Re: [PATCH v5 2/2] DT: i2c: Add binding document for IMG I2C SCB

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Hi Ezequiel, James,

On Mon, Nov 10, 2014 at 11:30 AM, Ezequiel Garcia
<ezequiel.garcia@xxxxxxxxxx> wrote:
> From: James Hogan <james.hogan@xxxxxxxxxx>
>
> Introduce a devicetree binding for Imagination Technologies
> I2C SCB controller.
>
> Signed-off-by: James Hogan <james.hogan@xxxxxxxxxx>
> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@xxxxxxxxxx>

> diff --git a/Documentation/devicetree/bindings/i2c/i2c-img-scb.txt b/Documentation/devicetree/bindings/i2c/i2c-img-scb.txt
> new file mode 100644
> index 0000000..3a5cd1f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/i2c/i2c-img-scb.txt
> @@ -0,0 +1,29 @@
> +IMG Serial Control Bus (SCB) I2C Controller
> +
> +Required Properties:
> +- compatible: "img,scb-i2c"
> +- reg: Physical base address and length of controller registers
> +- interrupts: Interrupt number used by the controller
> +- clocks : Should contain a clock specifier for each entry in clock-names
> +- clock-names : Should contain the following entries:
> +                "scb", for the SCB core clock.
> +                "sys", for the system clock.
> +- clock-frequency: The I2C bus frequency in Hz
> +- #address-cells: Should be <1>
> +- #size-cells: Should be <0>
> +
> +Optional Properties
> +- img,bus-delay : Bus delay in ms, defaults to 0.

Maybe this is a dumb question, but what delay does this correspond to
in hardware?  In what situations would we use a non-zero value?

Other than that,

Reviewed-by: Andrew Bresticker <abrestic@xxxxxxxxxxxx>
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