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Diffstat (limited to 'Documentation/devicetree/bindings/leds/awinic,aw200xx.yaml')
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diff --git a/Documentation/devicetree/bindings/leds/awinic,aw200xx.yaml b/Documentation/devicetree/bindings/leds/awinic,aw200xx.yaml new file mode 100644 index 000000000000..54d6d1f08e24 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/awinic,aw200xx.yaml @@ -0,0 +1,173 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/awinic,aw200xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: AWINIC AW200XX LED + +maintainers: + - Martin Kurbanov <mmkurbanov@sberdevices.ru> + +description: | + It is a matrix LED driver programmed via an I2C interface. Devices have + a set of individually controlled leds and support 3 pattern controllers + for auto breathing or group dimming control. Supported devices: + - AW20036 (3x12) 36 LEDs + - AW20054 (6x9) 54 LEDs + - AW20072 (6x12) 72 LEDs + - AW20108 (9x12) 108 LEDs + + For more product information please see the link below: + aw20036 - https://www.awinic.com/en/productDetail/AW20036QNR#tech-docs + aw20054 - https://www.awinic.com/en/productDetail/AW20054QNR#tech-docs + aw20072 - https://www.awinic.com/en/productDetail/AW20072QNR#tech-docs + aw20108 - https://www.awinic.com/en/productDetail/AW20108QNR#tech-docs + +properties: + compatible: + enum: + - awinic,aw20036 + - awinic,aw20054 + - awinic,aw20072 + - awinic,aw20108 + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + enable-gpios: + maxItems: 1 + +patternProperties: + "^led@[0-9a-f]+$": + type: object + $ref: common.yaml# + unevaluatedProperties: false + + properties: + reg: + description: + LED number + maxItems: 1 + + led-max-microamp: + default: 9780 + description: | + Note that a driver will take the minimum of all LED limits + since the chip has a single global setting. + The maximum output current of each LED is calculated by the + following formula: + IMAXled = 160000 * (592 / 600.5) * (1 / max-current-switch-number) + And the minimum output current formula: + IMINled = 3300 * (592 / 600.5) * (1 / max-current-switch-number) + where max-current-switch-number is determinated by led configuration + and depends on how leds are physically connected to the led driver. + +allOf: + - if: + properties: + compatible: + contains: + const: awinic,aw20036 + then: + patternProperties: + "^led@[0-9a-f]+$": + properties: + reg: + items: + minimum: 0 + maximum: 36 + + - if: + properties: + compatible: + contains: + const: awinic,aw20054 + then: + patternProperties: + "^led@[0-9a-f]+$": + properties: + reg: + items: + minimum: 0 + maximum: 54 + + - if: + properties: + compatible: + contains: + const: awinic,aw20072 + then: + patternProperties: + "^led@[0-9a-f]+$": + properties: + reg: + items: + minimum: 0 + maximum: 72 + + - if: + properties: + compatible: + contains: + const: awinic,aw20108 + then: + patternProperties: + "^led@[0-9a-f]+$": + properties: + reg: + items: + minimum: 0 + maximum: 108 + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/leds/common.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@3a { + compatible = "awinic,aw20036"; + reg = <0x3a>; + #address-cells = <1>; + #size-cells = <0>; + enable-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>; + + led@0 { + reg = <0x0>; + color = <LED_COLOR_ID_RED>; + led-max-microamp = <9780>; + }; + + led@1 { + reg = <0x1>; + color = <LED_COLOR_ID_GREEN>; + led-max-microamp = <9780>; + }; + + led@2 { + reg = <0x2>; + color = <LED_COLOR_ID_BLUE>; + led-max-microamp = <9780>; + }; + }; + }; + +... |