Re: [PATCH v7 07/10] Documentation: Add sbs-manager device tree node documentation

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Hi,

On Thu, Jun 15, 2017 at 09:59:35PM +0800, Phil Reid wrote:
> From: Karl-Heinz Schneider <karl-heinz@xxxxxxxxxxxxxxxxx>
> 
> This patch adds device tree documentation for the sbs-manager
> 
> Signed-off-by: Karl-Heinz Schneider <karl-heinz@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Phil Reid <preid@xxxxxxxxxxxxxxxxx>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>

Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>

-- Sebastian

> ---
>  .../bindings/power/supply/sbs,sbs-manager.txt      | 66 ++++++++++++++++++++++
>  1 file changed, 66 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/power/supply/sbs,sbs-manager.txt
> 
> diff --git a/Documentation/devicetree/bindings/power/supply/sbs,sbs-manager.txt b/Documentation/devicetree/bindings/power/supply/sbs,sbs-manager.txt
> new file mode 100644
> index 0000000..4b219557
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/supply/sbs,sbs-manager.txt
> @@ -0,0 +1,66 @@
> +Binding for sbs-manager
> +
> +Required properties:
> +- compatible: "<vendor>,<part-number>", "sbs,sbs-charger" as fallback. The part
> +  number compatible string might be used in order to take care of vendor
> +  specific registers.
> +- reg: integer, i2c address of the device. Should be <0xa>.
> +Optional properties:
> +- gpio-controller: Marks the port as GPIO controller.
> +  See "gpio-specifier" in .../devicetree/bindings/gpio/gpio.txt.
> +- #gpio-cells: Should be <2>. The first cell is the pin number, the second cell
> +  is used to specify optional parameters:
> +  See "gpio-specifier" in .../devicetree/bindings/gpio/gpio.txt.
> +
> +From OS view the device is basically an i2c-mux used to communicate with up to
> +four smart battery devices at address 0xb. The driver actually implements this
> +behaviour. So standard i2c-mux nodes can be used to register up to four slave
> +batteries. Channels will be numerated starting from 1 to 4.
> +
> +Example:
> +
> +batman@a {
> +    compatible = "lltc,ltc1760", "sbs,sbs-manager";
> +    reg = <0x0a>;
> +    #address-cells = <1>;
> +    #size-cells = <0>;
> +
> +    gpio-controller;
> +    #gpio-cells = <2>;
> +
> +    i2c@1 {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        reg = <1>;
> +
> +        battery@b {
> +            compatible = "ti,bq2060", "sbs,sbs-battery";
> +            reg = <0x0b>;
> +            sbs,battery-detect-gpios = <&batman 1 1>;
> +        };
> +    };
> +
> +    i2c@2 {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        reg = <2>;
> +
> +        battery@b {
> +            compatible = "ti,bq2060", "sbs,sbs-battery";
> +            reg = <0x0b>;
> +            sbs,battery-detect-gpios = <&batman 2 1>;
> +        };
> +    };
> +
> +    i2c@3 {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        reg = <3>;
> +
> +        battery@b {
> +            compatible = "ti,bq2060", "sbs,sbs-battery";
> +            reg = <0x0b>;
> +            sbs,battery-detect-gpios = <&batman 3 1>;
> +        };
> +    };
> +};
> -- 
> 1.8.3.1
> 

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