From: Rob Herring <robh@kernel.org>
To: Piyush Mehta <piyush.mehta@xilinx.com>
Cc: linus.walleij@linaro.org, bgolaszewski@baylibre.com,
linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, git@xilinx.com,
sgoud@xilinx.com, michal.simek@xilinx.com
Subject: Re: [PATCH 1/2] dt-bindings: gpio: Add binding documentation for modepin
Date: Thu, 24 Jun 2021 14:50:55 -0600 [thread overview]
Message-ID: <20210624205055.GA1961487@robh.at.kernel.org> (raw)
In-Reply-To: <20210615080553.2021061-2-piyush.mehta@xilinx.com>
On Tue, Jun 15, 2021 at 01:35:52PM +0530, Piyush Mehta wrote:
> Add DT binding document for modepin GPIO controller.
Please give some indication in the subject this is for Xilinx.
>
> Signed-off-by: Piyush Mehta <piyush.mehta@xilinx.com>
> State: pending
> ---
> .../bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml | 41 ++++++++++++++++++++++
> 1 file changed, 41 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml
>
> diff --git a/Documentation/devicetree/bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml b/Documentation/devicetree/bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml
> new file mode 100644
> index 0000000..39d78f8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml
> @@ -0,0 +1,41 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/gpio/xlnx,zynqmp-gpio-modepin.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: ZynqMP Mode Pin GPIO controller
> +
> +description:
> + PS_MODE is 4-bits boot mode pins sampled on POR deassertion. Mode Pin
> + GPIO controller with configurable from numbers of pins (from 0 to 3 per
> + PS_MODE). Every pin can be configured as input/output.
And connected to other functions like GPIOs?
> +
> +maintainers:
> + - Piyush Mehta <piyush.mehta@xilinx.com>
> +
> +properties:
> + compatible:
> + const: xlnx,zynqmp-gpio-modepin
> +
> + gpio-controller: true
> +
> + "#gpio-cells":
> + const: 2
> +
> +required:
> + - compatible
> + - gpio-controller
> + - "#gpio-cells"
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + modepin_gpio: gpio {
Drop unused labels.
> + compatible = "xlnx,zynqmp-gpio-modepin";
> + gpio-controller;
> + #gpio-cells = <2>;
How does one access this h/w?
> + };
> +
> +...
> --
> 2.7.4
>
>
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next prev parent reply other threads:[~2021-06-24 20:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-15 8:05 [PATCH 0/2] gpio: modepin: Add driver support for modepin GPIO controller Piyush Mehta
2021-06-15 8:05 ` [PATCH 1/2] dt-bindings: gpio: Add binding documentation for modepin Piyush Mehta
2021-06-15 10:28 ` Michal Simek
2021-06-24 20:50 ` Rob Herring [this message]
2021-06-15 8:05 ` [PATCH 2/2] gpio: modepin: Add driver support for modepin GPIO controller Piyush Mehta
2021-06-18 9:43 ` Linus Walleij
2021-06-21 17:09 ` Piyush Mehta
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