On 03/17/2015 05:45 PM, Ingi Kim wrote:
> This patch adds the device tree bindings for ktd2692 flash LEDs.
> Add optional properties 'flash-timeout-us' to control flash timeout
> and 'vin-supply' for flash-led regulator
>
> Signed-off-by: Ingi Kim <[email protected]>
> ---
> .../devicetree/bindings/leds/leds-ktd2692.txt | 37
> ++++++++++++++++++++++
> 1 file changed, 37 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/leds/leds-ktd2692.txt
>
> diff --git a/Documentation/devicetree/bindings/leds/leds-ktd2692.txt
> b/Documentation/devicetree/bindings/leds/leds-ktd2692.txt
> new file mode 100644
> index 0000000..1b44225
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/leds-ktd2692.txt
> @@ -0,0 +1,37 @@
> +* Kinetic Technologies - KTD2692 Flash LED Driver
> +
> +KTD2692 is the ideal power solution for high-power flash LEDs.
> +It uses ExpressWire single-wire programming for maximum flexibility.
> +
> +The ExpressWire interface through CTRL pin can control LED on/off and
> +enable/disable the IC, Movie/Flash mode current, Flash timeout,
> +LVP(low voltage protection).
> +
> +Required properties:
> + - compatible: "kinetic,ktd2692"
> + - ctrl-gpio : gpio pin in order control ktd2692 flash led.
> + There is an internal 300kOhm pull-down resistor at this pin
> + - supply : "vin" LED supply
> +
> +Optional property:
> + - flash-timeout-us : Maximum flash timeout in microseconds.
> + flash timeout ranges from 0 to 1835000us and
> + default is 1049000us.
> +
> +Example:
> +
> +vbat: fixedregulator@0 {
> + compatible = "regulator-fixed";
> + regulator-name = "vbat-supply";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <>;
gpio = <> ? What do you mean?
And this is described at
Documentation/devicetree/bindings/regulator/fixed-regulator.txt
I'm not sure whether this example really needs.
Best Regards,
Jaehoon Chung
> + regulator-always-on;
> +};
> +
> +flash-led {
> + compatible = "kinetic,ktd2692";
> + ctrl-gpio = <&gpc0 1 0>;
> + flash-timeout-us = <1835000>;
> + vin-supply = <&vbat>;
> +};
>
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