linux-kernel - [PATCH] regulator: axp20x: AXP717: set ramp

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Message-ID: <20241206123751.981977-1-simons.philippe@gmail.com>
Date: Fri,  6 Dec 2024 13:37:51 +0100
From: Philippe Simons <simons.philippe@...il.com>
To: Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Chen-Yu Tsai <wens@...e.org>,
	linux-kernel@...r.kernel.org (open list:VOLTAGE AND CURRENT REGULATOR FRAMEWORK)
Cc: Philippe Simons <simons.philippe@...il.com>
Subject: [PATCH] regulator: axp20x: AXP717: set ramp_delay

AXP717 datasheet says that regulator ramp delay is 15.625 us/step,
which is 10mV in our case.

Add a AXP_DESC_RANGES_DELAY macro and update AXP_DESC_RANGES macro to
expand to AXP_DESC_RANGES_DELAY with ramp_delay = 0

Signed-off-by: Philippe Simons <simons.philippe@...il.com>
---
 drivers/regulator/axp20x-regulator.c | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index a8e91d9d0..8f035db13 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -419,8 +419,8 @@
 		.ops		= &axp20x_ops_fixed				\
 	}
 
-#define AXP_DESC_RANGES(_family, _id, _match, _supply, _ranges, _n_voltages,	\
-			_vreg, _vmask, _ereg, _emask)				\
+#define AXP_DESC_RANGES_DELAY(_family, _id, _match, _supply, _ranges, _n_voltages,	\
+			_vreg, _vmask, _ereg, _emask, _ramp_delay)	\
 	[_family##_##_id] = {							\
 		.name		= (_match),					\
 		.supply_name	= (_supply),					\
@@ -437,8 +437,15 @@
 		.linear_ranges	= (_ranges),					\
 		.n_linear_ranges = ARRAY_SIZE(_ranges),				\
 		.ops		= &axp20x_ops_range,				\
+		.ramp_delay = (_ramp_delay),			\
 	}
 
+#define AXP_DESC_RANGES(_family, _id, _match, _supply, _ranges, _n_voltages,	\
+			_vreg, _vmask, _ereg, _emask)				\
+	AXP_DESC_RANGES_DELAY(_family, _id, _match, _supply, _ranges, _n_voltages,	\
+		_vreg, _vmask, _ereg, _emask, 0)
+
+
 static const int axp209_dcdc2_ldo3_slew_rates[] = {
 	1600,
 	 800,
@@ -781,18 +788,18 @@ static const struct linear_range axp717_dcdc3_ranges[] = {
 };
 
 static const struct regulator_desc axp717_regulators[] = {
-	AXP_DESC_RANGES(AXP717, DCDC1, "dcdc1", "vin1",
+	AXP_DESC_RANGES_DELAY(AXP717, DCDC1, "dcdc1", "vin1",
 			axp717_dcdc1_ranges, AXP717_DCDC1_NUM_VOLTAGES,
 			AXP717_DCDC1_CONTROL, AXP717_DCDC_V_OUT_MASK,
-			AXP717_DCDC_OUTPUT_CONTROL, BIT(0)),
-	AXP_DESC_RANGES(AXP717, DCDC2, "dcdc2", "vin2",
+			AXP717_DCDC_OUTPUT_CONTROL, BIT(0), 640),
+	AXP_DESC_RANGES_DELAY(AXP717, DCDC2, "dcdc2", "vin2",
 			axp717_dcdc2_ranges, AXP717_DCDC2_NUM_VOLTAGES,
 			AXP717_DCDC2_CONTROL, AXP717_DCDC_V_OUT_MASK,
-			AXP717_DCDC_OUTPUT_CONTROL, BIT(1)),
-	AXP_DESC_RANGES(AXP717, DCDC3, "dcdc3", "vin3",
+			AXP717_DCDC_OUTPUT_CONTROL, BIT(1), 640),
+	AXP_DESC_RANGES_DELAY(AXP717, DCDC3, "dcdc3", "vin3",
 			axp717_dcdc3_ranges, AXP717_DCDC3_NUM_VOLTAGES,
 			AXP717_DCDC3_CONTROL, AXP717_DCDC_V_OUT_MASK,
-			AXP717_DCDC_OUTPUT_CONTROL, BIT(2)),
+			AXP717_DCDC_OUTPUT_CONTROL, BIT(2), 640),
 	AXP_DESC(AXP717, DCDC4, "dcdc4", "vin4", 1000, 3700, 100,
 		 AXP717_DCDC4_CONTROL, AXP717_DCDC_V_OUT_MASK,
 		 AXP717_DCDC_OUTPUT_CONTROL, BIT(3)),
-- 
2.47.1