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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-05-01 08:47:44 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-05-01 08:47:44 -0700 |
commit | bf61c8840efe60fd8f91446860b63338fb424158 (patch) | |
tree | 7a71832407a4f0d6346db773343f4c3ae2257b19 /Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt | |
parent | 5846115b30f3a881e542c8bfde59a699c1c13740 (diff) | |
parent | 0c6a61657da78098472fd0eb71cc01f2387fa1bb (diff) |
Merge branch 'next' into for-linus
Prepare first set of updates for 3.10 merge window.
Diffstat (limited to 'Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt')
-rw-r--r-- | Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt new file mode 100644 index 000000000000..4fc7079d822e --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt @@ -0,0 +1,23 @@ +TI SOC EHRPWM based PWM controller + +Required properties: +- compatible : Must be "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 + encode the polarity of PWM output. Set bit 0 of the third in PWM specifier + to 1 for inverse polarity & set to 0 for normal polarity. +- reg: physical base address and size of the registers map. + +Optional properties: +- ti,hwmods: Name of the hwmod associated to the EHRPWM: + "ehrpwm<x>", <x> being the 0-based instance number from the HW spec + +Example: + +ehrpwm0: ehrpwm@0 { + compatible = "ti,am33xx-ehrpwm"; + #pwm-cells = <3>; + reg = <0x48300200 0x100>; + ti,hwmods = "ehrpwm0"; +}; |