From: Greentime Hu <greentime@xxxxxxxxxxxxx>
This patch adds nds32 CPU binding documents.
Signed-off-by: Vincent Chen <vincentc@xxxxxxxxxxxxx>
Signed-off-by: Rick Chen <rick@xxxxxxxxxxxxx>
Signed-off-by: Zong Li <zong@xxxxxxxxxxxxx>
Signed-off-by: Greentime Hu <greentime@xxxxxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
Documentation/devicetree/bindings/nds32/cpus.txt | 37 ++++++++++++++++++++++
1 file changed, 37 insertions(+)
create mode 100644 Documentation/devicetree/bindings/nds32/cpus.txt
diff --git a/Documentation/devicetree/bindings/nds32/cpus.txt b/Documentation/devicetree/bindings/nds32/cpus.txt
new file mode 100644
index 0000000..9a52937
--- /dev/null
+++ b/Documentation/devicetree/bindings/nds32/cpus.txt
@@ -0,0 +1,37 @@
+* Andestech Processor Binding
+
+This binding specifies what properties must be available in the device tree
+representation of a Andestech Processor Core, which is the root node in the
+tree.
+
+Required properties:
+
+ - compatible:
+ Usage: required
+ Value type: <string>
+ Definition: should be one of:
+ "andestech,n13"
+ "andestech,n15"
+ "andestech,d15"
+ "andestech,n10"
+ "andestech,d10"
+ "andestech,nds32v3"
+ - device_type
+ Usage: required
+ Value type: <string>
+ Definition: must be "cpu"
+ - reg: Contains CPU index.
+ - clock-frequency: Contains the clock frequency for CPU, in Hz.
+
+* Examples
+
+/ {
+ cpus {
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "andestech,n13", "andestech,nds32v3";
+ reg = <0x0>;
+ clock-frequency = <60000000>
+ };
+ };
+};
--
1.7.9.5
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