diff options
| author | Alexander Shiyan <shc_work@mail.ru> | 2014-03-12 19:53:05 +0400 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2014-03-19 00:15:16 +0400 |
| commit | 7eb3f6ffb5c3635e8cc5df7b19741b4bfc5894f5 (patch) | |
| tree | 1fc37173d371c507c996ad8fb984c7ac81585171 /Documentation | |
| parent | 916030db4399f9237beef480fee6b11dd83cacd5 (diff) | |
| download | linux-7eb3f6ffb5c3635e8cc5df7b19741b4bfc5894f5.tar.xz | |
pwm: Add CLPS711X PWM support
Add a new driver for the ARM CLPS711X Pulse Width Modulator (PWM) interface.
This CPU contain two 4-bit PWM outputs with constant period, based on CPU
PLL frequency. PWM polarity is determined by hardware by power on reset.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/cirrus,clps711x-pwm.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pwm/cirrus,clps711x-pwm.txt b/Documentation/devicetree/bindings/pwm/cirrus,clps711x-pwm.txt new file mode 100644 index 000000000000..a183db48f910 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/cirrus,clps711x-pwm.txt @@ -0,0 +1,16 @@ +* Cirris Logic CLPS711X PWM controller + +Required properties: +- compatible: Shall contain "cirrus,clps711x-pwm". +- reg: Physical base address and length of the controller's registers. +- clocks: phandle + clock specifier pair of the PWM reference clock. +- #pwm-cells: Should be 1. The cell specifies the index of the channel. + +Example: + pwm: pwm@80000400 { + compatible = "cirrus,ep7312-pwm", + "cirrus,clps711x-pwm"; + reg = <0x80000400 0x4>; + clocks = <&clks 8>; + #pwm-cells = <1>; + }; |