Re: [PATCH V2] dt-bindings: reset: convert the xlnx,zynqmp-reset.txt to yaml

From: Krzysztof Kozlowski
Date: Fri Jun 09 2023 - 11:38:52 EST


On 09/06/2023 13:04, Piyush Mehta wrote:
> Convert the binding to DT schema format. It also updates the
> reset-controller description.
>
> Signed-off-by: Piyush Mehta <piyush.mehta@xxxxxxx>
> ---
> - Addressed the Krzysztof review comment:
> - Update DT binding to fix the dt_binding_check warning.
>

...

> diff --git a/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.yaml b/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.yaml
> new file mode 100644
> index 000000000000..a39b17599e05
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.yaml
> @@ -0,0 +1,64 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/reset/xlnx,zynqmp-reset.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Zynq UltraScale+ MPSoC and Versal reset binding

Drop "binding"

> +
> +maintainers:
> + - Piyush Mehta <piyush.mehta@xxxxxxx>
> +
> +description: |
> + The Zynq UltraScale+ MPSoC and Versal has several different resets.
> +
> + The PS reset subsystem is responsible for handling the external reset
> + input to the device and that all internal reset requirements are met
> + for the system (as a whole) and for the functional units.
> +
> + Please also refer to reset.txt in this directory for common reset
> + controller binding usage. Device nodes that need access to reset
> + lines should specify them as a reset phandle in their corresponding
> + node as specified in reset.txt.
> +
> + For list of all valid reset indices for Zynq UltraScale+ MPSoC
> + <dt-bindings/reset/xlnx-zynqmp-resets.h>
> +
> + For list of all valid reset indices for Versal
> + <dt-bindings/reset/xlnx-versal-resets.h>
> +
> +properties:
> + compatible:
> + enum:
> + - xlnx,zynqmp-reset
> + - xlnx,versal-reset
> +
> + "#reset-cells":
> + const: 1
> +
> +required:
> + - compatible
> + - "#reset-cells"
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/reset/xlnx-zynqmp-resets.h>

Drop, won't be needed after removing unrelated parts.

> +
> + firmware {

Drop

> + zynqmp_firmware: zynqmp-firmware {

Drop, three level of indentations for that simple reset-controller...

> + zynqmp_reset: reset-controller {
> + compatible = "xlnx,zynqmp-reset";
> + #reset-cells = <1>;
> + };
> + };
> + };
> +
> + /* Specifying sata reset control of devices */
> + sata {
> + resets = <&zynqmp_reset ZYNQMP_RESET_SATA>;
> + reset-names = "sata_rst";
> + };

Drop this - not related.
> +
> +...

Best regards,
Krzysztof