Re: [PATCH v6 3/5] i2c: aspeed: added documentation for Aspeed I2C driver

From: Benjamin Herrenschmidt
Date: Tue Mar 28 2017 - 04:55:47 EST


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.

The clock-frequency tends to be the frequency of the controller itself.

> + status = "disabled";
> + interrupts = <0>;
> + interrupt-parent = <&i2c_ic>;
> + };
> +};