1dbc801b4SVincent Knecht# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2dbc801b4SVincent Knecht%YAML 1.2 3dbc801b4SVincent Knecht--- 4dbc801b4SVincent Knecht$id: http://devicetree.org/schemas/leds/issi,is31fl319x.yaml# 5dbc801b4SVincent Knecht$schema: http://devicetree.org/meta-schemas/core.yaml# 6dbc801b4SVincent Knecht 73367934dSKrzysztof Kozlowskititle: ISSI LED Controllers for IS31FL319{0,1,3,6,9} 8dbc801b4SVincent Knecht 9dbc801b4SVincent Knechtmaintainers: 10dbc801b4SVincent Knecht - Vincent Knecht <vincent.knecht@mailoo.org> 11dbc801b4SVincent Knecht 12dbc801b4SVincent Knechtdescription: | 13dbc801b4SVincent Knecht The IS31FL319X are LED controllers with I2C interface. 14dbc801b4SVincent Knecht Previously known as Si-En SN319{0,1,3,6,9}. 15dbc801b4SVincent Knecht 16dbc801b4SVincent Knecht For more product information please see the links below: 17dbc801b4SVincent Knecht https://lumissil.com/assets/pdf/core/IS31FL3190_DS.pdf 18dbc801b4SVincent Knecht https://lumissil.com/assets/pdf/core/IS31FL3191_DS.pdf 19dbc801b4SVincent Knecht https://lumissil.com/assets/pdf/core/IS31FL3193_DS.pdf 20dbc801b4SVincent Knecht https://lumissil.com/assets/pdf/core/IS31FL3196_DS.pdf 21dbc801b4SVincent Knecht https://lumissil.com/assets/pdf/core/IS31FL3199_DS.pdf 22dbc801b4SVincent Knecht 23dbc801b4SVincent Knechtproperties: 24dbc801b4SVincent Knecht compatible: 25dbc801b4SVincent Knecht enum: 26dbc801b4SVincent Knecht - issi,is31fl3190 27dbc801b4SVincent Knecht - issi,is31fl3191 28dbc801b4SVincent Knecht - issi,is31fl3193 29dbc801b4SVincent Knecht - issi,is31fl3196 30dbc801b4SVincent Knecht - issi,is31fl3199 31fce43d8fSVincent Knecht - si-en,sn3190 32fce43d8fSVincent Knecht - si-en,sn3191 33fce43d8fSVincent Knecht - si-en,sn3193 34fce43d8fSVincent Knecht - si-en,sn3196 35dbc801b4SVincent Knecht - si-en,sn3199 36dbc801b4SVincent Knecht 37dbc801b4SVincent Knecht reg: 38dbc801b4SVincent Knecht maxItems: 1 39dbc801b4SVincent Knecht 40dbc801b4SVincent Knecht shutdown-gpios: 41dbc801b4SVincent Knecht maxItems: 1 42dbc801b4SVincent Knecht description: GPIO attached to the SDB pin. 43dbc801b4SVincent Knecht 44dbc801b4SVincent Knecht audio-gain-db: 45dbc801b4SVincent Knecht $ref: /schemas/types.yaml#/definitions/uint32 46dbc801b4SVincent Knecht default: 0 47dbc801b4SVincent Knecht description: Audio gain selection for external analog modulation input. 48dbc801b4SVincent Knecht enum: [0, 3, 6, 9, 12, 15, 18, 21] 49dbc801b4SVincent Knecht 50dbc801b4SVincent Knecht "#address-cells": 51dbc801b4SVincent Knecht const: 1 52dbc801b4SVincent Knecht 53dbc801b4SVincent Knecht "#size-cells": 54dbc801b4SVincent Knecht const: 0 55dbc801b4SVincent Knecht 56dbc801b4SVincent KnechtpatternProperties: 57dbc801b4SVincent Knecht "^led@[1-9]$": 58dbc801b4SVincent Knecht type: object 59dbc801b4SVincent Knecht $ref: common.yaml# 60fe469e83SKrzysztof Kozlowski unevaluatedProperties: false 61dbc801b4SVincent Knecht 62dbc801b4SVincent Knecht properties: 63dbc801b4SVincent Knecht reg: 64dbc801b4SVincent Knecht description: Index of the LED. 65dbc801b4SVincent Knecht minimum: 1 66dbc801b4SVincent Knecht maximum: 9 67dbc801b4SVincent Knecht 68dbc801b4SVincent Knecht led-max-microamp: 69dbc801b4SVincent Knecht description: 70dbc801b4SVincent Knecht Note that a driver will take the lowest of all LED limits 71dbc801b4SVincent Knecht since the chip has a single global setting. The lowest value 72dbc801b4SVincent Knecht will be chosen due to the PWM specificity, where lower 73dbc801b4SVincent Knecht brightness is achieved by reducing the duty-cycle of pulses 74dbc801b4SVincent Knecht and not the current, which will always have its peak value 75dbc801b4SVincent Knecht equal to led-max-microamp. 76dbc801b4SVincent Knecht 77fce43d8fSVincent KnechtallOf: 78fce43d8fSVincent Knecht - if: 79fce43d8fSVincent Knecht properties: 80fce43d8fSVincent Knecht compatible: 81fce43d8fSVincent Knecht contains: 82fce43d8fSVincent Knecht enum: 83fce43d8fSVincent Knecht - issi,is31fl3190 84fce43d8fSVincent Knecht - issi,is31fl3191 85fce43d8fSVincent Knecht - issi,is31fl3193 86fce43d8fSVincent Knecht - si-en,sn3190 87fce43d8fSVincent Knecht - si-en,sn3191 88fce43d8fSVincent Knecht - si-en,sn3193 89fce43d8fSVincent Knecht then: 90fce43d8fSVincent Knecht properties: 91fce43d8fSVincent Knecht reg: 92fce43d8fSVincent Knecht enum: [0x68, 0x69, 0x6a, 0x6b] 93fce43d8fSVincent Knecht 94fce43d8fSVincent Knecht audio-gain-db: false 95fce43d8fSVincent Knecht 96fce43d8fSVincent Knecht patternProperties: 97fce43d8fSVincent Knecht "^led@[1-9]$": 98fce43d8fSVincent Knecht properties: 99fce43d8fSVincent Knecht led-max-microamp: 100fce43d8fSVincent Knecht default: 42000 101fce43d8fSVincent Knecht enum: [5000, 10000, 17500, 30000, 42000] 102fce43d8fSVincent Knecht else: 103fce43d8fSVincent Knecht properties: 104fce43d8fSVincent Knecht reg: 105fce43d8fSVincent Knecht enum: [0x64, 0x65, 0x66, 0x67] 106fce43d8fSVincent Knecht 107fce43d8fSVincent Knecht patternProperties: 108fce43d8fSVincent Knecht "^led@[1-9]$": 109fce43d8fSVincent Knecht properties: 110fce43d8fSVincent Knecht led-max-microamp: 111fce43d8fSVincent Knecht default: 20000 112fce43d8fSVincent Knecht enum: [5000, 10000, 15000, 20000, 25000, 30000, 35000, 40000] 113fce43d8fSVincent Knecht - if: 114fce43d8fSVincent Knecht properties: 115fce43d8fSVincent Knecht compatible: 116fce43d8fSVincent Knecht contains: 117fce43d8fSVincent Knecht enum: 118fce43d8fSVincent Knecht - issi,is31fl3190 119fce43d8fSVincent Knecht - issi,is31fl3191 120fce43d8fSVincent Knecht - si-en,sn3190 121fce43d8fSVincent Knecht - si-en,sn3191 122fce43d8fSVincent Knecht then: 123fce43d8fSVincent Knecht patternProperties: 124fce43d8fSVincent Knecht "^led@[1-9]$": 125fce43d8fSVincent Knecht properties: 126fce43d8fSVincent Knecht reg: 127fce43d8fSVincent Knecht maximum: 1 128fce43d8fSVincent Knecht - if: 129fce43d8fSVincent Knecht properties: 130fce43d8fSVincent Knecht compatible: 131fce43d8fSVincent Knecht contains: 132fce43d8fSVincent Knecht enum: 133fce43d8fSVincent Knecht - issi,is31fl3193 134fce43d8fSVincent Knecht - si-en,sn3193 135fce43d8fSVincent Knecht then: 136fce43d8fSVincent Knecht patternProperties: 137fce43d8fSVincent Knecht "^led@[1-9]$": 138fce43d8fSVincent Knecht properties: 139fce43d8fSVincent Knecht reg: 140fce43d8fSVincent Knecht maximum: 3 141fce43d8fSVincent Knecht - if: 142fce43d8fSVincent Knecht properties: 143fce43d8fSVincent Knecht compatible: 144fce43d8fSVincent Knecht contains: 145fce43d8fSVincent Knecht enum: 146fce43d8fSVincent Knecht - issi,is31fl3196 147fce43d8fSVincent Knecht - si-en,sn3196 148fce43d8fSVincent Knecht then: 149fce43d8fSVincent Knecht patternProperties: 150fce43d8fSVincent Knecht "^led@[1-9]$": 151fce43d8fSVincent Knecht properties: 152fce43d8fSVincent Knecht reg: 153fce43d8fSVincent Knecht maximum: 6 154fce43d8fSVincent Knecht 155dbc801b4SVincent Knechtrequired: 156dbc801b4SVincent Knecht - compatible 157dbc801b4SVincent Knecht - reg 158dbc801b4SVincent Knecht - "#address-cells" 159dbc801b4SVincent Knecht - "#size-cells" 160dbc801b4SVincent Knecht 161dbc801b4SVincent KnechtadditionalProperties: false 162dbc801b4SVincent Knecht 163dbc801b4SVincent Knechtexamples: 164dbc801b4SVincent Knecht - | 165dbc801b4SVincent Knecht #include <dt-bindings/gpio/gpio.h> 166dbc801b4SVincent Knecht #include <dt-bindings/leds/common.h> 167dbc801b4SVincent Knecht 168*20a72af1SRob Herring i2c { 169dbc801b4SVincent Knecht #address-cells = <1>; 170dbc801b4SVincent Knecht #size-cells = <0>; 171dbc801b4SVincent Knecht 172dbc801b4SVincent Knecht led-controller@65 { 173dbc801b4SVincent Knecht compatible = "issi,is31fl3196"; 174dbc801b4SVincent Knecht reg = <0x65>; 175dbc801b4SVincent Knecht #address-cells = <1>; 176dbc801b4SVincent Knecht #size-cells = <0>; 177dbc801b4SVincent Knecht 178dbc801b4SVincent Knecht shutdown-gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>; 179dbc801b4SVincent Knecht 180dbc801b4SVincent Knecht led@1 { 181dbc801b4SVincent Knecht reg = <1>; 182dbc801b4SVincent Knecht label = "red:aux"; 183dbc801b4SVincent Knecht led-max-microamp = <10000>; 184dbc801b4SVincent Knecht }; 185dbc801b4SVincent Knecht 186dbc801b4SVincent Knecht led@5 { 187dbc801b4SVincent Knecht reg = <5>; 188dbc801b4SVincent Knecht label = "green:power"; 189dbc801b4SVincent Knecht linux,default-trigger = "default-on"; 190dbc801b4SVincent Knecht }; 191dbc801b4SVincent Knecht }; 192dbc801b4SVincent Knecht }; 193dbc801b4SVincent Knecht... 194dbc801b4SVincent Knecht 195