On Wed, Sep 21, 2016 at 04:41:11PM +0800, Phil Reid wrote:
> From: Karl-Heinz Schneider <karl-heinz@xxxxxxxxxxxxxxxxx>
>
> This patch adds device tree documentation for the sbs-manager
>
> Reviewed-by: Phil Reid <preid@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Karl-Heinz Schneider <karl-heinz@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Phil Reid <preid@xxxxxxxxxxxxxxxxx>
> ---
> .../bindings/power/supply/sbs,sbs-manager.txt | 62 ++++++++++++++++++++++
> 1 file changed, 62 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..2a04b30
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/supply/sbs,sbs-manager.txt
> @@ -0,0 +1,62 @@
> +Binding for sbs-manager
> +
> +Required properties:
> +- compatible: should be "lltc,ltc1760" or use "sbs,sbs-manager" as fallback.
> +- 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.
Is this leftover from the last version? It doesn't look like you are
using any GPIOs in the example.
> +
> +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. See Documentation/devicetree/bindings/i2c/i2c-mux.txt for more
> +information on i2c-mux nodes. Channels will be numerated starting from 1 to 4.
> +
> +Example:
> +
> +batman@0a {
> + compatible = "lltc,ltc1760";
> + 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 = <0xb>;
> + };
> + };
> +
> + i2c@2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> +
> + battery@b {
> + compatible = "ti,bq2060", "sbs,sbs-battery";
> + reg = <0xb>;
> + };
> + };
> +
> + i2c@3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> +
> + battery@b {
> + compatible = "ti,bq2060", "sbs,sbs-battery";
> + reg = <0xb>;
> + };
> + };
> +};
> --
> 1.8.3.1
>
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