netdev - [PATCH v7 32/37] dt-bindings: nds32 CPU Bindings

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Message-Id: <e08b102ed7e8c18e35e19652ec2db052f13105d0.1518505384.git.greentime@andestech.com>
Date:   Tue, 13 Feb 2018 17:09:36 +0800
From:   Greentime Hu <green.hu@...il.com>
To:     greentime@...estech.com, linux-kernel@...r.kernel.org,
        arnd@...db.de, linux-arch@...r.kernel.org, tglx@...utronix.de,
        jason@...edaemon.net, marc.zyngier@....com, robh+dt@...nel.org,
        netdev@...r.kernel.org, deanbo422@...il.com,
        devicetree@...r.kernel.org, viro@...iv.linux.org.uk,
        dhowells@...hat.com, will.deacon@....com,
        daniel.lezcano@...aro.org, linux-serial@...r.kernel.org,
        geert.uytterhoeven@...il.com, linus.walleij@...aro.org,
        mark.rutland@....com, greg@...ah.com, ren_guo@...ky.com,
        rdunlap@...radead.org, davem@...emloft.net, jonas@...thpole.se,
        stefan.kristiansson@...nalahti.fi, shorne@...il.com
Cc:     green.hu@...il.com, Vincent Chen <vincentc@...estech.com>,
        Rick Chen <rick@...estech.com>, Zong Li <zong@...estech.com>
Subject: [PATCH v7 32/37] dt-bindings: nds32 CPU Bindings

This patch adds nds32 CPU binding documents.

Signed-off-by: Vincent Chen <vincentc@...estech.com>
Signed-off-by: Rick Chen <rick@...estech.com>
Signed-off-by: Zong Li <zong@...estech.com>
Signed-off-by: Greentime Hu <greentime@...estech.com>
Reviewed-by: Rob Herring <robh@...nel.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