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| author | Dmitry Osipenko <digetx@gmail.com> | 2021-07-31 20:38:35 +0300 |
|---|---|---|
| committer | Sebastian Reichel <sre@kernel.org> | 2021-08-16 18:56:20 +0300 |
| commit | 3e81bd7dfb9c72679666d1a54c9dd94b711f0fbc (patch) | |
| tree | 71d969a8bfc97349eaa1bf942bf7bf39c9c9afad /Documentation/devicetree/bindings/power | |
| parent | 80698507e0b20817ab850538080b01c3e0a5314f (diff) | |
| download | linux-3e81bd7dfb9c72679666d1a54c9dd94b711f0fbc.tar.xz | |
dt-bindings: power: supply: smb347-charger: Document USB VBUS regulator
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.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'Documentation/devicetree/bindings/power')
| -rw-r--r-- | Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml b/Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml index 983fc215c1e5..20862cdfc116 100644 --- a/Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml +++ b/Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml @@ -73,6 +73,26 @@ 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. + + unevaluatedProperties: false + allOf: - if: properties: @@ -134,6 +154,7 @@ 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 +162,15 @@ 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; + }; }; }; |