[PATCH v4 1/2] i2c: qup: add ACPI support

[Arnd Bergmann]

On Wednesday, June 8, 2016 12:19:44 PM CEST Austin Christ wrote:
> +               ret = device_property_read_u32(qup->dev,
> +                               "src-clock-hz", &src_clk_freq);
> +               if (ret) {
> +                       dev_warn(qup->dev, "using default src-clock-hz %d",
> +                               DEFAULT_SRC_CLK);
> +                       src_clk_freq = DEFAULT_SRC_CLK;
> +               }
> 

Where is this property documented?

	Arnd