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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/leds/leds-lt3593.txt | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/leds/leds-lt3593.txt | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/leds/leds-lt3593.txt b/Documentation/devicetree/bindings/leds/leds-lt3593.txt new file mode 100644 index 000000000..24eccdaa6 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-lt3593.txt @@ -0,0 +1,37 @@ +Bindings for Linear Technologies LT3593 LED controller + +Required properties: +- compatible: Should be "lltc,lt3593". +- lltc,ctrl-gpios: A handle to the GPIO that is connected to the 'CTRL' + pin of the chip. + +The hardware supports only one LED. The properties of this LED are +configured in a sub-node in the device node. + +Optional sub-node properties: +- function: See Documentation/devicetree/bindings/leds/common.txt +- color: See Documentation/devicetree/bindings/leds/common.txt +- label: A label for the LED. If none is given, the LED will be + named "lt3595::" (deprecated) +- linux,default-trigger: The default trigger for the LED. + See Documentation/devicetree/bindings/leds/common.txt +- default-state: The initial state of the LED. + See Documentation/devicetree/bindings/leds/common.txt + +If multiple chips of this type are found in a design, each one needs to +be handled by its own device node. + +Example: + +#include <dt-bindings/leds/common.h> + +led-controller { + compatible = "lltc,lt3593"; + lltc,ctrl-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>; + + led { + function = LED_FUNCTION_BACKLIGHT; + color = <LED_COLOR_ID_WHITE>; + default-state = "on"; + }; +}; |