On Tue, Jul 10, 2018 at 09:44:15AM +0000, Denis OSTERLAND wrote:
> From: Denis Osterland <Denis.Osterland@xxxxxxxxx>
>
> The devicetree documentation for the ISL1219 device tree
> binding is added with an short example. It is not a trivial
> device, because it supports two interrupt souces.
s/souces/sources/
>
> Signed-off-by: Denis Osterland <Denis.Osterland@xxxxxxxxx>
> ---
> .../devicetree/bindings/rtc/isil,isl1219.txt | 29 +++++++++++++++++++
> 1 file changed, 29 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/rtc/isil,isl1219.txt
>
> diff --git a/Documentation/devicetree/bindings/rtc/isil,isl1219.txt b/Documentation/devicetree/bindings/rtc/isil,isl1219.txt
> new file mode 100644
> index 000000000000..f26f1e9d4bde
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/isil,isl1219.txt
> @@ -0,0 +1,29 @@
> +Intersil ISL1219 I2C RTC/Alarm chip with event in
> +
> +ISL1219 has additional pins EVIN and #EVDET for tamper detection.
> +
> +Required properties supported by the device:
> +
> + - "compatible": must be "isil,isl1219"
> + - "reg": I2C bus address of the device
> +
> +Optional properties:
> +
> + - "interrupt-names": list which may contains "irq" and "evdet"
> + - "interrupt-parent", "interrupts", "interrupts-extended":
> + for passing the interrupt line of the SoC connected to #IRQ pin
> + and #EVDET pin of the RTC chip.
Just list 'interrupts' and how many there are. interrupt-parent is
implied and may be in a parent node. interrupts-extended is also
implicitly allowed as needed.
> + - "isil,ev-evienb": if present bit can be set to disable event input pull-up
> +
> +
> +Example isl1219 node with #IRQ pin connected to SoC gpio1 pin12
> + and #EVDET pin connected to SoC gpio2 pin 24:
> +
> + isl1219: rtc@68 {
> + compatible = "isil,isl1219";
> + reg = <0x68>;
> + interrupt-names = "irq", "evdet";
> + interrupts-extended = <&gpio1 12 IRQ_TYPE_EDGE_FALLING>,
> + <&gpio2 24 IRQ_TYPE_EDGE_FALLING>;
> + };
> +
> --
> 2.18.0
>
>
>
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