Introduce a new binding with its documentation for Spreadtrum clock
sub-framework.
Signed-off-by: Chunyan Zhang <chunyan.zhang@xxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/clock/sprd.txt | 36 ++++++++++++++++++++++++
1 file changed, 36 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/sprd.txt
diff --git a/Documentation/devicetree/bindings/clock/sprd.txt b/Documentation/devicetree/bindings/clock/sprd.txt
new file mode 100644
index 0000000..c6f3abf
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/sprd.txt
@@ -0,0 +1,36 @@
+Spreadtrum Clock Binding
+------------------------
+
+Required properties:
+- compatible: must contain the following compatible:
+ - "sprd,sc9860-clk" (only support SC9860 for the time being)
+
+- reg: Must contain the registers base address and length.
+ Clocks on most of Spreadtrum's SoCs were designed to locate in a few
+ different address areas, so there would be more than one items under
+ this property.
+
+- #clock-cells: must be 1
+
+Example:
+
+clk: clk {
+ compatible = "sprd,sc9860-clk";
+ #clock-cells = <1>;
+ reg = <0 0x20000000 0 0x400>,
+ <0 0x20210000 0 0x3000>,
+ <0 0x402b0000 0 0x4000>,
+ <0 0x402d0000 0 0x400>,
+ <0 0x402e0000 0 0x4000>,
+ <0 0x40400000 0 0x400>,
+ <0 0x40880000 0 0x400>,
+ <0 0x415e0000 0 0x400>,
+ <0 0x60200000 0 0x400>,
+ <0 0x61000000 0 0x400>,
+ <0 0x61100000 0 0x3000>,
+ <0 0x62000000 0 0x4000>,
+ <0 0x62100000 0 0x4000>,
+ <0 0x63000000 0 0x400>,
+ <0 0x63100000 0 0x3000>,
+ <0 0x70b00000 0 0x3000>;
+};
--
2.7.4
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