On Sat, Dec 24, 2016 at 09:54:57AM +0800, Allen Liu wrote:
> Add ADC driver for the ADC controller found on HiSilicon BVT SOCs, like
> Hi3516CV300, etc.
> The ADC controller is primarily in charge of detecting voltage.
>
> Reviewed-by: Jiancheng Xue <xuejianch...@hisilicon.com>
> Signed-off-by: Allen Liu <liurenzh...@hisilicon.com>
> ---
> .../devicetree/bindings/iio/adc/hibvt-lsadc.txt | 26 ++
> drivers/iio/adc/Kconfig | 10 +
> drivers/iio/adc/Makefile | 1 +
> drivers/iio/adc/hibvt_lsadc.c | 344
> +++++++++++++++++++++
> 4 files changed, 381 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/adc/hibvt-lsadc.txt
> create mode 100644 drivers/iio/adc/hibvt_lsadc.c
>
> diff --git a/Documentation/devicetree/bindings/iio/adc/hibvt-lsadc.txt
> b/Documentation/devicetree/bindings/iio/adc/hibvt-lsadc.txt
> new file mode 100644
> index 0000000..63de46e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/hibvt-lsadc.txt
> @@ -0,0 +1,26 @@
> +Hisilicon BVT Low Speed (LS) A/D Converter bindings
> +
> +Required properties:
> +- compatible: should be "hisilicon,<name>-lsadc"
> + - "hisilicon,hibvt-lsadc": for hi3516cv300
Use the SoC name in the compatible string.
> +
> +- reg: physical base address of the controller and length of memory mapped
> + region.
> +- interrupts: The interrupt number to the cpu. The interrupt specifier format
> + depends on the interrupt controller.
> +- #io-channel-cells: Should be 1, see ../iio-bindings.txt
> +
> +Optional properties:
> +- resets: Must contain an entry for each entry in reset-names if need support
> + this option. See ../reset/reset.txt for details.
> +- reset-names: Must include the name "saradc-apb".
> +
> +Example:
> + lsadc: hibvt-lsadc@120e0000 {
Just "adc@..."
> + compatible = "hisilicon,hibvt-lsadc";
> + reg = <0x120e0000 0x1000>;
> + interrupts = <19>;
> + resets = <&crg 0x7c 3>;
> + reset-names = "lsadc-crg";
> + status = "disabled";
> + };
