diff options
Diffstat (limited to 'Documentation/devicetree/bindings/leds')
4 files changed, 250 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/leds/backlight/mediatek,mt6370-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/mediatek,mt6370-backlight.yaml new file mode 100644 index 000000000000..5533b6562d92 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/mediatek,mt6370-backlight.yaml @@ -0,0 +1,121 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/backlight/mediatek,mt6370-backlight.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MT6370 Backlight + +maintainers: + - ChiaEn Wu <chiaen_wu@richtek.com> + +description: | + This module is part of the MT6370 MFD device. + The MT6370 Backlight WLED driver supports up to a 29V output voltage for + 4 channels of 8 series WLEDs. Each channel supports up to 30mA of current + capability with 2048 current steps (11 bits, only for MT6370/MT6371) or + 16384 current steps (14 bits, only for MT6372) in exponential or linear + mapping curves. + +allOf: + - $ref: common.yaml# + +properties: + compatible: + enum: + - mediatek,mt6370-backlight + - mediatek,mt6372-backlight + + default-brightness: + minimum: 0 + + max-brightness: + minimum: 0 + + enable-gpios: + description: External backlight 'enable' pin + maxItems: 1 + + mediatek,bled-pwm-enable: + description: | + Enable external PWM input for backlight dimming + type: boolean + + mediatek,bled-pwm-hys-enable: + description: | + Enable the backlight input-hysteresis for PWM mode + type: boolean + + mediatek,bled-pwm-hys-input-th-steps: + $ref: /schemas/types.yaml#/definitions/uint8 + enum: [1, 4, 16, 64] + description: | + The selection of the upper and lower bounds threshold of backlight + PWM resolution. If we choose selection 64, the variation of PWM + resolution needs more than 64 steps. + + mediatek,bled-ovp-shutdown: + description: | + Enable the backlight shutdown when OVP level triggered + type: boolean + + mediatek,bled-ovp-microvolt: + enum: [17000000, 21000000, 25000000, 29000000] + description: | + Backlight OVP level selection. + + mediatek,bled-ocp-shutdown: + description: | + Enable the backlight shutdown when OCP level triggerred. + type: boolean + + mediatek,bled-ocp-microamp: + enum: [900000, 1200000, 1500000, 1800000] + description: | + Backlight OC level selection. + + mediatek,bled-exponential-mode-enable: + description: | + Enable the exponential mode of backlight brightness. If this property + is not enabled, the default is to use linear mode. + type: boolean + + mediatek,bled-channel-use: + $ref: /schemas/types.yaml#/definitions/uint8 + description: | + Backlight LED channel to be used. + Each bit mapping to: + - 0: CH4 + - 1: CH3 + - 2: CH2 + - 3: CH1 + minimum: 1 + maximum: 15 + +if: + properties: + compatible: + contains: + const: mediatek,mt6372-backlight + +then: + properties: + default-brightness: + maximum: 16384 + + max-brightness: + maximum: 16384 + +else: + properties: + default-brightness: + maximum: 2048 + + max-brightness: + maximum: 2048 + +required: + - compatible + - mediatek,bled-channel-use + +additionalProperties: false diff --git a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml index 5d66c3e4def5..4c15693f7a01 100644 --- a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml +++ b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml @@ -26,7 +26,8 @@ properties: - qcom,pm8150l-wled reg: - maxItems: 1 + minItems: 1 + maxItems: 2 default-brightness: description: | @@ -171,6 +172,9 @@ allOf: then: properties: + reg: + maxItems: 1 + qcom,current-boost-limit: enum: [ 105, 385, 525, 805, 980, 1260, 1400, 1680 ] default: 805 @@ -189,6 +193,9 @@ allOf: else: properties: + reg: + minItems: 2 + qcom,current-boost-limit: enum: [ 105, 280, 450, 620, 970, 1150, 1300, 1500 ] default: 970 diff --git a/Documentation/devicetree/bindings/leds/mediatek,mt6370-flashlight.yaml b/Documentation/devicetree/bindings/leds/mediatek,mt6370-flashlight.yaml new file mode 100644 index 000000000000..e9d02ed6a590 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/mediatek,mt6370-flashlight.yaml @@ -0,0 +1,41 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/mediatek,mt6370-flashlight.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Flash LED driver for MT6370 PMIC from MediaTek Integrated. + +maintainers: + - Alice Chen <alice_chen@richtek.com> + +description: | + This module is part of the MT6370 MFD device. + Add MT6370 flash LED driver include 2-channel flash LED support Torch/Strobe Mode. + +properties: + compatible: + const: mediatek,mt6370-flashlight + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^led@[0-1]$": + type: object + $ref: common.yaml# + unevaluatedProperties: false + + properties: + reg: + enum: [0, 1] + +required: + - compatible + - "#address-cells" + - "#size-cells" + +additionalProperties: false diff --git a/Documentation/devicetree/bindings/leds/mediatek,mt6370-indicator.yaml b/Documentation/devicetree/bindings/leds/mediatek,mt6370-indicator.yaml new file mode 100644 index 000000000000..16b3abc2af3a --- /dev/null +++ b/Documentation/devicetree/bindings/leds/mediatek,mt6370-indicator.yaml @@ -0,0 +1,80 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/mediatek,mt6370-indicator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: LED driver for MT6370 PMIC from MediaTek Integrated. + +maintainers: + - Alice Chen <alice_chen@richtek.com> + +description: | + This module is part of the MT6370 MFD device. + Add MT6370 LED driver include 4-channel RGB LED support Register/PWM/Breath Mode + +properties: + compatible: + const: mediatek,mt6370-indicator + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^multi-led@[0-3]$": + type: object + $ref: leds-class-multicolor.yaml# + unevaluatedProperties: false + + properties: + reg: + enum: [0, 1, 2, 3] + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + patternProperties: + "^led@[0-2]$": + type: object + $ref: common.yaml# + unevaluatedProperties: false + + properties: + reg: + enum: [0, 1, 2] + + required: + - reg + - color + + required: + - reg + - color + - "#address-cells" + - "#size-cells" + + "^led@[0-3]$": + type: object + $ref: common.yaml# + unevaluatedProperties: false + + properties: + reg: + enum: [0, 1, 2, 3] + + required: + - reg + - color + +required: + - compatible + - "#address-cells" + - "#size-cells" + +additionalProperties: false |