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* [PATCH] arm64: dts: allwinner: a64-amarula-relic: Add STLM75 sensor
@ 2019-01-24 17:52 Jagan Teki
  2019-01-25  8:40 ` Maxime Ripard
  0 siblings, 1 reply; 4+ messages in thread
From: Jagan Teki @ 2019-01-24 17:52 UTC (permalink / raw)
  To: Maxime Ripard, Chen-Yu Tsai, Rob Herring, Mark Rutland
  Cc: Michael Trimarchi, linux-amarula, devicetree, linux-kernel, Jagan Teki

Amarula A64 Relic has STLM75 sensor for digital temperature
and thermal watchdog.

Add support for it.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
Note: the respective driver change is already in mainline
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=2e9a41bbc1079776dabe42ed8113b086b99ae56c

 .../dts/allwinner/sun50i-a64-amarula-relic.dts    | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
index 6cb2b7f0c817..5d942543d978 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
@@ -34,6 +34,21 @@
 	status = "okay";
 };
 
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins>;
+	status = "okay";
+
+	temp@48 {
+		compatible = "st,stlm75";
+		reg = <0x48>;
+	};
+};
+
+&i2c0_pins {
+	bias-pull-up;
+};
+
 &mmc1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc1_pins>;
-- 
2.18.0.321.gffc6fa0e3


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] arm64: dts: allwinner: a64-amarula-relic: Add STLM75 sensor
  2019-01-24 17:52 [PATCH] arm64: dts: allwinner: a64-amarula-relic: Add STLM75 sensor Jagan Teki
@ 2019-01-25  8:40 ` Maxime Ripard
  2019-01-28  7:16   ` Jagan Teki
  0 siblings, 1 reply; 4+ messages in thread
From: Maxime Ripard @ 2019-01-25  8:40 UTC (permalink / raw)
  To: Jagan Teki
  Cc: Chen-Yu Tsai, Rob Herring, Mark Rutland, Michael Trimarchi,
	linux-amarula, devicetree, linux-kernel

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On Thu, Jan 24, 2019 at 11:22:54PM +0530, Jagan Teki wrote:
> Amarula A64 Relic has STLM75 sensor for digital temperature
> and thermal watchdog.
> 
> Add support for it.
> 
> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
> ---
> Note: the respective driver change is already in mainline
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=2e9a41bbc1079776dabe42ed8113b086b99ae56c
> 
>  .../dts/allwinner/sun50i-a64-amarula-relic.dts    | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
> index 6cb2b7f0c817..5d942543d978 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
> @@ -34,6 +34,21 @@
>  	status = "okay";
>  };
>  
> +&i2c0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&i2c0_pins>;
> +	status = "okay";
> +
> +	temp@48 {

That would be sensor@48

> +		compatible = "st,stlm75";

That compatible isn't documented.

The rest looks good, thanks!
Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] arm64: dts: allwinner: a64-amarula-relic: Add STLM75 sensor
  2019-01-25  8:40 ` Maxime Ripard
@ 2019-01-28  7:16   ` Jagan Teki
  2019-01-28 12:33     ` Maxime Ripard
  0 siblings, 1 reply; 4+ messages in thread
From: Jagan Teki @ 2019-01-28  7:16 UTC (permalink / raw)
  To: Maxime Ripard
  Cc: Chen-Yu Tsai, Rob Herring, Mark Rutland, Michael Trimarchi,
	linux-amarula, devicetree, linux-kernel

On Fri, Jan 25, 2019 at 2:10 PM Maxime Ripard <maxime.ripard@bootlin.com> wrote:
>
> On Thu, Jan 24, 2019 at 11:22:54PM +0530, Jagan Teki wrote:
> > Amarula A64 Relic has STLM75 sensor for digital temperature
> > and thermal watchdog.
> >
> > Add support for it.
> >
> > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
> > ---
> > Note: the respective driver change is already in mainline
> > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=2e9a41bbc1079776dabe42ed8113b086b99ae56c
> >
> >  .../dts/allwinner/sun50i-a64-amarula-relic.dts    | 15 +++++++++++++++
> >  1 file changed, 15 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
> > index 6cb2b7f0c817..5d942543d978 100644
> > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
> > @@ -34,6 +34,21 @@
> >       status = "okay";
> >  };
> >
> > +&i2c0 {
> > +     pinctrl-names = "default";
> > +     pinctrl-0 = <&i2c0_pins>;
> > +     status = "okay";
> > +
> > +     temp@48 {
>
> That would be sensor@48
>
> > +             compatible = "st,stlm75";
>
> That compatible isn't documented.

True, but none of the compatible strings used on the driver doesn't
documented in binding instead there are documented in
Documentation/hwmon/lm75.

Don't know the exact reason, do we need to document this in binding as well?

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] arm64: dts: allwinner: a64-amarula-relic: Add STLM75 sensor
  2019-01-28  7:16   ` Jagan Teki
@ 2019-01-28 12:33     ` Maxime Ripard
  0 siblings, 0 replies; 4+ messages in thread
From: Maxime Ripard @ 2019-01-28 12:33 UTC (permalink / raw)
  To: Jagan Teki
  Cc: Chen-Yu Tsai, Rob Herring, Mark Rutland, Michael Trimarchi,
	linux-amarula, devicetree, linux-kernel

On Mon, Jan 28, 2019 at 12:46:48PM +0530, Jagan Teki wrote:
> On Fri, Jan 25, 2019 at 2:10 PM Maxime Ripard <maxime.ripard@bootlin.com> wrote:
> >
> > On Thu, Jan 24, 2019 at 11:22:54PM +0530, Jagan Teki wrote:
> > > Amarula A64 Relic has STLM75 sensor for digital temperature
> > > and thermal watchdog.
> > >
> > > Add support for it.
> > >
> > > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
> > > ---
> > > Note: the respective driver change is already in mainline
> > > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=2e9a41bbc1079776dabe42ed8113b086b99ae56c
> > >
> > >  .../dts/allwinner/sun50i-a64-amarula-relic.dts    | 15 +++++++++++++++
> > >  1 file changed, 15 insertions(+)
> > >
> > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
> > > index 6cb2b7f0c817..5d942543d978 100644
> > > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
> > > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
> > > @@ -34,6 +34,21 @@
> > >       status = "okay";
> > >  };
> > >
> > > +&i2c0 {
> > > +     pinctrl-names = "default";
> > > +     pinctrl-0 = <&i2c0_pins>;
> > > +     status = "okay";
> > > +
> > > +     temp@48 {
> >
> > That would be sensor@48
> >
> > > +             compatible = "st,stlm75";
> >
> > That compatible isn't documented.
> 
> True, but none of the compatible strings used on the driver doesn't
> documented in binding instead there are documented in
> Documentation/hwmon/lm75.

It doesn't look like a DT binding documentation.

> Don't know the exact reason, do we need to document this in binding
> as well?

Yep

Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2019-01-28 12:33 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2019-01-24 17:52 [PATCH] arm64: dts: allwinner: a64-amarula-relic: Add STLM75 sensor Jagan Teki
2019-01-25  8:40 ` Maxime Ripard
2019-01-28  7:16   ` Jagan Teki
2019-01-28 12:33     ` Maxime Ripard

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