@@ -73,6 +73,24 @@ properties:
- 1 # SMB3XX_SOFT_TEMP_COMPENSATE_CURRENT Current compensation
- 2 # SMB3XX_SOFT_TEMP_COMPENSATE_VOLTAGE Voltage compensation
+ summit,inok-polarity:
+ description: |
+ Polarity of INOK signal indicating presence of external power supply.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum:
+ - 0 # SMB3XX_SYSOK_INOK_ACTIVE_LOW
+ - 1 # SMB3XX_SYSOK_INOK_ACTIVE_HIGH
+
+ usb-vbus:
+ $ref: "../../regulator/regulator.yaml#"
+ type: object
+
+ properties:
+ summit,needs-inok-toggle:
+ type: boolean
+ description: INOK signal is fixed and polarity needs to be toggled
+ in order to enable/disable output mode.
+
allOf:
- if:
properties:
@@ -134,6 +152,7 @@ examples:
reg = <0x7f>;
summit,enable-charge-control = <SMB3XX_CHG_ENABLE_PIN_ACTIVE_HIGH>;
+ summit,inok-polarity = <SMB3XX_SYSOK_INOK_ACTIVE_LOW>;
summit,chip-temperature-threshold-celsius = <110>;
summit,mains-current-limit-microamp = <2000000>;
summit,usb-current-limit-microamp = <500000>;
@@ -141,6 +160,15 @@ examples:
summit,enable-mains-charging;
monitored-battery = <&battery>;
+
+ usb-vbus {
+ regulator-name = "usb_vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-min-microamp = <750000>;
+ regulator-max-microamp = <750000>;
+ summit,needs-inok-toggle;
+ };
};
};
@@ -16,4 +16,8 @@
#define SMB3XX_CHG_ENABLE_PIN_ACTIVE_LOW 1
#define SMB3XX_CHG_ENABLE_PIN_ACTIVE_HIGH 2
+/* Polarity of INOK signal */
+#define SMB3XX_SYSOK_INOK_ACTIVE_LOW 0
+#define SMB3XX_SYSOK_INOK_ACTIVE_HIGH 1
+
#endif
SMB347 can supply power to USB VBUS, which is required by OTG-cable devices that want to switch USB port into the host mode. Add USB VBUS regulator properties. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- .../power/supply/summit,smb347-charger.yaml | 28 +++++++++++++++++++ .../dt-bindings/power/summit,smb347-charger.h | 4 +++ 2 files changed, 32 insertions(+)