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dt-bindings: leds: as3645: Convert to DT schema
Convert the ams,as3645a.txt to DT Schema format. Signed-off-by: Harrison Carter <hcarter@thegoodpenguin.co.uk> Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org> Signed-off-by: Lee Jones <lee@kernel.org>
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Harrison Carter
Lee Jones
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Analog devices AS3645A device tree bindings
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The AS3645A flash LED controller can drive two LEDs, one high current
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flash LED and one indicator LED. The high current flash LED can be
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used in torch mode as well.
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Ranges below noted as [a, b] are closed ranges between a and b, i.e. a
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and b are included in the range.
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Please also see common.txt in the same directory.
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Required properties
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===================
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compatible : Must be "ams,as3645a".
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reg : The I2C address of the device. Typically 0x30.
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#address-cells : 1
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#size-cells : 0
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Required properties of the flash child node (0)
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===============================================
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reg: 0
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flash-timeout-us: Flash timeout in microseconds. The value must be in
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the range [100000, 850000] and divisible by 50000.
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flash-max-microamp: Maximum flash current in microamperes. Has to be
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in the range between [200000, 500000] and
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divisible by 20000.
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led-max-microamp: Maximum torch (assist) current in microamperes. The
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value must be in the range between [20000, 160000] and
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divisible by 20000.
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ams,input-max-microamp: Maximum flash controller input current. The
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value must be in the range [1250000, 2000000]
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and divisible by 50000.
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Optional properties of the flash child node
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===========================================
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function : See Documentation/devicetree/bindings/leds/common.txt.
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color : See Documentation/devicetree/bindings/leds/common.txt.
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label : See Documentation/devicetree/bindings/leds/common.txt (deprecated).
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Required properties of the indicator child node (1)
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===================================================
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reg: 1
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led-max-microamp: Maximum indicator current. The allowed values are
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2500, 5000, 7500 and 10000.
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Optional properties of the indicator child node
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===============================================
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function : See Documentation/devicetree/bindings/leds/common.txt.
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color : See Documentation/devicetree/bindings/leds/common.txt.
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label : See Documentation/devicetree/bindings/leds/common.txt (deprecated).
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Example
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=======
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#include <dt-bindings/leds/common.h>
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as3645a@30 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0x30>;
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compatible = "ams,as3645a";
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led@0 {
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reg = <0x0>;
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flash-timeout-us = <150000>;
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flash-max-microamp = <320000>;
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led-max-microamp = <60000>;
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ams,input-max-microamp = <1750000>;
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function = LED_FUNCTION_FLASH;
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};
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led@1 {
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reg = <0x1>;
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led-max-microamp = <10000>;
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function = LED_FUNCTION_INDICATOR;
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};
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};
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130
Documentation/devicetree/bindings/leds/ams,as3645a.yaml
Normal file
130
Documentation/devicetree/bindings/leds/ams,as3645a.yaml
Normal file
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/leds/ams,as3645a.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Analog Devices AS3645A LED Controller
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maintainers:
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- Sakari Ailus <sakari.ailus@iki.fi>
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description:
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The AS3645A flash LED controller can drive two LEDs, one
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high current flash LED and one indicator LED. The high
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current flash LED can be used in torch mode as well.
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properties:
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compatible:
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const: ams,as3645a
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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reg:
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maxItems: 1
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led@0:
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description: led0 describes the 'flash' feature
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type: object
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$ref: common.yaml#
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unevaluatedProperties: false
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properties:
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reg:
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const: 0
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flash-timeout-us:
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minimum: 100000
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maximum: 850000
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multipleOf: 50000
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flash-max-microamp:
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minimum: 200000
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maximum: 500000
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multipleOf: 20000
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led-max-microamp:
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minimum: 20000
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maximum: 160000
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multipleOf: 20000
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description:
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Maximum current when in torch (assist) mode.
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ams,input-max-microamp:
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minimum: 1250000
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maximum: 2000000
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multipleOf: 50000
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required:
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- reg
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- flash-timeout-us
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- flash-max-microamp
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- led-max-microamp
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- ams,input-max-microamp
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led@1:
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description: led1 describes the 'indicator' feature
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type: object
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$ref: common.yaml#
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unevaluatedProperties: false
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properties:
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reg:
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const: 1
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led-max-microamp:
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enum:
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- 2500
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- 5000
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- 7500
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- 10000
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description:
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Maximum indicator current.
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required:
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- reg
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- led-max-microamp
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required:
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- compatible
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- reg
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- "#size-cells"
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- "#address-cells"
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/leds/common.h>
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i2c{
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#address-cells = <1>;
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#size-cells = <0>;
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led-controller@30 {
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compatible = "ams,as3645a";
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0x30>;
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led@0 {
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reg = <0>;
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flash-timeout-us = <150000>;
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flash-max-microamp = <320000>;
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led-max-microamp = <60000>;
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ams,input-max-microamp = <1750000>;
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function = LED_FUNCTION_FLASH;
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};
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led@1 {
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reg = <1>;
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led-max-microamp = <10000>;
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function = LED_FUNCTION_INDICATOR;
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};
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};
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};
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...
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