diff options
Diffstat (limited to '')
8 files changed, 143 insertions, 7 deletions
diff --git a/Documentation/devicetree/bindings/leds/backlight/common.yaml b/Documentation/devicetree/bindings/leds/backlight/common.yaml index 702ba350d869..3b60afbab68b 100644 --- a/Documentation/devicetree/bindings/leds/backlight/common.yaml +++ b/Documentation/devicetree/bindings/leds/backlight/common.yaml @@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: Common backlight properties maintainers: - - Lee Jones <lee.jones@linaro.org> + - Lee Jones <lee@kernel.org> - Daniel Thompson <daniel.thompson@linaro.org> - Jingoo Han <jingoohan1@gmail.com> diff --git a/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.yaml index 75cc569b9c55..3300451fcfd5 100644 --- a/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.yaml +++ b/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.yaml @@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: gpio-backlight bindings maintainers: - - Lee Jones <lee.jones@linaro.org> + - Lee Jones <lee@kernel.org> - Daniel Thompson <daniel.thompson@linaro.org> - Jingoo Han <jingoohan1@gmail.com> diff --git a/Documentation/devicetree/bindings/leds/backlight/led-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/led-backlight.yaml index 625082bf3892..0793d0adc4ec 100644 --- a/Documentation/devicetree/bindings/leds/backlight/led-backlight.yaml +++ b/Documentation/devicetree/bindings/leds/backlight/led-backlight.yaml @@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: led-backlight bindings maintainers: - - Lee Jones <lee.jones@linaro.org> + - Lee Jones <lee@kernel.org> - Daniel Thompson <daniel.thompson@linaro.org> - Jingoo Han <jingoohan1@gmail.com> @@ -23,6 +23,8 @@ properties: leds: description: A list of LED nodes $ref: /schemas/types.yaml#/definitions/phandle-array + items: + maxItems: 1 brightness-levels: description: diff --git a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml index 08fe5cf8614a..3c9b4054ed9a 100644 --- a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml +++ b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml @@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: TI LM3630A High-Efficiency Dual-String White LED maintainers: - - Lee Jones <lee.jones@linaro.org> + - Lee Jones <lee@kernel.org> - Daniel Thompson <daniel.thompson@linaro.org> - Jingoo Han <jingoohan1@gmail.com> diff --git a/Documentation/devicetree/bindings/leds/backlight/mediatek,mt6370-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/mediatek,mt6370-backlight.yaml new file mode 100644 index 000000000000..5533b6562d92 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/mediatek,mt6370-backlight.yaml @@ -0,0 +1,121 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$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/pwm-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/pwm-backlight.yaml index fcb8429f3088..78fbe20a1758 100644 --- a/Documentation/devicetree/bindings/leds/backlight/pwm-backlight.yaml +++ b/Documentation/devicetree/bindings/leds/backlight/pwm-backlight.yaml @@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: pwm-backlight bindings maintainers: - - Lee Jones <lee.jones@linaro.org> + - Lee Jones <lee@kernel.org> - Daniel Thompson <daniel.thompson@linaro.org> - Jingoo Han <jingoohan1@gmail.com> diff --git a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml index d839e75d9788..4c15693f7a01 100644 --- a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml +++ b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml @@ -22,10 +22,12 @@ properties: - qcom,pmi8994-wled - qcom,pmi8998-wled - qcom,pm660l-wled + - qcom,pm6150l-wled - qcom,pm8150l-wled reg: - maxItems: 1 + minItems: 1 + maxItems: 2 default-brightness: description: | @@ -80,7 +82,7 @@ properties: description: | kHz; switching frequency. $ref: /schemas/types.yaml#/definitions/uint32 - enum: [ 600, 640, 685, 738, 800, 872, 960, 1066, 1200, 1371, 1600, 1920, + enum: [ 600, 640, 685, 738, 800, 872, 960, 1066, 1200, 1371, 1600, 1920, 2400, 3200, 4800, 9600 ] qcom,ovp: @@ -170,6 +172,9 @@ allOf: then: properties: + reg: + maxItems: 1 + qcom,current-boost-limit: enum: [ 105, 385, 525, 805, 980, 1260, 1400, 1680 ] default: 805 @@ -188,6 +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/backlight/richtek,rt4831-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml index e0ac68694b63..99e9e138fa92 100644 --- a/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml +++ b/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml @@ -47,6 +47,11 @@ properties: minimum: 0 maximum: 3 + richtek,bled-ocp-microamp: + description: | + Backlight over current protection level. + enum: [900000, 1200000, 1500000, 1800000] + richtek,channel-use: description: | Backlight LED channel to be used. |