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authorMark Brown <broonie@kernel.org>2026-05-29 22:42:56 +0100
committerMark Brown <broonie@kernel.org>2026-05-29 22:42:56 +0100
commitbe52401e64d27d60b4055e746a6236457ea66c61 (patch)
tree4be6a420c42751f31300443d919b158bbcf578df /Documentation
parentb27cc8193009f513e97e0f02bed4f7ba1a9a4710 (diff)
parentacea35b567d0f610d533ca661f4106ac12583f78 (diff)
downloadlinux-next-history-be52401e64d27d60b4055e746a6236457ea66c61.tar.gz
Merge branch 'for-backlight-next' of https://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight.git
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/leds/backlight/maxim,max25014.yaml83
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diff --git a/Documentation/devicetree/bindings/leds/backlight/maxim,max25014.yaml b/Documentation/devicetree/bindings/leds/backlight/maxim,max25014.yaml
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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/backlight/maxim,max25014.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim max25014 backlight controller
+
+maintainers:
+ - Maud Spierings <maudspierings@gocontroll.com>
+
+properties:
+ compatible:
+ enum:
+ - maxim,max25014
+
+ reg:
+ maxItems: 1
+
+ default-brightness:
+ minimum: 0
+ maximum: 100
+ default: 50
+
+ enable-gpios:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ power-supply:
+ description: Regulator which controls the boost converter input rail.
+
+ pwms:
+ maxItems: 1
+
+ maxim,iset:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ maximum: 15
+ default: 11
+ description:
+ Value of the ISET field in the ISET register. This controls the current
+ scale of the outputs, a higher number means more current.
+
+ maxim,strings:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ description:
+ A 4-bit bitfield that describes which led strings to turn on.
+ minItems: 4
+ maxItems: 4
+ items:
+ maximum: 1
+ default:
+ [1 1 1 1]
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ backlight@6f {
+ compatible = "maxim,max25014";
+ reg = <0x6f>;
+ default-brightness = <50>;
+ enable-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+ power-supply = <&reg_backlight>;
+ pwms = <&pwm1>;
+ maxim,iset = <7>;
+ maxim,strings = <1 1 1 0>;
+ };
+ };