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Commit 81ea5e28 authored by Subbaraman Narayanamurthy's avatar Subbaraman Narayanamurthy
Browse files

dt-bindings: pwm-qti-lpg: Add qcom,num-lpg-channels property 



Instead of parsing the LPG channel numbers from the register size
cell, add a property to specify the LPG channel numbers directly.

Change-Id: If5fbaca2017edea314827aad47fef8fc324e8663
Signed-off-by: default avatarSubbaraman Narayanamurthy <subbaram@codeaurora.org>
parent 243bc4bb

Documentation/devicetree/bindings/pwm/pwm-qti-lpg.txt

+7 −3
Original line number Diff line number Diff line
@@ -11,9 +11,7 @@ device module in Qualcomm Technologies, Inc. PMIC chips. 
- reg:

	Usage: required

	Value type: <prop-encoded-array>

	Definition: Register base and length for LPG and LUT modules. LPG size

		      or length available per channel varies depending on the

		      number of channels in PMIC.

	Definition: Register base for LPG and LUT modules.



- reg-names:

	Usage: required
@@ -30,6 +28,11 @@ device module in Qualcomm Technologies, Inc. PMIC chips. 
		      the PWM channel ID indexed from 0, and the second

		      cell is the PWM default period in nanoseconds.



- qcom,num-lpg-channels:

	Usage: required

	Value type: <u32>

	Definition: The number of the consecutive LPG/PWM channels in the chip.



- qcom,lut-patterns:

	Usage: optional

	Value type: <prop-encoded-array>
@@ -122,6 +125,7 @@ Example: 
		compatible = "qcom,pwm-lpg";

		reg = <0xb100 0x600>, <0xb000 0x100>;

		reg-names = "lpg-base", "lut-base";

		qcom,num-lpg-channels = <6>;

		#pwm-cells = <2>;

		qcom,lut-patterns = <0 14 28 42 56 70 84 100

					100 84 70 56 42 28 14 0>;