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Diffstat (limited to 'Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml b/Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml new file mode 100644 index 0000000000..12baee4575 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml @@ -0,0 +1,99 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/samsung,s3fwrn5.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung S3FWRN5 NCI NFC Controller + +maintainers: + - Krzysztof Kozlowski <krzk@kernel.org> + +properties: + compatible: + enum: + - samsung,s3fwrn5-i2c + - samsung,s3fwrn82 + + en-gpios: + maxItems: 1 + description: + Output GPIO pin used for enabling/disabling the chip + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + wake-gpios: + maxItems: 1 + description: + Output GPIO pin used to enter firmware mode and sleep/wakeup control + + s3fwrn5,en-gpios: + maxItems: 1 + deprecated: true + description: + Use en-gpios + + s3fwrn5,fw-gpios: + maxItems: 1 + deprecated: true + description: + Use wake-gpios + +additionalProperties: false + +required: + - compatible + - en-gpios + - wake-gpios + +allOf: + - if: + properties: + compatible: + contains: + const: samsung,s3fwrn5-i2c + then: + required: + - interrupts + - reg + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + s3fwrn5@27 { + compatible = "samsung,s3fwrn5-i2c"; + reg = <0x27>; + + interrupt-parent = <&gpa1>; + interrupts = <3 IRQ_TYPE_EDGE_RISING>; + + en-gpios = <&gpf1 4 GPIO_ACTIVE_HIGH>; + wake-gpios = <&gpj0 2 GPIO_ACTIVE_HIGH>; + + clocks = <&rpmcc 20>; + }; + }; + # UART example on Raspberry Pi + - | + uart0 { + nfc { + compatible = "samsung,s3fwrn82"; + + en-gpios = <&gpio 20 GPIO_ACTIVE_HIGH>; + wake-gpios = <&gpio 16 GPIO_ACTIVE_HIGH>; + + }; + }; |