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NFC: trf7970a: Document the 'irq-status-read-quirk' DT property 

The mechanism for specifying that the trf7970a
being used by the driver has the "IRQ Status Read"
erratum has been changed to a device tree property
('irq-status-read-quirk').

Document the new device tree property.

Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Mark A. Greer 2014-08-07 17:41:44 -07:00 committed by Samuel Ortiz
parent 772079eb77
commit d953ada493
1 changed files with 3 additions and 0 deletions
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3
Documentation/devicetree/bindings/net/nfc/trf7970a.txt
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@ -14,6 +14,8 @@ Optional SoC Specific Properties:
- 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.
- irq-status-read-quirk: Specify that the trf7970a being used has the
"IRQ Status Read" erratum.
Example (for ARM-based BeagleBone with TRF7970A on SPI1):
@ -33,6 +35,7 @@ Example (for ARM-based BeagleBone with TRF7970A on SPI1):
vin-supply = <&ldo3_reg>;
vin-voltage-override = <5000000>;
autosuspend-delay = <30000>;
irq-status-read-quirk;
status = "okay";
};
};