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Date: Sat, 30 Apr 2022 14:13:28 +0200 From: Marijn Suijten <marijn.suijten@...ainline.org> To: Bjorn Andersson <bjorn.andersson@...aro.org> Cc: Pavel Machek <pavel@....cz>, Thierry Reding <thierry.reding@...il.com>, Uwe Kleine-König <u.kleine-koenig@...gutronix.de>, Lee Jones <lee.jones@...aro.org>, Rob Herring <robh+dt@...nel.org>, Jonathan Corbet <corbet@....net>, linux-leds@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org, linux-pwm@...r.kernel.org, linux-arm-msm@...r.kernel.org, Stephen Boyd <swboyd@...omium.org>, Rob Herring <robh@...nel.org> Subject: Re: [PATCH v14 1/2] dt-bindings: leds: Add Qualcomm Light Pulse Generator binding On 2022-03-03 13:42:59, Bjorn Andersson wrote: > 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@...aro.org> > Reviewed-by: Stephen Boyd <swboyd@...omium.org> > Reviewed-by: Rob Herring <robh@...nel.org> > --- > > Changes since v13: > - None > > 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@...aro.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 Upon closer inspection this is only true if the TRILED block also has a SRC register which appears to be optional. Is it worth mentioning that here too? - Marijn > + 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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