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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


             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

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