The BCT3024 chip is an I2C LED driver with independent 24 output channels. Each channel supports 256 levels. Signed-off-by: Matus Gajdos <matuszpd@xxxxxxxxx> --- .../bindings/leds/broadchip,bct3024.yaml | 89 +++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/broadchip,bct3024.yaml diff --git a/Documentation/devicetree/bindings/leds/broadchip,bct3024.yaml b/Documentation/devicetree/bindings/leds/broadchip,bct3024.yaml new file mode 100644 index 000000000000..0d622894e79c --- /dev/null +++ b/Documentation/devicetree/bindings/leds/broadchip,bct3024.yaml @@ -0,0 +1,89 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/broadchip,bct3024.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadchip BCT3024 LED Driver + +maintainers: + - Matus Gajdos <matuszpd@xxxxxxxxx> + +description: | + The BCT3024 is an I2C LED driver with independent 24 output channels. Each + channel supports 256 levels and its output current can be scaled by a factor + of 1, 1/2, 1/3 and 1/4. + +properties: + compatible: + const: broadchip,bct3024 + + reg: + description: I2C slave address of the driver. + maxItems: 1 + + vdd-supply: + description: Regulator providing power to the VDD pin. + + shutdown-gpios: + maxItems: 1 + description: GPIO attached to the SDB pin. + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^led@[0-9a-f]+$": + type: object + $ref: common.yaml# + unevaluatedProperties: false + + properties: + reg: + description: Index of the LED channel. + minimum: 0 + maximum: 23 + +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@3c { + compatible = "broadchip,bct3024"; + reg = <0x3c>; + #address-cells = <1>; + #size-cells = <0>; + + vdd-supply = <®_3v3d>; + + led@0 { + reg = <0x00>; + function = LED_FUNCTION_INDICATOR; + color = <LED_COLOR_ID_RED>; + }; + + led@1 { + reg = <0x01>; + function = LED_FUNCTION_INDICATOR; + color = <LED_COLOR_ID_GREEN>; + }; + }; + }; + +... -- 2.25.1