lkml.org 
[lkml]   [2016]   [Oct]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 08/10] gpio: ptxpmb-cpld: Document bindings of PTXPMB's CPLD GPIO
On Fri, Oct 07, 2016 at 06:17:29PM +0300, Pantelis Antoniou wrote:
> From: Georgi Vlaev <gvlaev@juniper.net>
>
> Add device tree bindings document for the GPIO driver of
> Juniper's PTXPMB/NGPMB CPLD.
>
> Signed-off-by: Georgi Vlaev <gvlaev@juniper.net>
> [Ported from Juniper kernel]
> Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
> ---
> .../bindings/gpio/jnx,gpio-ptxpmb-cpld.txt | 30 ++++++++++++++++++++++
> 1 file changed, 30 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/gpio/jnx,gpio-ptxpmb-cpld.txt
>
> diff --git a/Documentation/devicetree/bindings/gpio/jnx,gpio-ptxpmb-cpld.txt b/Documentation/devicetree/bindings/gpio/jnx,gpio-ptxpmb-cpld.txt
> new file mode 100644
> index 0000000..1122021
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/jnx,gpio-ptxpmb-cpld.txt
> @@ -0,0 +1,30 @@
> +Juniper PTXPMB CPLD GPIO block
> +
> +Required properties:
> +
> +- compatible:
> + Must be "jnx,gpio-ptxpmb-cpld"
> +
> +- #gpio-cells:
> + Should be <2>. The first cell is the pin number (within the controller's
> + pin space), and the second is used for the following flags:
> + bit[0]: direction (0 = out, 1 = in)
> + bit[1]: init high
> + bit[2]: active low

Use and/or add standard flags.

> +
> +- gpio-controller:
> + Specifies that the node is a GPIO controller.
> +
> +Optional properties:
> +
> +- reg:
> + Address and length of the register set for the device. Usually supplied by
> + the parent MFD driver

Make this mandatory.

> +
> +Example:
> +
> +gpio_cpld: cpld_gpio {
> + compatible = "jnx,gpio-ptxpmb-cpld";
> + #gpio-cells = <2>;
> + gpio-controller;
> +};
> --
> 1.9.1
>

\
 
 \ /
  Last update: 2016-10-10 20:10    [W:3.499 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site