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Diffstat (limited to 'Documentation/devicetree/bindings/net/nfc/nxp,pn544.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/net/nfc/nxp,pn544.yaml | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/nfc/nxp,pn544.yaml b/Documentation/devicetree/bindings/net/nfc/nxp,pn544.yaml new file mode 100644 index 000000000000..d520414de463 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/nxp,pn544.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/nxp,pn544.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP Semiconductors PN544 NFC Controller + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + +properties: + compatible: + const: nxp,pn544-i2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + enable-gpios: + description: Output GPIO pin used for enabling/disabling the PN544 + maxItems: 1 + + firmware-gpios: + description: Output GPIO pin used to enter firmware download mode + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - enable-gpios + - firmware-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nfc@28 { + compatible = "nxp,pn544-i2c"; + reg = <0x28>; + + interrupt-parent = <&gpio1>; + interrupts = <17 IRQ_TYPE_LEVEL_HIGH>; + + enable-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; + firmware-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>; + }; + }; |