From: Franklin S Cooper Jr <fcooper@xxxxxx>
Add documentation to describe usage of the new can-transceiver binding.
This new binding is applicable for any CAN device therefore it exists as
its own document.
Signed-off-by: Franklin S Cooper Jr <fcooper@xxxxxx>
Signed-off-by: Sekhar Nori <nsekhar@xxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Faiz Abbas <faiz_abbas@xxxxxx>
---
.../bindings/net/can/can-transceiver.txt | 24 ++++++++++++++++++++++
1 file changed, 24 insertions(+)
create mode 100644 Documentation/devicetree/bindings/net/can/can-transceiver.txt
diff --git a/Documentation/devicetree/bindings/net/can/can-transceiver.txt b/Documentation/devicetree/bindings/net/can/can-transceiver.txt
new file mode 100644
index 0000000..0011f53
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/can/can-transceiver.txt
@@ -0,0 +1,24 @@
+Generic CAN transceiver Device Tree binding
+------------------------------
+
+CAN transceiver typically limits the max speed in standard CAN and CAN FD
+modes. Typically these limitations are static and the transceivers themselves
+provide no way to detect this limitation at runtime. For this situation,
+the "can-transceiver" node can be used.
+
+Required Properties:
+ max-bitrate: a positive non 0 value that determines the max
+ speed that CAN/CAN-FD can run. Any other value
+ will be ignored.
+
+Examples:
+
+Based on Texas Instrument's TCAN1042HGV CAN Transceiver
+
+m_can0 {
+ ....
+ can-transceiver {
+ max-bitrate = <5000000>;
+ };
+ ...
+};
--
2.7.4
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