On Wed, Apr 15, 2020 at 08:40:10AM +0800, Anson Huang wrote:
> Convert the i.MX watchdog binding to DT schema format using json-schema.
>
> Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
> ---
> No change.
> ---
> .../devicetree/bindings/watchdog/fsl-imx-wdt.txt | 24 ----------
> .../devicetree/bindings/watchdog/fsl-imx-wdt.yaml | 56 ++++++++++++++++++++++
> 2 files changed, 56 insertions(+), 24 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt
> create mode 100644 Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
>
> diff --git a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt
> deleted file mode 100644
> index adc6b76..0000000
> --- a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt
> +++ /dev/null
> @@ -1,24 +0,0 @@
> -* Freescale i.MX Watchdog Timer (WDT) Controller
> -
> -Required properties:
> -- compatible : Should be "fsl,<soc>-wdt"
> -- reg : Should contain WDT registers location and length
> -- interrupts : Should contain WDT interrupt
> -
> -Optional properties:
> -- big-endian: If present the watchdog device's registers are implemented
> - in big endian mode, otherwise in native mode(same with CPU), for more
> - detail please see: Documentation/devicetree/bindings/regmap/regmap.txt.
> -- fsl,ext-reset-output: If present the watchdog device is configured to
> - assert its external reset (WDOG_B) instead of issuing a software reset.
> -- timeout-sec : Contains the watchdog timeout in seconds
> -
> -Examples:
> -
> -wdt@73f98000 {
> - compatible = "fsl,imx51-wdt", "fsl,imx21-wdt";
> - reg = <0x73f98000 0x4000>;
> - interrupts = <58>;
> - big-endian;
> - timeout-sec = <20>;
> -};
> diff --git a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
> new file mode 100644
> index 0000000..674d902
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
> @@ -0,0 +1,56 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/watchdog/fsl-imx-wdt.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale i.MX Watchdog Timer (WDT) Controller
> +
> +maintainers:
> + - Anson Huang <Anson.Huang@xxxxxxx>
> +
> +allOf:
> + - $ref: "watchdog.yaml#"
> +
> +properties:
> + compatible:
> + enum:
> + - fsl,imx21-wdt
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + clocks:
> + description: |
> + Watchdog's clock source.
Drop this. No description needed if single entry.
> + maxItems: 1
> +
> + fsl,ext-reset-output:
> + $ref: /schemas/types.yaml#/definitions/flag
> + description: |
> + If present, the watchdog device is configured to assert its
> + external reset (WDOG_B) instead of issuing a software reset.
> +
> +required:
> + - compatible
> + - interrupts
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/clock/imx6qdl-clock.h>
> +
> + wdog1: watchdog@20bc000 {
Drop the unused label.
> + compatible = "fsl,imx21-wdt";
> + reg = <0x020bc000 0x4000>;
> + interrupts = <0 80 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clks IMX6QDL_CLK_IPG>;
> + };
> +
> +...
> --
> 2.7.4
>
