Add a cell for the usb power_supply part of the axp20x PMICs.
Note that this cell is only for the usb power_supply part and not the
ac-power / battery-charger / rtc-backup-bat-charger bits.
Depending on the board each of those must be enabled / disabled separately
in devicetree as most boards do not use all 4. So in dt each one needs its
own child-node of the axp20x node. Another reason for using separate child
nodes for each is so that other devicetree nodes can have a power-supply
property with a phandle referencing a node representing a single
power-supply.
The decision to use a separate devicetree node for each is reflected on
the kernel side by each getting its own mfd-cell / platform_device and
platform-driver.
Cc: Bruno Prémont <bonbons@xxxxxxxxxxxxxxxxx>
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
drivers/mfd/axp20x.c | 32 +++++++++++++++++++++++++++++++-
1 file changed, 31 insertions(+), 1 deletion(-)
diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
index 6ffbc11..47ce233 100644
--- a/drivers/mfd/axp20x.c
+++ b/drivers/mfd/axp20x.c
@@ -113,6 +113,30 @@ static struct resource axp20x_pek_resources[] = {
},
};
+static struct resource axp20x_usb_power_supply_resources[] = {
+ {
+ .name = "VBUS_PLUGIN",
+ .start = AXP20X_IRQ_VBUS_PLUGIN,
+ .end = AXP20X_IRQ_VBUS_PLUGIN,
+ .flags = IORESOURCE_IRQ,
+ }, {
+ .name = "VBUS_REMOVAL",
+ .start = AXP20X_IRQ_VBUS_REMOVAL,
+ .end = AXP20X_IRQ_VBUS_REMOVAL,
+ .flags = IORESOURCE_IRQ,
+ }, {
+ .name = "VBUS_VALID",
+ .start = AXP20X_IRQ_VBUS_VALID,
+ .end = AXP20X_IRQ_VBUS_VALID,
+ .flags = IORESOURCE_IRQ,
+ }, {
+ .name = "VBUS_NOT_VALID",
+ .start = AXP20X_IRQ_VBUS_NOT_VALID,
+ .end = AXP20X_IRQ_VBUS_NOT_VALID,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
static struct resource axp22x_pek_resources[] = {
{
.name = "PEK_DBR",
@@ -165,7 +189,7 @@ static const struct regmap_config axp20x_regmap_config = {
.val_bits = 8,
.wr_table = &axp20x_writeable_table,
.volatile_table = &axp20x_volatile_table,
- .max_register = AXP20X_FG_RES,
+ .max_register = AXP20X_OCV(15),
.cache_type = REGCACHE_RBTREE,
};
@@ -368,6 +392,12 @@ static struct mfd_cell axp20x_cells[] = {
.resources = axp20x_pek_resources,
}, {
.name = "axp20x-regulator",
+ }, {
+ .name = "axp20x-usb-power-supply",
+ .of_compatible = "x-powers,axp202-usb-power-supply",
+ .num_resources =
+ ARRAY_SIZE(axp20x_usb_power_supply_resources),
+ .resources = axp20x_usb_power_supply_resources,
},
};
--
2.3.6
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