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

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Update binding document of pwm-tiehrpwm 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>
This commit is contained in:
Philip Avinash 2013-03-25 12:34:53 +05:30 committed by Thierry Reding
parent 5df1b8fb65
commit bdd7cf9715
1 changed files with 10 additions and 2 deletions
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12
Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt
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@ -1,7 +1,9 @@
TI SOC EHRPWM based PWM controller
Required properties:
- compatible : Must be "ti,am33xx-ehrpwm"
- compatible: Must be "ti,<soc>-ehrpwm".
for am33xx - compatible = "ti,am33xx-ehrpwm";
for da850 - compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm";
- #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:
ehrpwm0: ehrpwm@0 {
ehrpwm0: ehrpwm@0 { /* EHRPWM on am33xx */
compatible = "ti,am33xx-ehrpwm";
#pwm-cells = <3>;
reg = <0x48300200 0x100>;
ti,hwmods = "ehrpwm0";
};
ehrpwm0: ehrpwm@0 { /* EHRPWM on da850 */
compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm";
#pwm-cells = <3>;
reg = <0x300000 0x2000>;
};