On Wed, Mar 29, 2017 at 8:22 AM, Rick Altherr <raltherr@xxxxxxxxxx> wrote:
> Signed-off-by: Rick Altherr <raltherr@xxxxxxxxxx>
> ---
Acked-by: Joel Stanley <joel@xxxxxxxxx>
>
> Changes in v5: None
> Changes in v4: None
> Changes in v3:
> - Consistently write hex contstants with lowercase letters
> - Drop model numbers from description as same IP is used in every generation
>
> Changes in v2:
> - Rewritten as an IIO ADC device
>
> .../devicetree/bindings/iio/adc/aspeed_adc.txt | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/adc/aspeed_adc.txt
>
> diff --git a/Documentation/devicetree/bindings/iio/adc/aspeed_adc.txt b/Documentation/devicetree/bindings/iio/adc/aspeed_adc.txt
> new file mode 100644
> index 000000000000..674e133b7cd7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/aspeed_adc.txt
> @@ -0,0 +1,20 @@
> +Aspeed ADC
> +
> +This device is a 10-bit converter for 16 voltage channels. All inputs are
> +single ended.
> +
> +Required properties:
> +- compatible: Should be "aspeed,ast2400-adc" or "aspeed,ast2500-adc"
> +- reg: memory window mapping address and length
> +- clocks: Input clock used to derive the sample clock. Expected to be the
> + SoC's APB clock.
> +- #io-channel-cells: Must be set to <1> to indicate channels are selected
> + by index.
> +
> +Example:
> + adc@1e6e9000 {
> + compatible = "aspeed,ast2400-adc";
> + reg = <0x1e6e9000 0xb0>;
> + clocks = <&clk_apb>;
> + #io-channel-cells = <1>;
> + };
> --
> 2.12.2.564.g063fe858b8-goog
>
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