Re: [PATCH v2 02/10] mfd: ac100: Add device tree bindings for X-Powers AC100 codec/RTC combo IC

[Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>]

On Wed, 15 Jun 2016, Chen-Yu Tsai wrote:

> Signed-off-by: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
> ---
>  Documentation/devicetree/bindings/mfd/ac100.txt | 42 +++++++++++++++++++++++++
>  1 file changed, 42 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/ac100.txt
> 
> diff --git a/Documentation/devicetree/bindings/mfd/ac100.txt b/Documentation/devicetree/bindings/mfd/ac100.txt
> new file mode 100644
> index 000000000000..fbab623e6fba
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/ac100.txt
> @@ -0,0 +1,42 @@
> +X-Powers AC100 Codec/RTC IC device tree bindings
> +
> +AC100 is a audio codec and RTC subsystem combo IC. The 2 parts are
> +separated, including power supplies and interrupt lines, but share
> +a common register address space and host interface.
> +
> +Required properties:
> +- compatible: "x-powers,ac100"
> +- reg: The I2C slave address or RSB hardware address for the chip
> +- sub-nodes:
> +  - codec
> +    - compatible: "x-powers,ac100-codec"
> +    - interrupt-parent: The parent interrupt controller
> +    - interrupts: SoC NMI / GPIO interrupt connected to the IRQ_AUDIO pin
> +  - rtc
> +    - compatible: "x-powers,ac100-rtc"
> +    - interrupt-parent: The parent interrupt controller
> +    - interrupts: SoC NMI / GPIO interrupt connected to the IRQ_RTC pin
> +    - #clock-cells: shall be 1
> +    - clock-output-names: "cko1_rtc", "cko2_rtc", "cko3_rtc"
> +    - see clock/clock-bindings.txt for common clock bindings
> +
> +Example:
> +
> +ac100: codec@e89 {
> +	compatible = "x-powers,ac100";
> +	reg = <0xe89>;
> +
> +	ac100_codec {
> +		compatible = "x-powers,ac100-codec";
> +		interrupt-parent = <&nmi_intc>;
> +		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
> +	};
> +
> +	ac100_rtc {
> +		compatible = "x-powers,ac100-rtc";
> +		interrupt-parent = <&nmi_intc>;
> +		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;

Isn't this the same interrupt as above?  Is it shared?

> +		#clock-cells = <1>;
> +		clock-output-names = "cko1_rtc", "cko2_rtc", "cko3_rtc";
> +	};
> +};

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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