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.gaign...@st.com>
> ---
> .../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@...
With that,
Acked-by: Rob Herring <r...@kernel.org>
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "st,stm32-timers";
> + reg = <0x40010000 0x400>;
> + clocks = <&rcc 0 160>;
> + clock-names = "clk_int";
> +
> + pwm {
> + compatible = "st,stm32-pwm";
> + pinctrl-0 = <&pwm1_pins>;
> + pinctrl-names = "default";
> + st,breakinput = <0 1 5>;
> + };
> + };
> --
> 1.9.1
>
