[U-Boot] [PATCH 2/2] atmel: bring in at91 pio4 device tree file and bindings
Andreas Bießmann
andreas at biessmann.org
Tue May 3 12:15:20 CEST 2016
Dear Wenyou,
On 2016-04-07 04:16, Wenyou Yang wrote:
> Bring in required device tree files from Linux.
>
> Signed-off-by: Wenyou Yang <wenyou.yang at atmel.com>
There is a small typo below ...
> ---
>
> arch/arm/dts/sama5d2-pinfunc.h | 880
> +++++++++++++++++++++
> .../pinctrl/atmel,at91-pio4-pinctrl.txt | 65 ++
> 2 files changed, 945 insertions(+)
> create mode 100644 arch/arm/dts/sama5d2-pinfunc.h
> create mode 100644
> doc/device-tree-bindings/pinctrl/atmel,at91-pio4-pinctrl.txt
<snip>
> diff --git
> a/doc/device-tree-bindings/pinctrl/atmel,at91-pio4-pinctrl.txt
> b/doc/device-tree-bindings/pinctrl/atmel,at91-pio4-pinctrl.txt
> new file mode 100644
> index 0000000..b048eac
> --- /dev/null
> +++ b/doc/device-tree-bindings/pinctrl/atmel,at91-pio4-pinctrl.txt
> @@ -0,0 +1,65 @@
> +* Atmel PIO4 Controller
> +
> +The Atmel PIO4 controller is used to select the function of a pin and
> to
> +configure it.
> +
> +Required properties:
> +- compatible: "atmel,sama5d2-pinctrl".
> +- reg: base address and length of the PIO controller.
> +- interrupts: interrupt outputs from the controller, one for each
> bank.
> +- interrupt-controller: mark the device node as an interrupt
> controller.
> +- #interrupt-cells: should be two.
> +- gpio-controller: mark the device node as a gpio controller.
> +- #gpio-cells: should be two.
> +
> +Please refer to ../gpio/gpio.txt and
> ../interrupt-controller/interrupts.txt for
> +a general description of GPIO and interrupt bindings.
> +
> +Please refer to pinctrl-bindings.txt in this directory for details of
> the
> +common pinctrl bindings used by client devices.
> +
> +Subnode format
> +Each node (or subnode) will list the pins it needs and how to
> configured these
... how to configure ...
Would you upstream this via linux kernel?
Reviewed-by: Andreas Bießmann <andreas at biessmann.org>
I'll pick this these days in a next branch for 2016.07, hopefully with a
lot more dt bindings.
Best Regards
Andreas
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