On Mon, 01 Feb 2016, Chen Feng wrote:
> DT bindings for hisilicon hi655x MFD PMIC chip.
>
> Signed-off-by: Chen Feng <[email protected]>
> Signed-off-by: Fei Wang <[email protected]>
> Signed-off-by: Xinwei Kong <[email protected]>
> Reviewed-by: Haojian Zhuang <[email protected]>
> ---
> .../devicetree/bindings/mfd/hisilicon,hi655x.txt | 27
> ++++++++++++++++++++++
> 1 file changed, 27 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt
>
> diff --git a/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt
> b/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt
> new file mode 100644
> index 0000000..5edc310
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt
> @@ -0,0 +1,27 @@
> +Hisilicon hi655x Power Management Integrated Circuit (PMIC)
> +
> +The hardware layout for access PMIC Hi655x from AP SoC Hi6220.
> +Between PMIC Hi655x and Hi6220, the physical signal channel is SSI.
> +We can use memory-mapped I/O to communicate.
> +
> ++----------------+ +-------------+
> +| | | |
> +| Hi6220 | SSI bus | Hi655x |
> +| |-------------| |
> +| |(REGMAP_MMIO)| |
> ++----------------+ +-------------+
> +
> +Required properties:
> +- compatible: Should be "hisilicon,hi655x-pmic"
> +- reg: Base address of PMIC on hi6220 soc
s/hi6220 soc/Hi6220 SoC/
> +- interrupt-controller: Hi655x has internal IRQs (has own IRQ domain).
> +- pmic-gpios: The gpio used by PMIC irq.
s/gpio/GPIO/
s/irq/IRQ/
These are always easier to read in this format:
- compatible: Should be "hisilicon,hi655x-pmic"
- reg: Base address of PMIC on hi6220 soc
- interrupt-controller: Hi655x has internal IRQs (has own IRQ domain).
- pmic-gpios: The gpio used by PMIC irq.
> +Example:
> + pmic: pmic@f8000000 {
> + compatible = "hisilicon,hi655x-pmic";
> + reg = <0x0 0xf8000000 0x0 0x1000>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + pmic-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
> + }
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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