Re: [PATCH v3 2/9] Documentation: dt-bindings: Document STM32 pinctrl driver DT bindings

From	Rob Herring <robh@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH v3 2/9] Documentation: dt-bindings: Document STM32 pinctrl driver DT bindings
Date	2015-12-09 04:50 +0100
Message-ID	<qDDVn-2XK-1@gated-at.bofh.it> (permalink)
References	<qDpSq-2rq-3@gated-at.bofh.it> <qDpSr-2rq-45@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On Tue, Dec 08, 2015 at 01:45:04PM +0100, Maxime Coquelin wrote:
> Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
> ---
>  .../bindings/pinctrl/st,stm32-pinctrl.txt          | 126 +++++++++++++++++++++
>  1 file changed, 126 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt
> new file mode 100644
> index 0000000..7b4800c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt
> @@ -0,0 +1,126 @@
> +* STM32 GPIO and Pin Mux/Config controller
> +
> +STMicroelectronics's STM32 MCUs intregrate a GPIO and Pin mux/config hardware
> +controller. It controls the input/output settings on the available pins and
> +also provides ability to multiplex and configure the output of various on-chip
> +controllers onto these pads.
> +
> +Pin controller node:
> +Required properies:
> + - compatible: value should be one of the following:
> +   (a) "st,stm32f429-pinctrl"
> + - #address-cells: The value of this property must be 1
> + - #size-cells	: The value of this property must be 1
> + - ranges	: defines mapping between pin controller node (parent) to
> +   gpio-bank node (children).
> + - pins-are-numbered: Specify the subnodes are using numbered pinmux to
> +   specify pins.
> +
> +GPIO controller/bank node:
> +Required properties:
> + - gpio-controller : Indicates this device is a GPIO controller
> + - #gpio-cells	  : Should be two.
> +			The first cell is the pin number
> +			The second one is the polarity:
> +				- 0 for active high
> +				- 1 for active low
> + - reg		  : The gpio address range, relative to the pinctrl range
> + - clocks	  : clock that drives this bank
> + - st,bank-name	  : Should be a name string for this bank as specified in
> +   the datasheet

How do you intend to use this? We should come up with something generic 
or drop it.

Rob

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Thread

[PATCH v3 2/9] Documentation: dt-bindings: Document STM32 pinctrl driver DT bindings Maxime Coquelin <mcoquelin.stm32@gmail.com> - 2015-12-08 13:50 +0100
  Re: [PATCH v3 2/9] Documentation: dt-bindings: Document STM32  pinctrl driver DT bindings Rob Herring <robh@kernel.org> - 2015-12-09 04:50 +0100
    Re: [PATCH v3 2/9] Documentation: dt-bindings: Document STM32 pinctrl  driver DT bindings Maxime Coquelin <mcoquelin.stm32@gmail.com> - 2015-12-09 10:40 +0100
      Re: [PATCH v3 2/9] Documentation: dt-bindings: Document STM32 pinctrl  driver DT bindings Rob Herring <robh@kernel.org> - 2015-12-11 17:50 +0100

csiph-web