From: Pascal Paillet <p.paillet@st.com>
To: <lgirdwood@gmail.com>, <broonie@kernel.org>,
<linux-kernel@vger.kernel.org>
Cc: <p.paillet@st.com>, <linux-stm32@st-md-mailman.stormreply.com>
Subject: [PATCH] regulator: stpmic1: Set a default ramp delay value
Date: Wed, 13 Nov 2019 17:15:29 +0100 [thread overview]
Message-ID: <20191113161529.27739-1-p.paillet@st.com> (raw)
Set a default ramp delay value to the regulators with the worst
case value.
Signed-off-by: pascal paillet <p.paillet@st.com>
---
drivers/regulator/stpmic1_regulator.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/regulator/stpmic1_regulator.c b/drivers/regulator/stpmic1_regulator.c
index f09061473613..f3d7d007ecbb 100644
--- a/drivers/regulator/stpmic1_regulator.c
+++ b/drivers/regulator/stpmic1_regulator.c
@@ -54,6 +54,8 @@ enum {
/* Enable time worst case is 5000mV/(2250uV/uS) */
#define PMIC_ENABLE_TIME_US 2200
+/* Ramp delay worst case is (2250uV/uS) */
+#define PMIC_RAMP_DELAY 2200
static const struct regulator_linear_range buck1_ranges[] = {
REGULATOR_LINEAR_RANGE(725000, 0, 4, 0),
@@ -208,6 +210,7 @@ static const struct regulator_ops stpmic1_switch_regul_ops = {
.enable_val = 1, \
.disable_val = 0, \
.enable_time = PMIC_ENABLE_TIME_US, \
+ .ramp_delay = PMIC_RAMP_DELAY, \
.supply_name = #base, \
}
@@ -227,6 +230,7 @@ static const struct regulator_ops stpmic1_switch_regul_ops = {
.enable_val = 1, \
.disable_val = 0, \
.enable_time = PMIC_ENABLE_TIME_US, \
+ .ramp_delay = PMIC_RAMP_DELAY, \
.bypass_reg = LDO3_ACTIVE_CR, \
.bypass_mask = LDO_BYPASS_MASK, \
.bypass_val_on = LDO_BYPASS_MASK, \
@@ -248,6 +252,7 @@ static const struct regulator_ops stpmic1_switch_regul_ops = {
.enable_val = 1, \
.disable_val = 0, \
.enable_time = PMIC_ENABLE_TIME_US, \
+ .ramp_delay = PMIC_RAMP_DELAY, \
.supply_name = #base, \
}
@@ -267,6 +272,7 @@ static const struct regulator_ops stpmic1_switch_regul_ops = {
.enable_val = 1, \
.disable_val = 0, \
.enable_time = PMIC_ENABLE_TIME_US, \
+ .ramp_delay = PMIC_RAMP_DELAY, \
.of_map_mode = stpmic1_map_mode, \
.pull_down_reg = ids##_PULL_DOWN_REG, \
.pull_down_mask = ids##_PULL_DOWN_MASK, \
--
2.17.1
next reply other threads:[~2019-11-13 16:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-13 16:15 Pascal Paillet [this message]
2019-11-15 12:25 ` Applied "regulator: stpmic1: Set a default ramp delay value" to the regulator tree Mark Brown
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20191113161529.27739-1-p.paillet@st.com \
--to=p.paillet@st.com \
--cc=broonie@kernel.org \
--cc=lgirdwood@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-stm32@st-md-mailman.stormreply.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).