Add Device Tree binding document for logicoreIP. This logicoreIP
provides the isolation between the processing system and
programmable logic. Also provides the clock related information.
Signed-off-by: Dhaval Shah <dshah@xxxxxxxxxx>
---
Chnages since v5:
No Changes.
Chnages since v4:
No Changes.
Chnages since v3:
* Use "dt-bindings: misc: ..." for the subject.
Changes since v2:
* Describe the h/w
* compatible string is updated to make it more specific
based on the logicoreIP version.
* Removed that encoder and decoder child nodes and relatd properties as that
will be a separate driver and dts nodes. other team is working on that.
* Updated to use as a single driver.
.../devicetree/bindings/misc/xlnx,vcu.txt | 31 ++++++++++++++++++++++
1 file changed, 31 insertions(+)
create mode 100644 Documentation/devicetree/bindings/misc/xlnx,vcu.txt
diff --git a/Documentation/devicetree/bindings/misc/xlnx,vcu.txt b/Documentation/devicetree/bindings/misc/xlnx,vcu.txt
new file mode 100644
index 0000000..6786d67
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/xlnx,vcu.txt
@@ -0,0 +1,31 @@
+LogicoreIP designed compatible with Xilinx ZYNQ family.
+-------------------------------------------------------
+
+General concept
+---------------
+
+LogicoreIP design to provide the isolation between processing system
+and programmable logic. Also provides the list of register set to configure
+the frequency.
+
+Required properties:
+- compatible: shall be one of:
+ "xlnx,vcu"
+ "xlnx,vcu-logicoreip-1.0"
+- reg, reg-names: There are two sets of registers need to provide.
+ 1. vcu slcr
+ 2. Logicore
+ reg-names should contain name for the each register sequence.
+- clocks: phandle for aclk and pll_ref clocksource
+- clock-names: The identification string, "aclk", is always required for
+ the axi clock. "pll_ref" is required for pll.
+Example:
+
+ xlnx_vcu: vcu@a0040000 {
+ compatible = "xlnx,vcu-logicoreip-1.0";
+ reg = <0x0 0xa0040000 0x0 0x1000>,
+ <0x0 0xa0041000 0x0 0x1000>;
+ reg-names = "vcu_slcr", "logicore";
+ clocks = <&si570_1>, <&clkc 71>;
+ clock-names = "pll_ref", "aclk";
+ };
--
2.7.4
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