The LED1202 is a 12-channel low quiescent current LED driver with: * Supply range from 2.6 V to 5 V * 20 mA current capability per channel * 1.8 V compatible I2C control interface * 8-bit analog dimming individual control * 12-bit local PWM resolution * 8 programmable patterns If the led node is present in the controller then the channel is set to active. v1: https://lore.kernel.org/lkml/ZnCnnQfwuRueCIQ0@admins-Air/T/ v2: https://lore.kernel.org/all/ZniNdGgKyUMV-hjq@admins-Air/T/ v3: https://lore.kernel.org/all/ZniNdGgKyUMV-hjq@admins-Air/T/ Signed-off-by: Vicentiu Galanopulo <vicentiu.galanopulo@xxxxxxxxxxxxxxxxx> --- Changes in v4: - remove label property, use devm_led_classdev_register_ext instead - use as base patch the v3 Changes in v3: - remove active property Changes in v2: - renamed label to remove color from it - add color property for each node - add function and function-enumerator property for each node --- .../devicetree/bindings/leds/st,led1202.yaml | 132 ++++++++++++++++++ 1 file changed, 132 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/st,led1202.yaml diff --git a/Documentation/devicetree/bindings/leds/st,led1202.yaml b/Documentation/devicetree/bindings/leds/st,led1202.yaml new file mode 100644 index 000000000000..7e49e6464d41 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/st,led1202.yaml @@ -0,0 +1,132 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/st,led1202.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ST LED1202 LED controllers + +maintainers: + - Vicentiu Galanopulo <vicentiu.galanopulo@xxxxxxxxxxxxxxxxx> + +description: | + The LED1202 is a 12-channel low quiescent current LED controller + programmable via I2C; The output current can be adjusted separately + for each channel by 8-bit analog and 12-bit digital dimming control. + Datasheet available at + https://www.st.com/en/power-management/led1202.html + +properties: + compatible: + const: st,led1202 + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^led@[0-9a-f]$": + type: object + $ref: common.yaml# + unevaluatedProperties: false + + properties: + reg: + minimum: 0 + maximum: 11 + + required: + - reg + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/leds/common.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@58 { + compatible = "st,led1202"; + reg = <0x58>; + #address-cells = <1>; + #size-cells = <0>; + + led@0 { + reg = <0x0>; + function = LED_FUNCTION_STATUS; + color = <LED_COLOR_ID_RED>; + function-enumerator = <1>; + }; + + led@1 { + reg = <0x1>; + function = LED_FUNCTION_STATUS; + color = <LED_COLOR_ID_GREEN>; + function-enumerator = <2>; + }; + + led@2 { + reg = <0x2>; + function = LED_FUNCTION_STATUS; + color = <LED_COLOR_ID_BLUE>; + function-enumerator = <3>; + }; + + led@3 { + reg = <0x3>; + function = LED_FUNCTION_STATUS; + color = <LED_COLOR_ID_RED>; + function-enumerator = <4>; + }; + + led@4 { + reg = <0x4>; + function = LED_FUNCTION_STATUS; + color = <LED_COLOR_ID_GREEN>; + function-enumerator = <5>; + }; + + led@5 { + reg = <0x5>; + function = LED_FUNCTION_STATUS; + color = <LED_COLOR_ID_BLUE>; + function-enumerator = <6>; + }; + + led@6 { + reg = <0x6>; + function = LED_FUNCTION_STATUS; + color = <LED_COLOR_ID_RED>; + function-enumerator = <7>; + }; + + led@7 { + reg = <0x7>; + function = LED_FUNCTION_STATUS; + color = <LED_COLOR_ID_GREEN>; + function-enumerator = <8>; + }; + + led@8 { + reg = <0x8>; + function = LED_FUNCTION_STATUS; + color = <LED_COLOR_ID_BLUE>; + function-enumerator = <9>; + }; + }; + }; +... -- 2.25.1
