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Merge "ARM: dts: msm: Specify PPG parameters for PWM device in PM8350C"
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qctecmdr
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3 changed files with 109 additions and 12 deletions
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@ -36,27 +36,34 @@ device module in Qualcomm Technologies, Inc. PMIC chips.
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- nvmem-names:
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Usage: optional
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Value type: <string>
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Definition: The nvmem device name for the SDAM module where the LUT
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pattern is stored. It must be "ppg_sdam". This property
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is required only when LUT mode is supported with a SDAM
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module instead of a LUT module.
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Value type: <stringlist>
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Definition: The nvmem device name(s) for the SDAM module(s) where the
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LUT pattern data is stored. This property is required
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only when LUT mode is supported with a SDAM module
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instead of a LUT module. It can take the following
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mutually exclusive sets of values:
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(a) "ppg_sdam":
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LUT pattern data and per-channel data are stored in a
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single SDAM module.
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(b) "lut_sdam", "lpg_chan_sdam":
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LUT pattern data and per-channel data are stored in
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two different SDAM modules.
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- nvmem:
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Usage: optional
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Value type: <phandle>
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Definition: Phandle of the nvmem device to access the LUT stored
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in the SDAM module. This property is required only when
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LUT mode is supported and the LUT pattern is stored in a
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SDAM module instead of a LUT module.
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Value type: <phandle-list>
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Definition: Phandle(s) of the nvmem device(s) to access the LUT stored
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in the SDAM module(s). This property is required only when
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LUT mode is supported and the LUT pattern is stored in
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SDAM modules instead of a LUT module.
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- qcom,pbs-client
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Usage: optional
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Value type: <phandle>
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Definition: Phandle of the PBS client used for sending the PBS
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trigger. This property is required when LUT mode is
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supported and the LUT pattern is stored in a SDAM
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module instead of a LUT module.
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supported and the LUT pattern is stored in a single SDAM
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module (not two) instead of a LUT module.
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- qcom,lut-sdam-base:
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Usage: optional
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@ -118,6 +125,12 @@ parameters needs to be configured for that channel.
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1 - 511 when LUT module is used, and 8 - 2000 when SDAM
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is used.
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- qcom,tick-duration-us:
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Usage: optional
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Value type: <u32>
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Definition: The tick duration in microseconds for PPG. If this property
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is not specified, a default value of 7800 will be used.
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- qcom,ramp-high-index:
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Usage: required
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Value type: <u32>
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@ -252,3 +265,44 @@ Example when LUT pattern is stored in a SDAM module:
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qcom,lpg-sdam-base = <0x64>;
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};
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};
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Example when LUT pattern is stored in two SDAM modules:
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pm8350c_pwm_1: pwms@e800 {
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compatible = "qcom,pwm-lpg";
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reg = <0xe800>;
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reg-names = "lpg-base";
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#pwm-cells = <2>;
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qcom,num-lpg-channels = <3>;
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nvmem = <&pmk8350_sdam_21 &pmk8350_sdam_22>;
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nvmem-names = "lpg_chan_sdam", "lut_sdam";
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qcom,lut-sdam-base = <0x45>;
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qcom,lut-patterns = <0 10 20 30 40 50 60 70 80 90 100
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90 80 70 60 50 40 30 20 10 0>;
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lpg@1 {
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qcom,lpg-chan-id = <1>;
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qcom,ramp-step-ms = <200>;
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qcom,ramp-low-index = <0>;
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qcom,ramp-high-index = <19>;
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qcom,ramp-pattern-repeat;
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qcom,lpg-sdam-base = <0x48>;
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};
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lpg@2 {
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qcom,lpg-chan-id = <2>;
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qcom,ramp-step-ms = <200>;
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qcom,ramp-low-index = <0>;
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qcom,ramp-high-index = <19>;
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qcom,ramp-pattern-repeat;
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qcom,lpg-sdam-base = <0x56>;
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};
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lpg@3 {
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qcom,lpg-chan-id = <3>;
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qcom,ramp-step-ms = <200>;
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qcom,ramp-low-index = <0>;
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qcom,ramp-high-index = <19>;
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qcom,ramp-pattern-repeat;
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qcom,lpg-sdam-base = <0x64>;
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};
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};
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@ -35,6 +35,39 @@
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reg-names = "lpg-base";
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#pwm-cells = <2>;
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qcom,num-lpg-channels = <3>;
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nvmem = <&pmk8350_sdam_21 &pmk8350_sdam_22>;
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nvmem-names = "lpg_chan_sdam", "lut_sdam";
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qcom,lut-sdam-base = <0x45>;
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qcom,lut-patterns = <0 10 20 30 40 50 60 70 80 90 100
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90 80 70 60 50 40 30 20 10 0>;
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qcom,tick-duration-us = <8000>;
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lpg@1 {
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qcom,lpg-chan-id = <1>;
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qcom,ramp-step-ms = <200>;
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qcom,ramp-low-index = <0>;
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qcom,ramp-high-index = <19>;
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qcom,ramp-pattern-repeat;
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qcom,lpg-sdam-base = <0x48>;
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};
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lpg@2 {
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qcom,lpg-chan-id = <2>;
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qcom,ramp-step-ms = <200>;
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qcom,ramp-low-index = <0>;
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qcom,ramp-high-index = <19>;
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qcom,ramp-pattern-repeat;
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qcom,lpg-sdam-base = <0x56>;
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};
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lpg@3 {
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qcom,lpg-chan-id = <3>;
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qcom,ramp-step-ms = <200>;
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qcom,ramp-low-index = <0>;
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qcom,ramp-high-index = <19>;
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qcom,ramp-pattern-repeat;
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qcom,lpg-sdam-base = <0x64>;
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};
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};
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pm8350c_pwm_2: pwms@eb00 {
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@ -199,6 +199,16 @@
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};
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};
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pmk8350_sdam_21: sdam@8400 {
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compatible = "qcom,spmi-sdam";
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reg = <0x8400>;
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};
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pmk8350_sdam_22: sdam@8500 {
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compatible = "qcom,spmi-sdam";
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reg = <0x8500>;
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};
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pmk8350_gpios: pinctrl@b000 {
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compatible = "qcom,pmk8350-gpio";
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reg = <0xb000>;
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