On Tue, Dec 13, 2016 at 5:11 AM, Lee Jones <lee.jones@xxxxxxxxxx> wrote:
> On Mon, 12 Dec 2016, Rob Herring wrote:
>
>> On Fri, Dec 09, 2016 at 03:15:14PM +0100, Benjamin Gaignard wrote:
>> > Define bindings for pwm-stm32
>> >
>> > version 6:
>> > - change st,breakinput parameter format to make it usuable on stm32f7 too.
>> >
>> > version 2:
>> > - use parameters instead of compatible of handle the hardware configuration
>> >
>> > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxx>
>> > ---
>> > .../devicetree/bindings/pwm/pwm-stm32.txt | 33 ++++++++++++++++++++++
>> > 1 file changed, 33 insertions(+)
>> > create mode 100644 Documentation/devicetree/bindings/pwm/pwm-stm32.txt
>> >
>> > diff --git a/Documentation/devicetree/bindings/pwm/pwm-stm32.txt b/Documentation/devicetree/bindings/pwm/pwm-stm32.txt
>> > new file mode 100644
>> > index 0000000..866f222
>> > --- /dev/null
>> > +++ b/Documentation/devicetree/bindings/pwm/pwm-stm32.txt
>> > @@ -0,0 +1,33 @@
>> > +STMicroelectronics STM32 Timers PWM bindings
>> > +
>> > +Must be a sub-node of an STM32 Timers device tree node.
>> > +See ../mfd/stm32-timers.txt for details about the parent node.
>> > +
>> > +Required parameters:
>> > +- compatible: Must be "st,stm32-pwm".
>> > +- pinctrl-names: Set to "default".
>> > +- pinctrl-0: List of phandles pointing to pin configuration nodes for PWM module.
>> > + For Pinctrl properties see ../pinctrl/pinctrl-bindings.txt
>> > +
>> > +Optional parameters:
>> > +- st,breakinput: Arrays of three u32 <index level filter> to describe break input configurations.
>> > + "index" indicates on which break input the configuration should be applied.
>> > + "level" gives the active level (0=low or 1=high) for this configuration.
>> > + "filter" gives the filtering value to be applied.
>> > +
>> > +Example:
>> > + timers@40010000 {
>>
>> timer@...
>
> No, it should be timers.
Read the spec. "timer" is a generic node name. "timers" is not. How
many is not relevant.
> The 's' is intentional, since this parent (MFD) device houses 3
> different types of timers. The "timer" node is a child of this one.
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