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SubjectRe: [PATCH 2/3] iio: adc: Add PMIC7 ADC bindings
On Mon, 6 Apr 2020 17:15:21 +0530
Jishnu Prakash <jprakash@codeaurora.org> wrote:

> Hi Jonathan,
>
> On 3/28/2020 10:24 PM, Jonathan Cameron wrote:
> > On Tue, 24 Mar 2020 21:14:09 +0530
> > Jishnu Prakash <jprakash@codeaurora.org> wrote:
> >
> >> Add documentation for PMIC7 ADC peripheral. For PMIC7 ADC, all SW
> >> communication to ADC goes through PMK8350, which communicates with
> >> other PMICs through PBS.
> >>
> >> Signed-off-by: Jishnu Prakash <jprakash@codeaurora.org>
> >> ---
> >> .../bindings/iio/adc/qcom,spmi-vadc.yaml | 28 ++++++++++++++++------
> >> 1 file changed, 21 insertions(+), 7 deletions(-)
> >>
> >> diff --git a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml
> >> index 72db14c..20f010c 100644
> >> --- a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml
> >> +++ b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml
> >> @@ -13,7 +13,7 @@ maintainers:
> >> description: |
> >> SPMI PMIC voltage ADC (VADC) provides interface to clients to read
> >> voltage. The VADC is a 15-bit sigma-delta ADC.
> >> - SPMI PMIC5 voltage ADC (ADC) provides interface to clients to read
> >> + SPMI PMIC5/PMIC7 voltage ADC (ADC) provides interface to clients to read
> >> voltage. The VADC is a 16-bit sigma-delta ADC.
> >>
> >> properties:
> >> @@ -23,6 +23,7 @@ properties:
> >> - qcom,spmi-adc5
> >> - qcom,spmi-adc-rev2
> >> - qcom,pms405-adc
> >> + - qcom,spmi-adc7
> >>
> >> reg:
> >> description: VADC base address in the SPMI PMIC register map
> >> @@ -65,6 +66,8 @@ patternProperties:
> >> description: |
> >> ADC channel number.
> >> See include/dt-bindings/iio/qcom,spmi-vadc.h
> >> + For PMIC7 ADC, the channel numbers are specified separately per PMIC
> >> + in the PMIC-specific files in include/dt-bindings/iio/.
> > That makes me thing we really should have separate compatibles. The
> > parts clearly have differences, even if we haven't needed to use them
> > explicitly as yet.
> I'm not sure what you mean by this. We have added a new compatible
> property "qcom,spmi-adc7" for PMIC7 ADC.

I've no idea what I meant either :)

Jonathan
> >
> >>
> >> label:
> >> description: |
> >> @@ -72,7 +75,7 @@ patternProperties:
> >> For thermistor inputs connected to generic AMUX or GPIO inputs
> >> these can vary across platform for the same pins. Hence select
> >> the platform schematics name for this channel. It is required
> >> - for "qcom,spmi-adc5" and "qcom,spmi-adc-rev2".
> >> + for "qcom,spmi-adc5", "qcom,spmi-adc7" and "qcom,spmi-adc-rev2".
> >> allOf:
> >> - $ref: /schemas/types.yaml#/definitions/string
> >>
> >>


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