Commit f747a1fe authored by Lee Jones's avatar Lee Jones Committed by Mark Brown
Browse files

regulator: pwm-regulator: Remove obsoleted property 



In "[3d7ef30] regulator: pwm-regulator: Simplify voltage to duty-cycle
call" we stopped using max_duty_cycle, so we can retire it from device
data and DT.

There is no need to deprecate this property, as it hasn't hit Mainline
yet.

Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent a505bfb1

Documentation/devicetree/bindings/regulator/pwm-regulator.txt

+4 −7
Original line number Original line Diff line number Diff line
@@ -29,15 +29,14 @@ Required properties: 




- pwms:			PWM specification (See: ../pwm/pwm.txt)

- pwms:			PWM specification (See: ../pwm/pwm.txt)





One of these must be provided:

Only required for Voltage Table Mode:

- voltage-table: 	Voltage and Duty-Cycle table consisting of 2 cells

- voltage-table: 	Voltage and Duty-Cycle table consisting of 2 cells

			    First cell is voltage in microvolts (uV)

			    First cell is voltage in microvolts (uV)

			    Second cell is duty-cycle in percent (%)

			    Second cell is duty-cycle in percent (%)





- max-duty-cycle:	Maximum Duty-Cycle value -- this will normally be

NB: To be clear, if voltage-table is provided, then the device will be used

  			255 (0xff) for an 8 bit PWM device

in Voltage Table Mode.  If no voltage-table is provided, then the device will



be used in Continuous Voltage Mode.

If both are provided, the current default is voltage-table mode.





Any property defined as part of the core regulator binding can also be used.

Any property defined as part of the core regulator binding can also be used.

(See: ../regulator/regulator.txt)

(See: ../regulator/regulator.txt)
@@ -49,8 +48,6 @@ Continuous Voltage Example: 
		regulator-min-microvolt = <1016000>;

		regulator-min-microvolt = <1016000>;

		regulator-max-microvolt = <1114000>;

		regulator-max-microvolt = <1114000>;

		regulator-name = "vdd_logic";

		regulator-name = "vdd_logic";



		max-duty-cycle = <255>; /* 8bit PWM */

	};

	};





Voltage Table Example:

Voltage Table Example:

drivers/regulator/pwm-regulator.c

+0 −9
Original line number Original line Diff line number Diff line
@@ -30,7 +30,6 @@ struct pwm_regulator_data { 
	int state;

	int state;





	/* Continuous voltage */

	/* Continuous voltage */

	u32 max_duty_cycle;

	int volt_uV;

	int volt_uV;

};

};
@@ -201,14 +200,6 @@ static int pwm_regulator_init_continuous(struct platform_device *pdev, 
					 struct pwm_regulator_data *drvdata)

					 struct pwm_regulator_data *drvdata)

{

{

	struct device_node *np = pdev->dev.of_node;

	struct device_node *np = pdev->dev.of_node;

	int ret;



	ret = of_property_read_u32(np, "max-duty-cycle",

				   &drvdata->max_duty_cycle);

	if (ret) {

		dev_err(&pdev->dev, "Failed to read \"pwm-max-value\"\n");

		return ret;

	}





	pwm_regulator_desc.ops = &pwm_regulator_voltage_continuous_ops;

	pwm_regulator_desc.ops = &pwm_regulator_voltage_continuous_ops;

	pwm_regulator_desc.continuous_voltage_range = true;

	pwm_regulator_desc.continuous_voltage_range = true;