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Message-ID: <20180119230521.st5uon74fpi4jghc@rob-hp-laptop>
Date: Fri, 19 Jan 2018 17:05:21 -0600
From: Rob Herring <robh@...nel.org>
To: Jonathan Neuschäfer <j.neuschaefer@....net>
Cc: linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
Linus Walleij <linus.walleij@...aro.org>,
Mark Rutland <mark.rutland@....com>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>
Subject: Re: [PATCH 4/6] dt-bindings: gpio: Add binding for Wii GPIO
controller
On Mon, Jan 15, 2018 at 04:13:59AM +0100, Jonathan Neuschäfer wrote:
> Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@....net>
> ---
> .../bindings/gpio/nintendo,hollywood-gpio.txt | 27 ++++++++++++++++++++++
> .../devicetree/bindings/powerpc/nintendo/wii.txt | 9 +-------
> 2 files changed, 28 insertions(+), 8 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt
>
> diff --git a/Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt b/Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt
> new file mode 100644
> index 000000000000..a97ce6b5b724
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt
> @@ -0,0 +1,27 @@
> +Nintendo Wii (Hollywood) GPIO controller
> +
> +Required properties:
> +- compatible: "nintendo,hollywood-gpio
> +- reg: Physical base address and length of the controller's registers.
> +- gpio-controller: Marks the device node as a GPIO controller.
> +- #gpio-cells: Should be <2>. The first cell is the pin number and the
> + second cell is used to specify optional parameters:
> + - bit 0 specifies polarity (0 for normal, 1 for inverted).
> +
> +Optional properties:
> +- ngpios: see Documentation/devicetree/bindings/gpio/gpio.txt
> +- interrupt-controller: Marks the device node as an interrupt controller.
> +- #interrupt-cells: Should be two.
> +- interrupts: Interrupt specifier for the controller's Broadway (PowerPC)
> + interrupt.
> +- interrupt-parent: phandle of the parent interrupt controller.
> +
> +Example:
> +
> + GPIO: gpio@...000c0 {
Drop the leading 0.
With that,
Reviewed-by: Rob Herring <robh@...nel.org>
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