power: regulator: add AXP717 support

The X-Powers AXP717 is a PMIC with four buck converters and a number
of LDOs, one of which is actually fixed (so not modelled here).

Add the compatible string and the respective regulator ranges to allow
drivers to adjust voltages.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Ryan Walklin <ryan@testtoast.com>

diff --git a/drivers/power/pmic/axp.c b/drivers/power/pmic/axp.c
index 0e1e45fba74abe522634d1188db0ecbc384b88fa..521a39dd5664b4a06e11dbb2afaf1824bf1aa431 100644 (file)
--- a/drivers/power/pmic/axp.c
+++ b/drivers/power/pmic/axp.c
@@ -88,6 +88,7 @@ static const struct udevice_id axp_pmic_ids[] = {
        { .compatible = "x-powers,axp221", .data = AXP221_ID },
        { .compatible = "x-powers,axp223", .data = AXP223_ID },
        { .compatible = "x-powers,axp313a", .data = AXP313_ID },
+       { .compatible = "x-powers,axp717", .data = AXP717_ID },
        { .compatible = "x-powers,axp803", .data = AXP803_ID },
        { .compatible = "x-powers,axp806", .data = AXP806_ID },
        { .compatible = "x-powers,axp809", .data = AXP809_ID },

diff --git a/drivers/power/regulator/axp_regulator.c b/drivers/power/regulator/axp_regulator.c
index d27e09538e041fda3020d02f73441055bec66c51..75cdbca30f621166b9d31791b4ab0c0642796e30 100644 (file)
--- a/drivers/power/regulator/axp_regulator.c
+++ b/drivers/power/regulator/axp_regulator.c
@@ -189,6 +189,33 @@ static const struct axp_regulator_plat axp313_regulators[] = {
        { }
 };
 
+/*
+ * The "dcdc2" regulator has another range, beyond 1.54V up to 3.4V, in
+ * steps of 100mV. We cannot model this easily, but also don't need that,
+ * since it's typically only used for lower voltages anyway, so just ignore it.
+ */
+static const struct axp_regulator_plat axp717_regulators[] = {
+       { "dcdc1", 0x80, BIT(0), 0x83, 0x7f,  500, 1540,  10, 70 },
+       { "dcdc2", 0x80, BIT(1), 0x84, 0x7f,  500, 1540,  10, 70 },
+       { "dcdc3", 0x80, BIT(2), 0x85, 0x7f,  500, 1840,  10, 70 },
+       { "dcdc4", 0x80, BIT(3), 0x86, 0x7f, 1000, 3700, 100, NA },
+       { "aldo1", 0x90, BIT(0), 0x93, 0x1f,  500, 3500, 100, NA },
+       { "aldo2", 0x90, BIT(1), 0x94, 0x1f,  500, 3500, 100, NA },
+       { "aldo3", 0x90, BIT(2), 0x95, 0x1f,  500, 3500, 100, NA },
+       { "aldo4", 0x90, BIT(3), 0x96, 0x1f,  500, 3500, 100, NA },
+       { "bldo1", 0x90, BIT(4), 0x97, 0x1f,  500, 3500, 100, NA },
+       { "bldo2", 0x90, BIT(5), 0x98, 0x1f,  500, 3500, 100, NA },
+       { "bldo3", 0x90, BIT(6), 0x99, 0x1f,  500, 3500, 100, NA },
+       { "bldo4", 0x90, BIT(7), 0x9a, 0x1f,  500, 3500, 100, NA },
+       { "cldo1", 0x91, BIT(0), 0x9b, 0x1f,  500, 3500, 100, NA },
+       { "cldo2", 0x91, BIT(1), 0x9c, 0x1f,  500, 3500, 100, NA },
+       { "cldo3", 0x91, BIT(2), 0x9d, 0x1f,  500, 3500, 100, NA },
+       { "cldo4", 0x91, BIT(3), 0x9e, 0x1f,  500, 3500, 100, NA },
+       {"cpusldo",0x91, BIT(4), 0x9f, 0x1f,  500, 1400,  50, NA },
+       {" boost", 0x19, BIT(4), 0x1e, 0xf0, 4550, 5510,  64, NA },
+       { }
+};
+
 static const struct axp_regulator_plat axp803_regulators[] = {
        { "dcdc1", 0x10, BIT(0), 0x20, 0x1f, 1600, 3400, 100, NA },
        { "dcdc2", 0x10, BIT(1), 0x21, 0x7f,  500, 1300,  10, 70 },
@@ -291,6 +318,7 @@ static const struct axp_regulator_plat *const axp_regulators[] = {
        [AXP221_ID]     = axp22x_regulators,
        [AXP223_ID]     = axp22x_regulators,
        [AXP313_ID]     = axp313_regulators,
+       [AXP717_ID]     = axp717_regulators,
        [AXP803_ID]     = axp803_regulators,
        [AXP806_ID]     = axp806_regulators,
        [AXP809_ID]     = axp809_regulators,

diff --git a/include/axp_pmic.h b/include/axp_pmic.h
index aabafc8501b10b25d3e61b4c5a47a4f37780405d..ae62ef0d76dd4f7473a4b5485831804a07088407 100644 (file)
--- a/include/axp_pmic.h
+++ b/include/axp_pmic.h
@@ -33,6 +33,7 @@ enum {
        AXP221_ID,
        AXP223_ID,
        AXP313_ID,
+       AXP717_ID,
        AXP803_ID,
        AXP806_ID,
        AXP809_ID,