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 <redacted>

+	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>;
+	};
+};

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