Add a node describing the drivebus regulator which is an (optional)
part of the axp221/axp223 pmic. Since this regulator may not be
available at all depending on the board, mark it as disabled by
default.

Signed-off-by: Hans de Goede <[email protected]>
---
 arch/arm/boot/dts/axp22x.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/axp22x.dtsi b/arch/arm/boot/dts/axp22x.dtsi
index cbafca6..6903d471 100644
--- a/arch/arm/boot/dts/axp22x.dtsi
+++ b/arch/arm/boot/dts/axp22x.dtsi
@@ -141,6 +141,11 @@
                        regulator-max-microvolt = <3000000>;
                        regulator-name = "rtc_ldo";
                };
+
+               reg_drivebus: drivebus {
+                       regulator-name = "drivebus";
+                       status = "disabled";
+               };
        };
 
        usb_power_supply: usb_power_supply {
-- 
2.7.4

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