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    Subject[PATCH v13 1/2] dt-bindings: leds: Add Qualcomm Light Pulse Generator binding
    Date
    This adds the binding document describing the three hardware blocks
    related to the Light Pulse Generator found in a wide range of Qualcomm
    PMICs.

    Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
    Reviewed-by: Stephen Boyd <swboyd@chromium.org>
    Reviewed-by: Rob Herring <robh@kernel.org>
    ---

    Changes since v12:
    - None

    .../bindings/leds/leds-qcom-lpg.yaml | 173 ++++++++++++++++++
    1 file changed, 173 insertions(+)
    create mode 100644 Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml

    diff --git a/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml
    new file mode 100644
    index 000000000000..336bd8e10efd
    --- /dev/null
    +++ b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml
    @@ -0,0 +1,173 @@
    +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    +%YAML 1.2
    +---
    +$id: http://devicetree.org/schemas/leds/leds-qcom-lpg.yaml#
    +$schema: http://devicetree.org/meta-schemas/core.yaml#
    +
    +title: Qualcomm Light Pulse Generator
    +
    +maintainers:
    + - Bjorn Andersson <bjorn.andersson@linaro.org>
    +
    +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
    + channel current sink. These blocks are found in a wide range of Qualcomm PMICs.
    +
    +properties:
    + compatible:
    + enum:
    + - qcom,pm8150b-lpg
    + - qcom,pm8150l-lpg
    + - qcom,pm8916-pwm
    + - qcom,pm8941-lpg
    + - qcom,pm8994-lpg
    + - qcom,pmc8180c-lpg
    + - qcom,pmi8994-lpg
    + - qcom,pmi8998-lpg
    +
    + "#pwm-cells":
    + const: 2
    +
    + "#address-cells":
    + const: 1
    +
    + "#size-cells":
    + const: 0
    +
    + qcom,power-source:
    + $ref: /schemas/types.yaml#/definitions/uint32
    + description:
    + power-source used to drive the output, as defined in the datasheet.
    + Should be specified if the TRILED block is present
    + enum: [0, 1, 3]
    +
    + qcom,dtest:
    + $ref: /schemas/types.yaml#/definitions/uint32-matrix
    + description: >
    + A list of integer pairs, where each pair represent the dtest line the
    + particular channel should be connected to and the flags denoting how the
    + value should be outputed, as defined in the datasheet. The number of
    + pairs should be the same as the number of channels.
    + items:
    + items:
    + - description: dtest line to attach
    + - description: flags for the attachment
    +
    + multi-led:
    + type: object
    + $ref: leds-class-multicolor.yaml#
    + properties:
    + "#address-cells":
    + const: 1
    +
    + "#size-cells":
    + const: 0
    +
    + patternProperties:
    + "^led@[0-9a-f]$":
    + type: object
    + $ref: common.yaml#
    +
    +patternProperties:
    + "^led@[0-9a-f]$":
    + type: object
    + $ref: common.yaml#
    +
    + properties:
    + reg: true
    +
    + required:
    + - reg
    +
    +required:
    + - compatible
    +
    +additionalProperties: false
    +
    +examples:
    + - |
    + #include <dt-bindings/leds/common.h>
    +
    + led-controller {
    + compatible = "qcom,pmi8994-lpg";
    +
    + #address-cells = <1>;
    + #size-cells = <0>;
    +
    + qcom,power-source = <1>;
    +
    + qcom,dtest = <0 0>,
    + <0 0>,
    + <0 0>,
    + <4 1>;
    +
    + led@1 {
    + reg = <1>;
    + color = <LED_COLOR_ID_GREEN>;
    + function = LED_FUNCTION_INDICATOR;
    + function-enumerator = <1>;
    + };
    +
    + led@2 {
    + reg = <2>;
    + color = <LED_COLOR_ID_GREEN>;
    + function = LED_FUNCTION_INDICATOR;
    + function-enumerator = <0>;
    + default-state = "on";
    + };
    +
    + led@3 {
    + reg = <3>;
    + color = <LED_COLOR_ID_GREEN>;
    + function = LED_FUNCTION_INDICATOR;
    + function-enumerator = <2>;
    + };
    +
    + led@4 {
    + reg = <4>;
    + color = <LED_COLOR_ID_GREEN>;
    + function = LED_FUNCTION_INDICATOR;
    + function-enumerator = <3>;
    + };
    + };
    + - |
    + #include <dt-bindings/leds/common.h>
    +
    + led-controller {
    + compatible = "qcom,pmi8994-lpg";
    +
    + #address-cells = <1>;
    + #size-cells = <0>;
    +
    + qcom,power-source = <1>;
    +
    + multi-led {
    + color = <LED_COLOR_ID_RGB>;
    + function = LED_FUNCTION_STATUS;
    +
    + #address-cells = <1>;
    + #size-cells = <0>;
    +
    + led@1 {
    + reg = <1>;
    + color = <LED_COLOR_ID_RED>;
    + };
    +
    + led@2 {
    + reg = <2>;
    + color = <LED_COLOR_ID_GREEN>;
    + };
    +
    + led@3 {
    + reg = <3>;
    + color = <LED_COLOR_ID_BLUE>;
    + };
    + };
    + };
    + - |
    + pwm-controller {
    + compatible = "qcom,pm8916-pwm";
    + #pwm-cells = <2>;
    + };
    +...
    --
    2.33.1
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