projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 6d362ea6 KK |
1 | # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| 2 | %YAML 1.2 | |
| 3 | --- | |
| 4 | $id: http://devicetree.org/schemas/net/nfc/nxp,nci.yaml# | |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# | |
| 6 | ||
| 7 | title: NXP Semiconductors NCI NFC controller | |
| 8 | ||
| 9 | maintainers: | |
| 10 | - Charles Gorand <charles.gorand@effinnov.com> | |
| 8a1e6bb3 | 11 | - Krzysztof Kozlowski <krzk@kernel.org> |
| 6d362ea6 KK |
12 | |
| 13 | properties: | |
| 14 | compatible: | |
| 54aed10d KK |
15 | oneOf: |
| 16 | - const: nxp,nxp-nci-i2c | |
| 17 | - items: | |
| 18 | - const: nxp,pn547 | |
| 19 | - const: nxp,nxp-nci-i2c | |
| 6d362ea6 KK |
20 | |
| 21 | enable-gpios: | |
| 22 | description: Output GPIO pin used for enabling/disabling the controller | |
| 23 | ||
| 24 | firmware-gpios: | |
| 25 | description: Output GPIO pin used to enter firmware download mode | |
| 26 | ||
| 27 | interrupts: | |
| 28 | maxItems: 1 | |
| 29 | ||
| 30 | reg: | |
| 31 | maxItems: 1 | |
| 32 | ||
| 33 | required: | |
| 34 | - compatible | |
| 35 | - enable-gpios | |
| 36 | - interrupts | |
| 37 | - reg | |
| 38 | ||
| 39 | additionalProperties: false | |
| 40 | ||
| 41 | examples: | |
| 42 | - | | |
| 43 | #include <dt-bindings/gpio/gpio.h> | |
| 44 | #include <dt-bindings/interrupt-controller/irq.h> | |
| 45 | ||
| 46 | i2c { | |
| 47 | #address-cells = <1>; | |
| 48 | #size-cells = <0>; | |
| 49 | ||
| 50 | nfc@29 { | |
| 51 | compatible = "nxp,nxp-nci-i2c"; | |
| 52 | ||
| 53 | reg = <0x29>; | |
| 54 | ||
| 55 | interrupt-parent = <&gpio1>; | |
| 56 | interrupts = <29 IRQ_TYPE_LEVEL_HIGH>; | |
| 57 | ||
| 58 | enable-gpios = <&gpio0 30 GPIO_ACTIVE_HIGH>; | |
| 59 | firmware-gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>; | |
| 60 | }; | |
| 61 | }; |