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Diffstat (limited to 'Documentation/devicetree/bindings/net/nfc/st,st21nfca.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/net/nfc/st,st21nfca.yaml | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/nfc/st,st21nfca.yaml b/Documentation/devicetree/bindings/net/nfc/st,st21nfca.yaml new file mode 100644 index 000000000..8a7274357 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/st,st21nfca.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/st,st21nfca.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics SAS ST21NFCA NFC controller + +maintainers: + - Krzysztof Kozlowski <krzk@kernel.org> + +properties: + compatible: + const: st,st21nfca-i2c + + enable-gpios: + description: Output GPIO pin used for enabling/disabling the controller + + ese-present: + type: boolean + description: | + Specifies that an ese is physically connected to the controller + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + uicc-present: + type: boolean + description: | + Specifies that the uicc swp signal can be physically connected to the + controller + +required: + - compatible + - enable-gpios + - interrupts + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nfc@1 { + compatible = "st,st21nfca-i2c"; + reg = <0x1>; + + interrupt-parent = <&gpio5>; + interrupts = <2 IRQ_TYPE_LEVEL_LOW>; + enable-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>; + + ese-present; + uicc-present; + }; + }; |