On 24/08/15 11:27, Florian Fainelli wrote:
> Add a binding documentation for the Broadcom BCM7038 PWM controller found in
> BCM7xxx chips.
Got to think about this some more, I will just remove the optional
"clocks" phandle, since the PWM block really needs a input clock to
operate, will respin a v3 with these changes shortly.
>
> Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
> ---
> .../devicetree/bindings/pwm/brcm,bcm7038-pwm.txt | 22 ++++++++++++++++++++++
> 1 file changed, 22 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt
>
> diff --git a/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt b/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt
> new file mode 100644
> index 000000000000..8b9bc43b561e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt
> @@ -0,0 +1,22 @@
> +Broadcom BCM7038 PWM controller (BCM7xxx Set Top Box PWM controller)
> +
> +Required properties:
> +
> +- compatible: must be "brcm,bcm7038-pwm"
> +- reg: physical base address and length for this controller
> +- #pwm-cells: should be 2. See pwm.txt in this directory for a description
> + of the cells format.
> +
> +Optional properties:
> +
> +- clocks: a phandle to the reference clock for this block which is fed through
> + its internal variable clock frequency generator
> +
> +Example:
> +
> + pwm: pwm@f0408000 {
> + compatible = "brcm,bcm7038-pwm";
> + reg = <0xf0408000 0x28>;
> + #pwm-cells = <2>;
> + clocks = <&upg_fixed>;
> + };
>
--
Florian
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