Re: [PATCH 1/3] dt-bindings: iio: stm32-adc: add support for STM32MP1.

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On Wed, 25 Apr 2018 09:22:02 +0200
Fabrice Gasnier <fabrice.gasnier@xxxxxx> wrote:

> On 04/24/2018 06:27 PM, Rob Herring wrote:
> > On Wed, Apr 18, 2018 at 05:37:52PM +0200, Fabrice Gasnier wrote:  
> >> Document support for STM32MP1 ADC. It's quite similar to STM32H7 ADC.
> >> Introduce "st,stm32mp1-adc" compatible to handle variants of this
> >> hardware such as vregready flag, interrupts, clock rate.
> >>
> >> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxx>
> >> ---
> >>  Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt | 6 +++++-
> >>  1 file changed, 5 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt
> >> index e8bb824..9994384 100644
> >> --- a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt
> >> +++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt
> >> @@ -24,8 +24,11 @@ Required properties:
> >>  - compatible: Should be one of:
> >>    "st,stm32f4-adc-core"
> >>    "st,stm32h7-adc-core"
> >> +  "st,stm32mp1-adc-core"
> >>  - reg: Offset and length of the ADC block register set.
> >> -- interrupts: Must contain the interrupt for ADC block.
> >> +- interrupts: One or more interrupts for ADC block. Some parts like stm32f4
> >> +  and stm32h7 share a common ADC interrupt line. stm32mp1 has separate
> >> +  lines for each ADC within ADC block.  
> > 
> > How many interrupt lines is that?  
> 
> Hi Rob, Jonathan,
> 
> I should have mentioned this: stm32mp1 has two separate interrupt lines
> for each ADC within ADC block.
> 
> Do you wish I send a V2 for this ? Or a patch to fix this ?
Hmm. I haven't pushed this out as non rebasing so I'll revert this
and the associated support so you can clean this corner up.

So please send a V2.

Thanks,

Jonathan

> 
> Please let me know,
> BR,
> Fabrice
> 
> >   
> >>  - clocks: Core can use up to two clocks, depending on part used:
> >>    - "adc" clock: for the analog circuitry, common to all ADCs.
> >>      It's required on stm32f4.
> >> @@ -53,6 +56,7 @@ Required properties:
> >>  - compatible: Should be one of:
> >>    "st,stm32f4-adc"
> >>    "st,stm32h7-adc"
> >> +  "st,stm32mp1-adc"
> >>  - reg: Offset of ADC instance in ADC block (e.g. may be 0x0, 0x100, 0x200).
> >>  - clocks: Input clock private to this ADC instance. It's required only on
> >>    stm32f4, that has per instance clock input for registers access.
> >> -- 
> >> 1.9.1
> >>  
> --
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