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

Chen-Yu Tsai
2016-06-15T13:17:49Z

On Wed, Jun 15, 2016 at 8:49 PM, Lee Jones <lee.jones@linaro.org> wrote:
> On Wed, 15 Jun 2016, Chen-Yu Tsai wrote:
>
>> Signed-off-by: Chen-Yu Tsai <wens@csie.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 at 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?

Copy paste error... The codec uses a different line in the design.

ChenYu

>
>> + #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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