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pwm: pwm-tiehrpwm: Update device-tree binding document
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>
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@ -1,7 +1,9 @@
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TI SOC EHRPWM based PWM controller
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Required properties:
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- compatible : Must be "ti,am33xx-ehrpwm"
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- compatible: Must be "ti,<soc>-ehrpwm".
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for am33xx - compatible = "ti,am33xx-ehrpwm";
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for da850 - compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm";
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- #pwm-cells: Should be 3. Number of cells being used to specify PWM property.
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First cell specifies the per-chip index of the PWM to use, the second
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cell is the period in nanoseconds and bit 0 in the third cell is used to
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@ -15,9 +17,15 @@ Optional properties:
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Example:
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ehrpwm0: ehrpwm@0 {
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ehrpwm0: ehrpwm@0 { /* EHRPWM on am33xx */
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compatible = "ti,am33xx-ehrpwm";
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#pwm-cells = <3>;
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reg = <0x48300200 0x100>;
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ti,hwmods = "ehrpwm0";
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};
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ehrpwm0: ehrpwm@0 { /* EHRPWM on da850 */
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compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm";
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#pwm-cells = <3>;
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reg = <0x300000 0x2000>;
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};
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