mirror of
https://github.com/torvalds/linux.git
synced 2024-12-06 19:11:31 +00:00
NFC: dts: st21nfcb_i2c: Add DTS Documentation
Describe the properties used by the st21nfcb NFC controller driver. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
parent
35630df68d
commit
955164ebb8
33
Documentation/devicetree/bindings/net/nfc/st21nfcb.txt
Normal file
33
Documentation/devicetree/bindings/net/nfc/st21nfcb.txt
Normal file
@ -0,0 +1,33 @@
|
||||
* STMicroelectronics SAS. ST21NFCB NFC Controller
|
||||
|
||||
Required properties:
|
||||
- compatible: Should be "st,st21nfcb_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
|
||||
- reset-gpios: Output GPIO pin used to reset the ST21NFCB
|
||||
|
||||
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 BeagleBoard xM with ST21NFCB on I2C2):
|
||||
|
||||
&i2c2 {
|
||||
|
||||
status = "okay";
|
||||
|
||||
st21nfcb: st21nfcb@8 {
|
||||
|
||||
compatible = "st,st21nfcb_i2c";
|
||||
|
||||
reg = <0x08>;
|
||||
clock-frequency = <400000>;
|
||||
|
||||
interrupt-parent = <&gpio5>;
|
||||
interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
|
||||
|
||||
reset-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>;
|
||||
};
|
||||
};
|
Loading…
Reference in New Issue
Block a user