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 <
.
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 <ja...@google.com>
---
v7:
- Made corrections for the sparse errors
v6:
- Correct
) 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
.
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 <ja...@google.com>
---
v6
- Corrected odd line breaks
- Changed upto to up to
- D
Please provide review comments.
On Fri, Mar 24, 2017 at 11:17 AM, Jaghathiswari Rankappagounder
Natarajan <ja...@google.com> wrote:
> The ASPEED AST2400/2500 PWM controller supports 8 PWM output ports.
> The ASPEED AST2400/2500 Fan tach controller supports 16 tachometer
> input
Please provide review comments.
On Fri, Mar 24, 2017 at 11:17 AM, Jaghathiswari Rankappagounder
Natarajan <ja...@google.com> wrote:
> This binding provides interface for adding values related to ASPEED
> AST2400/2500 PWM and Fan tach controller support.
> The PWM controller can sup
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
.
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 <ja...@google.com>
---
v5:
- Changed the driver to suit the changes in the devic
.
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 <ja...@google.com>
---
v4:
- Modified this driver to suit the represen
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 <r...@kernel.org> 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 contro
On Fri, Jan 27, 2017 at 1:32 AM, Jaghathiswari Rankappagounder
Natarajan <ja...@google.com> wrote:
>
>
> On Fri, Jan 13, 2017 at 8:21 AM, Rob Herring <r...@kernel.org> wrote:
>>
>> On Mon, Jan 09, 2017 at 01:59:34PM -0800, Jaghathiswari Rankappagounder
>
evm_hwmon_device_register_with_groups(dev,
+ "aspeed_pwm_tacho",
+ priv, priv->groups);
+ return PTR_ERR_OR_ZERO(hwmon);
+}
+
+static const struct of_device_id of_pwm_tacho_match_table[]
independent
PWM/Fan Tach related settings.
Signed-off-by: Jaghathiswari Rankappagounder Natarajan <ja...@google.com>
---
v2:
- Removed '_' in node or property names
- Gave some explanation for the properties used.
.../devicetree/bindings/hwmon/aspeed-pwm-tacho.txt | 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 <
then the 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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