On Tue, Mar 28, 2017 at 07:54:43PM +1100, Benjamin Herrenschmidt wrote:
> On Mon, 2017-03-27 at 22:12 -0700, Brendan Higgins wrote:
> > Added device tree binding documentation for Aspeed I2C busses.
> >
> > Signed-off-by: Brendan Higgins <brendanhiggins@xxxxxxxxxx>
>
> > + i2c0: i2c-bus@40 {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + #interrupt-cells = <1>;
> > + reg = <0x40 0x40>;
> > + compatible = "aspeed,ast2400-i2c-bus";
> > + bus = <0>;
> > + clocks = <&clk_apb>;
> > + clock-frequency = <100000>;
>
> For busses it's more traditional to make this "bus-frequency" but
> that's a nit and Linux/fdt has not respected that tradition terribly
> well. If you respin, it might be work changing.
Makes sense, but that's news to me. I'm still new to this DT stuff.
> The clock-frequency tends to be the frequency of the controller itself.
The clock binding has largely replaced that.
Rob
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