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Diffstat (limited to 'Documentation/devicetree/bindings/regulator/gpio-regulator.txt')
-rw-r--r-- | Documentation/devicetree/bindings/regulator/gpio-regulator.txt | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/Documentation/devicetree/bindings/regulator/gpio-regulator.txt b/Documentation/devicetree/bindings/regulator/gpio-regulator.txt deleted file mode 100644 index dd25e73b5d79..000000000000 --- a/Documentation/devicetree/bindings/regulator/gpio-regulator.txt +++ /dev/null @@ -1,57 +0,0 @@ -GPIO controlled regulators - -Required properties: -- compatible : Must be "regulator-gpio". -- regulator-name : Defined in regulator.txt as optional, but required - here. -- gpios : Array of one or more GPIO pins used to select the - regulator voltage/current listed in "states". -- states : Selection of available voltages/currents provided by - this regulator and matching GPIO configurations to - achieve them. If there are no states in the "states" - array, use a fixed regulator instead. - -Optional properties: -- enable-gpios : GPIO used to enable/disable the regulator. - Warning, the GPIO phandle flags are ignored and the - GPIO polarity is controlled solely by the presence - of "enable-active-high" DT property. This is due to - compatibility with old DTs. -- enable-active-high : Polarity of "enable-gpio" GPIO is active HIGH. - Default is active LOW. -- gpios-states : On operating systems, that don't support reading back - gpio values in output mode (most notably linux), this - array provides the state of GPIO pins set when - requesting them from the gpio controller. Systems, - that are capable of preserving state when requesting - the lines, are free to ignore this property. - 0: LOW, 1: HIGH. Default is LOW if nothing else - is specified. -- startup-delay-us : Startup time in microseconds. -- regulator-type : Specifies what is being regulated, must be either - "voltage" or "current", defaults to voltage. - -Any property defined as part of the core regulator binding defined in -regulator.txt can also be used. - -Example: - - mmciv: gpio-regulator { - compatible = "regulator-gpio"; - - regulator-name = "mmci-gpio-supply"; - regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <2600000>; - regulator-boot-on; - - enable-gpios = <&gpio0 23 0x4>; - gpios = <&gpio0 24 0x4 - &gpio0 25 0x4>; - states = <1800000 0x3 - 2200000 0x2 - 2600000 0x1 - 2900000 0x0>; - - startup-delay-us = <100000>; - enable-active-high; - }; |