Subject: [PATCH] ARM: at91: dts: add adc resolution stuff

From: [email-masked] (Jonathan Cameron)
Date: Tue, 02 Apr 2013 19:13:38 +0100

On 03/29/2013 02:37 PM, Nicolas Ferre wrote:
> On 03/29/2013 10:47 AM, Jonathan Cameron :
>> On 03/29/2013 09:13 AM, ludovic.desroches at atmel.com wrote:
>>> From: Ludovic Desroches <[email-masked]>
>>>
>>> Add the ADC low and high resolution configuration and which one to use.
>>>
>>> Signed-off-by: Ludovic Desroches <[email-masked]>
>>
>>> ---
>>>
>>> Hi,
>>>
>>> This patch is a split from this set of patches:
>>> http://thread.gmane.org/gmane.linux.ports.arm.kernel/206130/focus=6321
>>>
>>> Then device tree changes can go through ARM-SOC and driver changes through the
>>> iio subsystem.
>> I am guessing the IIO side is to follow.  Even when posting series where it different
>> bits are to go through different trees, it is useful to have them in one series so that
>> people can see the whole result.
> 
> Yes, a v2 series is coming. In fact, I asked Ludovic to post his .dtsi
> modifications separately because:
> - From the fist discussion, it seemed that we reached a consensus and
> that the current binding is okay

Consensus is probably putting it a bit strongly given Maxime's comments
but as there was no specific alternative suggested and they Maxime
was raising general issues rathe rthan specifics, I'll take the
iio side of these as is.

> - I have to reassemble a pull-request to arm-soc maintainers for 3.10
> and it seems that is is time to collect all material.
> 
> So, I plan to stack this update of AT91 device tree files real soon. If
> you want to give me your acknowledgement once you have read the whole
> series, let me know...
> 
> Best regards,
> 
> 
>>>  arch/arm/boot/dts/at91sam9260.dtsi | 3 +++
>>>  arch/arm/boot/dts/at91sam9g45.dtsi | 3 +++
>>>  arch/arm/boot/dts/at91sam9x5.dtsi  | 3 +++
>>>  3 files changed, 9 insertions(+)
>>>
>>> diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
>>> index cb7bcc5..367a604 100644
>>> --- a/arch/arm/boot/dts/at91sam9260.dtsi
>>> +++ b/arch/arm/boot/dts/at91sam9260.dtsi
>>> @@ -484,6 +484,9 @@
>>>  				atmel,adc-drdy-mask = <0x10000>;
>>>  				atmel,adc-status-register = <0x1c>;
>>>  				atmel,adc-trigger-register = <0x04>;
>>> +				atmel,adc-res = <8 10>;
>>> +				atmel,adc-res-names = "lowres", "highres";
>>> +				atmel,adc-use-res = "highres";
>>>  
>>>  				trigger at 0 {
>>>  					trigger-name = "timer-counter-0";
>>> diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi
>>> index 6b1d4ca..0fa28af 100644
>>> --- a/arch/arm/boot/dts/at91sam9g45.dtsi
>>> +++ b/arch/arm/boot/dts/at91sam9g45.dtsi
>>> @@ -484,6 +484,9 @@
>>>  				atmel,adc-drdy-mask = <0x10000>;
>>>  				atmel,adc-status-register = <0x1c>;
>>>  				atmel,adc-trigger-register = <0x08>;
>>> +				atmel,adc-res = <8 10>;
>>> +				atmel,adc-res-names = "lowres", "highres";
>>> +				atmel,adc-use-res = "highres";
>>>  
>>>  				trigger at 0 {
>>>  					trigger-name = "external-rising";
>>> diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
>>> index a98c0d5..08bcdd7 100644
>>> --- a/arch/arm/boot/dts/at91sam9x5.dtsi
>>> +++ b/arch/arm/boot/dts/at91sam9x5.dtsi
>>> @@ -505,6 +505,9 @@
>>>  				atmel,adc-drdy-mask = <0x1000000>;
>>>  				atmel,adc-status-register = <0x30>;
>>>  				atmel,adc-trigger-register = <0xc0>;
>>> +				atmel,adc-res = <8 10>;
>>> +				atmel,adc-res-names = "lowres", "highres";
>>> +				atmel,adc-use-res = "highres";
>>>  
>>>  				trigger at 0 {
>>>  					trigger-name = "external-rising";
>>>
>>
>>
> 
>