[PATCH v5] PWM: atmel-pwm: add PWM controller driver

Bo Shen voice.shen at atmel.com
Tue Oct 22 06:13:10 EDT 2013


Hi All,

On 10/8/2013 21:17, Thierry Reding wrote:
> On Mon, Sep 30, 2013 at 05:10:40PM +0800, Bo Shen wrote:
>> Add Atmel PWM controller driver based on PWM framework.
>>
>> This is the basic function implementation of Atmel PWM controller.
>> It can work with PWM based led and backlight.
>>
>> Signed-off-by: Bo Shen <voice.shen at atmel.com>
>>
>> ---
>> Changes in v5:
>>    - call clk_disable directly, if so, it won't cause more than one channel
>>      enabled, the clock can not be disabled.
>>
>> Changes in v4:
>>    - check the return value of clk_prepare()
>>    - change channel register size as constant
>>
>> Changes in v3:
>>    - change compatible string from "atmel,sama5-pwm" to "atmel,sama5d3-pwm"
>>    - Add PWM led example in binding documentation
>>    - Using micro replace hard code
>>
>> Changes in v2:
>>    - Address the comments from Thierry Reding
>>
>>   .../devicetree/bindings/pwm/atmel-pwm.txt          |   41 +++
>>   drivers/pwm/Kconfig                                |    9 +
>>   drivers/pwm/Makefile                               |    1 +
>>   drivers/pwm/pwm-atmel.c                            |  344 ++++++++++++++++++++
>>   4 files changed, 395 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/pwm/atmel-pwm.txt
>>   create mode 100644 drivers/pwm/pwm-atmel.c
>
> I haven't seen an Acked-by from the device tree bindings maintainers on
> this. I've Cc'ed them, so hopefully one of them has time to review.

Any comments?

Best Regards,
Bo Shen



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