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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/issi,is31fl319x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ISSI LED Controllers for IS31FL319{0,1,3,6,9}
+
+maintainers:
+ - Vincent Knecht <vincent.knecht@mailoo.org>
+
+description: |
+ The IS31FL319X are LED controllers with I2C interface.
+ Previously known as Si-En SN319{0,1,3,6,9}.
+
+ For more product information please see the links below:
+ https://lumissil.com/assets/pdf/core/IS31FL3190_DS.pdf
+ https://lumissil.com/assets/pdf/core/IS31FL3191_DS.pdf
+ https://lumissil.com/assets/pdf/core/IS31FL3193_DS.pdf
+ https://lumissil.com/assets/pdf/core/IS31FL3196_DS.pdf
+ https://lumissil.com/assets/pdf/core/IS31FL3199_DS.pdf
+
+properties:
+ compatible:
+ enum:
+ - issi,is31fl3190
+ - issi,is31fl3191
+ - issi,is31fl3193
+ - issi,is31fl3196
+ - issi,is31fl3199
+ - si-en,sn3190
+ - si-en,sn3191
+ - si-en,sn3193
+ - si-en,sn3196
+ - si-en,sn3199
+
+ reg:
+ maxItems: 1
+
+ shutdown-gpios:
+ maxItems: 1
+ description: GPIO attached to the SDB pin.
+
+ audio-gain-db:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ default: 0
+ description: Audio gain selection for external analog modulation input.
+ enum: [0, 3, 6, 9, 12, 15, 18, 21]
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+patternProperties:
+ "^led@[1-9]$":
+ type: object
+ $ref: common.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ reg:
+ description: Index of the LED.
+ minimum: 1
+ maximum: 9
+
+ led-max-microamp:
+ description:
+ Note that a driver will take the lowest of all LED limits
+ since the chip has a single global setting. The lowest value
+ will be chosen due to the PWM specificity, where lower
+ brightness is achieved by reducing the duty-cycle of pulses
+ and not the current, which will always have its peak value
+ equal to led-max-microamp.
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - issi,is31fl3190
+ - issi,is31fl3191
+ - issi,is31fl3193
+ - si-en,sn3190
+ - si-en,sn3191
+ - si-en,sn3193
+ then:
+ properties:
+ reg:
+ enum: [0x68, 0x69, 0x6a, 0x6b]
+
+ audio-gain-db: false
+
+ patternProperties:
+ "^led@[1-9]$":
+ properties:
+ led-max-microamp:
+ default: 42000
+ enum: [5000, 10000, 17500, 30000, 42000]
+ else:
+ properties:
+ reg:
+ enum: [0x64, 0x65, 0x66, 0x67]
+
+ patternProperties:
+ "^led@[1-9]$":
+ properties:
+ led-max-microamp:
+ default: 20000
+ enum: [5000, 10000, 15000, 20000, 25000, 30000, 35000, 40000]
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - issi,is31fl3190
+ - issi,is31fl3191
+ - si-en,sn3190
+ - si-en,sn3191
+ then:
+ patternProperties:
+ "^led@[1-9]$":
+ properties:
+ reg:
+ maximum: 1
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - issi,is31fl3193
+ - si-en,sn3193
+ then:
+ patternProperties:
+ "^led@[1-9]$":
+ properties:
+ reg:
+ maximum: 3
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - issi,is31fl3196
+ - si-en,sn3196
+ then:
+ patternProperties:
+ "^led@[1-9]$":
+ properties:
+ reg:
+ maximum: 6
+
+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@65 {
+ compatible = "issi,is31fl3196";
+ reg = <0x65>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ shutdown-gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;
+
+ led@1 {
+ reg = <1>;
+ label = "red:aux";
+ led-max-microamp = <10000>;
+ };
+
+ led@5 {
+ reg = <5>;
+ label = "green:power";
+ linux,default-trigger = "default-on";
+ };
+ };
+ };
+...
+