[PATCH 1/5] Documentation: dt: Add kona-pwm binding
Mark Rutland
mark.rutland at arm.com
Tue Nov 19 08:56:54 EST 2013
On Mon, Nov 18, 2013 at 06:54:57PM +0000, Tim Kryger wrote:
> Add the binding description for the kona-pwm block found on Broadcom's
> mobile SoCs.
>
> Signed-off-by: Tim Kryger <tim.kryger at linaro.org>
> Reviewed-by: Alex Elder <elder at linaro.org>
> Reviewed-by: Markus Mayer <markus.mayer at linaro.org>
> ---
> .../devicetree/bindings/pwm/bcm-kona-pwm.txt | 24 ++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt
>
> diff --git a/Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt b/Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt
> new file mode 100644
> index 0000000..5c3ea1b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt
> @@ -0,0 +1,24 @@
> +Broadcom's PWM Controller Device Tree bindings
> +
> +Broadcom's Kona PWM Controller has 6 channels
> +
> +Required Properties :
> +- compatible: should be "brcm,kona-pwm"
> +- reg: physical base address and length of the controller's registers
> +- clocks: clock specifier for the kona pwm external clock
Minor nit: phandle + clock-specifier pair
> +- #pwm-cells: should be 2. The first cell specifies the per-chip index
> + of the PWM to use and the second cell is the period in nanoseconds.
> +
> +Refer to pwm/pwm.txt for generic pwm controller node properties.
> +
> +Refer to clocks/clock-bindings.txt for generic clock consumer
> +properties
> +
> +Example:
> +
> +pwm: pwm at 3e01a000 {
> + compatible = "brcm,bcm11351-pwm", "brcm,kona-pwm";
> + reg = <0x3e01a000 0xc4>;
> + clocks = <&pwm_clk>;
> + #pwm-cells = <2>;
> +};
Otherwise this looks fine.
Mark.
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