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| author | Mark A. Greer <mgreer@animalcreek.com> | 2014-08-08 02:41:42 +0200 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2014-09-01 00:06:55 +0200 |
| commit | c2b33de06d23e66f9df34f515704cd3bfa8dd260 (patch) | |
| tree | c41392dbda08384bc527d954643f54a41bc61fb7 /Documentation | |
| parent | NFC: trf7970a: Add VIN voltage override support (diff) | |
| download | linux-c2b33de06d23e66f9df34f515704cd3bfa8dd260.tar.xz linux-c2b33de06d23e66f9df34f515704cd3bfa8dd260.zip | |
NFC: trf7970a: Document the 'vin-voltage-override' DTS property
The trf7970a driver recently had support for the
'vin-voltage-override' property added to it. This
property is used to override the value given by
the regulator subsystem for the VIN pin's voltage.
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/net/nfc/trf7970a.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt index 1e436133685f..02a381d30448 100644 --- a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt +++ b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt @@ -13,6 +13,7 @@ Optional SoC Specific Properties: - pinctrl-names: Contains only one value - "default". - pintctrl-0: Specifies the pin control groups used for this controller. - autosuspend-delay: Specify autosuspend delay in milliseconds. +- vin-voltage-override: Specify voltage of VIN pin in microvolts. Example (for ARM-based BeagleBone with TRF7970A on SPI1): @@ -30,6 +31,7 @@ Example (for ARM-based BeagleBone with TRF7970A on SPI1): ti,enable-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>, <&gpio2 5 GPIO_ACTIVE_LOW>; vin-supply = <&ldo3_reg>; + vin-voltage-override = <5000000>; autosuspend-delay = <30000>; status = "okay"; }; |