Re: [PATCH v2 2/2] i2c: aspeed: added documentation for Aspeed I2C driver

[Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>]

On Fri, Sep 09, 2016 at 06:55:51PM -0700, Brendan Higgins wrote:
> Added device tree binding documentation for Aspeed I2C controller and
> busses.
> 
> Signed-off-by: Brendan Higgins <brendanhiggins-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
> ---
> Changes for v2:
>   - None
> ---
>  .../devicetree/bindings/i2c/i2c-aspeed.txt         | 63 ++++++++++++++++++++++
>  1 file changed, 63 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/i2c/i2c-aspeed.txt
> 
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt b/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt
> new file mode 100644
> index 0000000..df68f2a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt
> @@ -0,0 +1,63 @@
> +Device tree configuration for the I2C controller and busses on the AST24XX
> +and AST25XX SoCs.
> +
> +Controller:
> +
> +	Required Properties:
> +	- #address-cells	: should be 1
> +	- #size-cells 		: should be 1
> +	- #interrupt-cells 	: should be 1
> +	- compatible 		: should be "aspeed,ast2400-i2c-controller"
> +				  or "aspeed,ast2500-i2c-controller"
> +	- reg			: address start and range of controller
> +	- ranges		: defines address offset and range for busses
> +	- interrupts		: interrupt number
> +	- clocks		: root clock of bus, should reference the APB
> +				  clock
> +	- clock-ranges		: specifies that child busses can inherit clocks
> +	- interrupt-controller	: denotes that the controller receives and fires
> +				  new interrupts for child busses
> +
> +Bus:
> +
> +	Required Properties:
> +	- #address-cells	: should be 1
> +	- #size-cells		: should be 0
> +	- reg			: address offset and range of bus
> +	- compatible		: should be "aspeed,ast2400-i2c-bus"
> +				  or "aspeed,ast2500-i2c-bus"
> +	- bus			: the bus's number

Don't use indexes. The reg property is enough to id which bus is which.
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