openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Lee Jones 2015-07-09 16:35:27 +01:00 committed by Mark Brown
parent a505bfb10a
commit f747a1fe78
2 changed files with 4 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
Documentation/devicetree/bindings/regulator/pwm-regulator.txt
View File

@ -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:

9
drivers/regulator/pwm-regulator.c
View File

@ -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;