clocksource: sh_tmu: Document r8a7779 binding

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

diff --git a/Documentation/devicetree/bindings/timer/renesas,tmu.txt b/Documentation/devicetree/bindings/timer/renesas,tmu.txt
index 425d0c5..7db89fb 100644 (file)
--- a/Documentation/devicetree/bindings/timer/renesas,tmu.txt
+++ b/Documentation/devicetree/bindings/timer/renesas,tmu.txt
@@ -8,7 +8,10 @@ are independent. The TMU hardware supports up to three channels.
 
 Required Properties:
 
-  - compatible: must contain "renesas,tmu"
+  - compatible: must contain one or more of the following:
+    - "renesas,tmu-r8a7779" for the r8a7779 TMU
+    - "renesas,tmu" for any TMU.
+      This is a fallback for the above renesas,tmu-* entries
 
   - reg: base address and length of the registers block for the timer module.
 
@@ -27,7 +30,7 @@ Optional Properties:
 Example: R8A7779 (R-Car H1) TMU0 node
 
        tmu0: timer@ffd80000 {
-               compatible = "renesas,tmu";
+               compatible = "renesas,tmu-r8a7779", "renesas,tmu";
                reg = <0xffd80000 0x30>;
                interrupts = <0 32 IRQ_TYPE_LEVEL_HIGH>,
                             <0 33 IRQ_TYPE_LEVEL_HIGH>,