Re: [PATCH v2 2/3] dt-bindings: iio: adc: mcp3911: add reset-gpios
From: Jonathan Cameron
Date: Mon May 05 2025 - 08:57:13 EST
On Mon, 28 Apr 2025 17:40:38 +0100
Conor Dooley <conor@xxxxxxxxxx> wrote:
> On Mon, Apr 28, 2025 at 08:54:12AM +0200, Marcus Folkesson wrote:
> > The MCP391X family provides an active low reset signal that is still not
> > described in the bindings.
> >
> > Add reset-gpios to the bindings and the example.
> >
> > Co-developed-by: Lukas Rauber <lukas.rauber@xxxxxxxxxx>
> > Signed-off-by: Lukas Rauber <lukas.rauber@xxxxxxxxxx>
> > Signed-off-by: Marcus Folkesson <marcus.folkesson@xxxxxxxxx>
>
> Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
Just for reference this also had an ack from Krzysztof on v1 which
raced with this version being posted.
b4 found both and confused me :)
Jonathan
>
> > ---
> > Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml b/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml
> > index 06951ec5f5da381a9bb942d0ac7416128eebd3bc..3a69ec60edb915ae16312b94fddd32f5c87f37a7 100644
> > --- a/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml
> > +++ b/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml
> > @@ -32,6 +32,9 @@ properties:
> > spi-max-frequency:
> > maximum: 20000000
> >
> > + reset-gpios:
> > + maxItems: 1
> > +
> > clocks:
> > description: |
> > Phandle and clock identifier for external sampling clock.
> > @@ -71,6 +74,7 @@ unevaluatedProperties: false
> >
> > examples:
> > - |
> > + #include <dt-bindings/gpio/gpio.h>
> > spi {
> > #address-cells = <1>;
> > #size-cells = <0>;
> > @@ -80,6 +84,7 @@ examples:
> > reg = <0>;
> > interrupt-parent = <&gpio5>;
> > interrupts = <15 2>;
> > + reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
> > spi-max-frequency = <20000000>;
> > microchip,device-addr = <0>;
> > vref-supply = <&vref_reg>;
> >
> > --
> > 2.49.0
> >