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Subject[PATCH v7 32/37] dt-bindings: nds32 CPU Bindings
Date
This patch adds nds32 CPU binding documents.

Signed-off-by: Vincent Chen <vincentc@andestech.com>
Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Zong Li <zong@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
Documentation/devicetree/bindings/nds32/cpus.txt | 38 ++++++++++++++++++++++++
1 file changed, 38 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 000000000000..6f9e311b6589
--- /dev/null
+++ b/Documentation/devicetree/bindings/nds32/cpus.txt
@@ -0,0 +1,38 @@
+* 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 "andestech,<core_name>", "andestech,nds32v3" as fallback.
+ Must contain "andestech,nds32v3" as the most generic value, in addition to
+ one of the following identifiers for a particular CPU core:
+ "andestech,n13"
+ "andestech,n15"
+ "andestech,d15"
+ "andestech,n10"
+ "andestech,d10"
+ - 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>
+ };
+ };
+};
--
2.16.1
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