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Diffstat (limited to 'Documentation/devicetree/bindings/leds/nxp,pca953x.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/leds/nxp,pca953x.yaml | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/leds/nxp,pca953x.yaml b/Documentation/devicetree/bindings/leds/nxp,pca953x.yaml new file mode 100644 index 000000000000..9610bca57dd5 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/nxp,pca953x.yaml @@ -0,0 +1,94 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/nxp,pca953x.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP PCA9532 LED Dimmer + +maintainers: + - Riku Voipio <riku.voipio@iki.fi> + +description: | + The PCA9532 family is SMBus I/O expander optimized for dimming LEDs. + The PWM support 256 steps. + + For more product information please see the link below: + https://www.nxp.com/docs/en/data-sheet/PCA9532.pdf + +properties: + compatible: + enum: + - nxp,pca9530 + - nxp,pca9531 + - nxp,pca9532 + - nxp,pca9533 + + reg: + maxItems: 1 + + gpio-controller: true + + gpio-line-names: + minItems: 1 + maxItems: 16 + + '#gpio-cells': + const: 2 + +patternProperties: + "^led-[0-9a-z]+$": + type: object + $ref: common.yaml# + unevaluatedProperties: false + + properties: + type: + description: | + Output configuration, see include/dt-bindings/leds/leds-pca9532.h + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0 + minimum: 0 + maximum: 4 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/leds/leds-pca9532.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@62 { + compatible = "nxp,pca9533"; + reg = <0x62>; + + led-1 { + label = "pca:red:power"; + type = <PCA9532_TYPE_LED>; + }; + + led-2 { + label = "pca:green:power"; + type = <PCA9532_TYPE_LED>; + }; + + led-3 { + type = <PCA9532_TYPE_LED>; + default-state = "on"; + }; + + led-4 { + type = <PCA9532_TYPE_LED>; + default-state = "keep"; + }; + }; + }; + +... |