diff options
Diffstat (limited to 'Documentation/devicetree/bindings/leds')
4 files changed, 245 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd2801.yaml b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd2801.yaml new file mode 100644 index 000000000000..b005065e0f48 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd2801.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/backlight/kinetic,ktd2801.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Kinetic Technologies KTD2801 one-wire backlight + +maintainers: + - Duje Mihanović <duje.mihanovic@skole.hr> + +description: | + The Kinetic Technologies KTD2801 is a LED backlight driver controlled + by a single GPIO line. The driver can be controlled with a PWM signal + or by pulsing the GPIO line to set the backlight level. This is called + "ExpressWire". + +allOf: + - $ref: common.yaml# + +properties: + compatible: + const: kinetic,ktd2801 + + ctrl-gpios: + maxItems: 1 + + default-brightness: true + max-brightness: true + +required: + - compatible + - ctrl-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + backlight { + compatible = "kinetic,ktd2801"; + ctrl-gpios = <&gpio 97 GPIO_ACTIVE_HIGH>; + max-brightness = <210>; + default-brightness = <100>; + }; diff --git a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml index 5f1849bdabba..a8490781011d 100644 --- a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml +++ b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml @@ -7,8 +7,8 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: Qualcomm Technologies, Inc. WLED driver maintainers: - - Bjorn Andersson <bjorn.andersson@linaro.org> - - Kiran Gunda <kgunda@codeaurora.org> + - Bjorn Andersson <andersson@kernel.org> + - Kiran Gunda <quic_kgunda@quicinc.com> description: | WLED (White Light Emitting Diode) driver is used for controlling display diff --git a/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml index ea84ad426df1..54a428d3d46f 100644 --- a/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml +++ b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml @@ -11,7 +11,7 @@ maintainers: description: > The Qualcomm Light Pulse Generator consists of three different hardware blocks; - a ramp generator with lookup table, the light pulse generator and a three + a ramp generator with lookup table (LUT), the light pulse generator and a three channel current sink. These blocks are found in a wide range of Qualcomm PMICs. properties: @@ -63,6 +63,29 @@ properties: - description: dtest line to attach - description: flags for the attachment + nvmem: + description: > + This property is required for PMICs that supports PPG, which is when a + PMIC stores LPG per-channel data and pattern LUT in SDAM modules instead + of in a LUT peripheral. For PMICs, such as PM8350C, per-channel data + and pattern LUT is separated into 2 SDAM modules. In that case, phandles + to both SDAM modules need to be specified. + minItems: 1 + maxItems: 2 + + nvmem-names: + minItems: 1 + items: + - const: lpg_chan_sdam + - const: lut_sdam + + qcom,pbs: + $ref: /schemas/types.yaml#/definitions/phandle + description: > + Phandle of the Qualcomm Programmable Boot Sequencer node (PBS). + PBS node is used to trigger LPG pattern sequences for PMICs that support + single SDAM PPG. + multi-led: type: object $ref: leds-class-multicolor.yaml# @@ -106,6 +129,52 @@ required: additionalProperties: false +allOf: + - if: + properties: + compatible: + contains: + enum: + - qcom,pm660l-lpg + - qcom,pm8150b-lpg + - qcom,pm8150l-lpg + - qcom,pm8916-pwm + - qcom,pm8941-lpg + - qcom,pm8994-lpg + - qcom,pmc8180c-lpg + - qcom,pmi8994-lpg + - qcom,pmi8998-lpg + - qcom,pmk8550-pwm + then: + properties: + nvmem: false + nvmem-names: false + + - if: + properties: + compatible: + contains: + const: qcom,pmi632-lpg + then: + properties: + nvmem: + maxItems: 1 + nvmem-names: + maxItems: 1 + + - if: + properties: + compatible: + contains: + enum: + - qcom,pm8350c-pwm + then: + properties: + nvmem: + minItems: 2 + nvmem-names: + minItems: 2 + examples: - | #include <dt-bindings/leds/common.h> @@ -191,4 +260,35 @@ examples: compatible = "qcom,pm8916-pwm"; #pwm-cells = <2>; }; + - | + #include <dt-bindings/leds/common.h> + + led-controller { + compatible = "qcom,pmi632-lpg"; + #address-cells = <1>; + #size-cells = <0>; + #pwm-cells = <2>; + nvmem-names = "lpg_chan_sdam"; + nvmem = <&pmi632_sdam_7>; + qcom,pbs = <&pmi632_pbs_client3>; + + led@1 { + reg = <1>; + color = <LED_COLOR_ID_RED>; + label = "red"; + }; + + led@2 { + reg = <2>; + color = <LED_COLOR_ID_GREEN>; + label = "green"; + }; + + led@3 { + reg = <3>; + color = <LED_COLOR_ID_BLUE>; + label = "blue"; + }; + }; + ... diff --git a/Documentation/devicetree/bindings/leds/onnn,ncp5623.yaml b/Documentation/devicetree/bindings/leds/onnn,ncp5623.yaml new file mode 100644 index 000000000000..9c9f3a682ba2 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/onnn,ncp5623.yaml @@ -0,0 +1,96 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/onnn,ncp5623.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ON Semiconductor NCP5623 multi-LED Driver + +maintainers: + - Abdel Alkuor <alkuor@gmail.com> + +description: + NCP5623 Triple Output I2C Controlled LED Driver. + https://www.onsemi.com/pdf/datasheet/ncp5623-d.pdf + +properties: + compatible: + enum: + - onnn,ncp5623 + + reg: + const: 0x38 + + multi-led: + type: object + $ref: leds-class-multicolor.yaml# + unevaluatedProperties: false + + properties: + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + patternProperties: + "^led@[0-2]$": + type: object + $ref: common.yaml# + unevaluatedProperties: false + + properties: + reg: + minimum: 0 + maximum: 2 + + required: + - reg + - color + + required: + - "#address-cells" + - "#size-cells" + +required: + - compatible + - reg + - multi-led + +additionalProperties: false + +examples: + - | + #include <dt-bindings/leds/common.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@38 { + compatible = "onnn,ncp5623"; + reg = <0x38>; + + multi-led { + color = <LED_COLOR_ID_RGB>; + + #address-cells = <1>; + #size-cells = <0>; + + led@0 { + reg = <0>; + color = <LED_COLOR_ID_RED>; + }; + + led@1 { + reg = <1>; + color = <LED_COLOR_ID_GREEN>; + }; + + led@2 { + reg = <2>; + color = <LED_COLOR_ID_BLUE>; + }; + }; + }; + }; |