clocksource: sh_mtu2: Document r7s72100 binding

[platform/adaptation/renesas_rcar/renesas_kernel.git] / Documentation / devicetree / bindings / timer / renesas,mtu2.txt

diff --git a/Documentation/devicetree/bindings/timer/renesas,mtu2.txt b/Documentation/devicetree/bindings/timer/renesas,mtu2.txt
index 917453f..d9a8d5a 100644 (file)
--- a/Documentation/devicetree/bindings/timer/renesas,mtu2.txt
+++ b/Documentation/devicetree/bindings/timer/renesas,mtu2.txt
@@ -8,7 +8,10 @@ are independent. The MTU2 hardware supports five channels indexed from 0 to 4.
 
 Required Properties:
 
-  - compatible: must contain "renesas,mtu2"
+  - compatible: must be one or more of the following:
+    - "renesas,mtu2-r7s72100" for the r7s72100 MTU2
+    - "renesas,mtu2" for any MTU2
+      This is a fallback for the above renesas,mtu2-* entries
 
   - reg: base address and length of the registers block for the timer module.
 
@@ -26,7 +29,7 @@ Required Properties:
 Example: R7S72100 (RZ/A1H) MTU2 node
 
        mtu2: timer@fcff0000 {
-               compatible = "renesas,mtu2";
+               compatible = "renesas,mtu2-r7s72100", "renesas,mtu2";
                reg = <0xfcff0000 0x400>;
                interrupts = <0 139 IRQ_TYPE_LEVEL_HIGH>,
                             <0 146 IRQ_TYPE_LEVEL_HIGH>,