This binding provides interface for adding values related to ASPEED
AST2400/2500 PWM and Fan tach controller support.
The PWM controller can support upto 8 PWM output ports.
The Fan tach controller can support upto 16 tachometer inputs.
Signed-off-by: Jaghathiswari Rankappagounder Natarajan
driver provides a sysfs entries through which the user can
configure the duty-cycle value (ranging from 0 to 100 percent) and read
the fan tach rpm value.
Signed-off-by: Jaghathiswari Rankappagounder Natarajan
---
v7:
- Made corrections for the sparse errors
v6:
- Corrected odd line breaks
) is reported.
Jaghathiswari Rankappagounder Natarajan (2):
Documentation: dt-bindings: Document bindings for ASPEED
AST2400/AST2500 PWM and Fan tach controller device driver
drivers: hwmon: Support for ASPEED PWM/Fan tach
.../devicetree/bindings/hwmon/aspeed-pwm-tacho.txt | 68
This binding provides interface for adding values related to ASPEED
AST2400/2500 PWM and Fan tach controller support.
The PWM controller can support upto 8 PWM output ports.
The Fan tach controller can support upto 16 tachometer inputs.
Signed-off-by: Jaghathiswari Rankappagounder Natarajan
) is reported.
Jaghathiswari Rankappagounder Natarajan (2):
Documentation: dt-bindings: Document bindings for ASPEED
AST2400/AST2500 PWM and Fan tach controller device driver
drivers: hwmon: Support for ASPEED PWM/Fan tach
.../devicetree/bindings/hwmon/aspeed-pwm-tacho.txt | 68
driver provides a sysfs entries through which the user can
configure the duty-cycle value (ranging from 0 to 100 percent) and read
the fan tach rpm value.
Signed-off-by: Jaghathiswari Rankappagounder Natarajan
---
v6
- Corrected odd line breaks
- Changed upto to up to
- Dropped unrelated changes
Please provide review comments.
On Fri, Mar 24, 2017 at 11:17 AM, Jaghathiswari Rankappagounder
Natarajan wrote:
> The ASPEED AST2400/2500 PWM controller supports 8 PWM output ports.
> The ASPEED AST2400/2500 Fan tach controller supports 16 tachometer
> inputs.
> The device driver ma
Please provide review comments.
On Fri, Mar 24, 2017 at 11:17 AM, Jaghathiswari Rankappagounder
Natarajan wrote:
> This binding provides interface for adding values related to ASPEED
> AST2400/2500 PWM and Fan tach controller support.
> The PWM controller can support upto 8 PWM out
This binding provides interface for adding values related to ASPEED
AST2400/2500 PWM and Fan tach controller support.
The PWM controller can support upto 8 PWM output ports.
The Fan tach controller can support upto 16 tachometer inputs.
Signed-off-by: Jaghathiswari Rankappagounder Natarajan
) is reported.
Jaghathiswari Rankappagounder Natarajan (2):
Documentation: dt-bindings: Document bindings for ASPEED
AST2400/AST2500 PWM and Fan tach controller device driver
drivers: hwmon: Support for ASPEED PWM/Fan tach
.../devicetree/bindings/hwmon/aspeed-pwm-tacho.txt | 68
driver provides a sysfs entries through which the user can
configure the duty-cycle value (ranging from 0 to 100 percent) and read
the
fan tach rpm value.
Signed-off-by: Jaghathiswari Rankappagounder Natarajan
---
v5:
- Changed the driver to suit the changes in the device tree documentation
v4
driver provides a sysfs entries through which the user can
configure the duty-cycle value (ranging from 0 to 100 percent) and read the
fan tach rpm value.
Signed-off-by: Jaghathiswari Rankappagounder Natarajan
---
v4:
- Modified this driver to suit the representation in the devicetree
v3:
- Only
This binding provides interface for adding values related to ASPEED
AST2400/2500 PWM and Fan tach controller support.
The PWM controller can support upto 8 PWM output ports.
The Fan tach controller can support upto 16 tachometer inputs.
Signed-off-by: Jaghathiswari Rankappagounder Natarajan
) is reported.
Jaghathiswari Rankappagounder Natarajan (2):
Documentation: dt-bindings: Document bindings for ASPEED
AST2400/AST2500 PWM and Fan tach controller device driver
drivers: hwmon: Support for ASPEED PWM/Fan tach
.../devicetree/bindings/hwmon/aspeed-pwm-tacho.txt | 86
On Wed, Feb 1, 2017 at 6:58 AM, Rob Herring wrote:
> On Fri, Jan 27, 2017 at 01:33:59AM -0800, Jaghathiswari Rankappagounder
> Natarajan wrote:
>> This binding provides interface for adding values related to ASPEED
>> AST2400/2500 PWM and Fan tach controller support.
>>
On Fri, Jan 27, 2017 at 1:32 AM, Jaghathiswari Rankappagounder
Natarajan wrote:
>
>
> On Fri, Jan 13, 2017 at 8:21 AM, Rob Herring wrote:
>>
>> On Mon, Jan 09, 2017 at 01:59:34PM -0800, Jaghathiswari Rankappagounder
>> Natarajan wrote:
>> > This binding
>groups[1] = &fan_dev_group;
+ hwmon = devm_hwmon_device_register_with_groups(dev,
+ "aspeed_pwm_tacho",
+ priv, priv->groups);
+ return PTR_ERR_OR_ZERO(h
independent
PWM/Fan Tach related settings.
Signed-off-by: Jaghathiswari Rankappagounder Natarajan
---
v2:
- Removed '_' in node or property names
- Gave some explanation for the properties used.
.../devicetree/bindings/hwmon/aspeed-pwm-tacho.txt | 178 +
1 file changed, 178
values
are read from the device tree and written to the respective registers.
The driver provides a sysfs entries through which the user can
configure the duty-cycle value (ranging from 0 to 100 percent) and read the
fan tach rpm value.
Signed-off-by: Jaghathiswari Rankappagounder Natarajan
independent
PWM sources.
Signed-off-by: Jaghathiswari Rankappagounder Natarajan
---
.../devicetree/bindings/hwmon/aspeed-pwm-tacho.txt | 153 +
1 file changed, 153 insertions(+)
create mode 100644 Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt
diff --git a
fan speed increases and higher fan rpm value(corresponding
to the duty cycle) is reported.
Tested on AST2500 EVB board and observed the PWM output pulses come
correctly based on the given settings using Logic Saleae Analyzer.
Jaghathiswari Rankappagounder Natarajan (2):
Documentation: dt-bindings
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