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/openbmc/linux/Documentation/devicetree/bindings/net/nfc/
H A Dti,trf7970a.yaml4 $id: http://devicetree.org/schemas/net/nfc/ti,trf7970a.yaml#
7 title: Texas Instruments TRF7970A RFID/NFC/15693 Transceiver
15 const: ti,trf7970a
24 Set to specify that the input frequency to the trf7970a is 13560000Hz or
30 Specify that the trf7970a being used has the "EN2 RF" erratum
38 Specify that the trf7970a being used has the "IRQ Status Read" erratum
47 One or two GPIO entries used for 'EN' and 'EN2' pins on the TRF7970A. EN2
81 compatible = "ti,trf7970a";
/openbmc/linux/drivers/nfc/
H A Dtrf7970a.c3 * TI TRF7970a RFID/NFC Transceiver Driver
28 /* There are 3 ways the host can communicate with the trf7970a:
32 * The trf7970a is very timing sensitive and the VIN, EN2, and EN
36 * version of the trf7970a that requires that EN2 remain low no matter
40 * indicates that trf7970a currently being used has the erratum and
45 * from the trf7970a (or tag). Using this mechanism creates a race with
145 /* Erratum: When reading IRQ Status register on trf7970a, we must issue a
423 struct trf7970a { struct
457 static int trf7970a_cmd(struct trf7970a *trf, u8 opcode) in trf7970a_cmd() argument
471 static int trf7970a_read(struct trf7970a *trf, u8 reg, u8 *val) in trf7970a_read()
[all …]
H A DKconfig10 tristate "Texas Instruments TRF7970a NFC driver"
13 This option enables the NFC driver for Texas Instruments' TRF7970a
17 Say Y here to compile support for TRF7970a into the kernel or
19 trf7970a.ko.
H A DMakefile14 obj-$(CONFIG_NFC_TRF7970A) += trf7970a.o
/openbmc/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6dl-prtrvt.dts61 compatible = "ti,trf7970a";
/openbmc/linux/
H A DMAINTAINERS21673 TI TRF7970A NFC DRIVER
21677 F: Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml
21678 F: drivers/nfc/trf7970a.c
H A Dopengrok0.0.log[all...]
H A Dopengrok1.0.log[all...]
H A Dopengrok2.0.log[all...]