diff options
| author | Bongsu Jeon <bongsu.jeon@samsung.com> | 2020-12-02 20:47:38 +0900 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-12-02 17:55:25 -0800 |
| commit | 36d076201bd467d6bd22ba14e56e457d55e32be7 (patch) | |
| tree | bf8b07d97d766adc235604bf95985fd84376a3bd /Documentation/devicetree/bindings/net/nfc | |
| parent | 32e417024fe28cc87fc3d74728e21a3e2ba2c2bf (diff) | |
dt-bindings: net: nfc: s3fwrn5: Support a UART interface
Since S3FWRN82 NFC Chip, The UART interface can be used.
S3FWRN82 supports I2C and UART interface.
Signed-off-by: Bongsu Jeon <bongsu.jeon@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/net/nfc')
| -rw-r--r-- | Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml b/Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml index cb0b8a560282..ca3904bf90e0 100644 --- a/Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml +++ b/Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml @@ -12,7 +12,9 @@ maintainers: properties: compatible: - const: samsung,s3fwrn5-i2c + enum: + - samsung,s3fwrn5-i2c + - samsung,s3fwrn82 en-gpios: maxItems: 1 @@ -47,10 +49,19 @@ additionalProperties: false required: - compatible - en-gpios - - interrupts - - reg - wake-gpios +allOf: + - if: + properties: + compatible: + contains: + const: samsung,s3fwrn5-i2c + then: + required: + - interrupts + - reg + examples: - | #include <dt-bindings/gpio/gpio.h> @@ -71,3 +82,17 @@ examples: wake-gpios = <&gpj0 2 GPIO_ACTIVE_HIGH>; }; }; + # UART example on Raspberry Pi + - | + uart0 { + status = "okay"; + + nfc { + compatible = "samsung,s3fwrn82"; + + en-gpios = <&gpio 20 GPIO_ACTIVE_HIGH>; + wake-gpios = <&gpio 16 GPIO_ACTIVE_HIGH>; + + status = "okay"; + }; + }; |