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 7dbc801b4SVincent Knechttitle: ISSI LED controllers bindings 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 31*fce43d8fSVincent Knecht - si-en,sn3190 32*fce43d8fSVincent Knecht - si-en,sn3191 33*fce43d8fSVincent Knecht - si-en,sn3193 34*fce43d8fSVincent 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 $ref: common.yaml# 60dbc801b4SVincent Knecht 61dbc801b4SVincent Knecht properties: 62dbc801b4SVincent Knecht reg: 63dbc801b4SVincent Knecht description: Index of the LED. 64dbc801b4SVincent Knecht minimum: 1 65dbc801b4SVincent Knecht maximum: 9 66dbc801b4SVincent Knecht 67dbc801b4SVincent Knecht led-max-microamp: 68dbc801b4SVincent Knecht description: 69dbc801b4SVincent Knecht Note that a driver will take the lowest of all LED limits 70dbc801b4SVincent Knecht since the chip has a single global setting. The lowest value 71dbc801b4SVincent Knecht will be chosen due to the PWM specificity, where lower 72dbc801b4SVincent Knecht brightness is achieved by reducing the duty-cycle of pulses 73dbc801b4SVincent Knecht and not the current, which will always have its peak value 74dbc801b4SVincent Knecht equal to led-max-microamp. 75dbc801b4SVincent Knecht 76*fce43d8fSVincent KnechtallOf: 77*fce43d8fSVincent Knecht - if: 78*fce43d8fSVincent Knecht properties: 79*fce43d8fSVincent Knecht compatible: 80*fce43d8fSVincent Knecht contains: 81*fce43d8fSVincent Knecht enum: 82*fce43d8fSVincent Knecht - issi,is31fl3190 83*fce43d8fSVincent Knecht - issi,is31fl3191 84*fce43d8fSVincent Knecht - issi,is31fl3193 85*fce43d8fSVincent Knecht - si-en,sn3190 86*fce43d8fSVincent Knecht - si-en,sn3191 87*fce43d8fSVincent Knecht - si-en,sn3193 88*fce43d8fSVincent Knecht then: 89*fce43d8fSVincent Knecht properties: 90*fce43d8fSVincent Knecht reg: 91*fce43d8fSVincent Knecht enum: [0x68, 0x69, 0x6a, 0x6b] 92*fce43d8fSVincent Knecht 93*fce43d8fSVincent Knecht audio-gain-db: false 94*fce43d8fSVincent Knecht 95*fce43d8fSVincent Knecht patternProperties: 96*fce43d8fSVincent Knecht "^led@[1-9]$": 97*fce43d8fSVincent Knecht properties: 98*fce43d8fSVincent Knecht led-max-microamp: 99*fce43d8fSVincent Knecht default: 42000 100*fce43d8fSVincent Knecht enum: [5000, 10000, 17500, 30000, 42000] 101*fce43d8fSVincent Knecht else: 102*fce43d8fSVincent Knecht properties: 103*fce43d8fSVincent Knecht reg: 104*fce43d8fSVincent Knecht enum: [0x64, 0x65, 0x66, 0x67] 105*fce43d8fSVincent Knecht 106*fce43d8fSVincent Knecht patternProperties: 107*fce43d8fSVincent Knecht "^led@[1-9]$": 108*fce43d8fSVincent Knecht properties: 109*fce43d8fSVincent Knecht led-max-microamp: 110*fce43d8fSVincent Knecht default: 20000 111*fce43d8fSVincent Knecht enum: [5000, 10000, 15000, 20000, 25000, 30000, 35000, 40000] 112*fce43d8fSVincent Knecht - if: 113*fce43d8fSVincent Knecht properties: 114*fce43d8fSVincent Knecht compatible: 115*fce43d8fSVincent Knecht contains: 116*fce43d8fSVincent Knecht enum: 117*fce43d8fSVincent Knecht - issi,is31fl3190 118*fce43d8fSVincent Knecht - issi,is31fl3191 119*fce43d8fSVincent Knecht - si-en,sn3190 120*fce43d8fSVincent Knecht - si-en,sn3191 121*fce43d8fSVincent Knecht then: 122*fce43d8fSVincent Knecht patternProperties: 123*fce43d8fSVincent Knecht "^led@[1-9]$": 124*fce43d8fSVincent Knecht properties: 125*fce43d8fSVincent Knecht reg: 126*fce43d8fSVincent Knecht maximum: 1 127*fce43d8fSVincent Knecht - if: 128*fce43d8fSVincent Knecht properties: 129*fce43d8fSVincent Knecht compatible: 130*fce43d8fSVincent Knecht contains: 131*fce43d8fSVincent Knecht enum: 132*fce43d8fSVincent Knecht - issi,is31fl3193 133*fce43d8fSVincent Knecht - si-en,sn3193 134*fce43d8fSVincent Knecht then: 135*fce43d8fSVincent Knecht patternProperties: 136*fce43d8fSVincent Knecht "^led@[1-9]$": 137*fce43d8fSVincent Knecht properties: 138*fce43d8fSVincent Knecht reg: 139*fce43d8fSVincent Knecht maximum: 3 140*fce43d8fSVincent Knecht - if: 141*fce43d8fSVincent Knecht properties: 142*fce43d8fSVincent Knecht compatible: 143*fce43d8fSVincent Knecht contains: 144*fce43d8fSVincent Knecht enum: 145*fce43d8fSVincent Knecht - issi,is31fl3196 146*fce43d8fSVincent Knecht - si-en,sn3196 147*fce43d8fSVincent Knecht then: 148*fce43d8fSVincent Knecht patternProperties: 149*fce43d8fSVincent Knecht "^led@[1-9]$": 150*fce43d8fSVincent Knecht properties: 151*fce43d8fSVincent Knecht reg: 152*fce43d8fSVincent Knecht maximum: 6 153*fce43d8fSVincent Knecht 154dbc801b4SVincent Knechtrequired: 155dbc801b4SVincent Knecht - compatible 156dbc801b4SVincent Knecht - reg 157dbc801b4SVincent Knecht - "#address-cells" 158dbc801b4SVincent Knecht - "#size-cells" 159dbc801b4SVincent Knecht 160dbc801b4SVincent KnechtadditionalProperties: false 161dbc801b4SVincent Knecht 162dbc801b4SVincent Knechtexamples: 163dbc801b4SVincent Knecht - | 164dbc801b4SVincent Knecht #include <dt-bindings/gpio/gpio.h> 165dbc801b4SVincent Knecht #include <dt-bindings/leds/common.h> 166dbc801b4SVincent Knecht 167dbc801b4SVincent Knecht i2c0 { 168dbc801b4SVincent Knecht #address-cells = <1>; 169dbc801b4SVincent Knecht #size-cells = <0>; 170dbc801b4SVincent Knecht 171dbc801b4SVincent Knecht led-controller@65 { 172dbc801b4SVincent Knecht compatible = "issi,is31fl3196"; 173dbc801b4SVincent Knecht reg = <0x65>; 174dbc801b4SVincent Knecht #address-cells = <1>; 175dbc801b4SVincent Knecht #size-cells = <0>; 176dbc801b4SVincent Knecht 177dbc801b4SVincent Knecht shutdown-gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>; 178dbc801b4SVincent Knecht 179dbc801b4SVincent Knecht led@1 { 180dbc801b4SVincent Knecht reg = <1>; 181dbc801b4SVincent Knecht label = "red:aux"; 182dbc801b4SVincent Knecht led-max-microamp = <10000>; 183dbc801b4SVincent Knecht }; 184dbc801b4SVincent Knecht 185dbc801b4SVincent Knecht led@5 { 186dbc801b4SVincent Knecht reg = <5>; 187dbc801b4SVincent Knecht label = "green:power"; 188dbc801b4SVincent Knecht linux,default-trigger = "default-on"; 189dbc801b4SVincent Knecht }; 190dbc801b4SVincent Knecht }; 191dbc801b4SVincent Knecht }; 192dbc801b4SVincent Knecht... 193dbc801b4SVincent Knecht 194