1 files changed, 20 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/mfd/stm32-timers.txt b/Documentation/devicetree/bindings/mfd/stm32-timers.txt
index 1db6e0057a63..0e900b52e895 100644
--- a/Documentation/devicetree/bindings/mfd/stm32-timers.txt
+++ b/Documentation/devicetree/bindings/mfd/stm32-timers.txt
@@ -19,6 +19,11 @@ Required parameters:
 Optional parameters:
 - resets:               Phandle to the parent reset controller.
                         See ../reset/st,stm32-rcc.txt
+- dmas:                 List of phandle to dma channels that can be used for
+                        this timer instance. There may be up to 7 dma channels.
+- dma-names:            List of dma names. Must match 'dmas' property. Valid
+                        names are: "ch1", "ch2", "ch3", "ch4", "up", "trig",
+                        "com".
 
 Optional subnodes:
 - pwm:                  See ../pwm/pwm-stm32.txt
@@ -44,3 +49,18 @@ Example:
                         reg = <0>;
                 };
         };
+
+Example with all dmas:
+        timer@40010000 {
+                ...
+                dmas = <&dmamux1 11 0x400 0x0>,
+                       <&dmamux1 12 0x400 0x0>,
+                       <&dmamux1 13 0x400 0x0>,
+                       <&dmamux1 14 0x400 0x0>,
+                       <&dmamux1 15 0x400 0x0>,
+                       <&dmamux1 16 0x400 0x0>,
+                       <&dmamux1 17 0x400 0x0>;
+                dma-names = "ch1", "ch2", "ch3", "ch4", "up", "trig", "com";
+                ...
+                child nodes...
+        };