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Message-ID: <20200806140825.GB766974@bogus>
Date: Thu, 6 Aug 2020 08:08:25 -0600
From: Rob Herring <robh@...nel.org>
To: Anson Huang <Anson.Huang@....com>
Cc: linus.walleij@...aro.org, bgolaszewski@...libre.com,
stefan@...er.ch, linux-gpio@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Linux-imx@....com
Subject: Re: [PATCH] dt-bindings: gpio: Convert vf610 to json-schema
On Tue, Aug 04, 2020 at 11:01:48PM +0800, Anson Huang wrote:
> Convert the vf610 gpio binding to DT schema format using json-schema.
>
> Signed-off-by: Anson Huang <Anson.Huang@....com>
> ---
> .../devicetree/bindings/gpio/gpio-vf610.txt | 63 -----------------
> .../devicetree/bindings/gpio/gpio-vf610.yaml | 79 ++++++++++++++++++++++
> 2 files changed, 79 insertions(+), 63 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-vf610.txt
> create mode 100644 Documentation/devicetree/bindings/gpio/gpio-vf610.yaml
>
> diff --git a/Documentation/devicetree/bindings/gpio/gpio-vf610.txt b/Documentation/devicetree/bindings/gpio/gpio-vf610.txt
> deleted file mode 100644
> index ae254aa..0000000
> --- a/Documentation/devicetree/bindings/gpio/gpio-vf610.txt
> +++ /dev/null
> @@ -1,63 +0,0 @@
> -* Freescale VF610 PORT/GPIO module
> -
> -The Freescale PORT/GPIO modules are two adjacent modules providing GPIO
> -functionality. Each pair serves 32 GPIOs. The VF610 has 5 instances of
> -each, and each PORT module has its own interrupt.
> -
> -Required properties for GPIO node:
> -- compatible : Should be "fsl,<soc>-gpio", below is supported list:
> - "fsl,vf610-gpio"
> - "fsl,imx7ulp-gpio"
> -- reg : The first reg tuple represents the PORT module, the second tuple
> - the GPIO module.
> -- interrupts : Should be the port interrupt shared by all 32 pins.
> -- gpio-controller : Marks the device node as a gpio controller.
> -- #gpio-cells : Should be two. The first cell is the pin number and
> - the second cell is used to specify the gpio polarity:
> - 0 = active high
> - 1 = active low
> -- interrupt-controller: Marks the device node as an interrupt controller.
> -- #interrupt-cells : Should be 2. The first cell is the GPIO number.
> - The second cell bits[3:0] is used to specify trigger type and level flags:
> - 1 = low-to-high edge triggered.
> - 2 = high-to-low edge triggered.
> - 4 = active high level-sensitive.
> - 8 = active low level-sensitive.
> -
> -Optional properties:
> --clocks: Must contain an entry for each entry in clock-names.
> - See common clock-bindings.txt for details.
> --clock-names: A list of clock names. For imx7ulp, it must contain
> - "gpio", "port".
> -
> -Note: Each GPIO port should have an alias correctly numbered in "aliases"
> -node.
> -
> -Examples:
> -
> -aliases {
> - gpio0 = &gpio1;
> - gpio1 = &gpio2;
> -};
> -
> -gpio1: gpio@...49000 {
> - compatible = "fsl,vf610-gpio";
> - reg = <0x40049000 0x1000 0x400ff000 0x40>;
> - interrupts = <0 107 IRQ_TYPE_LEVEL_HIGH>;
> - gpio-controller;
> - #gpio-cells = <2>;
> - interrupt-controller;
> - #interrupt-cells = <2>;
> - gpio-ranges = <&iomuxc 0 0 32>;
> -};
> -
> -gpio2: gpio@...4a000 {
> - compatible = "fsl,vf610-gpio";
> - reg = <0x4004a000 0x1000 0x400ff040 0x40>;
> - interrupts = <0 108 IRQ_TYPE_LEVEL_HIGH>;
> - gpio-controller;
> - #gpio-cells = <2>;
> - interrupt-controller;
> - #interrupt-cells = <2>;
> - gpio-ranges = <&iomuxc 0 32 32>;
> -};
> diff --git a/Documentation/devicetree/bindings/gpio/gpio-vf610.yaml b/Documentation/devicetree/bindings/gpio/gpio-vf610.yaml
> new file mode 100644
> index 0000000..315ffde
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/gpio-vf610.yaml
> @@ -0,0 +1,79 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/gpio/gpio-vf610.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale VF610 PORT/GPIO module
> +
> +maintainers:
> + - Stefan Agner <stefan@...er.ch>
> +
> +description: |
> + The Freescale PORT/GPIO modules are two adjacent modules providing GPIO
> + functionality. Each pair serves 32 GPIOs. The VF610 has 5 instances of
> + each, and each PORT module has its own interrupt.
> +
> + Note: Each GPIO port should have an alias correctly numbered in "aliases"
> + node.
> +
> +properties:
> + compatible:
> + enum:
> + - fsl,vf610-gpio
> + - fsl,imx7ulp-gpio
> +
> + reg:
> + description: The first reg tuple represents the PORT module, the second tuple
> + represents the GPIO module.
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + interrupt-controller: true
> +
> + "#interrupt-cells":
> + const: 2
> +
> + "#gpio-cells":
> + const: 2
> +
> + gpio-controller: true
> +
> + clocks:
> + items:
> + - description: SoC GPIO clock
> + - description: SoC PORT clock
> +
> + clock-names:
> + items:
> + - const: gpio
> + - const: port
> +
> + gpio-ranges:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - interrupt-controller
> + - "#interrupt-cells"
> + - "#gpio-cells"
> + - gpio-controller
additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> + gpio1: gpio@...49000 {
> + compatible = "fsl,vf610-gpio";
> + reg = <0x40049000 0x1000 0x400ff000 0x40>;
> + interrupts = <0 107 IRQ_TYPE_LEVEL_HIGH>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + gpio-ranges = <&iomuxc 0 0 32>;
> + };
> --
> 2.7.4
>
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