d1e631d 100644
--- a/drivers/regulator/tps65218-regulator.c
+++ b/drivers/regulator/tps65218-regulator.c@@ -180,8 +180,12 @@ static int tps65218_pmic_set_suspend_disable(struct regulator_dev *dev) if (rid < TPS65218_DCDC_1 || rid > TPS65218_LDO_1) return -EINVAL; - if (!tps->info[rid]->strobe) - return -EINVAL; + if (!tps->info[rid]->strobe) { + if (rid == TPS65218_DCDC_3) + tps->info[rid]->strobe = 3; + else + return -EINVAL; + } return tps65218_set_bits(tps, dev->desc->bypass_reg, dev->desc->bypass_mask,
--
1.9.1