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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
commit | 863981e96738983919de841ec669e157e6bdaeb0 (patch) | |
tree | d6d89a12e7eb8017837c057935a2271290907f76 /Documentation/devicetree/bindings/net/nfc | |
parent | 8dec7c70575785729a6a9e6719a955e9c545bcab (diff) |
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'Documentation/devicetree/bindings/net/nfc')
-rw-r--r-- | Documentation/devicetree/bindings/net/nfc/pn533-i2c.txt | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/nfc/pn533-i2c.txt b/Documentation/devicetree/bindings/net/nfc/pn533-i2c.txt new file mode 100644 index 000000000..1aea822d4 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/pn533-i2c.txt @@ -0,0 +1,31 @@ +* NXP Semiconductors PN532 NFC Controller + +Required properties: +- compatible: Should be "nxp,pn532-i2c" or "nxp,pn533-i2c". +- clock-frequency: I²C work frequency. +- reg: address on the bus +- interrupt-parent: phandle for the interrupt gpio controller +- interrupts: GPIO interrupt to which the chip is connected + +Optional SoC Specific Properties: +- pinctrl-names: Contains only one value - "default". +- pintctrl-0: Specifies the pin control groups used for this controller. + +Example (for ARM-based BeagleBone with PN532 on I2C2): + +&i2c2 { + + status = "okay"; + + pn532: pn532@24 { + + compatible = "nxp,pn532-i2c"; + + reg = <0x24>; + clock-frequency = <400000>; + + interrupt-parent = <&gpio1>; + interrupts = <17 IRQ_TYPE_EDGE_FALLING>; + + }; +}; |