[PATCH v5 net-next 1/4] dt-bindings: net: nfc: s3fwrn5: Support a UART interface
From: Bongsu Jeon <hidden>
Date: 2020-12-02 11:49:03
Also in:
linux-devicetree, lkml, oe-linux-nfc
Subsystem:
networking drivers, nfc subsystem, open firmware and flattened device tree bindings, samsung s3fwrn5 nfc driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Heidelberg, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Bongsu Jeon <bongsu.jeon@samsung.com> 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> --- .../bindings/net/nfc/samsung,s3fwrn5.yaml | 31 +++++++++++++++++++--- 1 file 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 cb0b8a5..ca3904b 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"; + }; + };
--
1.9.1