diff mbox series

[4/5] dt-bindings: power: sc27xx: Add a new property to describe the real resistance of coulomb counter chip

Message ID 00202f739348258555dcc40982c330542ac61863.1572245011.git.baolin.wang@linaro.org (mailing list archive)
State Not Applicable, archived
Headers show
Series Improve the SC27XX fuel gauge controller | expand

Commit Message

(Exiting) Baolin Wang Oct. 28, 2019, 7:19 a.m. UTC
Add a new property to describe the real resistance of coulomb counter chip,
which is used to calibrate the accuracy of the coulomb counter chip.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
---
 .../devicetree/bindings/power/supply/sc27xx-fg.txt |    2 ++
 1 file changed, 2 insertions(+)

Comments

Rob Herring Oct. 30, 2019, 2:39 p.m. UTC | #1
On Mon, Oct 28, 2019 at 03:19:00PM +0800, Baolin Wang wrote:
> Add a new property to describe the real resistance of coulomb counter chip,
> which is used to calibrate the accuracy of the coulomb counter chip.
> 
> Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
> ---
>  .../devicetree/bindings/power/supply/sc27xx-fg.txt |    2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt b/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt
> index 0a5705b..fc042d0 100644
> --- a/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt
> +++ b/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt
> @@ -13,6 +13,7 @@ Required properties:
>  - io-channel-names: Should be "bat-temp" or "charge-vol".
>  - nvmem-cells: A phandle to the calibration cells provided by eFuse device.
>  - nvmem-cell-names: Should be "fgu_calib".
> +- sprd,calib-resistance: Specify the real resistance of coulomb counter chip in micro Ohms.
>  - monitored-battery: Phandle of battery characteristics devicetree node.
>    See Documentation/devicetree/bindings/power/supply/battery.txt

Needs a standard unit suffix.

>  
> @@ -52,5 +53,6 @@ Example:
>  			nvmem-cells = <&fgu_calib>;
>  			nvmem-cell-names = "fgu_calib";
>  			monitored-battery = <&bat>;
> +			sprd,calib-resistance = <21500>;
>  		};
>  	};
> -- 
> 1.7.9.5
>
(Exiting) Baolin Wang Oct. 31, 2019, 2:14 a.m. UTC | #2
Hi Rob,

On Wed, 30 Oct 2019 at 22:39, Rob Herring <robh@kernel.org> wrote:
>
> On Mon, Oct 28, 2019 at 03:19:00PM +0800, Baolin Wang wrote:
> > Add a new property to describe the real resistance of coulomb counter chip,
> > which is used to calibrate the accuracy of the coulomb counter chip.
> >
> > Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
> > ---
> >  .../devicetree/bindings/power/supply/sc27xx-fg.txt |    2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt b/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt
> > index 0a5705b..fc042d0 100644
> > --- a/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt
> > +++ b/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt
> > @@ -13,6 +13,7 @@ Required properties:
> >  - io-channel-names: Should be "bat-temp" or "charge-vol".
> >  - nvmem-cells: A phandle to the calibration cells provided by eFuse device.
> >  - nvmem-cell-names: Should be "fgu_calib".
> > +- sprd,calib-resistance: Specify the real resistance of coulomb counter chip in micro Ohms.
> >  - monitored-battery: Phandle of battery characteristics devicetree node.
> >    See Documentation/devicetree/bindings/power/supply/battery.txt
>
> Needs a standard unit suffix.

Got it. Thanks.
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt b/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt
index 0a5705b..fc042d0 100644
--- a/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt
+++ b/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt
@@ -13,6 +13,7 @@  Required properties:
 - io-channel-names: Should be "bat-temp" or "charge-vol".
 - nvmem-cells: A phandle to the calibration cells provided by eFuse device.
 - nvmem-cell-names: Should be "fgu_calib".
+- sprd,calib-resistance: Specify the real resistance of coulomb counter chip in micro Ohms.
 - monitored-battery: Phandle of battery characteristics devicetree node.
   See Documentation/devicetree/bindings/power/supply/battery.txt
 
@@ -52,5 +53,6 @@  Example:
 			nvmem-cells = <&fgu_calib>;
 			nvmem-cell-names = "fgu_calib";
 			monitored-battery = <&bat>;
+			sprd,calib-resistance = <21500>;
 		};
 	};