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Subject[PATCH 4/4] regulator: axp20x: AXP717: Add boost regulator
Date
The AXP717 also contains an adjustable boost regulator, to provide the
5V USB VBUS rail when running on battery.

Add the regulator description that states the voltage range this
regulator can cover.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
---
drivers/regulator/axp20x-regulator.c | 4 ++++
include/linux/mfd/axp20x.h | 1 +
2 files changed, 5 insertions(+)

diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index 3907606b091f6..71407c5810941 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -143,6 +143,7 @@
#define AXP717_DCDC3_NUM_VOLTAGES 103
#define AXP717_DCDC_V_OUT_MASK GENMASK(6, 0)
#define AXP717_LDO_V_OUT_MASK GENMASK(4, 0)
+#define AXP717_BOOST_V_OUT_MASK GENMASK(7, 4)

#define AXP803_PWR_OUT_DCDC1_MASK BIT_MASK(0)
#define AXP803_PWR_OUT_DCDC2_MASK BIT_MASK(1)
@@ -829,6 +830,9 @@ static const struct regulator_desc axp717_regulators[] = {
AXP_DESC(AXP717, CPUSLDO, "cpusldo", "vin1", 500, 1400, 50,
AXP717_CPUSLDO_CONTROL, AXP717_LDO_V_OUT_MASK,
AXP717_LDO1_OUTPUT_CONTROL, BIT(4)),
+ AXP_DESC(AXP717, BOOST, "boost", "vin1", 4550, 5510, 64,
+ AXP717_BOOST_CONTROL, AXP717_BOOST_V_OUT_MASK,
+ AXP717_MODULE_EN_CONTROL, BIT(4)),
};

/* DCDC ranges shared with AXP813 */
diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h
index 4dad54fdf67ee..5e86b976c4caa 100644
--- a/include/linux/mfd/axp20x.h
+++ b/include/linux/mfd/axp20x.h
@@ -486,6 +486,7 @@ enum {
AXP717_CLDO3,
AXP717_CLDO4,
AXP717_CPUSLDO,
+ AXP717_BOOST,
AXP717_REG_ID_MAX,
};

--
2.35.8

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