1. dt bindings should use the compat string for the earliest version of the
hardware which has the relevant hardware block, unless there are differences,
the A10 and A20 ps2 controllers are identical, so for both sun4i-a10-ps2
should be used as compat string.
2. ps2 / serio bindings belong under Documentation/devicetree/bindings/serio
Signed-off-by: VishnuPatekar <vishnupatekar0510@xxxxxxxxx>
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
.../bindings/serio/allwinner,sun4i-ps2.txt | 23 ++++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 Documentation/devicetree/bindings/serio/allwinner,sun4i-ps2.txt
diff --git a/Documentation/devicetree/bindings/serio/allwinner,sun4i-ps2.txt b/Documentation/devicetree/bindings/serio/allwinner,sun4i-ps2.txt
new file mode 100644
index 0000000..0c30440
--- /dev/null
+++ b/Documentation/devicetree/bindings/serio/allwinner,sun4i-ps2.txt
@@ -0,0 +1,23 @@
+* Device tree bindings for Allwinner A10, A20 PS2 host controller
+
+A20 PS2 is dual role controller(PS2 host and PS2 device). These bindings are
+for PS2 A10/A20 host controller. IBM compliant IBM PS2 and AT-compatible keyboard
+and mouse can be connected.
+
+Required properties:
+
+ - reg : Offset and length of the register set for the device.
+ - compatible : Should be as of the following:
+ - "allwinner,sun4i-a10-ps2"
+ - interrupts : The interrupt line connected to the PS2.
+ - clocks : The gate clk connected to the PS2.
+
+
+Example:
+ ps20: ps2@0x01c2a000 {
+ compatible = "allwinner,sun4i-a10-ps2";
+ reg = <0x01c2a000 0x400>;
+ interrupts = <0 62 4>;
+ clocks = <&apb1_gates 6>;
+ status = "disabled";
+ };
--
1.7.9.5
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