pwm: pwm-tiecap: Update device-tree binding document

Update binding document of pwm-tiecap to reflect the usage of similar
modules in da850 and am3xx SOCs.

Signed-off-by: Philip Avinash <avinashphilip@ti.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Rob Landley <rob@landley.net>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>

1 files changed, 10 insertions, 2 deletions

diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
index 131e8c11d26f..681afad73778 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
+++ b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
@@ -1,7 +1,9 @@
 TI SOC ECAP based APWM controller
 
 Required properties:
-- compatible: Must be "ti,am33xx-ecap"
+- compatible: Must be "ti,<soc>-ecap".
+  for am33xx - compatible = "ti,am33xx-ecap";
+  for da850  - compatible = "ti,da850-ecap", "ti,am33xx-ecap";
 - #pwm-cells: Should be 3. Number of cells being used to specify PWM property.
   First cell specifies the per-chip index of the PWM to use, the second
   cell is the period in nanoseconds and bit 0 in the third cell is used to
@@ -15,9 +17,15 @@ Optional properties:
 
 Example:
 
-ecap0: ecap@0 {
+ecap0: ecap@0 { /* ECAP on am33xx */
         compatible = "ti,am33xx-ecap";
         #pwm-cells = <3>;
         reg = <0x48300100 0x80>;
         ti,hwmods = "ecap0";
 };
+
+ecap0: ecap@0 { /* ECAP on da850 */
+        compatible = "ti,da850-ecap", "ti,am33xx-ecap";
+        #pwm-cells = <3>;
+        reg = <0x306000 0x80>;
+};