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Date: Fri, 31 May 2024 08:16:44 +0200
From: Alexander Stein <alexander.stein@...tq-group.com>
To: robh@...nel.org, Frank Li <Frank.Li@....com>
Cc: Frank.Li@....com, brgl@...ev.pl, conor+dt@...nel.org, devicetree@...r.kernel.org, imx@...ts.linux.dev, krzk+dt@...nel.org, linus.walleij@...aro.org, linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/1] dt-bindings: gpio: mpc8xxx: Convert to yaml format
Hi Frank,
thanks for your patch.
Am Donnerstag, 30. Mai 2024, 18:54:24 CEST schrieb Frank Li:
> Convert binding doc from txt to yaml.
>
> Remove redundated "gpio1: gpio@...0000" example.
> Add gpio-controller at example "gpio@...0".
>
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
>
> Notes:
> Change from v1 to v2
> - Add gpio-controller at example "gpio@...0". to fix bot error.
> Strangely, I can't reproduce locally.
>
> Pass dt_binding_check
> make dt_binding_check DT_SCHEMA_FILES=fsl,qoriq-gpio.yaml
> SCHEMA Documentation/devicetree/bindings/processed-schema.json
> CHKDT Documentation/devicetree/bindings
> LINT Documentation/devicetree/bindings
> DTC_CHK Documentation/devicetree/bindings/gpio/fsl,qoriq-gpio.example.dtb
>
> .../bindings/gpio/fsl,qoriq-gpio.yaml | 82 +++++++++++++++++++
> .../devicetree/bindings/gpio/gpio-mpc8xxx.txt | 53 ------------
> 2 files changed, 82 insertions(+), 53 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/gpio/fsl,qoriq-gpio.yaml
> delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
>
> diff --git a/Documentation/devicetree/bindings/gpio/fsl,qoriq-gpio.yaml b/Documentation/devicetree/bindings/gpio/fsl,qoriq-gpio.yaml
> new file mode 100644
> index 0000000000000..adc955679d066
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/fsl,qoriq-gpio.yaml
> @@ -0,0 +1,82 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/gpio/fsl,qoriq-gpio.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale MPC512x/MPC8xxx/QorIQ/Layerscape GPIO controller
> +
> +maintainers:
> + - Frank Li <Frank.Li@....com>
> +
> +properties:
> + compatible:
> + oneOf:
> + - enum:
> + - fsl,mpc5121-gpio
> + - fsl,mpc5125-gpio
> + - fsl,mpc8349-gpio
> + - fsl,mpc8572-gpio
> + - fsl,mpc8610-gpio
> + - fsl,pq3-gpio
> + - items:
> + - enum:
> + - fsl,ls1021a-gpio
> + - fsl,ls1028a-gpio
> + - fsl,ls1043a-gpio
> + - fsl,ls1088a-gpio
> + - fsl,ls2080a-gpio
> + - const: fsl,qoriq-gpio
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + "#gpio-cells":
> + const: 2
> +
> + gpio-controller: true
> +
> + interrupt-controller: true
> +
> + "#interrupt-cells":
> + const: 2
> +
> + little-endian:
> + $ref: /schemas/types.yaml#/definitions/flag
> + description:
> + GPIO registers are used as little endian. If not
> + present registers are used as big endian by default.
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - "#gpio-cells"
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + gpio@...0 {
> + compatible = "fsl,mpc5125-gpio";
> + reg = <0x1100 0x080>;
> + interrupts = <78 0x8>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + };
> +
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + gpio@...0000 {
> + compatible = "fsl,ls2080a-gpio", "fsl,qoriq-gpio";
> + reg = <0x2300000 0x10000>;
> + interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
> + gpio-controller;
> + little-endian;
> + #gpio-cells = <2>;
Please keep 'gpio-controller' and '#gpio-cells' together. I would move
little-endian either below reg directly or below interrupts.
Thanks
Alexander
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> diff --git a/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt b/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
> deleted file mode 100644
> index cd28e932bf50e..0000000000000
> --- a/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
> +++ /dev/null
> @@ -1,53 +0,0 @@
> -* Freescale MPC512x/MPC8xxx/QorIQ/Layerscape GPIO controller
> -
> -Required properties:
> -- compatible : Should be "fsl,<soc>-gpio"
> - The following <soc>s are known to be supported:
> - mpc5121, mpc5125, mpc8349, mpc8572, mpc8610, pq3, qoriq,
> - ls1021a, ls1043a, ls2080a, ls1028a, ls1088a.
> -- reg : Address and length of the register set for the device
> -- interrupts : Should be the port interrupt shared by all 32 pins.
> -- #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
> -
> -Optional properties:
> -- little-endian : GPIO registers are used as little endian. If not
> - present registers are used as big endian by default.
> -
> -Example of gpio-controller node for a mpc5125 SoC:
> -
> -gpio0: gpio@...0 {
> - compatible = "fsl,mpc5125-gpio";
> - #gpio-cells = <2>;
> - reg = <0x1100 0x080>;
> - interrupts = <78 0x8>;
> -};
> -
> -Example of gpio-controller node for a ls2080a SoC:
> -
> -gpio0: gpio@...0000 {
> - compatible = "fsl,ls2080a-gpio", "fsl,qoriq-gpio";
> - reg = <0x0 0x2300000 0x0 0x10000>;
> - interrupts = <0 36 0x4>; /* Level high type */
> - gpio-controller;
> - little-endian;
> - #gpio-cells = <2>;
> - interrupt-controller;
> - #interrupt-cells = <2>;
> -};
> -
> -
> -Example of gpio-controller node for a ls1028a/ls1088a SoC:
> -
> -gpio1: gpio@...0000 {
> - compatible = "fsl,ls1028a-gpio", "fsl,ls1088a-gpio", "fsl,qoriq-gpio";
> - reg = <0x0 0x2300000 0x0 0x10000>;
> - interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
> - gpio-controller;
> - #gpio-cells = <2>;
> - interrupt-controller;
> - #interrupt-cells = <2>;
> - little-endian;
> -};
>
--
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