Re: [PATCH 02/10] mfd: ptxpmb-cpld: Add documentation for PTXPMB CPLD

From: Rob Herring
Date: Mon Oct 10 2016 - 13:55:34 EST


On Fri, Oct 07, 2016 at 06:17:23PM +0300, Pantelis Antoniou wrote:
> From: Georgi Vlaev <gvlaev@xxxxxxxxxxx>
>
> Add DT bindings document for the PTXPMB CPLD MFD device.
>
> Signed-off-by: Georgi Vlaev <gvlaev@xxxxxxxxxxx>
> [Ported from Juniper kernel]
> Signed-off-by: Pantelis Antoniou <pantelis.antoniou@xxxxxxxxxxxx>
> ---
> .../devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt | 76 ++++++++++++++++++++++
> 1 file changed, 76 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt
>
> diff --git a/Documentation/devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt b/Documentation/devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt
> new file mode 100644
> index 0000000..cc3cbb9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt
> @@ -0,0 +1,76 @@
> +* Device tree bindings for Juniper's PTXPMB CPLD FPGA MFD driver
> +
> +The device supports a number I2C muxes, hardware watchdog and a gpio block.
> +Those devices bindings are described in the jnx-i2c-mux-ptxpmb-cpld,
> +jnx-ptxpmb-wdt and jnx-gpio-ptxpmb-cpld documents.
> +
> +Required properties:
> +
> +- compatible: "jnx,ptxpmb-cpld", "jnx,ngpmb-bcpld". They differ

bcpld? looks like a typo?

> + in the i2c-mux blocks.
> +
> +- reg: contains offset/length value for device state control
> + registers space.
> +
> +Optional properties:
> +
> +- interrupts: The interrupt line(s) the /IRQ signal(s) for the device is
> + connected to.
> +
> +- interrupt-parent: The parent interrupt controller.
> +
> +Example:
> +
> +cpld@0,0 {

What bus is this on? If just simple-bus, then just '...@0'

> + compatible = "jnx,ptxpmb-cpld";
> + reg = <0x0 0 0x10000>;