On Fri, Nov 20, 2015 at 03:28:37AM +0200, Vladimir Zapolskiy wrote:
> NXP LPC32xx has three wakeup controllers of two types, this
> descriptions defines DT bindings of wakeup controllers connected to
> MIC, SIC1 and SIC2 interrupt controllers.
>
> Signed-off-by: Vladimir Zapolskiy <vz@xxxxxxxxx>
> ---
> .../bindings/arm/nxp/nxp,lpc3220-wakeup.txt | 41 ++++++++++++++++++++++
> 1 file changed, 41 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/nxp/nxp,lpc3220-wakeup.txt
>
> diff --git a/Documentation/devicetree/bindings/arm/nxp/nxp,lpc3220-wakeup.txt b/Documentation/devicetree/bindings/arm/nxp/nxp,lpc3220-wakeup.txt
> new file mode 100644
> index 0000000..803728f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/nxp/nxp,lpc3220-wakeup.txt
> @@ -0,0 +1,41 @@
> +NXP LPC32xx Wakeup Controller
> +
> +Required properties:
> +- compatible: should be "nxp,lpc3220-wakeup"
> +- reg: should contain wakeup controller registers location and length
> +- #wakeup-cells: must be 2, the first cell describes wakeup source on
> + the controller, the second cell is a hardware interrupt number on IC.
This probably needs to be done differently. For one, we already have a
common property "wakeup-source" with different meaning.
Marc, Is there an example of using stacked irqdomain and mapping of irq
numbers to wakeup numbers?
Rob
> +
> +Examples:
> +
> + /* System Control Block */
> + scb {
> + compatible = "simple-bus";
> + ranges = <0x0 0x040004000 0x00001000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + wakeup_int: wakeup-controller@20 {
> + compatible = "nxp,lpc3220-wakeup";
> + reg = <0x20 0x10>;
> + #wakeup-cells = <2>;
> + };
> +
> + wakeup_pin: wakeup-controller@30 {
> + compatible = "nxp,lpc3220-wakeup";
> + reg = <0x30 0x10>;
> + #wakeup-cells = <2>;
> + };
> + };
> +
> + /* Main Interrupt Controller */
> + mic: interrupt-controller@40008000 {
> + compatible = "nxp,lpc3220-mic";
> + reg = <0x40008000 0x4000>;
> + interrupt-controller;
> + interrupt-controller-name = "mic";
> + #interrupt-cells = <2>;
> +
> + wakeup-sources = <&wakeup_int 7 29>,
> + <&wakeup_int 25 27>;
> + };
> --
> 2.1.4
>
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