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Commit 71f765ed authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "ARM: dts: msm: Specify PPG parameters for PWM device in PM8350C"

parents decdf82b c4a61cfd

bindings/pwm/pwm-qti-lpg.txt

+66 −12
Original line number Diff line number Diff line
@@ -36,27 +36,34 @@ device module in Qualcomm Technologies, Inc. PMIC chips. 


- nvmem-names:

	Usage: optional

	Value type: <string>

	Definition: The nvmem device name for the SDAM module where the LUT

		      pattern is stored. It must be "ppg_sdam". This property

		      is required only when LUT mode is supported with a SDAM

		      module instead of a LUT module.

	Value type: <stringlist>

	Definition: The nvmem device name(s) for the SDAM module(s) where the

		      LUT pattern data is stored. This property is required

		      only when LUT mode is supported with a SDAM module

		      instead of a LUT module. It can take the following

		      mutually exclusive sets of values:

		      (a) "ppg_sdam":

			  LUT pattern data and per-channel data are stored in a

			  single SDAM module.

		      (b) "lut_sdam", "lpg_chan_sdam":

			  LUT pattern data and per-channel data are stored in

			  two different SDAM modules.



- nvmem:

	Usage: optional

	Value type: <phandle>

	Definition: Phandle of the nvmem device to access the LUT stored

		      in the SDAM module. This property is required only when

		      LUT mode is supported and the LUT pattern is stored in a

		      SDAM module instead of a LUT module.

	Value type: <phandle-list>

	Definition: Phandle(s) of the nvmem device(s) to access the LUT stored

		      in the SDAM module(s). This property is required only when

		      LUT mode is supported and the LUT pattern is stored in

		      SDAM modules instead of a LUT module.



- qcom,pbs-client

	Usage: optional

	Value type: <phandle>

	Definition: Phandle of the PBS client used for sending the PBS

		      trigger. This property is required when LUT mode is

		      supported and the LUT pattern is stored in a SDAM

		      module instead of a LUT module.

		      supported and the LUT pattern is stored in a single SDAM

		      module (not two) instead of a LUT module.



- qcom,lut-sdam-base:

	Usage: optional
@@ -118,6 +125,12 @@ parameters needs to be configured for that channel. 
		      1 - 511 when LUT module is used, and 8 - 2000 when SDAM

		      is used.



- qcom,tick-duration-us:

	Usage: optional

	Value type: <u32>

	Definition: The tick duration in microseconds for PPG. If this property

		      is not specified, a default value of 7800 will be used.



- qcom,ramp-high-index:

	Usage: required

	Value type: <u32>
@@ -252,3 +265,44 @@ Example when LUT pattern is stored in a SDAM module: 
			qcom,lpg-sdam-base = <0x64>;

		};

	};



Example when LUT pattern is stored in two SDAM modules:



	pm8350c_pwm_1: pwms@e800 {

		compatible = "qcom,pwm-lpg";

		reg = <0xe800>;

		reg-names = "lpg-base";

		#pwm-cells = <2>;

		qcom,num-lpg-channels = <3>;

		nvmem = <&pmk8350_sdam_21 &pmk8350_sdam_22>;

		nvmem-names = "lpg_chan_sdam", "lut_sdam";

		qcom,lut-sdam-base = <0x45>;

		qcom,lut-patterns = <0 10 20 30 40 50 60 70 80 90 100

		                     90 80 70 60 50 40 30 20 10 0>;

		lpg@1 {

			qcom,lpg-chan-id = <1>;

			qcom,ramp-step-ms = <200>;

			qcom,ramp-low-index = <0>;

			qcom,ramp-high-index = <19>;

			qcom,ramp-pattern-repeat;

			qcom,lpg-sdam-base = <0x48>;

		};



		lpg@2 {

			qcom,lpg-chan-id = <2>;

			qcom,ramp-step-ms = <200>;

			qcom,ramp-low-index = <0>;

			qcom,ramp-high-index = <19>;

			qcom,ramp-pattern-repeat;

			qcom,lpg-sdam-base = <0x56>;

		};



		lpg@3 {

			qcom,lpg-chan-id = <3>;

			qcom,ramp-step-ms = <200>;

			qcom,ramp-low-index = <0>;

			qcom,ramp-high-index = <19>;

			qcom,ramp-pattern-repeat;

			qcom,lpg-sdam-base = <0x64>;

		};

	};

qcom/pm8350c.dtsi

+33 −0
Original line number Diff line number Diff line
@@ -35,6 +35,39 @@ 
			reg-names = "lpg-base";

			#pwm-cells = <2>;

			qcom,num-lpg-channels = <3>;

			nvmem = <&pmk8350_sdam_21 &pmk8350_sdam_22>;

			nvmem-names = "lpg_chan_sdam", "lut_sdam";

			qcom,lut-sdam-base = <0x45>;

			qcom,lut-patterns = <0 10 20 30 40 50 60 70 80 90 100

					     90 80 70 60 50 40 30 20 10 0>;

			qcom,tick-duration-us = <8000>;



			lpg@1 {

				qcom,lpg-chan-id = <1>;

				qcom,ramp-step-ms = <200>;

				qcom,ramp-low-index = <0>;

				qcom,ramp-high-index = <19>;

				qcom,ramp-pattern-repeat;

				qcom,lpg-sdam-base = <0x48>;

			};



			lpg@2 {

				qcom,lpg-chan-id = <2>;

				qcom,ramp-step-ms = <200>;

				qcom,ramp-low-index = <0>;

				qcom,ramp-high-index = <19>;

				qcom,ramp-pattern-repeat;

				qcom,lpg-sdam-base = <0x56>;

			};



			lpg@3 {

				qcom,lpg-chan-id = <3>;

				qcom,ramp-step-ms = <200>;

				qcom,ramp-low-index = <0>;

				qcom,ramp-high-index = <19>;

				qcom,ramp-pattern-repeat;

				qcom,lpg-sdam-base = <0x64>;

			};

		};



		pm8350c_pwm_2: pwms@eb00 {

qcom/pmk8350.dtsi

+10 −0
Original line number Diff line number Diff line
@@ -199,6 +199,16 @@ 
			};

		};



		pmk8350_sdam_21: sdam@8400 {

			compatible = "qcom,spmi-sdam";

			reg = <0x8400>;

		};



		pmk8350_sdam_22: sdam@8500 {

			compatible = "qcom,spmi-sdam";

			reg = <0x8500>;

		};



		pmk8350_gpios: pinctrl@b000 {

			compatible = "qcom,pmk8350-gpio";

			reg = <0xb000>;