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* [PATCH v2 net-next 1/4] dt-bindings: net: nfc: s3fwrn5: Support a UART interface
@ 2020-11-30 12:00 Bongsu jeon
  2020-11-30 16:55 ` Jakub Kicinski
                   ` (2 more replies)
  0 siblings, 3 replies; 5+ messages in thread
From: Bongsu jeon @ 2020-11-30 12:00 UTC (permalink / raw)
  To: krzk; +Cc: linux-nfc, netdev, devicetree, linux-kernel, Bongsu Jeon

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>
---

Changes in v2:
 -change the compatible name.
 -change the const to enum for compatible.
 -change the node name to nfc.

 .../bindings/net/nfc/samsung,s3fwrn5.yaml          | 32 ++++++++++++++++++++--
 1 file changed, 29 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..481bbcc 100644
--- a/Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml
+++ b/Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml
@@ -12,7 +12,10 @@ maintainers:
 
 properties:
   compatible:
-    const: samsung,s3fwrn5-i2c
+    oneOf:
+      - enum:
+        - samsung,s3fwrn5-i2c
+        - samsung,s3fwrn82
 
   en-gpios:
     maxItems: 1
@@ -47,10 +50,19 @@ 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 +83,17 @@ examples:
             wake-gpios = <&gpj0 2 GPIO_ACTIVE_HIGH>;
         };
     };
+  # UART example on Raspberry Pi
+  - |
+    uart0 {
+        status = "okay";
+
+        nfc {
+            compatible = "samsung,s3fwrn82";
+
+            en-gpios = <&gpio 20 0>;
+            wake-gpios = <&gpio 16 0>;
+
+            status = "okay";
+        };
+    };
-- 
1.9.1


^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2020-11-30 18:30 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-11-30 12:00 [PATCH v2 net-next 1/4] dt-bindings: net: nfc: s3fwrn5: Support a UART interface Bongsu jeon
2020-11-30 16:55 ` Jakub Kicinski
2020-11-30 18:29   ` Krzysztof Kozlowski
2020-11-30 17:37 ` Rob Herring
2020-11-30 17:39 ` Rob Herring

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