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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/leds/issi,is31fl319x.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: ISSI LED Controllers for IS31FL319{0,1,3,6,9}8 9maintainers:10 - Vincent Knecht <vincent.knecht@mailoo.org>11 12description: |13 The IS31FL319X are LED controllers with I2C interface.14 Previously known as Si-En SN319{0,1,3,6,9}.15 16 For more product information please see the links below:17 https://lumissil.com/assets/pdf/core/IS31FL3190_DS.pdf18 https://lumissil.com/assets/pdf/core/IS31FL3191_DS.pdf19 https://lumissil.com/assets/pdf/core/IS31FL3193_DS.pdf20 https://lumissil.com/assets/pdf/core/IS31FL3196_DS.pdf21 https://lumissil.com/assets/pdf/core/IS31FL3199_DS.pdf22 23properties:24 compatible:25 enum:26 - issi,is31fl319027 - issi,is31fl319128 - issi,is31fl319329 - issi,is31fl319630 - issi,is31fl319931 - si-en,sn319032 - si-en,sn319133 - si-en,sn319334 - si-en,sn319635 - si-en,sn319936 37 reg:38 maxItems: 139 40 shutdown-gpios:41 maxItems: 142 description: GPIO attached to the SDB pin.43 44 audio-gain-db:45 $ref: /schemas/types.yaml#/definitions/uint3246 default: 047 description: Audio gain selection for external analog modulation input.48 enum: [0, 3, 6, 9, 12, 15, 18, 21]49 50 "#address-cells":51 const: 152 53 "#size-cells":54 const: 055 56patternProperties:57 "^led@[1-9]$":58 type: object59 $ref: common.yaml#60 unevaluatedProperties: false61 62 properties:63 reg:64 description: Index of the LED.65 minimum: 166 maximum: 967 68 led-max-microamp:69 description:70 Note that a driver will take the lowest of all LED limits71 since the chip has a single global setting. The lowest value72 will be chosen due to the PWM specificity, where lower73 brightness is achieved by reducing the duty-cycle of pulses74 and not the current, which will always have its peak value75 equal to led-max-microamp.76 77allOf:78 - if:79 properties:80 compatible:81 contains:82 enum:83 - issi,is31fl319084 - issi,is31fl319185 - issi,is31fl319386 - si-en,sn319087 - si-en,sn319188 - si-en,sn319389 then:90 properties:91 reg:92 enum: [0x68, 0x69, 0x6a, 0x6b]93 94 audio-gain-db: false95 96 patternProperties:97 "^led@[1-9]$":98 properties:99 led-max-microamp:100 default: 42000101 enum: [5000, 10000, 17500, 30000, 42000]102 else:103 properties:104 reg:105 enum: [0x64, 0x65, 0x66, 0x67]106 107 patternProperties:108 "^led@[1-9]$":109 properties:110 led-max-microamp:111 default: 20000112 enum: [5000, 10000, 15000, 20000, 25000, 30000, 35000, 40000]113 - if:114 properties:115 compatible:116 contains:117 enum:118 - issi,is31fl3190119 - issi,is31fl3191120 - si-en,sn3190121 - si-en,sn3191122 then:123 patternProperties:124 "^led@[1-9]$":125 properties:126 reg:127 maximum: 1128 - if:129 properties:130 compatible:131 contains:132 enum:133 - issi,is31fl3193134 - si-en,sn3193135 then:136 patternProperties:137 "^led@[1-9]$":138 properties:139 reg:140 maximum: 3141 - if:142 properties:143 compatible:144 contains:145 enum:146 - issi,is31fl3196147 - si-en,sn3196148 then:149 patternProperties:150 "^led@[1-9]$":151 properties:152 reg:153 maximum: 6154 155required:156 - compatible157 - reg158 - "#address-cells"159 - "#size-cells"160 161additionalProperties: false162 163examples:164 - |165 #include <dt-bindings/gpio/gpio.h>166 #include <dt-bindings/leds/common.h>167 168 i2c {169 #address-cells = <1>;170 #size-cells = <0>;171 172 led-controller@65 {173 compatible = "issi,is31fl3196";174 reg = <0x65>;175 #address-cells = <1>;176 #size-cells = <0>;177 178 shutdown-gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;179 180 led@1 {181 reg = <1>;182 label = "red:aux";183 led-max-microamp = <10000>;184 };185 186 led@5 {187 reg = <5>;188 label = "green:power";189 linux,default-trigger = "default-on";190 };191 };192 };193...194 195