1 files changed, 8 insertions, 3 deletions

diff --git a/Documentation/devicetree/bindings/timer/renesas,tmu.txt b/Documentation/devicetree/bindings/timer/renesas,tmu.txt
index 425d0c5f4aee..cd5f20bf2582 100644
--- a/Documentation/devicetree/bindings/timer/renesas,tmu.txt
+++ b/Documentation/devicetree/bindings/timer/renesas,tmu.txt
@@ -1,4 +1,4 @@
-* Renesas R-Car Timer Unit (TMU)
+* Renesas R-Mobile/R-Car Timer Unit (TMU)
 
 The TMU is a 32-bit timer/counter with configurable clock inputs and
 programmable compare match.
@@ -8,7 +8,12 @@ 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-r8a7740" for the r8a7740 TMU
+    - "renesas,tmu-r8a7778" for the r8a7778 TMU
+    - "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 +32,7 @@ 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>,